Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | New spring-loaded gland for shock dampers and the required modifications. | ||
| View original record | To. Mr. from HDY. c.c. Eg.Wer. Hs. LES X235 HDY17/N.9.1.33. Shock Dampers. N.Sch.3634 herewith shows a spring loaded gland for the new type damper in case this is found to be necessary. We gain the… | ||
| scan0002 | Modification of a sheet metal bracket for a 25HP front axle control. | ||
| View original record | X235 BY. FROM DA. DA2/M14.1.33. C. to SG. WOR. HS. E. 25HP. FRONT AXLE CONTROL. X.235. X.4027. In view of the necessity for using a 3 bolter shock damper as a result of the 10,000 miles test, we have… | ||
| scan0003 | Recommendation on the manufacturing sequence for pressing bushes into shock absorber casings to prevent bore distortion. | ||
| View original record | X235 BY. from Hs/Rn. Hs/Rn.11/KT.19.1.33. Will you please note, we find that if the bushes are pressed in to the shock absorber casings after the bores are ground, they distort these bores badly. The… | ||
| scan0004 | Using spring-loaded glands for new type shock absorbers to avoid production delays. | ||
| View original record | 8235. By. from Hs/Rm. c. Wor. Hdy. Hs/Rm.5/KT.21.1.33. GLANDS FOR THE NEW TYPE SHOCK ABSORBERS. During our recent visit to W.W., R. agreed that owing to the necessity of getting the new type shock… | ||
| scan0005 | Modifications to J 3 type dampers for the lever in the rocking shaft. | ||
| View original record | BY. HS/RM. ) FROM HDY. C. to SG. WDR. E. DA. X. 235 X. 5520 HDY1/M23.1.33. J 3. TYPE DAMPERS - MODIFICATIONS TO LEVER IN ROCKING SHAFT. R. has instructed two schemes for trial as shewn by N. sch.… | ||
| scan0006 | Confirming changes to shock damper fittings and clarifying gland usage on various models. | ||
| View original record | X235. Hdy. from Hs/Rm. Hs/Rm.11/KT. 23.1.33. SHOCK DAMPERS. This is to confirm that you will look into the question of substituting dole fittings for the banjos on the governor control. With reference… | ||
| scan0007 | Proposing a modification to the spring-loaded gland on J.3 type dampers. | ||
| View original record | BY. HS/Rm. } FROM HDY. C. to SG. WOR. E. DA. HDY4/M25.1.33. X. 235 X. 5520 J. 3. TYPE DAMPERS. SPRING LOADED GLAND. Although the typeof spring loaded gland shewn on N. sch. 3634 is that used on the… | ||
| scan0008 | Technical memo discussing design improvements for shock dampers, specifically concerning glands and levers. | ||
| View original record | HDY. } HS. } FROM R. BY. } C. to SG. WOR. SHOCK DAMPERS. Anything we arrange will require care in getting together tightly, and the least treacherous way is to make the parts solid… | ||
| scan0009 | Outlining an overloading test for four different shaft fixing models to determine their safety margins. | ||
| View original record | (2) Knowing the maximum load that ought to fall upon this fixing we ought to make the test I suggested recently of overloading, to see the margin of safety, and also the relative merits of say 4… | ||
| scan0010 | New scheme for a square shaft fixing for an inner lever on shock dampers. | ||
| View original record | HS/RM. ) FROM HDY. BY. ) X2355 HDY1/M30.1.33. C to SG. WOR. E. BA. SHOCK DAMPERS. We send herewith N. sch. 3660. which shews a square shaft fixing for the inner lever. The broached hole provides… | ||
| scan0011 | Results of lever testing, including a cracked case and bearing seizure issues. | ||
| View original record | Y23 a. from Hs/Rn. c.c. Wor. BG. c.c. Hy. Hdy. Hs/Rn.13/KT.30.1.33. With reference to N1/M27.1.33. We shall have a rig running with an eccentric, to test the levers, almost immediately. In the… | ||
| scan0012 | Urgent need to improve riding and steering on the 45HP model with more effective, automatically controlled dampers. | ||
| View original record | HS. } FROM R. HDY. } BY. } X235 R2/M30.1.33. X. 235 X. 7520. C. to SG. WOR. PN. re. 45HP. We ought to realise that we cannot do much to t hs until we rebuild, but in the meantime the riding and… | ||
| scan0013 | Solution for damper shaft distortion when the bolt is tightened. | ||
| View original record | HS/RM. FROM HDY. BY. C. to SG. WOR. E. DA. SHOCK DAMPERS. With reference to your telephone message about distortion of the damper shaft when the bolt is tightened we think that the best way to get… | ||
| scan0014 | Technical memorandum detailing design modifications to shock dampers concerning the lever boss and positioning. | ||
| View original record | HS/RM. FROM HDY. BY. X 235 HDY1/M31.1.33. C. to SG. WOR. E. DA. SHOCK DAMPERS. R. has instructed that the inner lever boss should be wider, and we accordingly sendherewith N. sch. 3662 which shews a… | ||
| scan0015 | Design of a square fixing for shock damper levers. | ||
| View original record | HDY. } FROM R. HS/RM. } R2/M.2.33. C. to SG. WOR. BY. Re. SHOCK DAMPERS. We have decided that the most hopeful fixing for both the inside and outside levers is the square, because if carefully… | ||
| scan0016 | Design for a hand-operated valve for varying the damping on the Phantom model. | ||
| View original record | BY. FROM HDY. C. to SG. WOR. HS. E. DA. HDY1/M4.3.33. X.235. X.7520. PHANTOM - HAND CONTROL FOR DAMPERS. We send herewith N.sch.3640, which shews our design for the hand operated valve for varying the… | ||
| scan0017 | Request to follow up on a scheme to get a set of shock absorbers made and tested as soon as possible. | ||
| View original record | BY/SS. RHC. from Hs/Rm. X 235 Hs/Rm.3/KT.4.2.33. Will you please follow up N.schs.3660/1/2. in order that we may get a set of shock absorbers made and tested as soon as possible. Hs/Rm. | ||
| scan0018 | Modifications to shock dampers, including the lever shape and spring gland arrangement. | ||
| View original record | BY. FROM HDY. X235 HDY2/M7.2.33. C. to SG. WOR. HS. E. DA. SHOCK DAMPERS. The recent increase of width of inner lever (N.sch.3662) reduced the length of the outer bearing, and R. has now instructed a… | ||
| scan0019 | Requirements for automatic shock damper control and relief valves. | ||
| View original record | X 235 HS. FROM HDY. HDY1/M8.2.33. C. to SG.WOR. E. DA. BY. SHOCK DAMPERS. X.235 X.7520. With reference to the report on 19-EX., (see HS4/MJ2233.) with automatic shock damper control, R. has made the… | ||
| scan0020 | Testing of shock absorbers using indicator diagrams, comparing methods with the Delco factory. | ||
| View original record | File X.235 EJJ. Sft. Wer. from Hs/Rm. Hs/Rm. 8/KT.10.2.33. X832 In the Delco Shock Absorber factory they test every one of their shock absorbers, and take an indicator diagram. This is actually much… | ||
| scan0021 | Necessity of fitting a pressure gauge for the automatic damper control on various car models. | ||
| View original record | X235 To Sg. Wor. C. Hs. Dv. E.1/HP.13.2.33. Gauge for Indicating Damper Control. ---------------------------------- We addressed an enquiry to WW. to find out if in R's view it was necessary to… | ||
| scan0022 | Request to make 12 experimental shock damper valve springs to drawing F.100914. | ||
| View original record | X235 RHC. from Hs/Les. Hs/Les.1/KT.15.2.33. Will you please make 12 shock damper valve springs to F.100914. These are for experimental use only. Hs/Les. | ||
| scan0023 | Request to produce a shock damper valve chamber with an increased taper on the valve seat. | ||
| View original record | X235 RHC. from Hs/Les. Hs/Les.4/KT. 20.2.33. Will you please produce one shock damper valve chamber F.100694 to Hs.936. The taper on the valve seat is increased from 28° to 60° but the orifice into… | ||
| scan0024 | Production settings of shock dampers. | ||
| View original record | X285 PRODUCTION SETTINGS OF SHOCK DAMPERS. Copy of Hd/SB9/KH. 31.10.31 and Hd/SB8/KH. 23.6.32. TYPE. FRONT OR REAR. POUNDAGE. UP. DOWN. HOLES IN VALVES. NO. DIA. EQUIV. AREA SQ. INS. REMARKS. CF.20… | ||
| scan0025 | Testing, criticism, and implementation of controllable shock dampers on various car models. | ||
| View original record | X235 To Sg. From Hs. c. to Wor. Hs.4/MJ.24.2.33. Re. CONTROLLABLE SHOCK DAMPERS. Replying to Sg.6/E22.2.33, we have been writing to Hancock with reference to his reports on shock absorbers. It is most… | ||
| scan0026 | Modifications to a hand control valve for dampers. | ||
| View original record | BY. FROM HDY. Y235 HDY2/M25.2.33. C. to SG. WOR. HS. E. DA. MODIFICATIONS TO HAND CONTROL VALVE FOR DAMPERS. We send N. sch. 3665. herewith which shews slight modifications to the hand controlled… | ||
| scan0027 | Use of separate outside levers for rear dampers on various car models. | ||
| View original record | E. } FROM HDY. BY. } HS. } LES. x 4698. HDY1/M28.2.33. C. to SC. WOR. DA. HY. REAR DAMPER LEVERS. With reference to E3/HP24233., it occurs to us that on the Phantom, J. 2. and 3., Peregrine, and… | ||
| scan0028 | Clarifying the design choice and production cost considerations for rear damper levers. | ||
| View original record | To EV/EV. from E. c. Sg. Mor. Hs. Dy. Hy. E.5/HP.6.3.33. Rear Damper Levers. Referring to your memo HDX.1/M.28.2.33 and to our memo E.3/HP.24.2.33, we did not wish to suggest that the shock damper… | ||
| scan0029 | Deceleration tests on J.III type shock dampers with a governor control unit. | ||
| View original record | X235 FILES. 14.3.33. J.III TYPE SHOCK DAMPERS. X/35/20 "DECELERATION" TESTS. RR.SCH.284. BELLOWS IN CONJUNCTION WITH GOVERNOR CONTROL UNIT. DAMPER STROKE 1". With the damper speed maintained at 90… | ||
| scan0030 | Test report on J.III type shock dampers and bellows control in conjunction with a governor. | ||
| View original record | Files. J.III TYPE SHOCK DAMPERS - N.SCH.3465/3497. R.R.SCH.284 BELLOWS CONTROL IN CONJUNCTION WITH N.SCH. 3466/3592/3593. GOVERNOR. From the tests previously reported it was concluded that the oil… | ||
| scan0031 | Test report detailing pressure and temperature performance of a damper and governor system. | ||
| View original record | -2- the minimum pressures at both the "damper" and "governor" gauges when the bellows was suddenly released were recorded, also the time taken for the damper to regain its normal pressure - 5… | ||
| scan0032 | Test report discussing pressure variations and the effectiveness of single versus multiple dampers. | ||
| View original record | -3- In these tests only one damper was used in conjunction with a 12 ft. 1/4" diameter pipe line, with compressor oil in both governor and damper. It is therefore probable that with four dampers in… | ||
| scan0033 | Performance graphs for a J III rear low-pressure damper and pipe line at different temperatures. | ||
| View original record | Graph 1: J III REAR 35/35 LB. LOW PRESSURE DAMPER & PIPE LINE TEMP 40°C 90 R.P.M. 4" STROKE 14.3.33 BELLOWS 10 LB/D" 5 " 0 " 308 LB/D" = 133 LB B.P. 120"IS Graph 2: J III REAR 35/35 LB. LOW PRESSURE… | ||
| scan0034 | Sending blueprints for experimental Gland and Valve springs for the front and rear dampers on Peregrine II, Phantom II, and 20/25 HP chassis. | ||
| View original record | RMC. [crossed out] c. Hs/Les. c. Ws/TD. [crossed out] c. Sft. [crossed out] Y235 BY/HEB6/M.14.3.33. PEREGRINE II. PHANTOM II. & 20/25 HP. CHASSIS. FRONT AXLE CONTROL DAMPER SEC:7160. REAR SHOCK DAMPER… | ||
| scan0035 | Request to produce bellows control parts for testing on governor controlled shock dampers. | ||
| View original record | X235- RHC. from Hs/Les. Hs/Les.1/KT.17.3.33. GOVERNOR CONTROLLED SHOCK DAMPERS. Will you please produce 9 bellows control parts to R. R. Sch. 353. We want to test 4 of these on 20-EX as soon as… | ||
| scan0036 | Recession of the control sylphon, dampers, and potential improvements to valve lift. | ||
| View original record | X235. HS/RM. FROM HDY. HDY1/M18.3.33. C. to SG. WOR. E. DA. BY. DAMPERS. RECESSION OF CONTROL SYLPHON. It appears to us that from the point of view of recession of the sylphon alone the simplest way… | ||
| scan0037 | Cover note for a report answering a query on the time taken for the damper load to follow the governor. | ||
| View original record | X235 Hdy. from Hs/Rm. Hs/Rm.12/KT. 20.3.33. With reference to your query re. the time taken for the damper load to follow the governor in the soft direction. The attached report will possibly answer… | ||
| scan0038 | Proposing a trial for a new type of valve for controllable shock absorbers. | ||
| View original record | X238 RHC. from Hs/Rm. Hs/Rm.3/KT.23.3.33. CONTROL OF SHOCK DAMPERS. Hdy. has asked us to try a new type of valve for the controllable shock absorbers. We attach his sketch to N.sch.3670. As we only… | ||
| scan0039 | Shock damper valve tests, comparing maximum valve lifts for Standard, Double Area, and Reduced Length Seat valves. | ||
| View original record | To Hdy. from Hs/W.Bell. Hs/WB.6/KT.24.3.33. N.S.3497. SHOCK DAMPER VALVE TESTS. The following table shows the maximum valve lifts obtained when using, Standard, Double Area, and Reduced Length Seat… | ||
| scan0040 | Tests comparing various valve designs and their effects on chatter, pressure, and silence. | ||
| View original record | -2- Hs/WB.6/KT.24.3.33. of valve chatter, and its attendant squawk. With the Double Area valve the press-velocity effect was reduced, but the pressure was not quite as steady, showing a valve bumping… | ||
| scan0041 | Blueprint showing two graphs from valve lift tests comparing standard and double area valves. | ||
| View original record | VALVE LIFT TESTS. NS3497 23-3-33 Top Graph: 172 LB/IN VALVE SPRING VALVE LIFT - INS. .060 .040 .020 AXLE VELOCITY FT/SEC. .5 1.0 1.5 STANDARD VALVE DOUBLE AREA VALVE .025" VALVE SEAT Bottom Graph: 100… | ||
| scan0042 | Low pressure diagram for a J III rear 90/90 lb double area valve. | ||
| View original record | J III REAR, 90/90 LB. LOW PRESSURE. NS 3497 DOUBLE AREA VALVE. 172 LB/IN. VALVE SPRING. 1" STROKE. R.P.M 540 360 180 90 308 LB/SQ" = 133 LB. 120' I S | ||
| scan0043 | Technical memo detailing observations and proposed modifications for J.3. type dampers. | ||
| View original record | HS/RM. } FROM HDY. BY. } HDY1/M27.3.33. C. to SG. WOR. E. DA. DAMPERS - J.3. TYPE. We have just received production drawings F100892 & 3 Front, and F100889 & 90 Rear, for the Peregrine damper bodies,… | ||
| scan0044 | Instructing a trial for a non-return valve with restriction for dampers, concerning the recession of the sylphon. | ||
| View original record | HS/RM. FROM HDY. X-35 HDY2/M27.3.33. C. to SG. WOR. E. DA. BY. DAMPERS - RECESSION OF SYLPHON. R. has instructed that the non-return valve with restriction suggested some weeks ago should be given a… | ||
| scan0045 | Specifications and testing procedures for 40/50 Bumper Front Shock Dampers. | ||
| View original record | X235 W.Bell. W.Hives. 27.3.33. 40/50 BUMPER FRONT SHOCK DAMPERS. These should have the following specification - Nearside. (i) Thick intermediate lever. (ii) Solid bolt. (iii) No key in intermediate… | ||
| scan0046 | Tests of intermediate levers for hydraulic shock absorbers, with findings and recommendations. | ||
| View original record | X235 from ns/Rm. e. to H. Hs/Rm.5/KT.27.3.33. INTERMEDIATE LEVERS - HYDRAULIC SHOCK ABSORBERS. We have carried out a lot of tests on these intermediate levers with a view to ascertaining whether,… | ||
| scan0047 | Test report on the friction torque of shock damper inter-levers without keys. | ||
| View original record | 27.3.33. INTER. LEVER TESTS - SHOCK DAMPERS. Friction Torque - No Keys fitted. With the inter. lever secured to a shaft supported in ball race bearings, using F.58845 solid type biting-in-bolt, and… | ||
| scan0048 | Preliminary figures on valve lifts for small and large diameter valves. | ||
| View original record | X235 Hdy. from Hs/Rm. Hs/Rm.11/KT.27.3.33. We send you herewith some preliminary figures on valve lifts. The tests are not quite what you want because we used the same valve spring for both the small… | ||
| scan0049 | Brief summary of development work carried out on the J.III. type hydraulic shock dampers. | ||
| View original record | X235 To R. from Hs/Rn. c. Eg. Wor. c. Ei By. c. Da. Hdy. Hs/Rn.16/KT. 29.3.33. NEW TYPE HYDRAULIC SHOCK DAMPERS. The following is a brief summary of the development work so far carried out on the… | ||
| scan0050 | Technical report on the development and testing of dampers, discussing mechanical strength and governor control systems. | ||
| View original record | -2- Hs/RH.16/KT.29.3.33. Mechanical Strength. The dampers started off with a two point fixing to the frame. This did not prove satisfactory with aluminium cased dampers, also the local stress on the… | ||
| scan0051 | Requesting a reversion to square type intermediate levers and shafts for J.3 hydraulic dampers. | ||
| View original record | x235 RHC. from Hs/Rm. Hs/Rm.9/KT. 29.3.33. We have been enforced to revert to the square type intermediate lever and shaft for the J.3. hydraulic dampers. By. is proposing to alter the dies for the… | ||
| scan0052 | Notification of replacement parts for shock and control dampers on Phantom II, 20/25 HP, Peregrine II, and Bensport 4 models. | ||
| View original record | c. Hs/Lea. X235 BY/HEB3/M.29.3.33. PHANTOM II. 20/25 HP. PEREGRINE II. BENSPORT 4. REAR SHOCK DAMPER SEC:715D. FRONT AXLE CONTROL DAMPER SEC:716D. INTERMEDIATE LEVER LOCATED BY SQUARE ON ROCKING SHAFT… | ||
| scan0053 | Modifications for shock dampers, specifically the square shaft fixing for intermediate levers. | ||
| View original record | RHC. from Hs/Les. SHOCK DAMPERS SQUARE SHAFT FIXING FOR INTERMEDIATE LEVERS With the square shaft a smaller diameter inner bush is necessary. In order to utilise the existing casings, a thicker… | ||
| scan0054 | Adjustable shock dampers, comparing hand and automatic control systems for standardization. | ||
| View original record | To Hs. from Sg. Copy to Wer. PY.F. DN re Adjustable Shock Dampers. I am in receipt of Hs.6/MJ.29.3.33. This makes the position clearer to me than it was before. I am also in receipt of… | ||
| scan0055 | Controllability of the 20/25 model in comparison to the Phantom II model. | ||
| View original record | To Hs. from Sg. Sg4/F30.3.33 - 2 - The question of controllability is not, as you say, anything like as important on the 20/25 as on the P.II and, therefore, this matter can be brought along and dealt… | ||
| scan0056 | Arranging a demonstration of adjustable shock dampers on a Phantom car at Brooklands. | ||
| View original record | X23V Sg. from Hs. C. Wor. By. C. E. FN. Hs.12/KT.31.3.33. ADJUSTABLE SHOCK DAMPERS. Replying to Sg4/E30.3.33. We should like to arrange to demonstrate the controlled dampers on the Phantom on Thursday… | ||
| scan0057 | Arranging a meeting at Brooklands to discuss adjustable shock dampers. | ||
| View original record | X235 To Hs. from Sg. re Adjustable Shock Dampers. Copy to PN. Sg13/E3.4.33 Referring to Hs.12/KT.31.3.33 I note what you say and suggest 12 o'clock at Brooklands on Thursday next. Sg. | ||
| scan0058 | Modification of a valve chamber to prevent oil leaks for the Phantom II and 20/25 HP models, Report 4. | ||
| View original record | X 2 35 c. Ha/Lon. BY/HUB/H.3.4.33. PHANTOM II. PERKINS II. 20/25 HP. REPORT 4. FRONT AXLE CONTROL DAMPER SUD.716C. REAR SHOCK DAMPER SUD.715. MODIFIED VALVE CHAMBER TO PREVENT OIL LEAKS. In order to… | ||
| scan0059 | Design issue with the J.III type shock dampers on the 40/50 chassis. | ||
| View original record | x 235 Hdy. from Hs/Les. c. By. Hs/Les.4/KT.5.4.33. J.III TYPE SHOCK DAMPERS ON 40/50 CHASSIS. We should like to point out that in order to remove the off side rear damper it is necessary to remove the… | ||
| scan0060 | Performance issues and proposed solutions for hydraulic dampers. | ||
| View original record | X238 To Hdy. from Hs/Rm. Hs/Rm.1/BE12.4.33. HYDRAULIC DAMPERS With reference to your HDY1/M18.3.33. Attached is a report which shews how we can prevent recession by means of the non-return valve and… | ||
| scan0061 | Recession valve tests for JIII type shock dampers. | ||
| View original record | To Hdy. from Hs/WB. Hs/WB.5/KT.11.4.33. JIII. TYPE SHOCK DAMPERS. RECESSION VALVE TESTS. R.R.Sch.284 Bellows Governor Controlled. It had been previously ascertained that there was a tendency for the… | ||
| scan0062 | Deceleration tests conducted with a recession valve in an external pressure inlet. | ||
| View original record | "DECELERATION" TESTS WITH RECESSION VALVE IN EXTERNAL PRESSURE INLET. Having found that a .015" diameter release vent in conjunction with a recession valve was required to check recession of the… | ||
| scan0063 | Test results for recession valve deceleration with governor speed reduction. | ||
| View original record | RECESSION VALVE DECELERATION TESTS. (1) GOVERNOR SPEED REDUCED FROM 80 to 30 M.P.H. Table 1: Headers: Damper Speed R.P.M. | Time Secs. 80 to 30 M.P.H. Column Group 1: Without Recession Valve.… | ||
| scan0064 | Blueprint diagram comparing a bakelite disc valve and a ball valve for external pressure tests. | ||
| View original record | RELEASE VENTS ·320 .250 DIA BALL DISC VALVE BAKELITE BALL VALVE EXTERNAL PRESSURE "RECESSION" VALVE TESTS ROLLS ROYCE. LTD. PRINT ROOM APR 11 1933 DERBY. HS 981. 6-4-33 | ||
| scan0065 | Performance graphs for a J.III rear component showing the effects of different valve configurations under low pressure. | ||
| View original record | Top Graph: J. III REAR. 35/35 LB. LOW PRESSURE BLANK DISC VALVE IN EXT. PRESS INLET 4" STROKE 5-4-33 308 LB/D" = 133 LB. 120" I.S. R.P.M. 180 135 90 45 GOV. PRESS. 4 LB/D" 45 R.P.M - 0 LB/D" AFTER… | ||
| scan0066 | Series of five performance charts for a J III rear low-pressure system with various inlet valve configurations. | ||
| View original record | Chart 1 (Top Left): Title: J III REAR 35/35 LB. LOW PRESSURE Date: 6-4-33 Subtitle: .250" EXT. PRESS INLET BALL VALVE. NO RELEASE VENTS. Subtitle 2: 4" STROKE Y-Axis: 308 LB/D" = 133 LB. X-Axis: 120"… | ||
| scan0067 | Performance data table comparing a '4 Cam Pump' and a 'Standard Pump' for a Governor Control Shock Damper. | ||
| View original record | FILES X2-35 12.4.33. GOVERNOR CONTROL - SHOCK DAMPER. Hs/Les. Square Cam Operated Pump. Compressor Oil - Governor as supplied. Governor Release Pipe Disconnected. | | 4 Cam Pump. | | Std. Pump. | |… | ||
| scan0068 | Issues with removing the rear damper on the Phantom model, referencing specific schematics. | ||
| View original record | BY. ) FROM HDY. HS. ) C. to SG. WOR. E. DA. X-4698 HDY2/M13.4.33. J. 3. DAMPERS ON PHANTOM. The Expl. Dept. have pointed out (HS/LES4/KT5433.) that removal of the rear damper on the offside of the car… | ||
| scan0069 | Modifications to the shock damper filler plug to prevent thread stripping. | ||
| View original record | X2=1 BY. from Hs/Les. Hs/Les.11/KT. 27.4.33. SHOCK DAMPER FILLER PLUG MODIFICATIONS. We think the scheme attached to your BY/HEB.9/M. 26.4.33, will overcome the trouble of the thread stripping in the… | ||
| scan0070 | Request to modify four shock damper valve chambers and valves to increase the high pressure load. | ||
| View original record | X4698 RHC. from Hs/Les. Hs/Les.1/KT.18.5.33. Will you please modify 4 shock damper valve chambers and valves to Hs.993. This is so that the high pressure load will be 30% greater than the low pressure… | ||
| scan0071 | Newly constructed shock absorber rig being offered on loan, with blueprints attached, to aid production. | ||
| View original record | XU698. To Sft. from Hs/Rm. c. to Wor. Hs/Rm.9/KT.3.6.33. We have now constructed a shock absorber rig,on the lines of the one we suggested, in order to get indicator diagrams off production shock… | ||
| scan0072 | Production priorities for carburettors, air silencers, and shock absorber glands, referencing a new breather scheme. | ||
| View original record | COPY: XC4698 To BY. from Hs/Rm. Hs/Rm.2/KT.15.6.33. With reference to Sft.9/BH.12.6.33. We do not think it is necessary to hold up carburettors and air silencers any further with regard to working… | ||
| scan0073 | Modifications to J.3 type dampers to prevent oil leakage. | ||
| View original record | Hdy To BY. from HDY. HDY.1/HP.16.6.33. c. Wor. E. Da. Hs. RHO. x+698 J.3. type Dampers. With reference to the difficulty experienced in preventing leakage from the gland of the new type damper, we… | ||
| scan0074 | Tests on leaking shock absorber glands on the 18.G.IV model and proposing a new standardized design. | ||
| View original record | YJ 698 To By. from Hs/Rn. c. to Hdy. Hs/Rn.14/KT.16.6.33. GWH. has been carrying out a lot of tests on glands of shock absorbers on 18.G.IV. As originally fitted up - i.e. as you are now making them -… | ||
| scan0075 | The design and testing of a shock damper gland, referencing a similar design used in France. | ||
| View original record | X-698 BY/HEB. from Hs/Les. Hs/Les.4/KT.22.6.33. SHOCK DAMPER GLAND HS.1042. In order to copy the glands which we are testing and which we are now running in France, it is necessary that the pressure… | ||
| scan0076 | Inquiry regarding the mileage and maintenance of shock absorbers, specifically about oil replenishment and leaks. | ||
| View original record | XJ694 To Br.(N) " Hm. (Paris). Hs/Les.10/KT.23.6.33. REPLENISHING SHOCK ABSORBERS. We should like to know the approximate mileage our present shock dampers can run before it is necessary to re-fill… | ||
| scan0077 | Request to make a set of 4 flexible gland covers for shock dampers. | ||
| View original record | X 1698. To RHC. from Hs/Les. Hs/Les.12/KT.27.6.33. SHOCK DAMPERS. Will you please make one set of 4 flexible gland covers to Hs.1048/9. Hs/Les. | ||
| scan0078 | Blueprint for a sheet metal gland cover. | ||
| View original record | Hs. 1048, 2.575, .050, .375R, .300R, 2.025 DIA, 1.725 DIA, .050 R, .875, 1.400 DIA, 2 HOLES, .265 DIA, ROLLS-ROYCE, LTD, PRINT ROOM, JUN 27 1933, DERBY., 22SWG (.028"), .050R, SHEET METAL GLAND COVER,… | ||
| scan0079 | Blueprint for a flange for a gland cover. | ||
| View original record | Hs. 1049 2.575 .050 .375 R .300R 2.025 DIA 1.800 DIA .100 1.850 DIA .475 2 HOLES .265 DIA FLANGE FOR GLAND COVER. ROLLS-ROYCE, LTD PRINT ROOM JUN. 27 1933 DERBY | ||
| scan0080 | Specifications for governor controlled shock dampers for the 22-EX car. | ||
| View original record | To By. from Hs/Les. c.c. Hdy. c.c. Sg Wor. GOVERNOR CONTROLLED SHOCK DAMPERS. We have now got a car running with this scheme in such a state that we want to fit up further cars to a similar… | ||
| scan0081 | Request to convert four existing valve chambers and produce four new valves for shock dampers. | ||
| View original record | X 4628. To RHC. from Hs/Les. Hs/Les.7/KT.17.7.33. SHOCK DAMPERS. Will you please convert 4 existing valve chambers Ex.10839 to Hs.1071 and produce 4 valves to Hs.1072. Hs/Les. | ||
| scan0082 | Blueprint showing a modification to a valve, with a larger size and steeper taper. | ||
| View original record | Hs. 1071. .625 DIA .550 +2 110 350 DIA 437 DIA 30° MOD TO FX10839 HAVING LARGE VALVE AND STEEPER TAPER ON VALVE. | ||
| scan0083 | Request for the production cost of shock damper gland cover F.100883. | ||
| View original record | X6698. To G/Rb. from Hs/Les. Hs/Les.14/KT. 20.7.33. Will you please let us know the productidn cost of the shock damper gland cover F.100883. Hs/Les. | ||
| scan0084 | Requesting the production of 12 shock damper glands to drawing Hs.1077. | ||
| View original record | X+69 P. To RHC. from Hs/Les. Hs/Les.13/KT. 20.7.33. SHOCK DAMPER GLANDS. Will you please make 12 damper glands to Hs.1077. This gland should not be affected by clearances in the bearings, distortion… | ||
| scan0085 | Request to alter 4 existing shock damper valves and valve chambers. | ||
| View original record | X4498 To RHC. from Hs/Les. Hs/Les.7/KT.22.7.33. SHOCK DAMPERS. Will you please alter 4 existing valves and valve chambers to Hs.1083/4. Hs/Les. | ||
| scan0086 | Blueprint of a shock damper valve chamber insert. | ||
| View original record | M/Sct INSERT Hs 1083. .525 .218DIA .375 DIA- SHOCK DAMPER VALVE CHAMBER REDUCED LOAD INCREASE DUE TO VELOCITY | ||
| scan0087 | Cross-sectional drawing of a valve with its dimensions. | ||
| View original record | SCALE 2.1 Hs. 1084 .525 .025 60° VALVE FOR Hs 1083. MADE FROM F59818 | ||
| scan0088 | Fitting a release valve to the governor unit to prevent damage to shock damper bellows. | ||
| View original record | X4648 To By. from Hs/Les. c. to Edy. Hs/Les.5/KT.28.7.33. GOVERNOR CONTROL SHOCK DAMPERS. In order to prevent damaging the shock damper bellows from excessive oil pressures in the system, we think it… | ||
| scan0089 | Increasing the pump capacity for the shock damper governor unit. | ||
| View original record | X698 To RHC. from Hs/Les. Hs/Les.6/KT. 31.7.33. SHOCK DAMPER GOVERNOR UNIT. The delivery of the pump in this unit is insufficient, causing considerable lag before the dampers become hard. With… | ||
| scan0090 | Request for comparison viscosity figures for a new Bentley shock damper oil against the present oil. | ||
| View original record | X4698. To H1. from Hs/Les: Hs/Les.13/KT.4.8.33. Will you please let us have comparison viscosity figures for the new Bentley shock damper oil Mobiloil B, against our present shock damper oil. We are… | ||
| scan0091 | Tabulated guide for setting ball pin loads and valve leaks for Phantom II, 20/25 HP, and Bentley 3 1/2 Litre chassis. | ||
| View original record | c. Hw/Mr.Bell. (crossed out) X4698 BY/HSB1/M.16.9.33. PHANTOM II. 20/25 HP. & BENTLEY 3 1/2 LITRE CHASSIS. FRONT AXLE CONTROL DAMPER SEC:716. REAR SHOCK DAMPER SEC:715. In order to make quite clear… | ||
| scan0092 | Suggesting design changes for a damper governor control to improve performance and reduce cost. | ||
| View original record | X-698 To BY. from HDY. ----------------- c. Wcr. R. Hs. Dev. RMC. ------------------------ HDY.2/HP.25.9.33. ----------------- Damper Governor Control. ------------------------ We think that the… | ||
| scan0093 | Trial of independent concentric valves for shock dampers, including potential issues. | ||
| View original record | x4698. To Hs/Rm. from HDY. HDY.1/HP.26.9.33. c. Wor. E. Da. By. Shock Dampers. Herewith N. Sch. 3838 which shews independent concentric valves for trial on the shock damper. The existing bellows and… | ||
| scan0094 | Request to produce two sets of a quiet shock absorber valve for trial, as per attached blueprint N.Sch.3838. | ||
| View original record | X4698. To RHC. from Hs/Rm. Hs/Rm.4/KT.27.9.33. QUIET SHOCK ABSORBER VALVES. We should like to try the valve to N.Sch.3838 blueprint of which we attach. As its success is problematical we should like… | ||
| scan0095 | Proposal to modify the assembly of the eccentric strap for the damper governor control. | ||
| View original record | V4698. To BY. from HDY. c. for E. Hs. Ds. RHG. HDY.1/HP.2.10.33. Eccentric for Damper Governor Control. We think that the cutting away of the eccentric strap for assembling as instructed on our N.… | ||
| scan0096 | The discontinuation of producing shock damper glands in small quantities. | ||
| View original record | x4698. To By. from Hs/Les. C. RHC. Hs/Les.3/KT.3.10.33. SHOCK DAMPER GLANDS. Re. your memo BY/HEB3/M2.10.33. We consider it unnecessary now to continue producing gland parts in small quantities.… | ||
| scan0097 | Requesting the production of 9 sets of new valves with cast-iron inserts for governor-controlled dampers. | ||
| View original record | XVU698. To RHC. from Hs/Les. Hs/Les.1/KT.4.10.33. GOVERNOR CONTROLLED DAMPERS. We attach Hs.1154 showing the new valve, which we require for the dampers on Sg's car. The valve chamber has a cast-iron… | ||
| scan0098 | Blueprint of a new type of valve with two scale drawings. | ||
| View original record | Hs 1154, SCALE 1/1, SCALE 2/1, .005" CLEARANCE, .171" DIA, .050" RAD, NEW TYPE VALVE, ROLLS-ROYCE, LTD, PRINT ROOM, 4 OCT 1933, DERBY., h.e.g, 3.10.33 | ||
| scan0099 | Testing and implementation of adjustable shock dampers. | ||
| View original record | To Wor. From Hs. c. to C. c. to R. c. to Hy. c. to Ds. c. to Hdy. c. to FN. ADJUSTABLE SHOCK DAMPERS. We met FN. in London yesterday and carried out tests on 25-KX. Expl. Limousine with low rating… | ||
| scan0100 | Alternative control systems and damper loads for 25 HP and Bentley models. | ||
| View original record | -2- Hs.3/MJ.11.10.35. Cont'd. have recommended for the 25 HP. then we can use the present carburetter control for the dampers. Another alternative is to use the Peregrine type of controls which gives… | ||
| scan0101 | Test results and production instructions for governor controlled shock dampers. | ||
| View original record | To Ey. from Hs/Les. c. E. c. Hdy. GOVERNOR CONTROLLED SHOCK DAMPERS. We have been running Bg's car and 22-EX with different type valves to that which is instructed for the 25 sets that are being… | ||
| scan0102 | Trial and implementation of adjustable shock dampers on Phantom, 20/25, and Bentley models. | ||
| View original record | S/W....Hs. c. to Wor. E. By. Da. Hdv. PN. X4698. C4/C13.10.33 ADJUSTABLE SHOCK DAMPERS. Hs3/MJ11.10.33 ----------- I am arranging for a number of people to try your adjustable shock absorber scheme… | ||
| scan0103 | Request to modify four existing shock damper valve chambers and produce four valves. | ||
| View original record | X4698 To RHC. from Hs/Les: Hs/Les.3/KT.17.10.33. Will you please modify four existing shock damper valve chambers to Hs.1170 and produce four valves for them to Hs/1171/2/3. Hs/Les. | ||
| scan0104 | Blueprint of a mechanical component cross-section with dimensional annotations. | ||
| View original record | Hs. 1170 .265 DIA .050 RAD .4375 DIA .120 MOD TO F85388/9. kor 16.10.38. | ||
| scan0105 | Blueprint drawing with dimensions for an L.P. Valve. | ||
| View original record | Hs 1172 .265 DIA IMPORTANT VALVE SEAT .062 .360 DIA L.P. VALVE FOR Hs. 1170 1.100" .1875-1/2 DIA 60° .850 .050 RAD IMPORTANT DIA,S 125-1/2 DIA .062 HOLE .150 DEEP N/S W.D | ||
| scan0106 | Dimensioned drawing for a high-pressure valve for assembly Hs 1170. | ||
| View original record | Hs. 1171 .1875 + 1/2 DIA .437 - 1/2 DIA IMPORTANT DIA'S 15° UNDERCUT .430 DIA .050 WIDE. H. P. VALVE FOR Hs 1170 .725 .312 DIA .650 DIA 15° .075 BZ/PC LeB 17.10.33 | ||
| scan0107 | Drawing of a damping disc for part number Hs. 1172. | ||
| View original record | Hs 1173 15° .032 .218 DIA .500 DIA 1.302+/-1 DIA .185+/-1/2 DIA 60° CHAMFER .156 .437 M/S DAMPING DISC FOR Hs. 1172 Kee 17.10.35 | ||
| scan0108 | The introduction of a new governor-controlled shock damper valve, replacing scheme R.R.Sch.411. | ||
| View original record | To RHC. from Hs/Les. GOVERNOR CONTROLLED SHOCK DAMPERS. By. has now instructed to us and to production the new type shock damper valve to R.R. Sch. 469. This scheme replaces R.R. Sch. 411. The… | ||
| scan0109 | Fixing of a dashpot piston to a damper valve using a taper fit, referencing drawing N. Sch. 3856. | ||
| View original record | To BY. from HDY. [Handwritten]: x4698 [Typed]: HDY.1/HP.26.10.33. c.c. Mr. W. Hs. Mr. Br. Sft.WHG. [Text has a line struck through it] Damper Valves. With regard to the fixing of the dashpot piston to… | ||
| scan0110 | Design change for a pump piston fixing in a damper governor control. | ||
| View original record | To DY. from HDY. x4698 HDY.2/HP.30.10.33. c. For. E. Hs. Des. NHC. Damper Governor Control. With reference to the difficulty with the present design of pump piston, we now agree that the screwed… | ||
| scan0111 | Shock damper temperature tests conducted on a 20-EX car, with and without a heat shield. | ||
| View original record | X4698 8.11.33. X7520 FILES: ----- 20-EX. SHOCK DAMPER TEMPERATURE TESTS. A series of tests were carried out on the above car: (1) Running the car in a perfectly standard condition, (2) By placing a… | ||
| scan0112 | Alterations to shock damper casings to prevent distortion and proposing further design improvements. | ||
| View original record | K4698. To By. from Hs/Les! Hs/Les.3/KT.10.11.33. SHOCK DAMPER CASINGS! We believe the damper casing is being altered in order to reduce the depth of contact against the frame. This being necessary in… | ||
| scan0113 | Figures showing gauge pressures and corresponding ball pin loads for four Type HT.3 Tele-Control Hartford shock dampers. | ||
| View original record | FILES: K4698 16.11.33. TELE-CONTROL HARTFORD SHOCK DAMPERS. TYPE HT.3. Figures taken showing gauge pressures and corresponding ball pin loads for four dampers. Gauge lbs/sq.in. Ball Pin Load Damper… | ||
| scan0114 | Production alterations to the governor controlled shock damper valve clearances. | ||
| View original record | KJGC To By: from Hs/Les: Hs/Les.7/KT.21.11.33. GOVERNOR CONTROLLED SHOCK DAMPER VALVE CLEARANCES RR.SCH.469. We find that in order to ensure that the high pressure valve does not stick, increased… | ||
| scan0115 | Testing procedures for the governor control shock dampers on the 40/50 HP model. | ||
| View original record | V4698 To Mr. from Hs/Les. c. to Hd. c. to Ey. c. to Hdy. Hs/Les.1/KT.29.11.33. x7520 TESTING GOVERNOR CONTROL SHOCK DAMPERS - 40/50 HP. On the nearside of the gearbox in the frame there is a 4 way… | ||
| scan0116 | Test procedures and specifications for a vehicle's governor unit, dampers, and pressure control system. | ||
| View original record | -2- Hs/Les.1/KT.29.11.33. more float for the control spring F.85377. This is done by fitting a thicker alum. washer G.77634 in the control unit F.84996. The complete control unit is easily removed… | ||
| scan0117 | Instructions for erecting and testing a shock damper bellows control unit. | ||
| View original record | To By. from Hs/Les. c to Sft. Hs/Les.2/KT.29.11.33. X7520 ERECTING SHOCK DAMPER BELLOWS CONTROL UNIT TO RR.SCH.469. In order to prevent straining the bellows and to prevent differences occurring in… | ||
| scan0118 | Cross-section drawing of a solid high-pressure (HP) valve for testing HP and L.P. chambers. | ||
| View original record | Hs. 1222. SOLID H.P. VALVE. FOR USE WHEN TESTING H.P. AND L.P. CHAMBER TO 2,500 lb/□" ROLLS-ROYCE, LTD PRINT ROOM NOV 29 1933 DERBY. | ||
| scan0119 | Testing and implementing a new main release valve for the governor unit. | ||
| View original record | X4648 To By. from Hs/Les. Hs/Les.10/KT.11.12.33. GOVERNOR UNIT. We have been testing the main release valve to N.Sch.3837. This embodies a spring of half the rating of the spring in the present main… | ||
| scan0120 | Requesting the creation of a shock damper indicator for a test rig. | ||
| View original record | x698 To RHC. from Hs/Les. Hs/Les.12/KT.11.12.33. SHOCK DAMPER INDICATOR. Will you please make an indicator to Hs.1232 for use on the test rig. This indicator should have the following advantages. (1)… | ||
| scan0121 | Requesting a material change for the shock damper bellows end piece (F.85395) due to porosity issues with the current material. | ||
| View original record | x 5698. To By. from Hs/Les. Hs/Les.4/KT.14.12.33. SHOCK DAMPER BELLOWS F.85395. Will you please change the material of the bellows end piece from "gun-metal" to a "hot brass pressing". E. has agreed… | ||
| scan0122 | Investigation report on shock damper valve tests for the F.85641 valve assembly, addressing a leakage complaint. | ||
| View original record | C O P Y. Hs/Les. X4698. 18.12.33. Shock Damper Valve Tests. F.85641 Valve Assembly. Following a complaint from the production department that after assembling and rivetting the valve with the correct… | ||
| scan0123 | Request for the assembly and production of modified shock damper valves to address valve leaks. | ||
| View original record | To RHC. from Hs/Les. keb98 Hs/Les.12/KW21.12.33. Shock Damper Valves. --------------------- Will you please assemble a pair of valve chambers to F.85600/1, with the valve seats modified to Hs.1250.… | ||
| scan0124 | Investigation into a loose damping disc on Shock Damper Valve Assembly F.85641. | ||
| View original record | File YU698 By. c. to By/HEB+ Hs/Les.10/KW18.12.33. Shock Damper Valve Assembly F.85641. --------------------------------- On the 15th inst. Production complained that the damping disc was coming loose… | ||
| scan0125 | Modification to speedometer cables to create a deliberate weak point to prevent gearbox damage. | ||
| View original record | X4698 LES To BT. from HDY. HDY.2/MP.27.12.33. c. Wdr. E. Hs. De. RHC. Speedometer Cables for Cars with Controlled Dampers. ----------------- The Experimental Department have requested that means be… | ||
| scan0126 | Failure of a rear shock damper ball end fixing, attributing it to incorrect assembly and a design flaw, and proposing a new forged bracket design. | ||
| View original record | x4698 LFS To BT. from Da. c.for. E. Hs. HSY. Da.3/HP.27.12.33. P.2. Rear Shock Damper Ball End Fixing. With reference to the sheet metal brake bracket, to which is secured the lower ball end of the… | ||
| scan0127 | Testing and proposed modifications to the Phantom II damper control system on chassis 22-EX. | ||
| View original record | LES x4698 See me HS To Sg. ) Wer. ) from E. c. Hs. By. EP. Mx. U/HSY. re Phantom II Damper Control on 22-EX. I tried 22-EX recently, which is fitted with the damper control representative as regards… | ||
| scan0128 | Modifications to a governor for experimental trials concerning ride harshness and damping. | ||
| View original record | - 2 - E.1/MP.28.12.33. -------------- avoid unnecessarily harsh riding at low speeds to some extent, and at the same time ensure a sufficiency of damping at maximum speed. We will issue particulars of… | ||
| scan0129 | Graph showing the variation of damper control pressure with road speed. | ||
| View original record | VARIATION OF DAMPER CONTROL PRESSURE WITH ROAD SPEED DAMPER PRESSURE (LB./□") MAXIMUM HAND CONTROL MINIMUM HAND CONTROL ROAD SPEED (M.P.H.) Y-AXIS: 0, 5, 10, 15, 20, 25, 30, 35 X-AXIS: 0, 10, 20, 30,… | ||
| scan0130 | Test report on shock damper valve 'hat' clearance and its effect on operational quietness. | ||
| View original record | Files Hs/Ref. LES See me HS x4698 1.1.34. SHOCK DAMPER VALVE TESTS. Effect of "Hat" Clearance with Regard to Quietness. Valve Assembly F.85641. With the previous type of valve used on production… | ||
| scan0131 | Use of smaller control bellows for front dampers to reduce front end damping. | ||
| View original record | X4698 KES To BY. from HDY. HDY.1/HP.3.1.34. c. Wer. E. Hs. Da. Smaller Control Bellows for Front Dampers. In order to reduce the front end damping, smaller bellows are to be used in the front dampers,… | ||
| scan0132 | Loss of damping in shock dampers at high frequency oscillation. | ||
| View original record | To Hs. from HDY. c. Sg. Wor. E. Da. By. HDY.4/HP.1.1.34. Shock Dampers. With reference to the remark in Hs/Les.10/KW.29.12.33 about loss of damping at high frequency oscillation, if this is the same… | ||
| scan0133 | Request to issue an order for the Packless Gland Co. to build 12 Shock Damper Glands. | ||
| View original record | Roy/Ms. c. to RHC. 4698 Hs/Les.23/KW5.1.34. Will you please issue an order so that the Packless Gland Co. can build 12 Shock Damper Glands to Ms.1077. All the necessary parts except the bellows have… | ||
| scan0134 | Urgent request to order 12 Bellows from the Packless Gland Co. and to check lead times for a larger production order of 200. | ||
| View original record | Roy/Ms. 4698 Hs/Les.24/KW5.1.34. Will you please order 12 Bellows to F. 85875 from the Packless Gland Co. These are wanted very urgently. Will you also find out how soon the makers can supply 200 of… | ||
| scan0135 | Parts sent to the 'Packless Gland Company' for the assembly of 12 Gland assemblies. | ||
| View original record | Roy/Ms. D/BP. C/Mt. 4698 Hs/Les.22/KWB.1.34. We are sending to the Stores for despatch to the "Packless Gland Company" Windmill Road, Sundbury, Middlesex, the following parts, so that they can build… | ||
| scan0136 | Test report comparing pull and push forces of 'Packless Gland Co.' and 'Smith's Standard' calorstats at various temperatures. | ||
| View original record | 4698 9.1.34. "PACKLESS GLAND CO." CALORSTAT TESTS. E.80893. Made by "Packless Gland" Co. - As used on 1-B-4 during 10,000 miles trial. For comparison with Smith's Standard "H" Filling. Leverage 1.52:1… | ||
| scan0137 | Test report and critique of controlled shock dampers on the 22-EX experimental car, noting a hard ride at low speeds. | ||
| View original record | Hs. from Mx. X46d8 Mx16/T11.1.34. CONTROLLED SHOCK DAMPERS. I have just tried 22-EX with the altered loading. I think the effect is much more pleasing than the arrangement we now have on Production… | ||
| scan0138 | Proposal to reduce front shock damping by 50% and seeking expert opinion on the matter. | ||
| View original record | E LES See me # x4698 To Hs. from Sg. Copy to Wor.F.PY. Controllable Shock Dampers - 40/50. Sg12/Ell.1.34 I am in receipt of Hs/Les.4/KW10.1.34 relative to shock damper loading. In view of the recent… | ||
| scan0139 | Letter to The Packless Gland Co. Ltd. discussing test results and requirements for thermostats, bellows, and glands. | ||
| View original record | X4698 Exptl. Dept. Hs/Les.7/KW. 11th January, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin Hurst. Dear Sirs, Thermostats E.80893. We have… | ||
| scan0140 | Letter discussing the necessity of a starting handle on a Bentley. | ||
| View original record | -2- Hs/Les.7/KW. Thank you for the pencil: I am finding it quite useful. The answer to your question about the Bentley Starting Handle is that we don't expect a Starting Handle to be necessary. Casing… | ||
| scan0141 | Letter from a supplier discussing a dimensional discrepancy on bellows parts for order 57880, referencing drawing HS1077. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. X4698 THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0142 | Shock damper tests investigating the relationship between external pressure and ball pin load. | ||
| View original record | HS / RH SHOCK DAMPER TESTS. RELATION BETWEEN EXTERNAL PRESSURE AND BALL PIN LOAD. PII FRONT & REAR F85733 & 2. RRS469 VALVE CHAMBER ETC. Each damper was set to a definite initial ball pin load, then,… | ||
| scan0143 | Graph of shock damper test results showing the relation between external pressure and ball pin load. | ||
| View original record | SHOCK DAMPER TESTS. RRS469. GOVERNOR CONTROLLED TYPE. 40/50 H.P. FRONT. LEVER 9.350 RAD. RELATION BETWEEN EXTERNAL PRESSURE & BALL PIN LOAD. LOW PRESSURE. VERTICAL AXIS: EXTERNAL PRESSURE LB/SQ. IN.… | ||
| scan0144 | Graph from shock damper tests showing the relation between external pressure and ball pin load. | ||
| View original record | SHOCK DAMPER TESTS 11-1-34 R.R.S. 469. GOVERNOR CONTROLLED TYPE. 40/50 HP REAR. LEVER 12.635" RAD. RELATION BETWEEN EXTERNAL PRESSURE & BALL PIN LOAD. LOW PRESSURE. EXTERNAL PRESSURE LB/SQ. IN. BALL… | ||
| scan0145 | Letter to The Packless Gland Co. Ltd. regarding specifications for a flexible gland spring. | ||
| View original record | X4698 Exptl. Dept. Hs/Les.1/KW. 15th January, 1934. The Packless Gland Co.Ltd., Windmill Road, Sunbury, Middlesex. Dear Sirs, For the attention of Mr. Martin-Hurst.… | ||
| scan0146 | Letter from The Packless Gland Co. Ltd. regarding thermostats, bellows, glands and a bellows assembly. | ||
| View original record | X4698 Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO, LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0147 | Letter from a supplier requesting an increase in the allowable outside diameter tolerance for bellows on Shock Damper Valves. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. X4698 THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0148 | Letter from The Packless Gland Co. Ltd. seeking confirmation on the assumption that the internal diameter of the bellows is not important. | ||
| View original record | Messrs. Rolls-Royce Limited. increase the tolerance. We have assumed that the internal diameter of the bellows does not matter but we should like to have your confirmation on this point. Yours truly,… | ||
| scan0149 | Letter from the Experimental Department to The Packless Gland Co.Ltd. regarding manufacturing difficulties with bellows F.85395. | ||
| View original record | X4695 Exptl. Dept. Hs/Les.14/KW. 16th January, 1934. The Packless Gland Co.Ltd., Windmill Road, Sunbury, MIDDLESEX. For attention Mr. Martin-Hurst. Dear Sirs, Re your letter dated the 15th inst.… | ||
| scan0150 | Letter from The British Thermostat Co. Ltd. requesting clarification on thermostat test data and setup. | ||
| View original record | Telephone: SUNBURY 406, 446, 456. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: THERMOSTAT, SUNBURY COMMON. THE BRITISH THERMOSTAT CO., LTD. Makers of Scientific Instruments. DIRECTORS: M.… | ||
| scan0151 | Diagram illustrating the operational forces and positions of a thermostat-controlled shutter mechanism. | ||
| View original record | PUSH LB APPLIED AFTER CHANGEOVER SUPPORT PULL LB APPLIED UNTIL CHANGE OVER TEMP. LOAD THEN TRANSFERRED TO TOP OF THERMOSTAT SHUTTERS OPEN SHUTTER CLOSED LOADS GIVEN ARE THOSE REQ'D TO JUST MAINTAIN… | ||
| scan0152 | Letter from a supplier discussing bellows specifications, tolerances, and production inquiries. | ||
| View original record | - 2 - Messrs. Rolls-Royce Ltd. our files the following drawings:- Termopans F. 85875. HS.1242. F. 100692. Ex.10836. Ex.10112. Inner G. 80998. F. 100773. Indepr G. 80609. Would you be good enough to… | ||
| scan0153 | Table detailing variations in the inside and outside diameters of bellows part F.100773 from two different makers. | ||
| View original record | SHOCK DAMPER FILE. X4698 VARIATIONS IN DIAMETERS OF BELLOWS F.100773. ------------------------------------------ | MAKE | NO. TESTED | OUTSIDE DIA. | | INSIDE DIA. | |… | ||
| scan0154 | Letter from The Packless Gland Co. Ltd. regarding rejected bellows units that did not meet specified limits. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. X4698 THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0155 | Alteration to the front shock absorbers on car 22-EX to improve springing control. | ||
| View original record | Hs C F LES X4698 EP6/MH.17.1.34 re 22-EX SHOCK ABSORBER CONTROL - REDUCED LOADING ON FRONT SHOCK ABSORBERS As discussed with Mr Leslie, I certainly consider that the above alteration has improved the… | ||
| scan0156 | Letter to The Packless Gland Co. Ltd. regarding the urgent dispatch of bellows units and issues with damper load variations. | ||
| View original record | x4698 Exptl. Dept. Hs/Les.14/KW. 18th January, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin-Hurst. Dear Sirs, We telegraphed to you this… | ||
| scan0157 | Letter regarding the accuracy of bellows and a request to increase drawing limits by 600%. | ||
| View original record | -2- Hs/Les.14/KW. We will write to you again re the accuracy of bellows when our inspection department have measured various makes of bellows. It is rather a large item to be asked to increase our… | ||
| scan0158 | Telegram dispatch request to Packless Gland Co. for two bellows. | ||
| View original record | PACKLESS GLAND CO. SUNBURY, M'SEX. X4698 Whites 18.1.34. PACKLESS, SUNBURY COMMON. PLEASE DISPATCH TWO BELLOWS F.85395 MADE WITH NUMBER SIX BELLOWS. ROYCAR. | ||
| scan0159 | Urgent internal order request for 6 Bellows units similar to drawing F.85395. | ||
| View original record | Roy/MS. c. to RHC. X4698 Hs/Les.10/KW18.1.34. Will you please order 6 Bellows unit similar to F.85395, only made from the Packless Gland No. 6 Bellows. These are required urgently. Hs/I.A.Leslie. | ||
| scan0160 | Shock damper tests performed on a 40/50 model after 100 hours. | ||
| View original record | Hs/LES. Files SHOCK DAMPER TESTS X 4648 23-1-39. 40/50 BUMP - FRONT - AFTER 100 HRS. OBJECT OF TEST. To ensure that the latest production method of fastening the valve damping disc F85639 to the L.P.… | ||
| scan0161 | Report from the shock damper file on the dimensional variations of bellows, part number F.100773. | ||
| View original record | SHOCK DAMPER FILE. X4698 20.1.34 VARIATIONS IN DIAMETERS OF BELLOWS F.100773. | MAKE | NO. TESTED | OUTSIDE DIA. | | INSIDE DIA. | |… | ||
| scan0162 | Letter arranging a meeting with The Packless Gland Co. Ltd. to discuss producing Bellows to drawing limits. | ||
| View original record | X4698 Exptl. Dept. Hs/Les.12/KW.20.1.34 20th January, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, MIDDLESEX. For the attention of Mr. Martin-Hurst. Dear Sirs, The writer hopes to be… | ||
| scan0163 | Technical memorandum discussing the testing and performance of controllable shock dampers on a 40/50 HP car. | ||
| View original record | To Sg. from Hs/Les. X4698 c. to Nor. c. to E. c. to By. c. to EP. c. to Mr. c. to Em. Controllable Shock Dampers. 40/50 HP. Last Monday we were able to try the first complete production car with… | ||
| scan0164 | Test drive of car 104-MY to evaluate Controllable Shock Dampers for the 40/50 HP model. | ||
| View original record | LES X4698 To Hs. from Sg. Copy to: W.O.R.E. [struck through] BY. EP. My. Bn. Cx. Controllable Shock Dampers. 40/50 HP. Sg16/E26.1.34 Referring to Hs/Les.6/KW.25.1.34 the information given therein is… | ||
| scan0165 | Sending three radiator thermostats to the Packless Gland Co. for modification. | ||
| View original record | D/BP. c. to Roy/Ms. c. to Stores. X4698 Hs/Les.S/KW.26.1.34. We are sending into the Stores for dispatch to the Packless Gland Co., Windmill Road, Sunbury, Middlesex :- 3. Radiator Thermostats,… | ||
| scan0166 | Request to test complete cars fitted with Controllable Shock Dampers, particularly low rating sprung models. | ||
| View original record | W/S - JLE. X4698 Hs/Les.7/KW.26.1.34: Controllable Shock Dampers. -------------------------- We are very anxious to try further complete cars with the above. Can you please let us know when this will… | ||
| scan0167 | Arrangement to test a chassis fitted with controllable shock dampers. | ||
| View original record | S/W. Hs/Les. x4698 LE11/C/30.1.34. LES Re Controllable Shock Dampers. With reference to your Hs/Les7/KW26.1.34., Windovers have arranged for us to test Chassis No. 168 PY. on the 2nd proximo (Friday).… | ||
| scan0168 | Arranging a test of controllable shock dampers on a 168-PY chassis. | ||
| View original record | x4698 W/S - L.E. from Hs/Les. Hs/Les.7/KW.31.1.34. Re Controllable Shock Dampers. Re your LE.11/C/30.1.34. I am arranging to be at your sand pit test ground off the Watford by-pass at 11.30 next… | ||
| scan0169 | Letter from The Packless Gland Co. Ltd. regarding specifications and modifications for Shock Absorber Bellows. | ||
| View original record | Telephone: SUNBURY 406. LES Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO, LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0170 | Letter from The Packless Gland Co. Ltd. discussing a thermograph instrument and radiator thermostats. | ||
| View original record | - 2 - Messrs. Rolls-Royce Limited. Regarding the thermograph which we promised to lent to you for investigation work, we regret that we have not an instrument made up which has two recording pens. We… | ||
| scan0171 | Blueprint showing the specifications and dimensions of a bellows component. | ||
| View original record | DRAWING NOT TO BE SCALED. THERMOFLEX WORKS, WINDMILL ROAD, SUNBURY, MIDDLESEX. IMPORTANT NOTE FULL CONVOL. THIS END. HALF CONVOL. THIS END. 6 1/2 CONVOLUTIONS BELLOWS FREE LENGTH .636 +.050 -.000… | ||
| scan0172 | Request to order 6 main relief valve springs, part E.86018, for the Ph.II shock damper governor unit. | ||
| View original record | Roy/Ms. c. to RHC. X4698 Hs/Les.S/KW.6.2.34. Will you please order 6 main relief valve springs, E.86018, for the Ph.II shock damper governor unit. Hs/Les. | ||
| scan0173 | Notification to replace a relief valve governor spring for the Phantom II and 20/25 HP chassis. | ||
| View original record | c. Hs/Les. X4698 BY/HEB7/M.6.2.34. PHANTOM II. & 20/25 HP. CHASSIS. GOVERNOR CONTROL FOR DAMPERS SEC:7163. Please receive herewith three Blue Prints of the following:- F.86018 Spring(Relief… | ||
| scan0174 | Letter to The Packless Gland Co. Ltd. regarding the specifications, testing, and ordering of bellows. | ||
| View original record | X4698 Exptl. Dept. HS/Les.S/KW. 8th February, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin-Hurst. Dear Sirs, Thank you for your letter dated… | ||
| scan0175 | Letter requesting a by-passing thermostat and discussing the loan of a thermograph. | ||
| View original record | -2- Hs/Les.3/KW. Thank you very much for offering to lend your Thermograph. We will let you know when it is needed. At the moment other problems are taking all our time. We should like you to send us… | ||
| scan0176 | Letter to The Packless Gland Co. Ltd. regarding the design and protection of a flexible gland bellows. | ||
| View original record | X4698 Exptl. Dept. Hs/Les.5/KW. 8th February, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin-Hurst. Dear Sirs, Flexible Gland Hs.1077. We do not… | ||
| scan0177 | Feedback on alterations to controllable shock dampers and the resulting effect on steering movement. | ||
| View original record | X4698 To Hs. from Sg. Copy to Wor.Er [Strikethrough]By.EP.Mx.Dn.Cx.[/Strikethrough] Controllable Shock Dampers. 40/50 HP. Referring to Hs/Les.6/KW.25.1.34 relative to the alteration made to the amount… | ||
| scan0178 | Internal order request for 12 bellows units. | ||
| View original record | Roy/Ms. c. to RHC. X4698 Hs/Les.3/KW.9.2.34. Will you please order 12 bellows units similar to F.85875, using bellows No. 6. Order No. 54302. Hs/Les. | ||
| scan0179 | Shock damper and governor unit specification for model 28-EX. | ||
| View original record | To RHC. X4675 T 7003 Hs/Les.2/KW.9.2.34. Shock Damper Specification for 28-EX. ------------------------------------ SHOCK DAMPERS. (1) 400 lbs/In. rating valve spring F.86005. (2) Glands Hs.1077. (3)… | ||
| scan0180 | Letter to The Packless Gland Co. Ltd. detailing measurement inaccuracies found in a batch of Bellows Units. | ||
| View original record | X4678 Exptl. Dept. Hs/Les.7/KW. 9th February, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. For attention Mr. Martin-Hurst. Dear Sirs, Bellows Unit F.85395. With regard to your… | ||
| scan0181 | Letter providing gauge specifications for the inside diameter of bellows and discussing faulty parts. | ||
| View original record | -2- Hs/Les.7/KW. Gauge for inside dia. of Bellows. Outside GO 1.029 dia. NOT GO 1.039 We suggest that you should make similar gauges for your own use. We are not sending you the faulty bellows back,… | ||
| scan0182 | Proposed modifications to the Damper Control Pump. | ||
| View original record | To BY. from HDY. c. EGT, Hs. Dav. RHC. [Handwritten Notes] KBS See Gpa Matt HDY.1/HP.9.2.34. Damper Control Pump. The Experimental Department have asked for a larger pressure release valve on the pump… | ||
| scan0183 | Letter from The Packless Gland Co. Ltd. discussing a proposed guard to protect flexible gland bellows, enclosing drawing BGA. 1687. | ||
| View original record | Telephone: SUNBURY 406. LES Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO. LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0184 | Blueprint showing two schemes for a gland for shock dampers. | ||
| View original record | THE PACKLESS GLAND CO. LTD. THERMOFLEX WORKS, WINDMILL ROAD, SUNBURY, MIDDLESEX. DRAWING NOT TO BE SCALED ALTERATIONS 2 5/8" O.D. 1 5/8" I.D. SCHEME 1 BRASS GUARD 16 SWG. PRESS FIT ON PACKING CARRIER.… | ||
| scan0185 | Letter from The Packless Gland Co., Ltd. regarding the testing and modification of bellows. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0186 | Letter from a supplier discussing the specifications and pricing of bellows and thermostats. | ||
| View original record | - 2 - Messrs. Rolls-Royce Ltd. a note being added to the drawing that the bellows must compress at least 1/8" without the convolutions becoming solid. This allows us the necessary latitude in… | ||
| scan0187 | Letter from a supplier regarding bellows units failing gauge tests and discussing manufacturing limits. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO, LTD. MAKERS OF THERMOFLEX DIRECTORS: M. PAYNE. W. A. PAYNE. W. F. F.… | ||
| scan0188 | The despatch of 4 Shock Damper Glands for modification. | ||
| View original record | D/BP. c. to Roy/Ms. c. to Stores. X4698 Hs/Les.14/KW.14.2.34. GLANDS Hs.1077. We are sending into the Stores for despatch to The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex, 4 Shock… | ||
| scan0189 | Letter to a supplier regarding the quality control inspection and rejection of bellows units. | ||
| View original record | X4698 Exptl. Dept. HS/Les.11/KW. 14th February, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. Dear Sirs, BELLOWS UNIT F.85395. We have inspected a further 50 units which have… | ||
| scan0190 | Letter to The Packless Gland Co. Ltd. regarding design modifications and issues with gland units. | ||
| View original record | x4698 Exptl. Dept. Hs/Les.12/KW. 14th February, 1934. The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. Dear Sirs, GLAND Hs.1077. We are now erecting the first of these units and find… | ||
| scan0191 | Modifications to the Shock Damper Body F.59948 P.2. for 20/25 & Bentley models. | ||
| View original record | x4698 To BY. from HDY. HDY.1/HP.14.2.34. c. Wor. E. Hs. RHC. KES Shock Damper Body F.59948 P.2. 20/25 & Bentley. At the request of the Experimental Department we have modified the above damper body,… | ||
| scan0192 | Investigating a prematurely worn shock absorber piston pad that was incorrectly fitted in a soft, unhardened state. | ||
| View original record | x469S Shock Damper File. KES Hs. from Sft. By: Sft6/BH.21.2.34. With reference to the worn Pad in the Shock Absorber Piston shown to me by your Mr. Leslie yesterday, we have investigated this case,… | ||
| scan0193 | Blueprints for a new joint for the Phantom II, 20/25 HP, and Bentley chassis. | ||
| View original record | [REDACTED] C. Ha/Les. X4698 BY/HB12/M.23.2.34. PHANTOM II. 20/25 HP. & BENTLEY CHASSIS. *************************************** FRONT AXLE CONTROL DAMPER SEC:7160. REAR SHOCK DAMPER SEC:7190.… | ||
| scan0194 | Instructions for producing and fitting new parts for a Phantom II chassis rear shock damper, specifically a strengthened intermediate lever. | ||
| View original record | R.R.C. [crossed out] W.O./L.D. [crossed out] c. Hs/Les. x4698 BY/HEB14/M.23.2.34. PHANTOM II. CHASSIS. REAR SHOCK DAMPER SEC:7150. STRENGTHENED INTERMEDIATE LEVER "N"SCH:3983. Please receive herewith… | ||
| scan0195 | Request to manufacture two pairs of rubber-loaded shock damper links for the Phantom II, as per drawing Hs.1313. | ||
| View original record | x 4698 To RHC. Hs/Les.7/KW.28.2.34. Shock Damper Connecting Tubes - Ph.II. Will you please make 2 pairs of rubber loaded shock damper links, to Hs.1313. Hs/Les. | ||
| scan0196 | Brief notes for a press story on shock absorber controls. | ||
| View original record | S/W. Hs...from Bkl. Bkl.14/WT28.2.34. Rolls-Royce Shock Absorber Controls. I shall be shortly dealing with the above in the press and I would like you to give me some rough notes as to how this… | ||
| scan0197 | Comparison of controllable shock dampers with the competitor Telecontrol Hartford system. | ||
| View original record | W/S. Bkl. From Hs/Les. Hs/Les.16/KW.1.3.34. R.R. Controllable Shock Dampers. Bkl.14/WT.28.2.34. The only competitive shock damper control in this country is the Telecontrol Hartford. The H.T.3… | ||
| scan0198 | Page 2 of a technical memo detailing the damper, carburettor, and control systems. | ||
| View original record | -2- Hs/Les.16/KW.1.3.34. The increased damper loads make the car safer for braking at high speeds, as the axles do not leave the ground so easily. There is a safety release valve in the control system… | ||
| scan0199 | Axle movement test results comparing the efficiency of Telecontrol Hartford and R.R. Hydraulic shock dampers. | ||
| View original record | x4698 1.3.34 AXLE MOVEMENT TESTS - 22-EX. Tests carried out to determine the efficiency of Telecontrol Hartford Shock Dampers as compared with Governor Controlled Hydraulic R.R. Dampers. Speed… | ||
| scan0200 | Requesting a drawing modification for gland packing length based on experimental findings. | ||
| View original record | x4698 By/HEB. From Hs/WB. Hs/WB.2/MA.1.3.34. FB967 GLAND PACKING. N.SCH.3941 INDIVIDUAL CONTROL DAMPER. The length of tallowed single ply asbestos rope required to make FB697 gland packing has been… | ||
| scan0201 | Request for information about new shock absorbers for a press announcement. | ||
| View original record | X4698 S/W Hs.....from Bkl. Bkl.12/WT2.3.34. I shall be glad if you will let me have the information asked for about the new Shock-Absorbers as fitted to the 40/50 H.P. by Monday morning. It has been… | ||
| scan0202 | Requesting to add the inside diameter dimension to the drawing for Shock Damper Bellows F.85395. | ||
| View original record | x4698 To By. Hs/Les.1/KW.3.3.34. Shock Damper Bellows - F.85395. At the moment we have no internal bellows dimension given on the drawing. Will you please add that the inside diameter should be 1.040"… | ||
| scan0203 | Description of the controllable shock damper system and its advantages over fixed load dampers. | ||
| View original record | W/S. Bkl. From Hs/Les. Hs/Les.2/KW.3.3.34. R.R. Controllable Shock Dampers. Bkl.14/WT.28.2.34. Up to the present the damping applied to the road springs of a car has been a compromise to deal with all… | ||
| scan0204 | Description of the working scheme for controllable shock dampers. | ||
| View original record | W/S - Bkl. HS/Les.14/KW.5.3.34. R.R. Controllable Shock Dampers: With reference to your 'phone message to-day, we are enclosing blue prints of the governor unit and a rear shock damper. The actual… | ||
| scan0205 | Description of how oil pressure in a control system varies the load on shock dampers via a metal bellows. | ||
| View original record | -2- Hs/Les.14/KW.5.3.34. Oil pressure in the control system varies the load of the dampers by compressing a metal bellows. The movement of the bellows puts more load on the shock dampers by increasing… | ||
| scan0206 | Letter to The Super Oil Seal Manfg. Co. requesting information and samples of a Patent Gland for a Shock Damper Shaft. | ||
| View original record | x4678 Exptl. Dept. Hs/Les.4/KW. 6th March, 1934. The Super Oil Seal Manfg.Co. (England) Ltd., River Lee Road, Tyseley, Birmingham 11. Dear Sirs, We should like to try your Patent Gland for a Shock… | ||
| scan0207 | Arranging for Mr. Clark to make sketches of controllable shock absorbers and requesting a car for his arrival. | ||
| View original record | X4698 S/W. Hs...from Bkl. Bkl.10/WT6.3.34. I am sending Mr. Clark to make the sketches of the more interesting parts of the R.R. controllable shock absorbers. He will reach the Works about 11.30 on… | ||
| scan0208 | Fitting controllable shock dampers and reconditioning road springs on a 25 HP car. | ||
| View original record | x4698 To RHC. Hs/Les.14/KW.8.3.34. 18-G-IV. Controllable Shock Dampers. In order to ensure the minimum delay with regard to 25 HP. controllable shock dampers, it has been decided that no work shall be… | ||
| scan0209 | Letter from Super Oil Seal Manfg. Co. regarding an enquiry for 'Perfect' Oil Seals for a shock damper shaft. | ||
| View original record | X4648 SUPER OIL SEAL MANfg. CO. (ENGLAND) LTD. Director: H. E. CRESSMAN (AMERICAN) MANUFACTURERS FOR EUROPE OF THE "PERFECT" OIL SEAL (PATENTED) TELEPHONE: ACOCKS GREEN 1437. TELEGRAMS: "OILSEAL,… | ||
| scan0210 | Request to manufacture five Hydraulic Locking Devices for shock dampers. | ||
| View original record | x4698 To RHC. Hs/Les.6/KW.12.3.34. Shock Dampers. Will you please make five Hydraulic Locking Devices, to Hs.1330. Hs/Les. | ||
| scan0211 | Letter to The Packless Gland Co. regarding revised inspection limits for bellows dimensions. | ||
| View original record | x4698 Exptl. Dept. Hs/Les.12/KW. 12th March, 1934. The Packless Gland Co., Windmill Road, Sunbury, Middlesex. For the attention of Capt. Payne. Dear Sirs, With regard to your telephone conversation… | ||
| scan0212 | The return of six blueprints for new shock absorbers. | ||
| View original record | Hs...from Bkl. x4698 Bkl.1/WT12.3.34. I am returning you the six blue prints in connection with the new shock absorbers which you kindly sent down here for our use. Bkl. | ||
| scan0213 | Requesting to increase the bolt diameter for the 20/25 model's rear damper mounting. | ||
| View original record | X4698 To BX. from HDY. HDY.2/HP.12.3.34 c. Wor. E. Hs. DX. R.H.C. Rear Damper Mounting 20/25. Governor Controlled Dampers. Will you kindly increase the diameter of the bolts which secure the dampers… | ||
| scan0214 | Production difficulties and revised dimensional limits for Shock Damper Bellows F.85395. | ||
| View original record | X 4698 To By. c. to E. Hs/Les.11/KW.13.3.34. Shock Damper Bellows - F.85395. The Makers are experiencing difficulty in producing bellows to our fine limits. In order to avoid delaying production we… | ||
| scan0215 | Thanking for returned shock damper system prints and requesting spare drawings. | ||
| View original record | x4698 W/S - Bk1. Hs/Les.5/KW.14.3.34. Thank you for the prints of the shock damper system returned with your Bk1.1/WT.12.3.34. If you have one or two spare copies of Mr: Clark's drawings, they would… | ||
| scan0216 | Proposed modification to the rear shock damper mounting for the 20/25 model. | ||
| View original record | To BY. from HDY. c. WOR. E. Hs. Da. RHC. Rear Shock Damper Mounting. Maximum damping loads have increased to such an extent that in our opinion it is no longer satisfactory to rely on friction to hold… | ||
| scan0217 | Letter from The Packless Gland Co. regarding an order for Bellows and Shaft Seals, discussing allowable movement and potential failures. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. Windmill Road,… | ||
| scan0218 | Letter from The Packless Gland Co. Ltd. discussing the lifespan and movement frequency of bellows. | ||
| View original record | - 2 - Messrs. Rolls-Royce Limited. The number of times that a bellows may be stretched beyond its elastic limit is relatively small, and the length of life of these units would therefore appear to… | ||
| scan0219 | Request for the manufacture of 6 shock damper bushes to drawing or specification Hs.1336. | ||
| View original record | X4698 To RHC. Hs/Les.12/KW.15.3.34. Will you please make 6 Shock Damper Bushes to Hs.1336. Hs/I.A.Leslie. | ||
| scan0220 | Modification to the spring for the Damper Control Release Valve. | ||
| View original record | X4698 To BY. from HDY. c. Copy by Ms. Dev. Wks. HDY.1/HP.16.3.34. Damper Control Release Valve. N. Sch.4019 herewith shows a modification to the spring for this valve to give better lateral control of… | ||
| scan0221 | Part replacements for the governor control to dampers on the Phantom II & 20/25 HP chassis. | ||
| View original record | c. Hs/Les. X4698 BY/HEB1/M.23.3.34. PHANTOM II. & 20/25 HP. CHASSIS. GOVERNOR CONTROL TO DAMPERS SEC:7163. IN ACCORDANCE WITH "N" SCHEME 4019. Please receive herewith two Blue Prints of:- F.86086… | ||
| scan0222 | Issues and solutions for loss of load on the 40/50 Controllable Dampers for the 28-EX car. | ||
| View original record | +4698 By: c. to E. Hs/Les.6/KW.26.3.34. 40/50 Controllable Dampers. We have experienced trouble with loss of load on our new 10,000 mile car, 28-EX. This was due to scale and dirt working through the… | ||
| scan0223 | Letter from The Packless Gland Co. Ltd. regarding bellows assemblies, quotes for shock absorber units, and technical pressure specifications. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0224 | Letter from The Packless Gland Co. Ltd. regarding a pressure test on a unit. | ||
| View original record | - 2 - Messrs. Rolls-Royce Ltd. If you care to carry out a test on one of the units which we have despatched to you, to ascertain the maximum safe pressure, and in doing so damage the bellows, we shall… | ||
| scan0225 | Letter to The Packless Gland Co. discussing issues with sticking bellows and proposing new interchangeable designs with specific compression requirements. | ||
| View original record | X4695 Exptl. Dept. Hs/Les.S/KW. 6th April, 1934. The Packless Gland Co., Windmill Road, Sunbury, Middlesex. Dear Martin-Hurst, We want to try dispensing with the Guide Fan for the Bellows F.85395, as… | ||
| scan0226 | Letter requesting consideration of a scheme to produce bellows with a specific length limit. | ||
| View original record | -2- We should be very grateful if you would consider this scheme, and let us know if this would enable you to produce bellows having a free length with an .005" limit. Many thanks for the book: I much… | ||
| scan0227 | Letter from The Packless Gland Co. Ltd. acknowledging correspondence and advising of a delay in response. | ||
| View original record | x4698 Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0228 | Letter reporting the results of pressure tests conducted on Thermoflex bellows. | ||
| View original record | Telephone: SUNBURY, 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX DIRECTORS: M. PAYNE. W. A. PAYNE. W. F. F.… | ||
| scan0229 | Letter from The Packless Gland Co. Ltd. detailing the test results of a bellows unit. | ||
| View original record | - 2 - Messrs. Rolls-Royce Limited. 0.6" by .015". At 80 lbs. the bellows failed to return by .030", and at 110 lbs by .045". No further distortion was observed until 150 lbs/sq.in was reached. No… | ||
| scan0230 | Letter from The Packless Gland Co. Ltd. discussing a scheme for bellows, recommending an internal stop to limit compression. | ||
| View original record | +4698 Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0231 | Letter from The Packless Gland Co. Ltd. proposing an internal stop for a bellows joint and requesting a drawing to create samples. | ||
| View original record | Messrs. Rolls-Royce Ltd. for the bellows joint and low temperature solder for sweating the adjustment. Would you look into the possibility of fitting an internal stop as we suggest, and if you will… | ||
| scan0232 | Letter of complaint to The Super Oil Seal Manfg. Co. regarding the poor performance of their Gland Seals during testing. | ||
| View original record | X4698 Exptl. Dept. HS/Les.17/KW. 24th April, 1934. The Super Oil Seal Manfg. Co. (England) Ltd., River Lee Road, Greet, Birmingham, 11. Dear Sirs, We have now tested two of your Gland Seals, No.… | ||
| scan0233 | Modifications to dampers and bellows, including changes in length, clearance, and suitability for different models. | ||
| View original record | LES To Hs/Les. from Hdy. HDY.1/HP.27.4.34. Dampers. Herewith is a print of N. Sch.4034 which shows the stops on the bellows. My impression is that fig.1 will be satisfactory and that variation of… | ||
| scan0234 | Recommendation on heavier damper loads for use in Belgium and the resulting hard ride. | ||
| View original record | X.695 By/Cgh. Hs/Rm.14/KW.30.4.34. Heavier Damper Loads for use in Belgium. ------------------------------------- With reference to your query re the loads for these exceptional conditions, we… | ||
| scan0235 | Letter to The Packless Gland Co. Ltd. discussing alternative schemes for fitting a stop for bellows. | ||
| View original record | 44698 Exptl. Dept. Hs/Les.4/KW. 2nd May, 1934. W. Martin-Hurst, Esq., The Packless Gland Co. Ltd., Windmill Road, Sunbury, Middlesex. Dear Martin-Hurst, Thank you for your letter of the 23rd ult. We… | ||
| scan0236 | Letter from The Packless Gland Co, Ltd. discussing adjustments for bellows assemblies based on drawing N.Sch.4034. | ||
| View original record | Telephone: SUNBURY 406. Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO, LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX WORKS.… | ||
| scan0237 | Letter to L.A. Leslie asking for a sketch with dimensions for bellows end pieces. | ||
| View original record | L.A. Leslie Esq., Messrs. Rolls-Royce Ltd. in this instance you would prefer to make the bellows end pieces or whether you would like us to do so. If the latter, I wonder whether you could let us have… | ||
| scan0238 | Unsatisfactory testing procedures for controllable shock dampers and their control systems. | ||
| View original record | To By. c. to Bft. c. to EJJ. c. to HX. c. to Wor. X 4698 Hs/Les.1/KW.5.5.34. TESTING CONTROLLABLE SHOCK DAMPERS. We are not at all satisfied with the way in which cars are still leaving the works… | ||
| scan0239 | Importance and necessity of rigorous testing procedures for controllable dampers ahead of increased production. | ||
| View original record | -2- Hs/Les.1/KW.5.5.34. With controllable dampers the importance of the correct functioning of every damper makes the whole difference as to whether the system is a success or not. At the moment as… | ||
| scan0240 | The weight of a Shock Damper Governor Unit, both empty and full of oil. | ||
| View original record | Pm. Files x4698 Shock Damper Governor Unit Wt of Governor Unit Empty 4 lbs 11oz Wt of Governor Unit full of oil. 5 lbs 4ozs. Lg | ||
| scan0241 | Test data sheet for bellows part number F.85395, showing free, compressed, and return lengths. | ||
| View original record | X 4695 BELLOWS F.85395. FREE LENGTH .742 .765 .750 .762 .760 .750 .770 .760 .770 .780 .765 .765 .725 .757 .765 .760 .775 .768 .760 .725 .772 COMPRESSED LENGTH .580 .600 .580 .570 .550 .585 .600 .600… | ||
| scan0242 | Data table showing the free length, compressed length, and return length of components. | ||
| View original record | -2- FREE LENGTH COMPRESSED LENGTH RETURNS TO .790 .600 .775 .785 .615 .775 .767 .595 .760 .785 .620 .775 .747 .585 .740 .770 .580 .758 .762 .555 .545 .760 .620 .754 .780 .585 .770 .762 .590 .735 .755… | ||
| scan0243 | Data table showing measurements for free length, compressed length, and return length of a component. | ||
| View original record | -3- FREE LENGTH COMPRESSED LENGTH RETURNS TO .758 .640 .752 .752 .575 .748 .765 .575 .750 .780 .630 .772 .770 .600 .755 .775 .595 .770 .765 .590 .758 .750 .635 .740 .772 .575 .752 .762 .565 .742 .767… | ||
| scan0244 | Failure of a strengthened intermediate lever (F.86039) and a request for a redesigned version. | ||
| View original record | X 409 s RHC. Hs/Les. 20/KW. 29.5.34. Shock Dampers. The strengthened intermediate lever F.86039 has proved to be unsuccessful on the Bumper Chassis, as the lever becomes loose on the square. In order… | ||
| scan0245 | Suggestion to modify the air chamber plug on the Damper Governor unit to prevent misuse. | ||
| View original record | LES +4695 To DY. from HUY. HUY./4/HP.6.6.34. c. Ref. W. Hs. ba. RHC. Damper Governor unit. The School of Instruction have pointed out that the plug which closes the top of the air chamber may be… | ||
| scan0246 | Suggesting modifications to the air chamber plug on a Damper Governor Unit to avoid it being mistaken for a filling plug. | ||
| View original record | V4698 To WM. from HDY. HDY.4/HP.6.6.34. c.c. Mr. E. W. Hs. Mr. RHO. Damper Governor Unit. The School of Instruction have pointed out that the plug which closes the top of the air chamber may be… | ||
| scan0247 | Internal request to order 24 Shock Damper Valve Springs with part number F.86005. | ||
| View original record | D4698 Roy/Ms. c. to RHC. Hs/Les.19/KW. 8.6.34. Will you please order 24 Shock Damper Valve Springs F.86005. Hs/I.A.Leslie. | ||
| scan0248 | Proposed anti-rolling device for the Phantom model. | ||
| View original record | I 469 b To EY. from Da. Da.6/HP.3.6.34. c. Wer. R. Hs. Hsy. WMC. Phantom - Anti-Rolling Device. Herewith is N. Sch.4064, the proposed anti-rolling device arranged attached to the shock damper levers,… | ||
| scan0249 | Design and manufacture of damper control bellows. | ||
| View original record | y4698 To BY. from HDY. c.c. Mr. E. Hs. [redacted] MDY.2/HP.15.6.34. Damper Control Bellows. -------------------- N. Sch.4034 herewith shows bellows for the damper control with stops to limit the… | ||
| scan0250 | Cover note attaching a report on work done on shock absorber valve noise. | ||
| View original record | x 4695 To E. c. to Hdy. Hs/Rm.9/KW.19.6.34. Attached is copy of a report on some work that has been done on shock absorber valve noise. It may suggest improvements to our existing valve. Hs/Rm. | ||
| scan0251 | Valve noise tests for a single valve type damper, detailing efforts to eliminate a 'squawk'. | ||
| View original record | Hs/WB.10/KW.19.6.34. Single Valve Type Damper. Valve Noise Tests. Whilst the fitting of the valve "hat" with a small diametral clearance effectively eliminated the "squawk" associated with the single… | ||
| scan0252 | Various unsuccessful attempts to hydraulically quieten a noisy valve experiencing a 'squawk'. | ||
| View original record | -2- Hs/WB.10/KW.19.6.34. Another fairly successful attempt at quietening the valve was accomplished hydraulically, by drilling a small hole from each pressure chamber, to its respective section of the… | ||
| scan0253 | Series of experiments modifying valve and damper components to resolve a 'squawk'. | ||
| View original record | -3- After that, valve modifications were abandoned, attention being next paid to the shape of the L.P. chamber. Normally the contour of the L.P. chamber is made irregular by the boss containing the… | ||
| scan0254 | Experiments using different diameter pipes to investigate and eliminate a 'squawk' noise from a valve damper. | ||
| View original record | -4- Later, instead of scrolls, copper pipes of various diameters, each 9" in length (the approximate total length of the transfer passages) were fixed in the valve chambers, so that one end of the… | ||
| scan0255 | Experiments involving adding and removing restrictions to balance L.P. and HP sides. | ||
| View original record | -5- The addition of restriction to the L.P. side definitely transferred the squawk from the L.P. to the H.P. stroke and at first it appeared the "balancing" the restrictions would have the desired… | ||
| scan0256 | Blueprint showing schematics for valve noise tests on single valve dampers. | ||
| View original record | H.P. VALVE L.P. VALVE .010" CLEARANCE QUIETENING SPRING FIG A LOW PRESSURE GUIDE PIN HIGH PRESSURE L.P. VALVE H.P. VALVE FIG B L.P. VALVE ALSO TRIED WITH SPRING ON H.P. VALVE. H.P. VALVE FIG C… | ||
| scan0257 | Diagrams for valve noise tests and single valve dampers. | ||
| View original record | 25-4-34 ¢ OF STANDARD VALVE VALVE LOWERED TO LEVEL OF TRANSFER PASSAGE FIG E PIPE SOLDERED IN POSITION FIG F RESTRICTION PIPE VALVE NOISE TESTS. SINGLE VALVE DAMPERS. ROLLS-ROYCE, LTD PRINT ROOM 19… | ||
| scan0258 | Request to build a set of 4 valves and valve chambers for shock dampers, incorporating a modification to make the low pressure load 75% of the high pressure load. | ||
| View original record | To RHC. + 4698 Hs/Les.7/KW.18.7.34. Shock Dampers. Will you please build up a set of 4 valves and valve chambers incorporating the modification to Hs.1469. This is in order to make the low pressure… | ||
| scan0259 | Arrangements to demonstrate the method of changing over shock dampers at a coachbuilder's. | ||
| View original record | BY. C. Wor. C. EP. C. HS. C. MX. X4698? Sft.1/NA.18.7.34. SHOCK DAMPERS. With reference to your memo' BY.7/G.3.7.34. please note we have arranged for JLE to deal with the Chassis available at the… | ||
| scan0260 | Design change to the main oil release hole on shock damper governor units. | ||
| View original record | To RHC. +4698 Hs/Les.9/KW.19.7.34. Shock Damper Governor Units. In future we should like all governor units to have the main oil release hole drilled to Hs.1465 instead of at the top of the spindle.… | ||
| scan0261 | Return of shock dampers and clarifying the number of modified trials cars and chassis. | ||
| View original record | X4698 W/N - Br/RH. Hs/Les.23/KW.25.7.34. Re your Br/RH.26/W.24.7.34. When all the Trials cars have been converted the odd set of 4 shock dampers should be returned to Hd., who will pass a credit note… | ||
| scan0262 | Implementing a filter for the Damper Control Unit pump on various car models. | ||
| View original record | 14698 To BY. from HDY. HDY.1/HP.25.7.34. c. for. Mr. Hs. Sc. WHC Hs/Les. Damper Control Unit. ------------------- N. Sch.4148 herewith shews a filter fitted to the suction side of the pump. Our… | ||
| scan0263 | Tests to overcome an oil leak from the Shock Damper Governor unit. | ||
| View original record | +4698 To Ey. c. to R. c. to Hsy. c. to Mr. c. to S.B. c. to WOP. Shock Damper Governor Unit Oil Leak. We have been carrying out a number of tests to overcome an oil leak which comes from the drain… | ||
| scan0264 | Alterations and issues with governor units, including oil leaks and the need for a filter. | ||
| View original record | -2- The alterations to make the governor unit satisfactory are, (1) new position oil release orifice to Rs.1465; (2) two .092" dia. vent holes in the top cover, with a layer of petrol gauze attached… | ||
| scan0265 | Requesting the fitment of an oil cleaner to shock damper governor units to address ongoing issues with dirt. | ||
| View original record | x4698 To EJJ. c. to Sft/Sct. Hs/Les.4/KW.2.8.34. Shock Damper Governor Units. Will you please fit up in the B.I.D. a Tecalemit Felt Oil Cleaner, Type O.F.470. The inlet pipe is required on the left… | ||
| scan0266 | Need for a filter on the shock damper governor unit to prevent issues with dirt. | ||
| View original record | To By. c. to E. c. to Hdy. c. to Hx. c. to Sft. c. to Wor. 1469 Hs/Les.6/KW.2.8.34. Shock Damper Governor Unit Filter, N.Sch.4148. ************************** In view of the trouble which has arisen… | ||
| scan0267 | Request for a brief summary on the RIDE CONTROL for a publicity article. | ||
| View original record | x4698 "To: "Rm". PARIS, 3rd August 1934. Dear "Rm", I am sorry to trouble you, but we are getting out some Salon publicity, and Faroux is asking me for his technical article for a very brief summary -… | ||
| scan0268 | Complaining about terrible wing and lamp movement on trial car 9 B 130 AH. | ||
| View original record | Dear RM- any cure for Wing + Lamp movement? 9 B 130 AH present trials car simply terrible, fantastic!! I do hope somthing can be done - The open cars have hardly no movement at all - Trouble seems to… | ||
| scan0269 | Brief description of the ride control and the shock absorber loading system. | ||
| View original record | Sr. (Paris). From Hs/Rm. J.698 Hs/Rm.1/MJ.7.8.34. With reference to your note of the 3rd.inst., the following is a brief description of the ride control. On the R.R. car variation in shock absorber… | ||
| scan0270 | Description of the R.R. Controllable Shock Damper system, detailing its automatic and manual adjustment capabilities. | ||
| View original record | COPY. W/S. Bkl. from Hs/Les. Hs/Les.2/KW.3.3.34. R.R. Controllable Shock Dampers. Bkl.14/WT.28.2.34. Up to the present the damping applied to the road springs of a car has been a compromise to deal… | ||
| scan0271 | The scheme of controllable shock dampers. | ||
| View original record | Copy. WS. - Bkl. Hs/Les.14/KW.5.3.34. R.R. Controllable Shock Dampers. With reference to your 'phone message to-day, we are enclosing blue prints of the governor unit and a rear shock damper. The… | ||
| scan0272 | Description of how oil pressure in a control system varies the load on dampers via a metal bellows. | ||
| View original record | -2- Hs/Les.14/KW.5.3.34. Oil pressure in the control system varies the load of the dampers by compressing a metal bellows. The movement of the bellows puts more load on the shock dampers by increasing… | ||
| scan0273 | Shock absorber tests conducted at Brooklands comparing different damper types. | ||
| View original record | 74698 SHOCK ABSORBER TESTS BROOKLANDS 9.8.34. The object was to ascertain whether the Phantom benefitted as much from Hartfords as the Bentley. It was found that for the same degree of discomfort… | ||
| scan0274 | Acknowledgement of correspondence from Paris to Derby regarding 'Ride Control'. | ||
| View original record | To "Hs/Rm" DERBY 46013? Paris Sr/Dn5/ET.13.8.34 Re: RIDE CONTROL ---------- We are in receipt of your Hs/Rm.I/AJ.7.8.34 re the above, contents of which have been duly noted, and for which we thank… | ||
| scan0275 | Letter from the Royal Arsenal inquiring about automobile suspension damping devices. | ||
| View original record | Telegrams : "FACTORIES, WOOLWICH." Telephone : WOOLWICH 0080. Our ref................ Your ref................ R.O.F. Form 5. [Postage must be Prepaid on all Letters, etc., sent to this Office.] ROYAL… | ||
| scan0276 | Letter responding to a query about the general arrangement of hydraulic shock absorbers. | ||
| View original record | 1469 Exptl. Dept. Hs/Rm.14/KW. 29th August, 1934. G. MacLeod Ross, Esq., Superintendent of Design, Royal Arsenal, Woolwich, S.E.18. Dear Sir, With reference to the query contained in your letter of… | ||
| scan0277 | Letter from the Royal Arsenal acknowledging receipt of information and drawings. | ||
| View original record | x4698 R.O.F. Form 5. Telegrams : "FACTORIES, WOOLWICH." [Postage must be Prepaid on all Letters, etc., sent to this Office.] Telephone : WOOLWICH 0080. Our ref.................... Your ref… | ||
| scan0278 | Modifications to a Damper Control Pump to make it less susceptible to foreign matter. | ||
| View original record | LES 4696 To EF. from HDY. HDY.1/HP.30.10.34. c. Wcr. E. Hs. Da. PLC. He/LES. Rm Damper Control Pump. N. Sch.4187 herewith shows springs applied to the suction and delivery ball valves of this pump,… | ||
| scan0279 | Letter from The Packless Gland Co. Ltd. concerning the inspection and packing of Shock Damper Bellows units. | ||
| View original record | Telephone: SUNBURY 456 (4 LINES) Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0280 | Letter concerning the delivery and storage of units in special boxes for Shock Dampers. | ||
| View original record | Messrs. Rolls Royce Limited. 3rd. November 1934. -2- The next delivery of these units will be in one of the special boxes which I have had made holding 48. It seems to me that there is no reason why… | ||
| scan0281 | Letter to The Packless Gland Co. Ltd. regarding the design and adjustment of bellows for shock dampers. | ||
| View original record | +4696 Exptl: Dept. Hs/Les.11/KW. 5th November, 1934. The Packless Gland Co.Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin-Hurst. Dear Mr. Martin-Hurst, Thank you for your… | ||
| scan0282 | Letter discussing modifications to the design and production of bellows to improve accuracy and reduce rejects. | ||
| View original record | -2- Hs/Les.11/KW.5.11.34. We can easily remove the guide instead of the present design of bellows, but can we make bellows to be within .005" of the correct free length ? It appears to me that this is… | ||
| scan0283 | Letter confirming the despatch of Shock Damper Valves, part number 85875, in new packaging. | ||
| View original record | Telephone: SUNBURY 456 (4 LINES) Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals. THERMOFLEX… | ||
| scan0284 | Letter to The Packless Gland Co. Ltd. regarding a consignment of Bellows and satisfaction with the new boxes. | ||
| View original record | x6698 Exptl. Dept. Hn/Les.14/KW. 8th November,1934. The Packless Gland Co.Ltd., Windmill Road, Sunbury, Middlesex. For the attention of Mr. Martin-Hurst. Dear Mr. Martin-Hurst, Thank you for your… | ||
| scan0285 | Letter from The Packless Gland Co. Ltd. concerning the satisfactory packing of bellows units to avoid future rejects. | ||
| View original record | Telephone: SUNBURY 456 (4 LINES) Codes: BENTLEY'S, WESTERN UNION. Telegrams & Cables: PACKLESS, SUNBURY COMMON. +4698 THE PACKLESS GLAND CO., LTD. MAKERS OF THERMOFLEX Bellows and Shaft Seals.… | ||
| scan0286 | Complaints and faults found with shock dampers, highlighting the need for greater care in production. | ||
| View original record | x4698 To Hy. c.c. to Eft. c.c. to Mx. c.c. to EP. c.c. to Hd. c.c. to Wor. He/Les.1G/KW.22.11.34. Shock Dampers. We recently had a complaint that one of the 25 HP. Trials Cars fitted with controllable… | ||
| scan0287 | Manufacturing suggestions for N.Sch.4231 and comments on the modified shock damper Hs.1584. | ||
| View original record | x4698 To Da. C. to E. Hs/Rm.4/KW.29.11.34. Hs/Les. made one or two suggestions to facilitate the manufacture of N.Sch.4231, which are shown on Hs.1584 attached. RHC. comments upon the modifications as… | ||
| scan0288 | Note confirming the superiority of modified Clock Dampers (Hs 1584) and authorising to proceed as drawn. | ||
| View original record | Rm The modified Clock Dampers to Hs 1584 is definitely better than N Fol. 423/1 we cannot see any further improvements at the moment so therefore proceed to Lel as drawn Hs 1584 H C Will reply to the… | ||
| scan0289 | Request to manufacture and modify parts to test Delco inertia type shock dampers. | ||
| View original record | To RHC. *4698 Hs/Les.2/KW.17.1.35. Will you please make :- 4 off Hs.1710 4 " Hs.1711 4 " Hs.1712 4 " Hs.1713 also modify 4 K.L.G. plug centres to Hs.1714. These parts are in order to ascertain when… | ||
| scan0290 | Preliminary tests of automatic lock shock dampers designed to relieve discomfort over hump-backed bridges. | ||
| View original record | To E. FILE ONLY +469 Hs/Les.1/KW. 26.3.35. Automatic Lock Shock Dampers to relieve discomfort over Hump-Backed Bridges. We have now carried out preliminary tests with the type of damper as mentioned… | ||
| scan0291 | Return of a De Ram shock absorber and the purchase of another for endurance testing. | ||
| View original record | X4698 W/P - Sr. Hs/Rm. 9/KW. 29.4.35. De Ram Shock Absorbers. ----------------------- We are going to return Mr. De Ram's shock absorber to him. We want to buy another one off him erected ready for… | ||
| scan0292 | Testing of Auto-Lock Shock Dampers and the urgent need for parts for a specially designed indicator. | ||
| View original record | 4698 To RHC. Hs/Les.7/KW.1.5.35. Testing Auto-Lock Shock Dampers. In order to test the functioning of these dampers on the road we shall need to measure the internal damper oil pressure corresponding… | ||
| scan0293 | Modification to the governor control dampers to improve performance during severe braking. | ||
| View original record | To E. c. to Hdy. c. to Da. c. to Hy. c. to Wor. X179 Severe Braking with Governor Control Dampers (Minimum Damping). During severe braking the load of our dampers diminishes right down to the fixed… | ||
| scan0294 | Request to design a braking inertia control unit to resolve issues with damper loads on Bentley cars for different markets. | ||
| View original record | -2- Hs/Les.4/KW.13.6.36. We should like you to prepare a design for a braking inertia control built inside the governor unit, as we hope this will enable us to avoid using such high initial damper… | ||
| scan0295 | Letter to The Packless Gland Co. Ltd. requesting updated lists of bellows sizes. | ||
| View original record | X1292 Exptl. Dept. Hs/Les.10/KW. 24th June, 1935. W. Martin-Hurst Esq., The Packless Gland Co.Ltd., Windmill Road, Sunbury, Middlesex. Dear Martin-Hurst, I wonder if you have any later lists of… | ||
| scan0296 | Complaints of shock damper knocks, identifying slack bushes as the cause and requesting a return to original tightness. | ||
| View original record | To Sft. c. to By. c. to Mx. c. to Hdy. X702 1292 Hs/Les.S/KW.11.5.36. Shock Damper Knocks. (All Cars except Ph.III Front). We are experiencing a number of complaints from Cricklewood, Paris and Derby… | ||
| scan0297 | Action programme and findings regarding shock damper knocks. | ||
| View original record | X242 To Rm. Hs/Les.12/KW.17.8.36. SHOCK DAMPER KNOCKS PROGRAMME. (1) 6-B-IV is fitted with tight bearings requiring 10 lbs. ball pin load to rotate the shaft. (2) 2 car sets of hardened shafts are… | ||
| scan0298 | The suitability of an American construction method for roll rod and shock damper levers and links. | ||
| View original record | To E. c. to By. c. to Da. X42 Hs/Les.5/KW.5.10.36. American Construction for Roll Rod and Shock Damper Levers and Links. Attached are a few preliminary results of tests which have been done to… | ||
| scan0299 | Analysis of soft levers, connecting links, and roll rod designs for various car models. | ||
| View original record | -2- Hs/Les.5/KW.5.10.36. The following designs show soft levers pressed on to the soft knurled shafts - 1. 25 HP. Front Roll Rod, N.Sch.4803. 2. Ph.III " " N.Sch.4763. 3. Ph.III Rear " LeC.4995. 4.… | ||
| scan0300 | The performance of Munro links and silent-bloc bushes for the roll rod. | ||
| View original record | -3- Hs/Les.5/KW.5.10.36. The Munro links which E/Psn brought back from America have much greater flexibility than any silent-block bush that we have tried. If the bumper tests now commencing are… | ||
| scan0301 | Test report on the Bentley Roll Rod Lever. | ||
| View original record | HS/WB.4/JH.25.8.36. Bentley Roll Rod Lever Tests. Ex.22113. Lever. Herewith results of tests upon knurled roll rod shaft and lever. The graph illustrates that very little movement of the lever… | ||
| scan0302 | Serration shearing test report for a Bentley roll rod lever. | ||
| View original record | BENTLEY ROLL ROD LEVER TESTS SERRATION SHEARING TEST RAD OF MEASURING ARMS 6.000 CENTRES OF LEVER 7.750 LOAD LBS | TORQUE LB-FT | - DEFLECTIONS - DEGS - | A | B | A-B 0 | 0 | 0 | 0 | 0 20 | 12.9 | 0 |… | ||
| scan0303 | Graph and diagram detailing the results of a Bentley Roll Rod Lever serration shearing test. | ||
| View original record | DEFLECTIONS AT "A" "B" BENTLEY ROLL ROD LEVER TESTS. SERRATION SHEARING TEST. EX 22113 TORQUE LB-FT DEFLECTION - DEGREES = 6.000" 7.750" | ||
| scan0304 | Test report on a shock damper connecting tube with American type rubber control pin bushes. | ||
| View original record | To Hs/Les. Hs/WB.1/JH.3.9.36. Shock Damper Connecting Tube. American Type - Rubber Control Pin Bushes. With the control pin fixed, a gradually increased load was applied along the central axis, of the… | ||
| scan0305 | Torsional rating test and hysteresis curve for an American type shock damper connecting tube's rubber control pin bushes. | ||
| View original record | SHOCK DAMPER CONNECTING TUBE AMERICAN TYPE - RUBBER CONTROL PIN BUSHES. TORSIONAL RATING TEST - i-e TORQUE REQUIRED TO ROTATE TUBE ABOUT CENTRAL AXIS OF CONTROL PIN. HYSTERESIS CURVE UP TO 45°… | ||
| scan0306 | Rating test graph showing deflection versus load for American type rubber control pin bushes. | ||
| View original record | SHOCK DAMPER CONNECTING TUBE AMERICAN TYPE - RUBBER CONTROL PIN BUSHES RATING TEST LOAD W. DEFLECTION - INS. .025 .020 .015 .010 .005 LOAD - LB 100 200 300 400 500 | ||
| scan0307 | Graph plotting load versus rebound to show tyre and spring deflections with and without a roll rod. | ||
| View original record | GAE 20 TYRE AND SPRING DEFLECTIONS (5 1/2" INITIAL DEFLECTION SPRINGS) LBS LOAD ON FRONT WHEELS 2,200 2,000 1,800 1,600 1,400 1,200 1,000 REBOUND 3" 2" 1" NORMAL POSITION 270 LBS PER INS 305 LBS PER… | ||
| scan0308 | Hardness test results for a 'Delco' double lever type damper shaft and inter-lever. | ||
| View original record | 'DELCO' DOUBLE LEVER TYPE DAMPER, SHAFT HARDNESS TESTS, 700 BRINELL AT BOTTOM OF SERRATION, 571 BRINELL, 695 BRINELL, INTER - LEVER, 720 BRINELL, ROOT OF SERRATIONS, 724 TO 743 BRINELL, CORE, 285… | ||
| scan0309 | Graph comparing Torque in LB/INS against Deflection in Degrees for various link and roll rod components. | ||
| View original record | DEFLECTION - DEGREES TORQUE - LB/INS. AMERICAN LINK BENTLEY ROLL ROD E.2113 E.21020 25 HP EX + N.SCH. LINK E.2088 BENTLEY LINK E.2134 E.2285 25 HP N. SCH. ROLL ROD 25 HP EX ROLL ROD SILENTBLOC LTD… | ||
| scan0310 | The testing of a shock damper connecting tube with American type rubber control pin bushes. | ||
| View original record | To Hs/Les. Hs/WB.25/KW.9.10.36. Shock Damper Connecting Tube. American Type - Rubber Control Pin Bushes. Further to previous report Hs/WB.1/JH.3.9.36. This particular tube had been tested on the Bump… | ||
| scan0311 | Graph showing the torsional rating and hysteresis curve for a shock damper connecting tube with American type rubber control pin bushes. | ||
| View original record | SHOCK DAMPER CONNECTING TUBE AMERICAN TYPE - RUBBER CONTROL PIN BUSHES TORSIONAL RATING TEST - TUBE REMOVED AFTER FAILURE ON BUMP CHASSIS. HYSTERESIS CURVE UP TO 40° MOVEMENT. TEST THEN REPEATED UP TO… | ||
| scan0312 | Rating test graph for a shock damper connecting tube, plotting deflection against load after failure. | ||
| View original record | SHOCK DAMPER CONNECTING TUBE AMERICAN TYPE - RUBBER CONTROL PIN BUSHES. RATING TEST - TUBE REMOVED AFTER FAILURE ON BUMP. CHASSIS. (FOR PREVIOUS TESTS SEE REPORT HS/WB.I/JH 3-9-36) DEFLECTION - INS… | ||
| scan0313 | Failure of force fit knurled assemblies and exploring alternative solutions. | ||
| View original record | LES. Believe you are dealing with this Rm. 189#2 Rm. c. Sft. RHC. Da. Hdy. EV. E.5/HP. 6.11.36. re Force Fit Knurled Assemblies. The figures obtained experimentally for the driving torque and slip… | ||
| scan0314 | Forced fit knurled assemblies, comparing the methods of knurling and surface broaching for hydraulic shock dampers. | ||
| View original record | 12972 1292 To H. from Rm/Les. c.c. to Sft. c.c. to HEC. c.c. to Da. c.c. to Hdy. c.c. to HV. FORCED FIT KNURLED ASSEMBLIES. Referring to E.S/RP.6.11.36. Gordon Armstrong can sell a set of four… | ||
| scan0315 | Design, materials, and manufacturing of rubber connecting links for roll rods and shock absorbers. | ||
| View original record | To EY. Copy to Rm. Ray/Lee. HME Kemp/HFD. 2AS E/EV.2/MN.30.11.36. 12982. Rubber Connecting Links to Roll Rods and Shock Absorbers - All Cars. ------------------------ Although the following remarks… | ||
| scan0316 | Alternative manufacturing methods for tubing and forged components. | ||
| View original record | -2- be better to use the same construction as for the smaller tube, i.e. a parallel bore with two separate distance collars. Lastly we would like the Works to tell us whether they think it is possible… | ||
| scan0317 | Request to produce four knife edges for a shock damper test rig. | ||
| View original record | 242 1292. HPS. from Rm/Les. Rm/Les2/R.1.1.37. SHOCK DAMPER TEST RIG. Rm.287. Will you please produce 4 knife edges to Rm/Les. | ||
| scan0318 | Issues and modifications for the Wraith II front suspension shock damper valve block. | ||
| View original record | SECRET To BY. Copy to Ss. Rm. HW. Hayles. 1293 E/Ev.1/WN.4.1.37. Shock Damper Valve Block, Front Suspension - Wraith II. -------------------------------------------------- The Expl. Dept. have… | ||
| scan0319 | Requesting a report on the assembly method for American-style rubber-ended connecting links for roll rods. | ||
| View original record | To Rm. Copy to Da. BY Rm/Les. Handwritten: Les Please issue a report Rm Re Rubber Ended Connecting Links for Roll Rods ---------------------------------------------- In using the rubber ended… | ||
| scan0320 | Request to produce parts from drawings for a shock damper test rig. | ||
| View original record | To HPS. Rm/Les.4/JH.29.1.37. SHOCK DAMPER TEST RIG. Will you please produce one part to each of the following drawings :- Rm.297. Rm.298. Rm.299. Rm.300. K.4346. K.4334. These are required in order to… | ||
| scan0321 | The inability to reproduce the assembly method for American type rubber loaded connecting links from the Munro Factory. | ||
| View original record | To E. from Rm/Les. c. to Da. c. to Ev. Rm/Les.4/AP.5.2.37 AMERICAN TYPE OF RUBBER LOADED CONNECTING LINKS. Re E/Ev.4/MN.22.1.37. Up to the present, we are unable to discover how the Munro tube has… | ||
| scan0322 | Shock damper bearings in relation to specific vehicle models and the development of quieter dampers. | ||
| View original record | W/K. To Rm/GWH. from Rm/Les. Rm/Les.2/AP.5.2.37. SHOCK DAMPER BEARINGS. Re your note of the 3rd inst. 38-EX. had only done 2050 miles last Monday. I presume that you therefore mean 34-EX., which has… | ||
| scan0323 | Design and testing of serrated pressed fits for levers and ball pins on Wraith II and Phantom III models. | ||
| View original record | To BY. From Ev. Copy to Be. Rm. RHC. HPS. Rm Les. WS. 1292 E/Ev.1/MN.2.3.37. Re Serrated Pressed Fits For Levers and Ball Pins. On various schemes for Wraith II and Phantom III we have called for… | ||
| scan0324 | Summary of experience and testing on rubber joint connecting tubes for the Phantom III and Wraith models. | ||
| View original record | 1292 To E/De. from HPS. C. to E/MV. C. to BI. C. to Rm. HPS.5/VS.4.8.37. RUBBER JOINT CONNECTING TUBES. Further to our recent comments in connection with the above, the following is a summary of our… | ||
| scan0325 | Modifications to the Wraith II type end plug and bump chassis to overcome a fitting difficulty. | ||
| View original record | - 2 - HPS.5/VS.4.3.37. This modified Wraith II type end plug was devised to overcome this difficulty, an extended lug being provided to register with the tube slot before the rubber came under… | ||
| scan0326 | Graph showing the torsional stiffness of a ball-pin for a Wraith II shock damper rubber connecting tube. | ||
| View original record | WRAITH II SHOCK DAMPER RUBBER CONNECTING TUBE LEC 5160 TORSIONAL STIFFNESS OF BALL-PIN RUBBER PADS FN 600 SHORTENED .050" ANGLE OF TWIST - DEGREES 50 40 30 20 10 0 TORQUE - LB. FT. 0 1 2 3 4 5 6 | ||
| scan0327 | Graph showing the torsional stiffness of a Phantom III shock damper rubber connecting tube ball pin. | ||
| View original record | PHANTOM III SHOCK DAMPER RUBBER CONNECTING TUBE N SCH 4880 17-2-37 TORSIONAL STIFFNESS OF BALL PIN RUBBER PADS F 89077 ANGLE OF TWIST - DEGREES TORQUE - LB.FT. | ||
| scan0328 | Graph plotting load versus deflection for a Phantom III shock damper rubber connecting tube ball-end. | ||
| View original record | PHANTOM III SHOCK DAMPER RUBBER CONNECTING TUBE NSCH 4880 10-2-37 DISPLACEMENT OF BALL-END RUBBER PADS F89077 DEFLECTION - INS .010 .020 .030 .040 .050 .060 .070 LOAD - LB. 0 200 400 600 800 1000 | ||
| scan0329 | Graph plotting load versus deflection for a Wraith II shock damper rubber connecting tube ball-end. | ||
| View original record | WRAITH II SHOCK DAMPER RUBBER CONNECTING TUBE LEC 5160 10-2-37 DISPLACEMENT OF BALL-END. RUBBER PADS FN 600 SHORTENED .050" DEFLECTION - INS. .100 .080 .060 .040 .020 LOAD - LB. 0 200 400 600 800 1000 | ||
| scan0330 | Blueprint detailing modifications to rubber joint connecting tubes, end plugs, and pads for the Wraith II chassis. | ||
| View original record | WRAITH II LEC 5160 RUBBER JOINT CONNECTING TUBES FW 852 END PLUG RELIEVED .005 INCREASED FROM .625" RAD TO .640" RAD MODIFICATION APPLIED ALTERNATIVE SUGGESTION. TO BUMP CHASSIS. FW 851 END CAP BORE… | ||
| scan0331 | Failures in the shock damper governor units and the decision regarding the inclusion of a filter. | ||
| View original record | 1292 2/Hdy. from Rm/Les. c. to E. c. to Da. c. to By. c. to Mx. c. to MS. Rm/Les.15/AP.22.3.37. SHOCK DAMPER GOVERNOR UNITS. Re. T/Hdy.2/HP.19.3.37. We think Ph.III. should retain the governor unit… | ||
| scan0332 | Performance and proposed testing of rubber-ended connecting links for roll rods and shock absorbers on Phantom III and Wraith chassis. | ||
| View original record | To Rm. Copy to Hs. E. Da. By. HPS. Rm/Les. Re: Rubber Ended Connecting Links for Roll Rods and Shock absorbers. The Munro type of rubber ended connecting link which we have tested on the rear roll rod… | ||
| scan0333 | Blueprint showing specifications for modified American-style ball pins for connecting tubes. | ||
| View original record | .437 DIA. .475 Sph. RAD. .950 DIA. UNALTERED. .275 FOR 1.000 BORE TUBE STEM TO BE MACHINED TO SUIT THE PARTICULAR APPLICATION FOR WHICH THE BALL PIN IS INTENDED. .475 DIA. .537 Sph. RAD. 1.075 DIA.… | ||
| scan0334 | Request to produce 12 sets of rubber glands and associated parts for shock dampers. | ||
| View original record | HPS. from Rm/Les. 1292 Rm/Les.1/AP.24.5.37 SHOCK DAMPER GLANDS. Sg. has asked that we should try rubber glands on our dampers, in view of the satisfactory results now obtained on Luvax dampers. Will… | ||
| scan0335 | Outlining the development work required on shock dampers, noting the advantages of the Armstrong damper. | ||
| View original record | HPS. c. W. Bell. 1292 also 1293 Rm/Les2/R.27.5.37. WORK REQUIRED ON SHOCK DAMPERS. The attached list outlines the development work required on Shock Absorbers. We should like arrangements to be made… | ||
| scan0336 | Outlining a development and testing programme for shock dampers and suspension rigs. | ||
| View original record | SHOCK DAMPER PROGRAMME. ARMSTRONG DAMPERS. Damper valve Rm.366. We should like a report of this valve. In order to use rod control dampers we need a valve whose spring load is considerably less than… | ||
| scan0337 | Technical memo detailing requirements and tests for damper rigs, links, suspension, and glands to reduce noise. | ||
| View original record | -2- DAMPER RIGS. E. We need a rig for noise tests of rear dampers. The noise which is causing most complaint is audible on our dampers when there is practically no amplitude of movement. We,… | ||
| scan0338 | Quotation from Ferranti Ltd. for synchronous stop clocks. | ||
| View original record | ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY 1292 FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. TELEGRAMS: FERRANTI, HOLLINWOOD TELEPHONE: FAILSWORTH 2000 (PRIVATE… | ||
| scan0339 | Specification sheet for a Ferranti synchronous electric stop clock. | ||
| View original record | F E R R A N T I. SYNCHRONOUS ELECTRIC STOP CLOCK. Our new self-starting synchronous motor has been embodied for driving purposes in an electrical stop clock. The movement is contained in a 6" dial… | ||
| scan0340 | Photograph of a Ferranti stopwatch with a large seconds dial and a smaller minutes sub-dial. | ||
| View original record | 9 8 7 6 5 4 3 2 1 0 MINUTES 9 8 7 6 5 4 3 2 1 0 FERRANTI SECONDS | ||
| scan0341 | Investigation into recurring complaints of knocking shock dampers and the subsequent actions taken. | ||
| View original record | To. By & Fm.....From RHC/GTH. 1292. RHC/GTH.1/MC.10.6.38. Handwritten Note: A.F.M. You should see C.W.H. about this Rm RE SHOCK DAMPERS In view of recurring complaints of damper knocks, it was… | ||
| scan0342 | Testing and inspection results for various chassis rear dampers. | ||
| View original record | REPORT Chassis. | Date of Chassis to Test. | Description. | Action Taken GOH-8 Memo Br/GL/M. 16.3.38. | 25. 5. 35. | Pair 25/30 Rear Dampers. Mileage unknown. | Handed to Les. who reports that they do… | ||
| scan0343 | Log detailing the inspection, testing, and actions taken on rear dampers for various chassis. | ||
| View original record | Chassis. 3-BT-89 Memo Br/BK4/W 1.2.38. GTK-17 Memo Br/G.30/G. 24.3.38. GCJ-36 Memo Br/G30/G. 7.4.38. GAR-42 Memo Br/GL/G. 21.4.38. Date of Chassis to Test. 17. 2. 37. 8. 2. 36. 2.11. 35. 4.11. 37.… | ||
| scan0344 | Log sheet detailing tests and actions taken on various chassis dampers. | ||
| View original record | Chassis. GAR=42 Cont'd. GLG-18 Memo Br/G2/G. 28.5.38. 3-BU-108 Memo Br/GL/G. 31.5.38. Date of Chassis to Test. 30. 8. 35. 23.12.36. Description. One 25/30 Rear Damper. Mileage 6,400. Pair Ph.III.Rear… | ||
| scan0345 | Request to alter the mould for Rubber Damper Glands (Rm.379) with new dimensions. | ||
| View original record | 11292 ✓ HPS. from Rm/Les. Rm/Les4/R.21.6.37. Rubber Damper Glands (Rm.379). Will you please alter the mould for the above rubbers so that the:- outside diameter is 2.500 bore is 1.187 Rm/Les. | ||
| scan0346 | Microscopic views showing the surface and edge of a spring. | ||
| View original record | SPRING SURFACE, EDGE | ||
| scan0347 | Letter from British Tyre & Rubber Co. Ltd. confirming the price for rubber mouldings. | ||
| View original record | BRITISH TYRE & RUBBER CO. LTD. FORMERLY BRITISH GOODRICH RUBBER CO. LTD. TELEPHONE. BURTON-ON-TRENT 2977 (2 LINES). TELEGRAMS: "BRITGOODS, BURTON-ON-TRENT." Handwritten: P4/58a 1292 DIRECTORS: SIR… | ||
| scan0348 | Request to produce 12 more damper bushes with a 2° taper to prevent the rubber in Duprene glands from creeping. | ||
| View original record | 1292 HPS. from Rm/Les. Rm/Les.1/AP.16.9.37 DUPRENE GLANDS FOR SHOCK DAMPERS Rm.379. These have given very encouraging results on 32-EX., although there has been a slight tendency for the rubber to… | ||
| scan0349 | Request to send a covering order for rubber mouldings to the British Tyre & Rubber Co., Ltd. | ||
| View original record | 1292 Roy/Ms. c. G/JWH. Rm/Les9/R.8.7.37. Will you please send a covering order to the British Tyre & Rubber Co.,Ltd., Burton, for:- 4 Rubber Mouldings Ex27714 price 1/3d each. These were ordered by… | ||
| scan0350 | Instruction to fit Duprene damper glands to specific vehicle chassis. | ||
| View original record | HPS. from Rm/Les. c.Wym. DUPRENE DAMPER GLANDS. Will you please fit the Duprene glands, instructed in Rm/Les.1/AP.16.9.37. to the rear dampers on the following chassis - 97 32-EX. 39-EX. Ph.III… | ||
| scan0351 | Request for an opinion on the performance ('figure of merit') of hydraulic shock absorbers regarding freedom from knocks. | ||
| View original record | Rm/IMW. from Rm. 1292 Rm5/R.14.10.37. R.R. Hydraulic Shock Absorbers. We should like to know what, in your opinion, is the figure of merit which we can give to the hydraulic shock absorber at the… | ||
| scan0352 | Hydraulic damper knocks and test results for various car models. | ||
| View original record | To By. c. to Rm/Les. 1292 Rm/IMW.3/JH.16.10.37. R.R. Hydraulic Dampers. Replying to Rm.5/R.14.10.37., last quarters figures from London for internal damper knocks which could not be easily overcome,… | ||
| scan0353 | Feedback from retailers about increasing the damping on cars, specifically the Phantom model. | ||
| View original record | 1292 To Rm. from Sg. re Shock Absorbers and Damping. Sg8/E29.12.37 When we had lunch recently with the Retailers, at which Hs. was present, one or two of them expressed the view that our cars - the… | ||
| scan0354 | Issues with shock absorbers and damping systems due to dirt and a proposed modification. | ||
| View original record | Sg. from Rm. c. Es. c. By. c. Da. c. RHC. 1292 Rm2/R.7.1.38. SHOCK ABSORBERS & DAMPING. With reference to Sg8/E29.12.37., I should like Leslie to have an opportunity of trying one of the cars… | ||
| scan0355 | Shock damper loads and ride characteristics for the Ph.III model. | ||
| View original record | Sg. from Rm/Les. c. Hs. c. By. c. Da. c. RHC. Rm/Les.3/AP.4.1.38 RETAILERS DESIRE FOR INCREASED MAXIMUM SHOCK DAMPER LOADS. Re. Sg.8/E.29.12.37 We agree that the front end of Ph.III. might be… | ||
| scan0356 | Issues with shock absorbers and damping due to dirt in the system and potential modifications. | ||
| View original record | Sg. from Rm. c. Hs. c. By. c. Da. c. RHC. 1292 Rm2/R.7.1.38. SHOCK ABSORBERS & DAMPING. With reference to Sg8/E29.12.37., I should like Leslie to have an opportunity of trying one of the cars… | ||
| scan0357 | Retailer desire for increased maximum shock damper loads and related technical considerations. | ||
| View original record | Sg. from Rm/Les. c. Hs. c. By. c. Da. c. RHC. Rm/Les.3/AP.4.1.38 RETAILERS DESIRE FOR INCREASED MAXIMUM SHOCK DAMPER LOADS. Re. Sg.8/T.29.12.37 We agree that the front end of Ph.III. might be… | ||
| scan0358 | Complaints of shock damper knocks and investigating the cause. | ||
| View original record | To. By & Rm. From RHC/SB. O. to C.H. RHC/SB.1/MC.20.1.38. SHOCK DAMPERS. A number of complaints have recently been received from GWH., regarding Shock Damper knocks, and it is claimed that cures have… | ||
| scan0359 | Proposal for a new damper governor control that can be switched on or off at will for comparison purposes. | ||
| View original record | Rm. Rm/Les. (strikethrough) Da. (strikethrough) Da/Mr.Bastow (strikethrough) 1292- 1392 BY.6/G.28.1.38. [Handwritten] YES Please arrange Tom DAMPERS. --------- The idea which is under consideration to… | ||
| scan0360 | Table comparing the angularity and transverse movement of damper links for various models. | ||
| View original record | 1292 DAMPER LINKS 7.3.38 Angularity and Transverse movement of lower end of damper links due to independent wheel movement of 2". Transverse Movement. Angularity Phantom III. 0.248" 2 1/4° Wraigh… | ||
| scan0361 | Request for blueprints of test pieces and a knurled shaft to determine a suitable bore size for all chassis. | ||
| View original record | HPS. C. Rm. C. Rm/Des. BY/Ald.27/G.11.3.38. 1292. ALL CHASSIS. Please receive herewith two blueprints of the following :- Ex.S.576 Test Piece 1.121 + 2 dia. bore 1 off. Ex.S.577 " " 1.125 + 2 " " 1… | ||
| scan0362 | Request for blueprints of a knurled shaft and test pieces, noting a material change and cancellations. | ||
| View original record | HPS. c. Rm. C. Rm/Les. 1292. BY/Ald.4/G.25.3.38. ALL CHASSIS. Please receive herewith two blueprints of the following :- Ex.S.629 Knurled Shaft 1 off. Ex.S.630 Test Piece 2 off. Ex.S.631 Test Piece }… | ||
| scan0363 | Requesting shock absorber diagrams to compare the original Bentley R.R. damper with the Gordon Armstrong damper on the B.III. | ||
| View original record | To W.Bell from Rm. 1292 Rm.2/R.8.4.38 The Shock Absorber diagrams in which I am interested are the diagrams for the fixed R.R. damper as fitted to the original Bentley, compared with the fixed… | ||
| scan0364 | The cracking of shock damper pistons and recommendations for heat treatment. | ||
| View original record | 1292. HPS. c to Rm/AFM. c to RHC. RHC/Vs.4/JT.4.8.38. Iron Foundry. In reply to your memo HPS.2/VS.20.7.38, we regret the delay in replying to same owing to being absent on holiday. We have now… | ||
| scan0365 | The production of heat-treatable cast iron shock damper pistons for the Bentley III. | ||
| View original record | 1292. To HPS. Rm/C1m.16/JH.5.8.38. SHOCK DAMPER PISTONS. With reference to RHC/VS.4/JT.4.8.38. The Iron Foundry are making for us, some pistons in a heat treatable cast iron for Bentley III front… | ||
| scan0366 | The successful crack testing of new shock damper pistons following an oil quenching process. | ||
| View original record | To RHC/Vs. from HPS. c. Rm/AFM. c. RHC. 1292. HPS.1/VS.30.8.38. Further to your RHC/Vs.4/JT.4.8.38. in regard to the cracking of Shock Damper Pistons Ex.31344. We have now produced a set of pistons,… | ||
| scan0367 | Advance print and order for a piston with a thickened rim. | ||
| View original record | To RHC/Vs. from Rm/AFM. 1292 Rm/AFM.14/MH.5.8.38. Herewith an advance print of the piston with thickened rim. We are ordering 4 off, through HPS. Rm/AFM. | ||
| scan0368 | New metal rebound stop for the Bentley 3 & 50 and Wraith 80 models. | ||
| View original record | BY/NS c. Rm. 1292 DA.3/G.8.9.38. BENTLEY 3 and 50. WRAITH 80. AFM scheme :- Please receive herewith thefollowing F.CD.878 Metal Rebound Stop. The above shews a metal rebound stop to prevent the shock… | ||
| scan0369 | Notification about blueprints for a modification to the Rear Shock Damper Link. | ||
| View original record | 1292. c. Rm. DA.10/G.2.11.38. B.111, B.50 and WR.80. CHASSIS. REAR SHOCK DAMPER LINK. Please receive herewith blueprints of G.CD.988 showing a modification to the Rear Shock Damper Link. This… | ||
| scan0370 | Damper control settings and suggesting experiments for improving ride comfort. | ||
| View original record | BY Da Rm 1292. Da/Hdy.22/G.11.11.38. AFR See me Rm DAMPER CONTROL. B.111, B.50 and WRAITH 80. When trying the gearbox of 8-B-5 yesterday, I noticed that, even in the front seats, there was discomfort… | ||
| scan0371 | Comparing damper bellows for the Wraith model from two suppliers. | ||
| View original record | 1292 + 642. To Roy/Ms. from Rm/AFM. c. By. c. Roy/Les. Rm/AFM.5/MH.30.11.38. DAMPER BELLOWS - WRAITH. In reply to your Roy/Ms.2/P.25.11.38. We have tried the bellows made by the Drayton Regulator Co.… | ||
| scan0372 | List of work and tests required for various shock damper components and systems. | ||
| View original record | 1292 To Rm/Clm. Rm/AFM.14/JH.13.12.38. The following is a list of work in which you are interested :- SHOCK DAMPERS. Gordon Armstrong Rear, for } (Fixing & arm design required. Continental B.V. }… | ||
| scan0373 | Issues and required tests for various vehicle frames. | ||
| View original record | -2- Rm/AFM.14/JH.13.12.38. FRAMES. Strength of individual Side Members. Torsion tests. B.30 Front end trouble. Measure strength of new frames. See By/Mr. Bower in re-strength calculations. Continental… | ||
| scan0374 | Investigation into the sources of noise, or 'knocks', in rear dampers and proposed solutions. | ||
| View original record | 1292 To Ry. from RM/AFR. c. Da. c. RHC. c. Hd. c. GWH. RM/AFR.1/MH.22.12.38. DAMPER KNOCKS - R.H. REAR DAMPERS. In view of the various notes that have been circulated about damper knocks, we decided… | ||
| scan0375 | Issues with dampers, including side loads, knocking noises, and potential solutions. | ||
| View original record | -2- RM/AFM.1/MH.22.12.38. Dampers in service have a side load on the arm due to simple wheel bumps. Excessive longitudinal slack in the bearings may cause knocks but this seems rare. Some cars amplify… | ||
| scan0376 | Upcoming work and testing on B.V. suspension components at Kennington. | ||
| View original record | 1292, 1306 and 1029 To Rm. from Rm/AFM. c. Rm/FwK. c. Rm/Clm. c. Rm/JBD. The following work should be tackled in the next week or so:- B.V. Suspension - Kennington. Petrol tank support, 2" shackle… | ||
| scan0377 | Updates and tests on vehicle suspension and noise components. | ||
| View original record | -2- Rear Shock Damper Links. We are going to use 3 silentbloc links for 'A' series B.V. and are going to run these (once again) on the bump. We are also working on large Delco type rubbers and conical… | ||
| scan0378 | Noise tests, bumping tests on various components, and developments in shock absorbers. | ||
| View original record | -3- Rm/AFM.1/MH.5.1.39. Contd. Noise Tests - Clapham. Mr. Wilks is insistent that complete removal of the centre body supports is essential to keep down noise and vibration, and certain phenomenon of… | ||
| scan0379 | Lubrication, shock damper testing, and ride improvements for various vehicle models. | ||
| View original record | -4- Lubrication. HPS/WB. is doing tests on the Tecalemit pump and Clapham should keep "au fait" with this work. Shock Dampers on 9.B.V. Should be altered to standard setting when the noise tests are… | ||
| scan0380 | Shock damper settings, brake systems for the B.V. series and Silver Wraith, and a new servo. | ||
| View original record | -5- RM/AFM.1/MH.5.1.39. Contd. 29.C.VI Ride. We must arrive at a standard shock damper setting for 'C' Series: this is urgent. We cannot rely on new type (medium size) bellows because the small size… | ||
| scan0381 | Damper control system for the B.V. series, proposing a pressure-velocity effect using bi-metal strips. | ||
| View original record | 1292 & 442 To By. from Rm/AFM. c. Da. c. Da/Hdy. c. HPS/WB. Rm/AFM.1/MH.6.2.39. DAMPER CONTROL - B.V. SERIES. We have for some years now controlled the dampers of our cars by a pump unit which gives… | ||
| scan0382 | Investigation into a gear-type shock damper control unit to replace the governor unit on the Bentley and Wraith. | ||
| View original record | GEAR TYPE SHOCK DAMPER CONTROL UNIT INVESTIGATION. The gear type control unit used on the Bentley and replacing the governor unit on the Wraith has no pressure-velocity effect. It was desired to… | ||
| scan0383 | Valve control mechanisms using bimetallic strips and external pumps with different oil viscosities. | ||
| View original record | -2- cam operated by a spiral bimetallic strip or a strip having a variable rating: it might be possible to obtain this effect from a straight strip by using stops which come into action in succession… | ||
| scan0384 | Blueprint graph of pressure-velocity curves for a 20° valve with a soft spring using 'Shokoil' at various temperatures. | ||
| View original record | PRESSURE-VELOCITY CURVES FOR 20° VALVE WITH SOFT SPRING USING 'SHOKOIL' PRESSURE LBS/D" SPEED M.P.H. 20°C 30°C 40°C 50°C 60°C 100°C SHEET 3 | ||
| scan0385 | Graph showing pressure-velocity curves for a 20° valve at different temperatures using Castrol XL oil. | ||
| View original record | PRESSURE-VELOCITY CURVES FOR 20° VALVE AT 20°C AND 100°C USING CASTROL XL PRESSURE LBS/□" SPEED M.P.H. HARD 20°C HARD 100°C SOFT 20°C SOFT 100°C SHEET 1 | ||
| scan0386 | Replacement experimental Operating Pin for the Speedometer Drive & Damper Control Pump on Bentley V & SO Chassis. | ||
| View original record | 1292. To. HPS c.c. SH. c.c. RHC/Wld. c.c. RHC/SS. c.c. Roy/Lea for H.E.S. c. Rm/AFM. BY/CRL.1/E.8.2.39. File BENTLEY V. & BENTLEY SO CHASSIS. SPEEDOMETER DRIVE & DAMPER CONTROL PUMP. SECTION 6035.… | ||
| scan0387 | Graph showing micrometer readings for valve-lifts against temperature, using a 20° valve and Castrol XL oil. | ||
| View original record | VALVE-LIFTS USING 20° VALVE AND CASTROL XL MICROMETER READING (INCHES) .060 .050 .040 .030 .020 .010 .000 10 LBS/□" 80 MPH 20 LBS/□" 80 MPH TEMP °C 0 20 40 60 80 100 120 140 SHEET 2 | ||
| scan0388 | Technical memo discussing the design and performance of a damper control apparatus. | ||
| View original record | 1292. To Da/Hdy. c. to By. c. to Da. RM/AFM.16/JH.21.2.39. DAMPER CONTROL. In reply to Da/Hdy.4/G.17.2.39. We have reproduced exactly the apparatus shown in Hs/Am.1/TD.30.3.28. as this was shown… | ||
| scan0389 | Damper control, proposing kinetic energy restriction and requesting further tests on the ball valve and spring. | ||
| View original record | 1292² [Distribution List - Struck Through] Dy. c. Da. c. Rm. c. HPS/WD. DA/Hdy.4/G.17.2.39. [Handwritten Annotation in Red Ink] AFM. Please look up this report + see what we can do on similar lines Rm… | ||
| scan0390 | Kinetic energy restriction proposal for the Bentley V damper control and pump priming. | ||
| View original record | Rm. 1292 c.c. Da/Hdy. BY.8/G.23.2.39. AFM Cam ron wekey DAMPER CONTROL. I think that we should certainly try Da/Hdy's proposal of a kinetic energy restriction on the damper control for Bentley V.… | ||
| scan0391 | Requesting 24 anodised aluminium balls for use as replenishing valves in shock dampers. | ||
| View original record | 1292 To HPS. from Rm/C1m. Rm/C1m.8/JH.6.3.39. Please obtain 24 anodised aluminium balls .187" dia. for use in shock dampers, Wraith and B.V. rears and Wraith front, as replenishing valves. They are to… | ||
| scan0392 | Damper modifications, oil capacity, and heating issues for Bentley & Wraith models. | ||
| View original record | 1292 Da. from Rm/AFM. c. Hy/MS. c. Da/JD. c. Roy/Lee. c. Rm/Clm. Rm/AFM1/R.9.3.39. BENTLEY 5, 50 & WRAITH 80. In reply to Da.7/G.6.3.39., the oil in the damper can be divided into two parts, i.e., the… | ||
| scan0393 | Specifications for valve float, shock dampers, and Bentley V front and rear damper settings. | ||
| View original record | -2- Valves Cont'd. When the valve FB.4250 is in its seatings, the Valve sleeve FB.4240 should have .002" to .010" float. Rear. Shock dampers as per L.O.P.4217 except for the following modification.… | ||
| scan0394 | Shock damper specification for the Bentley V model, detailing components and assembly instructions. | ||
| View original record | 1292T 442 To By. c. to Da. c. to By/HMB. d. to Da/Ev. Rm/Clm.14/JH.14.3.39. Shock Damper Specification- Bentley V. Front Shock Dampers as per IOP.FB.4/28. Main Casing. As the cast iron case, FB.4717… | ||
| scan0395 | Blueprint of an extra replenishing valve housing. | ||
| View original record | BL. 85T 1.450 +10 1.000 +10 .875 DIA .437 DIA +6 .375 DIA +5 EXTRA REPLENISHING VALVE HOUSING MATERIAL S/M - 2 OFF SCALE 3/1 ROLLS-ROYCE LTD. PRINT ROOM MAR. 16 1939 DERBY | ||
| scan0396 | Requesting an order for specific rubber glands made from red duprene rubber. | ||
| View original record | 1292? To HPC. Rm/Clm.7/JH.28.3.39. Rubber Glands. Will you please order six each off FB.3436 and FB.3437. These should be in red duprene rubber. Rm/Clm. | ||
| scan0397 | Proposing a new 'autolock' damper control system for Bentley V cars and requesting it be patented. | ||
| View original record | 1292.? By/NW. from Rm/AFM. Rm/AFM3/R.25.5.39. DAMPER CONTROL. At present on Bentley V. cars we control the dampers through a servo device. We are unable to control them direct by rods because the… | ||
| scan0398 | Requesting the manufacture of six aluminium buffer supports for testing on new cars. | ||
| View original record | 1292. To HPS. Rm/Clm.14/JH.12.6.39. Front Shock Dampers. In future all new cars should be fitted with aluminium buffer supports instead of S/M. Will you please make six as soon as possible as we would… | ||
| scan0399 | Request to manufacture 6 more non-locking soft rods for twin valve front dampers due to failures with the hardened versions. | ||
| View original record | 1292 To HPS. Rm/Clm.15/JH.16.6.39. Twin Valve Front Dampers. Will you please make 6 more of the non-locking rods EXS.1648 for these dampers. We should like them left soft as we have had the bottom… | ||
| scan0400 | Request to send an official order for a tin of Luvax Shock Absorber Oil. | ||
| View original record | 1292? To Roy, from Rm/Whym. c. G/JWH. Rm/Whym.2/BA.4.7.39. Will you please send an official order to Messrs. Sanderson & Holmes Ltd, London Road, Derby for, 1 Tin L.M.27 of Luvax Shock Absorber Oil.… | ||
| scan0401 | Inquiring about patents related to a variable leak suspension shock damper. | ||
| View original record | 1292.? To NW. from Rm/AFM. Rm/AFM.1/MH.15.8.39. We are considering building a suspension shock damper in which the driver's control is a variable leak. We know that Luvax and Delco have used variable… | ||
| scan0402 | Scheme for fitting Gordon Armstrong Shock Dampers to the rear axle and related components. | ||
| View original record | 1292 To Rm. from Ev. copy to Rm/PJH. Rm/Clapham. RE GORDON ARMSTRONG DAMPERS. We are preparing a scheme for the fitting of Gordon Armstrong Shock Dampers to the rear axle, the damper being placed… | ||
| scan0403 | Blueprint showing two suggested schemes for shock damper links. | ||
| View original record | PL 97 HARRIS BUSH No 901 ESTIMATED WT 1LB SCHEME 1 SUGGESTED LINKS FOR SHOCK DAMPER SCALE 1/1 HARRIS BUSH No 901 ESTIMATED WT .85 LBS SCHEME 2 ROLLS-ROYCE LTD. PRINT ROOM 26 JAN 1940 DERBY. PL 97 | ||