Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Rear anchorage of front springs and an associated schematic N.Sch.2091. | ||
| View original record | X.7410 To BY. from DA. c. to CJ. Hs. DA4/M27.11.25. EAC.7. REAR ANCHORAGE OF FRONT SPRINGS. We send herewith N.Sch.2091 shewing the combined rear anchorage of front springs and front bracket for… | ||
| Scan002 | Design suggestions for the rear spring front anchorage, awaiting Mr. Royce's feedback. | ||
| View original record | To EY. from DA/HDY. c. to CJ. Hs. ######## 47410 DA/Hdy1/M17.2.26. EAC.7. REAR SPRING FRONT ANCHORAGE. X.7130 X.7410 X.7380 We send herewith N.sch.2132, 2138 and 2144 shewing suggestions for the… | ||
| Scan003 | Alternative rear spring design, comparing it to the existing 20 HP scheme. | ||
| View original record | DA! To BY. HS. FROM R. LE CANADEL. c. to CJ. BJ. RG. E. X7410 R1/M26.2.26. EAC. 7. FRONT END OF REAR SPRINGS. X.7410 X.5410 I do not think the alternative suggestion over the one like the 20 HP.… | ||
| Scan004 | Design of rear springs for the EAC.7 frame, concerning top plate thickness and spring clips. | ||
| View original record | To BY. from DA. c. to Hs. X.7410 DAL/M13.3.26. EAC.7. REAR SPRINGS. We send herewith N.sch.2162 giving particulars of the 66" rear springs for the new EAC.7 frame. It will be seen that the top plate… | ||
| Scan005 | Modifications to the front anchorage of rear springs. | ||
| View original record | X.7410 To BY. from DA DAL/M14.4.26. EAC. 7 - FRONT ANCHORAGE OF REAR SPRINGS etc. Herewith we send N.sch.2175 on which we have carried out the modifications instructed in R2/M2.3.26. This is the type… | ||
| Scan006 | Urgent ordering of semi-elliptic rear springs with accompanying blueprints. | ||
| View original record | HS. ST. EX/DEPT. X7410 BY1/H. 21.4.26; E.A.C.VII. REAR SPRINGS. I am handing you herewith two blueprints F.74753 representing Series of rear springs of the semi-elliptic type, produced in accordance… | ||
| Scan007 | Recommendation to order twelve rear springs of varying weight capacities. | ||
| View original record | To BY. from Hs. c. to Wd. c. to BY/HEB. X7410 Hs1/LG22.4.26. EAC.7. REAR SPRINGS. We recommend that you order :- 2 800 lbs. rear springs. 4 900 " " " 4 1000 " " " 2 1100 " " " making 12 springs in… | ||
| Scan008 | Vehicle's performance with suggestions for improvements to steering, suspension, and engine components. | ||
| View original record | To Hs. & BY. from R. c. to BJ. Wor. c. to FN. CWB. X7410 R2/M26.6.26. 12-EX X.7940 X.7430 X.7770 X.7410 This is a fine car in many ways than previously. One can feel the definite improvement in the… | ||
| Scan009 | Requesting a pair of stronger rear springs for the 12-EX car. | ||
| View original record | To BY. from Hs/Rn. X7410 Hs/Rn4/LG9.8.26. 12-EX CAR - ROAD SPRINGS. X7410 All the rear springs which we have at present for EAC-1 and 2 are too weak. We should be obliged if you could obtain for us a… | ||
| Scan010 | Project status of a chassis, listing components with existing instructions and those still awaited. | ||
| View original record | To HSt } FROM R. BY. } 47410 c. to BJ. Wor. DA. R2/M20.8.26. RS. EAC.7 X.7770 X.7410 It is understood that you consider the best way to improve the riding qualities is to push forward the above… | ||
| Scan011 | Continued note on getting a chassis on the road, highlighting the sequence starter as the most difficult part to arrange. | ||
| View original record | Contd :- -2- in getting this chassis on the road. Most of them it will be noticed can be changed at any convenient later date. The most difficult to arrange for will be the sequence starter. R. | ||
| Scan012 | Standardisation document for the rear road spring roller and plate. | ||
| View original record | RR 758 REVISED (10M) (DE444 6-10-26) BM. COMPLETED 19.10.26 STANDARDISATION of CHASSIS PARTS. Date 24.9.26 Description of Parts. REAR ROAD SPRING ROLLER AND PLATE. Origin. To reduce thumping of rear… | ||
| Scan013 | Design improvements for the rear cross tube, dumb-irons, and luggage grid. | ||
| View original record | To DA/EV. RG. HS. from R. c. to BJ. Wor. BY. X7400 EAC.7 LUGGAGE GRID AND X.7400 WHEEL AT REAR. X.7600 I quite agree that N.sch.2339 promises to be better than N.sch.2345. I am pleased we are doing… | ||
| Scan014 | Steering trouble on the EAC-Vll chassis and requesting an investigation into fitting alternative front springs. | ||
| View original record | To BY. from Hs/Rm. X7410 Hs/Rm3/LG4. 2. 27. EAC-Vll CHASSIS. X7410 47430 EAC-Vll. We are having trouble with the steering on. We believe the alteration to the front springs may have some bearing on… | ||
| Scan015 | Modifications for fitting Phantom unequal centred springs to an E.A.C.7. chassis. | ||
| View original record | X7410 C. Hs/Rm. BY/HEB2/M;10:2.27. RECEIVED R.R. LTD. 24 FEB 1927 HS E.A.C.7. CHASSIS. FRAMES AND FITTINGS SEC:7000. FRONT SPRINGS AND FITTINGS SEC: 7020. As required in memo' Hs/Rm3/LG4.2.27. we have… | ||
| Scan016 | Testing chassis 12-EX with altered road springs and hydraulic shock dampers for Australian conditions. | ||
| View original record | To Hs. from Pt. c. to EP. c. to BY. +7410 Pt2/LG26.5.27. SPRINGING. X8410 This afternoon I tried chassis 12-EX with Rm. in connection with suggested alteration to road springs for Australian… | ||
| Scan017 | Continued discussion on the requirement for adjustable friction springs due to the varying conditions in Australia versus Europe. | ||
| View original record | contd :- -2- should have some of the friction under control and adjustable. this because the varying conditions for which we have to spring in Australia cover a much wider range than is found in this… | ||
| Scan018 | A miscalculation in rear spring requirements for EAC-7 and requesting new ones. | ||
| View original record | To By. from Hs/Rm. c. to BY/HEB. X7410 Hs/Rm2/LG16. 8.27. EAC-7 REAR SPRINGS. In Hs1/LG22.4.2 7. we called for 12 rear springs for EAC.7. It is quite obvious that these are all too light. The reason… | ||
| Scan019 | Order for a new set of rear road springs for a chassis as the previous set was too light. | ||
| View original record | To Roy C RMC. C Hs. X7410 BY/HEB4/M.17.8.27. E.A.C.7. CHASSIS. REAR SPRINGS & FITTINGS SEC:7030. The Exp: Dept. in their memo' Hs/Rm2/LG16.8.27. state that the Rear Road Springs previously ordered for… | ||
| Scan020 | Urgent internal memo requesting the return of specific springs to the makers for conversion to different specifications. | ||
| View original record | To BY. from Hs/Rn. c. to Roy. X7410 Hs/Rn1/LG23. 8. 27. EAC.7. SPRINGS. We are sending into the Stores for return to the makers :- 2 800 lbs. springs F.74754 4 900 lbs. springs F.74755 2 1000 lbs.… | ||
| Scan021 | Comparing the rear springing of the EAC.7 model with an equivalent Phantom. | ||
| View original record | Hs. BY. from DA. X7410 DAL/M3.9.27. EAC.7. REAR SPRINGING. X.7410 X.8410 With reference to the question, raised by Hs. while here, of the apparently heavy rear springs needed on EAC.7. compared with… | ||
| Scan022 | Letter discussing F Engine performance for Fairey and developments for the Phantom Sports chassis. | ||
| View original record | BJ. from R. c. to Wor. BY. Hs. X7410 Rl/M1.10.27. (1) RR.F. ENGINES. X.4657 X.7410 (2) PHANTOM SPORTS MODEL. X.2810 X.7770 X.8774 I was very sorry to hear you were not well, and missed you at the… | ||
| Scan023 | Comparative suspension tests for 40/50 HP models, comparing semi-elliptic and cantilever springs. | ||
| View original record | To R. from Hs/Rm. c. to BJ. WoR. c. to E. DA. c. to SY. OY. x7410 Hs/Rm1/LG2.11.27. +8440 EAC.7. & 40/50 HP. SUSPENSION TESTS. We have been carrying out careful comparative tests of semi elliptic and… | ||
| Scan024 | Testing hydraulics with increased viscosity for improved ride damping on experimental cars. | ||
| View original record | contd :- -2- In order to get reasonable riding at low speeds together with adequate damping for fast touring, we are running hydraulics with an increased viscosity factor pract- ically unaffected by… | ||
| Scan025 | Urgent internal memo requesting an order for modified front springs for Mr. Royce's personal car. | ||
| View original record | To BY. from Hs/Rn. X9410 Hs/Rm5/LG4.11.27. X8992 Will you please order for us - one pair of 1100 lbs. front springs for EAC.7. to F.72699, the initial camber of these springs to be altered from 3.35"… | ||
| Scan026 | Urgent order for modified front road springs with altered cambers for Mr. Royce's car. | ||
| View original record | C. Hs/Rm. S.RHS. X7410 BY/HEB5/M.7.11.27. E.A.C.7. CHASSIS. FRONT SPRINGS AND FITTINGS SEC:7020. In accordance with Hs/Rm5/LG.4.11.27, will you kindly order up the following Road Springs. F.72699 -… | ||
| Scan027 | Changes to the 14-EX coachbuilders drawings regarding axle clearance, spring stiffness and buffer size. | ||
| View original record | To BY. from Hs/Rn. X7410 Hs/Rn2/LG14.11.27. 14-EX - COACHBUILDERS DRAWINGS. X7830 We asked for .250 additional clearance on the coachbuilders drawings for maximum bump position. WW. now say that they… | ||
| Scan028 | Tests conducted on hydraulic shock dampers to improve car riding, comfort, and stability. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to EY. OY. Y7410 Hs/Rm1/LG16.11.27. HYDRAULIC SHOCK DAMPERS. X235 We obtained some figures for the front axle velocity on the road when fitted with… | ||
| Scan029 | Shock damper tests, discussing axle velocity, pressure, and ride comfort on vehicles 12-EX and 14-EX. | ||
| View original record | contd :- -2- cold on compressor oil we used Prices Motorine 'C'. Whilst carrying out these tests we found out, amongst other things, that the valves do not lift for very small and slow ball end… | ||
| Scan030 | Comparison of suspension performance on the 14-EX experimental car versus the standard 40/50 HP. | ||
| View original record | contd :- -3- momentarily almost as high as when the whole car is moving through large amplitudes at the relatively slow spring periodicity. We think that with the semi elliptic springs on 14-EX we… | ||
| Scan031 | Report comparing the ride quality of the 14-EX car with standard versus higher pressure shock dampers. | ||
| View original record | GWH1/LG16.11.27. RE. SPRINGING OF 14-EX CAR. The riding of this car fitted up with a higher velocity pressure factor on the rear shock dampers is at high speeds over rough and good roads very steady.… | ||
| Scan032 | Graph and cross-sectional diagrams analyzing damper performance and piston components. | ||
| View original record | FIG. A Graph: Y-Axis Labels: - BALL PIN LOAD AT 7.5 RADIUS - PRESSURE ON PISTON LBS/SQ IN X-Axis Labels: - AXLE UP & DOWN MOVEMENT THROUGH 6" OSCILLATIONS/MIN. - MAX. PISTON VELOCITY INS/SEC - FRONT… | ||
| Scan033 | Blank document page marked with a Print Room date stamp. | ||
| View original record | R ROYCE, LIMITED PRINT ROOM 16 NOV 1927 | ||
| Scan034 | Series of four graphs analysing oil pressure, velocity, viscosity, and temperature under different conditions. | ||
| View original record | FIG. B GRAPH I OIL PRESS. LBS. SQ." AXLE VEL. 3FT/SEC A B C PRESS L.P. VALVE OPENS COMPRESSOR OIL 20°C 2" STROKE INS. 120 R.P.M. INCREASE IN VELOCITY PRESSURE FACTOR DUE TO VARIOUS SPACING OF ORIFICES… | ||
| Scan035 | Heavily faded document with two punch holes and a red date stamp in the bottom right corner. | ||
| View original record | [Main body text is illegible] [Red Stamp]: [Illegible] LIMITED VIC. ROOM, 16 NOV 1927 DERBY. | ||
| Scan036 | Instructions on lowering the chassis for 20 HP and Phantom models by reducing packing. | ||
| View original record | X7410 To BY/TWD. c. to Hs/Rm. c. to RHC. BY/HEB2/M17.11.27. 20 HP. PHANTOM. EAC.14. LOWERING CHASSIS BY REDUCING PACKING. X.5420 X.7410 X.5410 X.7420 Kindly note the following :- EAC.14. This chassis… | ||
| Scan037 | Instructions for altering the 40/50 rear springs to lower the rear of the car. | ||
| View original record | To BY. from Hs/Rm. X7410 Hs/Rm3/LG1.12.27. 40/50 REAR SPRINGS. f840 Simultaneously with the altered front spring camber, we wish to drop the rear of the car ¾". To do this, half an inch should be… | ||
| Scan038 | Order for modified front road springs for a Phantom E.A.C.8. chassis. | ||
| View original record | [Stamp] C. Hs/Rm. [Text below stamp is crossed out and illegible] [Handwritten] X7410 BY/HEB 16/M.2.12.27. PHANTOM CHASSIS E.A.C.8. (12-EX). FRONT SPRINGS - SECTION 7020. In accordance with… | ||
| Scan039 | Specifying modified front road springs for a Phantom Chassis E.A.C.8. | ||
| View original record | c.c. Hs/Rm. 77410 BY/HEB7/M.21.12.27. PHANTOM CHASSIS E.A.C.8.(12-EX). FRONT SPRINGS SEC:7020. RECEIVED Further to our memo' BY/HEB16/M.2.12.27, by which we ordered the following springs for use on… | ||
| Scan040 | Diagram showing the clip positions for special 1050 lbs front springs. | ||
| View original record | "A" 14.800 "E" 15.820 REAR EYE. B 9.500 (MAX) F 8.100 (MAX) - CLIP POSITIONS FOR SPECIAL 1050 LBS FRONT SPRINGS - - F.78164 (SIMILAR TO F71979) - | ||
| Scan041 | Vehicle performance, detailing misfire solutions, handling improvements, and comments on standardized versus coachbuilt parts. | ||
| View original record | Hs. E. from R. c. to BJ. Wor. DA. c. to SG. BY. LHS. C. +7410 R1/M31.12.27. EAC.7. X.7770 X.7410 X.7430 Regarding misfires, these have been cured on the magneto by a fresh set of plugs set at .020".… | ||
| Scan042 | Performance of a sequence starter compared to existing models. | ||
| View original record | contd :- -2- The sequence starter seems very good : hope to get it slightly better and somewhat simpler, but it is definitely superior to Phantom and 20 HP. as at present. R. | ||
| Scan043 | Requesting an order for different front springs for Mr. Royce's car because the original specification was too light. | ||
| View original record | To BY, from Hs/Rn. c. to Roy. c. to RHC. X7410 Hs/Rm4/LG3.1.28. EAC.14. Reports from Mr. Royce's car indicate that the front springs we requested as specified in BY/HEB3/M3.1.28 will be too light with… | ||
| Scan044 | Design features and proposed alterations for a vehicle, including the radiator and engine suspension. | ||
| View original record | Hs. from R. E. DA. c. to BJ. LHS. RG. c. to PN. Wor. EY. c. to C. SG. CWB. +7410 R2/M9.1.28. X.7770 X.7530 X.7830 X.7410 EAC.10. X.7250 X.7070 I am so pleased with EAC.7. that in making the above we… | ||
| Scan045 | Vehicle modifications including throttle cooling, suspension, induction pipe, and body suggestions. | ||
| View original record | contd :- -2- In the EAC.10 we ought to make a desperate attempt to return to water cooling of the throttle, even if it requires my small superheater of the water on the exhaust pipe - i.e. (steam… | ||
| Scan046 | Specifications and expected weight reduction for sports car rear springs. | ||
| View original record | To BY. from Hs/Rm. c. to Da. c. to Wor. [handwritten, crossed out] E8777 [handwritten] X7410 Hs/Rm1/LG28.1.28. SPORTS CAR REAR SPRINGS. [handwritten, crossed out] E8777 We recommend that the following… | ||
| Scan047 | Need for a 40 lbs weight reduction on sports car rear springs and issues with suppliers. | ||
| View original record | contd :- -2- has been pared down to the last ounce. Cannot we make a determined effort to save 40 lbs. on the rear springs; we are proposing to order all the sports car rear springs of the same… | ||
| Scan048 | The front anchorage of rear springs and brake carrier levers. | ||
| View original record | BY. from DA. c. to BJ. hs. X7410 DA1/M31.1.28. EAC.10 FRONT ANCHORAGE OF REAR SPRINGS. & BRAKE CARRIER LEVERS ETC. X.7410 X.7380 We send herewith N.sch.2541 shewing the front anchorage of the rear… | ||
| Scan049 | Urgent internal memo requesting an order for modified front road springs for Mr. Royce's car. | ||
| View original record | X7410 To BY. from Hs/Rm. Hs/Rml/LG1 6.2.28. EAC-7 - FRONT ROAD SPRINGS. Will you please order front springs for EAC.7. of exactly the same type as those quoted in your BY/HEB5/M7.11.27 only of 1150… | ||
| Scan050 | Order for modified front road springs with altered cambers for an E.A.C.7 chassis, noted as urgent for Mr. Royce's car. | ||
| View original record | X7410 c. Hs/Rm. BY/HEB1/M.17.2.28. E.A.C.7. CHASSIS. FRONT SPRINGS & FITTINGS SEC:7020. In accordance with Hs/Rml/LG16.2.28, will you kindly order up the following Road Springs.- F.72700 - 1150 lbs.… | ||
| Scan051 | The production of three different pairs of special road springs for the Phantom model. | ||
| View original record | R.H.C. c. H.S. c. ROY/Dm. X7410 BY4/G.1.3.28. SPECIAL ROAD SPRINGS - PHANTOM. ------------------------------ The Order Office will be sending into the Experimental Department tomorrow the three pairs… | ||
| Scan052 | Delivery and fitting of two sets of special rear springs for a Sports car. | ||
| View original record | Hs/Rm. X8410 BY8/G.16.3.28. Referring to the two sets of special rear springs for the Sports car, which were to be made to a minimum weight previously, the two pairs of springs in question to drawing… | ||
| Scan053 | Layout of the 'SS' side steering tube, referencing drawing N.sch.2567. | ||
| View original record | BY. from DA. C. to BJ. Hs. 77410 DA4/M26.3.28. 'SS' SIDE STEERING TUBE. X.7450 X.7410 X.7380 Herewith we send N.sch.2567 shewing the layout of the steering, side steering tube, front end of frame etc.… | ||
| Scan054 | Specification sheet detailing buffer clearance, wing clearance, and spring camber measurements for the 14-EX model. | ||
| View original record | 14-EX BUFFER CLEARANCE. X7410 FRONT N.S. 1.7" REAR. N.S. 3.24" O.S. 1.9" O.S. 3.2" Rear - No passengers - N.S. 4.7" O.S. 4.7" X615 Rear - Wing clearance N.S. 6.25" O.S. 6.2" Rear - spring camber N.S.… | ||
| Scan055 | Weakness of the 50 lbs forward body support spring and requesting a modification. | ||
| View original record | Hs. from DA/EV. c. to BJ. R. BY. +7410 DA/EV2/M27.3.28. EAC.14 - FORWARD BODY SUPPORT. X.7630 X.7390 X.7410 We note that the 50 lbs. spring was too weak and that the body lifted too vigorously from… | ||
| Scan056 | Central oiling for the front anchorage of the rear spring. | ||
| View original record | DA. Hs. from R. BY. c. to BJ. Wor. +7410 R3/M14.4.28. ss. CENTRAL OILING. X.3806 X.840 X.7350 X.7410 N.sch.2541 - again front anchorage of rear spring, no oiling shewn to back axle via this spring.… | ||
| Scan057 | The application of centralised chassis lubrication to the front spring shackle. | ||
| View original record | BY. from DA. c. to B.J. Hs. 47410 DA3/M18.4.28. INDIA 3. CENTRALISED CHASSIS LUBRICATION. X.3806 FRONT SPRING SHACKLE. X.7410 X.8410 Herewith we send N.sch.2587 showing the application of the… | ||
| Scan058 | Provision of a blueprint for the F.78792 front road spring for the E.A.C.10 chassis. | ||
| View original record | File c. IIa/Rm. X741D BY/HEB3/M.20.4.28. E.A.C.10. CHASSIS. FRONT SPRINGS & FITTINGS SEC:7020. FRONT ROAD SPRING IN ACCORDANCE WITH "N" SCHEME 2567. Further to memo' BY/HEB6/M.18.4.28. herewith please… | ||
| Scan059 | Broken front spring plates on car 14-EX causing frequent bumping. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. CWB. X7410 Hsl/LGl.5.28. 14-EX CAR. 47720 It was found on this car, which has just returned from Le Canadel, that on one front spring 5 bottom… | ||
| Scan060 | The comparative testing of road springs from Firths versus American manufacturers, detailing premature failures. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. CY. +740 Hs/Rn4/LG2.5.28. ROAD SPRINGS. X.4429 X.3300 X.7410 We have been testing on the bumping rig some front road springs made by Firths… | ||
| Scan061 | Effectiveness and testing of different rear spring types for various car models. | ||
| View original record | contd :- -2- frequency, though we believe the effectiveness of the shock absor- bers during large amplitude rear spring movements had something to do with this. With reference to the lighter type of… | ||
| Scan062 | Ordering road springs and poundages for experimental vehicles India 3 and EAC10. | ||
| View original record | Hs. X.7410 BY/Cgh24/G15.5.28. INDIA 3. & EAC1O ROAD SPRINGS. X.5410 With reference to BY/Cgh16/K5.4.28. with which we sent you blueprints shewing the front and rear road springs for India 2, we would… | ||
| Scan063 | Confidential internal memo discussing Prince Ibrahim's dissatisfaction with a car's high-speed performance, handling, and springing. | ||
| View original record | "Ps" to [REDACTED] Copy to "H s" XT-HO Ps16/IL.16.5.28 (Confidential) re: D.TC - Prince Ibrahim I have perused your Whr/Ro26/WP.14.5.28. The Prince is charmed with the car's reliability, but he is far… | ||
| Scan064 | On replacing a serrated roller with a sliding block on the Phantom model, per scheme 2598. | ||
| View original record | Hs. X7410 BY4/G.16.5.28. PHANTOM. REPLACING SERRATED ROLLER BY A SERRATED SLIDING BLOCK AS SHOWN ON SCHEME 2598. It is most important that I should point out that we cannot make sudden changes of… | ||
| Scan065 | Design alteration for the rear anchorage of the front spring to accommodate a drip plug for the centralised chassis lubrication system. | ||
| View original record | BY. from DA. c. to BJ. Hs. X7410 DA2/M17.5.28. CENTRALISED CHASSIS LUBRICATION. X.3806 X.7410 We send herewith N.sch.2604 shewing the rear anchorage of the front spring. The pieces including the… | ||
| Scan066 | Sending a new spring damped pendulum lever and other design improvements for the SS. Phantom model. | ||
| View original record | 47410 HS. BY, from R. R4/M/7.5.28. c. to BJ. Wor. SS. PHANTOM. X.7430 X.7770 X.7410 We are sending you within the next day or two a spring damped pendulum lever, and in this new specimen we have been… | ||
| Scan067 | Recommendations to improve the high-speed performance of the 40/50 suspension system. | ||
| View original record | To Hm, from Hs/Rn. XJL40 Hs/Rm2/LG19.5.28. 40/50 SUSPENSION. (For Depot sheet) XJL40 Complaints come to our notice that the 40/50 suspension is not satisfactory at high speeds. The most recent example… | ||
| Scan068 | Page of notes on supplementing damping with Hartfords and adjusting steering pivot lean. | ||
| View original record | contd :- -2- It is possible that even when these springs are fitted, the owner may still desire more damping. Should this occur, there is a scheme for supplementing the standard hydraulics with single… | ||
| Scan069 | Suspension spring deflection, buffer clearance, and camber for models EAC.7 and EAC.10. | ||
| View original record | BY. from Hs/Rm c. to BY/HEB. 47410 Hs/Rm1/LG21.5.28. SUSPENSION - STANDARD, EAC.7., & EAC.10. 47410 Thank you for the spring and frame details EAC.7. and 10. The deflection under normal load of EAC.7.… | ||
| Scan070 | Excessive rear wing clearance on the 14-EX car, creating a misleading appearance. | ||
| View original record | To DA/EV. from Hs/Rn. X7410 Hs/Rn2/LG23. 5. 28. 14-EX CAR. +7390 The rear wings on 14-EX have at least 1" more clearance on maximum bump than necessary. This gives the car the appearance at the rear… | ||
| Scan071 | Frame heights for EAC.10 and questioning buffer clearances for springs. | ||
| View original record | x615 X7410 To DA. from Hs/Rm. Hs/Rm6/LG31.5.28. FRAME HEIGHTS. 47380 We are not quite certain how much lower the frame of EAC.10 will be. Attached are some figures given to us by the D.O. Are these… | ||
| Scan072 | Blueprint comparing the frame heights for three different 40/50 chassis models. | ||
| View original record | FRAME HEIGHTS 40/50 EAC7 22.825 TO GROUND FACIO SS, 22.500 TO GROUND F2B PHANTOM 23.325 TO GROUND | ||
| Scan073 | Print room stamp from the Derby facility. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 31 MAY 1928 DERBY. | ||
| Scan074 | The testing and performance of cadmium-plated road springs. | ||
| View original record | To R. from Hs/Rn. c.c. to BJ. Wor. c. to DA. BY. c. to E. X7410 hs/Rn3/LG26.6.28. CADMIUM PLATED ROAD SPRINGS. X.1360 X.7410 X.8410 We have run a pair of front springs cadmium plated 2000 miles in… | ||
| Scan075 | Laboratory report detailing the hardness test results for broken spring plates. | ||
| View original record | x7410 Hs/Mr.Robotham. H13/EA4.7.28. R152. Laboratory. Re Pieces of Broken Spring Plates submitted for hardness tests today. We understand that the above pieces were from the bottom plates of the… | ||
| Scan076 | Typed internal memo providing feedback and criticisms on various car models and their performance. | ||
| View original record | B.J. from R. c. to Wor. Hs. 47410 RL/M9.7.28. 14-EX. X.7770 X.7410 X.7830 X.7430 I quite agree with your criticisms that : (1) The engine has a slight roar. (2) The rear seat is now bad. As used in… | ||
| Scan077 | Riding qualities of the Phantom and 20 HP models, focusing on tyres and road springs. | ||
| View original record | HS. EP. from R. X7410 R2/M20.7.28. c. to BJ. BY. PN. CWB. PHANTOM AND 20 HP. X.7410 X.7820 RIDING QUALITIES. X.8410 X.5820 X.5410 X.235 TYRES. Naturally we must have low pressure tyres for both these… | ||
| Scan078 | Improving vehicle ride quality by adjusting flexible springs and hydraulic shock dampers. | ||
| View original record | contd :- -2- depart from flexible springing for the sake of high speed riding, but since we have got hydraulic dampers we must increase the effectiveness of these dampers, especially on the recoil… | ||
| Scan079 | The correct road spring specifications for the 17-EX car and sourcing logistics. | ||
| View original record | RHC. from Hs/Rm. X7410 Hs/Rm/LG24.7.28. 17-EX - ROAD SPRINGS. ~~X1360~~ The correct springs for this car are :- Front 1000 lbs. Initial camber 2.1". Rear 1500 lbs. 25% stiffer type. Initial camber… | ||
| Scan080 | Recommendation for using 25% stiffer springs on heavily sprung cars for specific conditions. | ||
| View original record | BY: from Hs/Rm. X7410 Hs/Rm3/LG26.7.28. 25% STIFFER SPRINGS. Y8410 We recommend that in every case where a car has, for any reason, to be very heavily sprung and normally a 25% stiffer spring would be… | ||
| Scan081 | Customer complaints and tests related to vehicle springing, specifically for the Phantom and 20 HP models. | ||
| View original record | To BJ. from Hs. c. to Wor. c. to C. c. to Sg. c. to CWB. X7410 HS5/LG27.7.28. SPRINGING. V8410 X5410 Replying to BJ6/E25.7.28. The question of tests on springing is receiving our urgent attention and… | ||
| Scan082 | Commenting on the design and manufacturing of road springs, comparing different types. | ||
| View original record | BY. from R. c. to BJ. Wor. c. to DA. Hs. 47410 R1/M14.8.28. ROAD SPRINGS. X.7410 X.4429 X.5410 X.380 3 I was very interested in your memo. with reference to road springs, but there are one or two… | ||
| Scan083 | Comparing the quality and cost of Firth springs versus Lemoine and American springs. | ||
| View original record | contd :- -2- spring or American spring is due to better the superior finish of the surface, or the workmanship, we ought to insist that Firth springs are at least equal, especially as I understand the… | ||
| Scan084 | Query about the arrival of stiffer rear road springs for the 12-EX and 17-EX models. | ||
| View original record | To RHC. from Hs/Rm. X7410 Hs/Rm9/LG20.8.28. 12-EX & 17-EX - ROAD SPRINGS. X7410 With reference to Hs/Rm3/LG26.7.28. Can we get the correct springs on 12 & 17-EX now, i.e., have the 1650 25% stiffer… | ||
| Scan085 | Concerns regarding a new design for 40/50 rear road springs and centrepoint lubrication. | ||
| View original record | X7410 To DA. from Hs/Rm. c. to BY. Hs/Rml/LG21. 3. 3. 28. 40/50 REAR ROAD SPRINGS. X8410 We are rather concerned about the new type main plate for the 40/50 rear road springs which is the only design… | ||
| Scan086 | Requesting data on suspension buffer deflection during a 10,000-mile test of 20 HP and 40/50 HP models. | ||
| View original record | To CWH. from Hs/Rm. X7410 Hs/Rml/LG23. 8. 28. NEXT 10,000 MILES TEST - 20 HP. & 40/50 HP. X5410 X7390 Will you please make a point of ascertaining the max. deflection which occurs on the buffers… | ||
| Scan087 | Test results for buffer penetration and wheel arch clearance for different tyre sizes. | ||
| View original record | To DA/EV. from Hs/Rm. c. to BY. c. to Sg. X7410 Hs/Rm3/LG23. 8.28. X7820 re. tests on buffer penetration. With reference to DA/EV3/M3.7.28 and DA/EV2/M14.8.28 Our tests shew that we can get 5/8" bump… | ||
| Scan088 | New type rear springs be cadmium plated before fitting. | ||
| View original record | X7410 To RHC. from Hs/Rn. Hs/Rn3/LG24. 8. 28. 12-EX. X1360 Will you please have the new type rear springs of this car cadmium plated before they are fitted. Hs/Rn. | ||
| Scan089 | New scheme for rear spring lubrication, requesting a pair of standard springs to be cadmium plated. | ||
| View original record | 47410 To R&C. from Hs/Rn. Hs/Rn1/LG27.8.28. 12-EX - REAR SPRINGS. 41360 We have now been promised a scheme from WW. which will enable the standard type rear spring to be used with centrepoint… | ||
| Scan090 | Car springing guidelines and qualifications for various car models. | ||
| View original record | Y7410 To Hm. from Hs/Rn. Hs/Rn4/LG27.8.28. CAR SPRINGING. X5410 / Y5410 Herewith curves of car springs as requested. They are only approximations to enable reasonable springs to be put on a car… | ||
| Scan091 | Continued page discussing front spring specifications and recommendations for different driving conditions. | ||
| View original record | contd :- -2- Light. gives about 3" clearance. Best riding for British conditions - slightly too flexible for Continental work but not impossibly so. FRONT SPRINGS. Again it pays to use heavy front… | ||
| Scan092 | Two graphs showing spring poundage against axle weight for 20 HP rear and front springs. | ||
| View original record | 20 HP REAR SPRINGS REAR SPRING POUNDAGE HEAVY LIGHT CAR SPRUNG FOR FOUR PASSENGERS ADD HALF LUGGAGE TO EACH SPRING REAR AXLE WT. CWT CAR EMPTY 20 HP FRONT SPRINGS FRONT SPRING POUNDAGE CONTINENTAL… | ||
| Scan093 | Blank document page marked with a 'Print Room' receiving stamp. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 30 AUG 1928 DERBY. | ||
| Scan094 | Spring chart for Phantom 'V' series to F2B, detailing spring poundage against front and rear axle weight. | ||
| View original record | PHANTOM SPRING CHART 'V' SERIES TO F2B. Left Chart: Y-Axis: SPRING POUNDAGE X-Axis: REAR AXLE WT. CAR EMPTY. Lines: CONTINENTAL, AVERAGE, LIGHT Text Box: SPRINGING CHART ALLOWING FOR FOUR PASSENGERS… | ||
| Scan095 | Blank page with a 'Print Room' stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 30 AUG 1928 DERBY. | ||
| Scan096 | Notice about altering the front axle inclination for the Phantom 'G2A' series chassis and onwards. | ||
| View original record | X7410 BY/HEB6/M.28.8.28. C. Hs/Rm. PHANTOM CHASSIS "G2A" SERIES ONWARDS. FRONT SPRINGS AND FITTINGS SEC:7020. INCLINATION OF FRONT AXLE. Kindly note by Alteration No: 10828/F. we altered the angle of… | ||
| Scan097 | Request to inspect the plating on one cadmium-plated front spring and to measure the internal friction of another. | ||
| View original record | To RHC. from Hs/Rm. X7410 Hs/Rml/LC5.9.28. CADMIUM PLATED FRONT SPRINGS - 12-EX. X7410 X1360 Will you please strip one of these springs in order that we may see how the plating is standing up. The… | ||
| Scan098 | The buffer clearance for new 25% stiffer rear springs. | ||
| View original record | Hs/Rm. X7410 BY/HEB4/M.6.9.28. 25% STIFFER REAR SPRINGS. With reference to your memo. Hs/Rm3/LG26.7.28, you state that with the new type 25% Stiffer Rear Springs with 1.400" Initial Camber, we should… | ||
| Scan099 | Specification sheet comparing front and rear road springs for 'Sports' and 'Chassis' models. | ||
| View original record | LIST II SPORTS CHASSIS SAME AS HEIGHT F2B. SPORTS CHASSIS 1.000" LOWER THAN F2A. .500" " " F2B. "SPORTS" - SPORTS FRONT ROAD SPRING - F 78422. 1.750 CLEARANCE BUFFER TO SPRING CLIPS (FULL LOAD) BUFFER… | ||
| Scan100 | Buffer clearance specifications for different car springs and driving conditions. | ||
| View original record | To BY/HEB. from Hs/Rm. +7410 Hs/Rm3/LGS.9.28. BUFFER CLEARANCE. x615 With reference to BY/HEB4/M6.9.28. If a car would normally be sprung with 4.125" buffer clearance but the owner wishes to drive… | ||
| Scan101 | The arrangement of the 'SS' front rubber buffer. | ||
| View original record | BY. from DA. c. to BJ. Hs. X7410 DA3/M12.9.23. 'SS' FRONT RUBBER BUFFER. X.7410 X.3864 We send herewith N.sch.2701 shewing the arrgt. of the front buffer on 'SS'. N.sch. 2683 is unaltered, and the… | ||
| Scan102 | The provision of a sliding pad for Phantom rear springs. | ||
| View original record | BY. from DA. c. to BJ. Hs. X7410 DA5/M13.9.28. PHANTOM REAR SPRINGS. X. 7410 X. 8410 As requested by the Expl: Dept: we have gone again into the question of providing a sliding pad for use with… | ||
| Scan103 | Explaining discrepancies between two suspension tests for the 40/50 model. | ||
| View original record | x7410 To DA. from Hs/Rm. Hs/Rml/T17.9.28. 40/50 SUSPENSION. +8210 We regret that we have not previously answered your DAL/M10.9.28 but we have been away from the Works. The apparent discrepancy… | ||
| Scan104 | Changes to the rear springs and fittings for the 12-EX & Phantom models under scheme H 2709. | ||
| View original record | RECS. G. Ha/Rm. X7410 BY/HEBS/M.21.9.28. 12-EX. & PHANTOM. REAR SPRINGS AND FITTINGS SEC:7030. IN ACCORDANCE WITH "H" SCHEME 2709. Kindly receive one Blue Print of:- F.79451 Sliding Plate for Rear… | ||
| Scan105 | Requesting confirmation that part N.sch.2709 is fitted to a 12-EX car to enable standard rear springs to be fitted. | ||
| View original record | Y7410 To RHC. from Hs/Rn. Hs/Rm7/LG21.9.28. 12-EX CAR - REAR SPRINGS. Will you please make certain that N.sch.2709 is fitted to this car to enable standard rear springs to be fitted. Hs/Rn. | ||
| Scan106 | Recommendation for ordering 1400, 1300 and 1200 lbs rear springs for the 18-EX model. | ||
| View original record | To BY. from Hs/Rn. X7410 Hs/Rn4/LG24.9.28. With reference to the rear springs on 18-EX. We recommend that 1400, 1300 and 1200 lbs. springs are ordered for these cars. Hs/Rn. | ||
| Scan107 | Instruction to fit 1500 lbs. 6-leaf 25% stiffer springs from car 12-EX to car 17-EX. | ||
| View original record | To RHC. from Hs/Rn. *7410. Hs/Rn4/LG25.9.28. 17-EX CAR. The 1500 lbs. 6-leaf 25% stiffer type springs removed from 12-EX (F.78264) should be fitted to 17-EX on its return from W.W. See… | ||
| Scan108 | Request to cadmium plate and re-fit the 1600 lbs rear springs for the 10-EX car. | ||
| View original record | To RHC. from hs/Rm. X7410 Hs/Rm5/LG25.9.28. 10-EX CAR. X1360 Will you please cadmium plate the 1600 lbs. rear springs that have been removed from the rear of this car and re-fit them when next 10-EX… | ||
| Scan109 | Recommendation to order 'SS' front road springs of 1050, 1100 and 1150 lbs. | ||
| View original record | X7410 To BY/CGH. from Hs/Rm. Hs/Rm3/LG26.9.28. 'SS' FRONT ROAD SPRINGS. With reference to BY/CGH20/G24.9.28. We recommend that you order 1050, 1100 and 1150 lbs. front springs. Hs/Rm. | ||
| Scan110 | Vehicle springing, ride comfort, weight distribution, and tyre selection for various car models. | ||
| View original record | BJ. BY HS. FROM R. 47410 R1/M1.10.28. c. to Wor. DA. E. C. SG. RE. SPRINGING. X.7410 X.507 X.8410 X.4050 X.5410 X.7830 Certain undesirable characteristics of the cars have been overcome by effective… | ||
| Scan111 | Design of road spring plates, comparing square ends to pointed ends and cantilever to semi-elliptic springs. | ||
| View original record | +7410 BY. HS. from DA. DA3/M2.10.28. ROAD SPRINGS. X.3854 X.7410 X.8410 R. agrees to returning to the Woodhead clip in order to get the ends of the spring plates as flexible as possible. He thinks… | ||
| Scan112 | Standardisation of cadmium plating on road springs and modifications for leaf bedding. | ||
| View original record | To B.J. from Hs. Y7410 Hs4/LGS.10.28. ROAD SPRINGS. Y8410 X1360 With reference to attached correspondence in connection with the above. We are working with the object of standardising cadmium plating… | ||
| Scan113 | Requesting a 40/50 rear engine rubber mounting foot for testing and a change of front springs on the 8-EX car. | ||
| View original record | To RHC. from Hs/Rn. X7410 Hs/Rn7/LG17.10.28. 47005 Will you please let W.Bell have a 40/50 rear engine rubber mounting foot complete for test purposes. Will you also please change the front springs on… | ||
| Scan114 | Impact of rear body length and weight distribution on car riding qualities. | ||
| View original record | Hs. SG. DA/EV. from R. 47410 R7/M20.10.28. c. to BJ. C. Cx. X.7410 X.7830 X7600 X.507 CARS - RIDING QUALITIES, REAR END. DA/EV. is making a series of small drgs. shewing on each of our chassis our… | ||
| Scan115 | Manufacturing process and design of road springs. | ||
| View original record | BY. from R. DA. HS. c. to BJ. Wor. PN. CWB. 47410 R1/M20.10.28. ROAD SPRINGS. X.7410 X.8410 I quite agree that we must stop hollow rolling of spring plates. This is not our work, but is done to make… | ||
| Scan116 | Recommending 1500 lbs. rear springs be made available for 'SS' bodies due to the addition of subframes. | ||
| View original record | To EY. from Hs/Rm. X7410 Hs/Rm4/LG31.10.28. +7380 In view of the fact that all the 'SS' bodies are going to have subframes, we consider it would perhaps be advisable to have a pair of 1500 lbs. rear… | ||
| Scan117 | Persistent squeaks from the front road springs and proposing design alterations. | ||
| View original record | X7440 Hs/Rm7/LG4:12. 28. To R. from Hs/Rm. c. to BJ. Wor. c. to DA. BY. c. to CY. FRONT ROAD SPRINGS. X7440 One of our most persistent troubles is spring squeaks. The main source of this complaint is… | ||
| Scan118 | Diagram illustrating the lubrication of a flexible cable spring. | ||
| View original record | FLEXIBLE CABLE SPRING LUBRICATION. | ||
| Scan119 | Blueprint detailing the rear anchorage assembly for a front spring. | ||
| View original record | NSC-2091 ROLLS-ROYCE, LIMITED. PRINT ROOM 30 NOV 1928 DERBY. REAR ANCHORAGE FRONT SPRING SCALE 1/1 SECRET EAC VII .212 .160 MAX. REBOUND NORMAL MAX. BUMP 2 - .375 TAPER BOLTS 4 - .43 TAPER BOLTS 2 -… | ||
| Scan120 | Internal memorandum confirming previous results on car springing. | ||
| View original record | X7410 To Mx. from Hs/Rn. c. to BY. Hm. c. to EP. Wer✓ Hs/Rm3/LG6.12.28. SPRINGING. Y82410 Re. MX3/T6.12.28. As will be seen from our previous reports, we entirely confirmed the results obtained on… | ||
| Scan121 | Request to obtain 12 top plates for 'SS' front springs to replace broken ones from the bump rig. | ||
| View original record | To BY. from Hs. c. to R O Y. +2410 Hs2/LG6.12.28. 'SS' FRONT SPRINGS. Will you please obtain for us : 12 top plates suitable for SS. front springs. We want these to replace those which have broken on… | ||
| Scan122 | Short internal memo confirming agreement with a report regarding springing. | ||
| View original record | To Mx. from Hm. Wor. Sy. HS. EF. X7410 Hm18/KW7.12.28. SPRINGING. With reference to your MX3/T6.12.28, kindly note that our experience agrees with your report. Hm. | ||
| Scan123 | Instruction to order 12 top plates for S.S. front springs to replace breakages occurring on the bumping rig. | ||
| View original record | ROY. c. Hs. X7410 BY2/G.7.12.28. S.S. FRONT SPRINGS. ------------------- Will you kindly arrange in accordance with Hs2/LG.6.12.28. to immediately order, preferably by telephone to save time, 12 top… | ||
| Scan124 | Specifying the correct front and rear springs for models 14-G-1V and 19-EX, including a note on cadmium plating. | ||
| View original record | X7400 H. Smith from Hs/Rn. Hs/RM/LG10.12.28. X5410 We have now decided that the correct springs for 14-G-1V are :- 650 lbs. front F.55524. 800 lbs.rear F.55509. 19-EX :- 1050 lbs. front. 1300 lbs.… | ||
| Scan125 | Order for 'SS' springs of various weights. | ||
| View original record | 47410 To BY. from Hs/Rm. c. to Roy. Hs/Rm4/LG10.12.28. 'SS' SPRINGS. Will you please order for the above :- 1 pair 950 lbs. front. 2 " 1000 " " 1 pair 1200 " rear. 1 pair 1100 " rear. Hs/Rm. | ||
| Scan126 | Potential improvements for the 'SS' model's spring lubrication system. | ||
| View original record | To DA. from HS/Rm. X7410 HS/Rm3/LG11.12.28. 'SS' SPRING LUBRICATION. X7410 X1360 We want, if possible, to start the 'SS' off with the best method of spring lubrication that we know of. We shall have… | ||
| Scan127 | Technical memorandum discussing experiments and methods for improving the lubrication of 'SS' front springs. | ||
| View original record | BY. From DA. c. to BJ. HS. X7410 DA2/M20.12.28. 'SS' FRONT SPRING LUBRICATION. X.7410 X.3806 With reference to the question of improving the lubrication of the front springs we have made N.sch.2737… | ||
| Scan128 | Continued note on the beneficial effect of radius rod action on the spring during front brake application. | ||
| View original record | contd :- -2- We are under the impression that it would have a beneficial effect on the radius rod action on the spring on the application of the front brakes, that is to say, it appears to have a… | ||
| Scan129 | Confirming that the 'SS' spring lubrication will be the next job for the first chassis. | ||
| View original record | Hs. from DA. X. 7410 DA1/M13.12.28. 'SS' SPRING LUBRICATION. Replying to Hs/Rm3/LG, we will take up the spring lubrication as the next job, unless something urgent in connection with the first chassis… | ||
| Scan130 | Length of the 'SS' chassis, comparing it to competitors and suggesting design improvements. | ||
| View original record | Hs. DA. from R. E. c. to BJ. Wor. Sg. C. BY. X7410 R1/M26.12.28. 'SS' CHASSIS. X.7770 (crossed out) X. 7830 X. 7410 X 7600 Sales are alarmed at the length. Naturally we should compare our chassis with… | ||
| Scan131 | Chassis design, dimensions, and comparisons with the Phantom model. | ||
| View original record | contd :- -2- length we can get one wheel at the back, and probably - with little or no increase - front dampers. In this we give 3" for extra length of front springs. In SG's memo. of 21.12.28 present… | ||
| Scan132 | Continued page of a typed letter or memorandum discussing a particular subject. | ||
| View original record | contd :- -3- But do not blame SS. because it gives you good things which you cannot now have. Any change generally gives some disadvantages for the advantages. I say in this case it is well worth it.… | ||
| Scan133 | Explaining the difference in stress range and life between front and rear road springs. | ||
| View original record | X.7410 Hs/Rm. from Day DA4/MS.1.29. ROAD SPRINGS. Since speaking to you on the subject of the difference in the life of front and rear road springs on the bump, it has occurred to me that the… | ||
| Scan134 | The 'SS' bumper chassis testing on the bumping rig, discussing front spring life and new hydraulic shock dampers. | ||
| View original record | To DA. From Hs/Rn. c. to BY. c. to Wor. 47410 Hs/Rm1/LG11.1.29. 'SS' BUMPER CHASSIS. X235 48772 Attached herewith is a complete report on the running of the SS. chassis on the bumping rig. You will… | ||
| Scan135 | Analysis of failures during a 200-hour bumping rig test on an 'SS' chassis. | ||
| View original record | Hs/Tan/LGl1.1.29. 'SS' CHASSIS ON BUMPING RIG. Below we give an analysis of the failures during 200 hrs. running of this test. The front and rear ends were bumped for 100 hrs. each. Drum r.p.m. 105.… | ||
| Scan136 | Test report logging the operational lives and failure times of various components like levers, shafts, and casings. | ||
| View original record | contd :- -2- INSIDE LEVERS. Several of these broke - their lives were :- With 8 restrictions : N.S. F.79313. O.S. F.79314. 6 hrs. 30 mins. 6 hrs. 30 mins. 1 hr. 15 mins. 1 hr. 15 mins. With 5… | ||
| Scan137 | Testing of rear shock absorbers, including conditions and failures over time. | ||
| View original record | contd :- -3- REAR SHOCK ABSORBERS. These were fitted when the rear of the car had already done 57 hrs. 45 mins. on the drums. Conditions : Tyres at 60 lbs/sq. in. Spare wheel carrier with 2 wheels.… | ||
| Scan138 | Log of spring testing, detailing life, running conditions, and failure points. | ||
| View original record | TABLE_START Column Header: Piece No. Column Header: Spring No. Column Header: Life. Hrs.Mins. Column Header: Running conditions. e.g. Dampers. Column Header: Where broken. Column Header: Brinell of… | ||
| Scan139 | Drawing and failure analysis of a rear shock absorber piston which broke after 45 minutes of running. | ||
| View original record | PIECE Nº F.79723 BROKE HERE AFTER RUNNING 45 MINUTES PISTON REAR SHOCK ABSORBER 'N'S THIS SHOCK ABSORBER WAS FITTED WITH 8 DYNAMIC RESTRICTION WASHERS Fretwell ROLLS-ROYCE LIMITED DERBY 11 JAN 1925 | ||
| Scan140 | Blueprint diagram of an Axle Control Damper Casing, noting a failure point from a test run. | ||
| View original record | AXLE 'CONTROL' DAMPER CASING' N.S. F.79306 BROKE HERE J.Greatorex TIME RUN 29 HRS 56 MINS ROLLS-ROYCE, LIMITED INSPECT. DEPT. DERBY 11 JAN 1928 | ||
| Scan141 | Blueprint showing a fracture on a front spring clip after a timed test run. | ||
| View original record | BROKE HERE TIME RUN 61 HRS 20 MINS FRONT SPRING CLIP Grealom ROLLS-ROYCE, LIMITED 11 JAN 1929 | ||
| Scan142 | Diagram showing the failure points of a bracket on a steering column after a timed run. | ||
| View original record | BROKE HERE BRACKET ON STEERING COLUMN F-78892 & F-78893 TIMEE RUN 46HRS 20MINS [Stamped Text] ROLLS ROYCE POSTED 11 JAN 1929 DERBY | ||
| Scan143 | Specifying the standard poundages for 'SS' road springs and a special type for light cars. | ||
| View original record | To BY. from Hs/Rn. c. to DA. X7410 Hs/Rm4/LG21.1.29. 'SS' ROAD SPRINGS. We consider that the following spring poundages will cover 90% of the cars turned out. Front 950 lbs. 1000 lbs. 1050 lbs. Rear… | ||
| Scan144 | Suggestion for a centralised spring lubrication system and recommending it be patented. | ||
| View original record | DA. Hs. from R. BY. c. to BJ. Wor. c. to Ss. E. X7410 R3/M23.1.29. CARS - SPRING (ROAD) LUBRICATION. X.7410 X.3806 X.5410 Mr. Day gives us a suggestion for carrying the centralised oiling from the… | ||
| Scan145 | Specifying the required weight for 'SS' road springs for maximum type bodies. | ||
| View original record | +7410. To BY. from Hs/Rn. c to DA Hs/Rn2/LG29.1.29. 'SS' ROAD SPRINGS. Further to our Hs/Rn4/LG21.1.29. We find that for our maximum type bodies we shall require 1100 lbs. front springs and 1400 lbs.… | ||
| Scan146 | Design of the rear spring front anchorage, referencing a drawing and questioning differences compared to front springs. | ||
| View original record | G.7410 BY. from DA. DA3/MBW.1.29. c. to BJ. Hs. SS. REAR SPRING FRONT ANCHORAGE. Herewith we send N.Sch. 2813 shewing the aluminium die castings enlarged to enable the gaiter to be carried beyond the… | ||
| Scan147 | Testing procedures for lubricated road springs on the 20-EX model. | ||
| View original record | To RHC. From HS/Rm. X7410 HS/RmL/LG30.1.29. LUBRICATED ROAD SPRING FOR 20-EX. We think that the most effective way of testing the modified schemes of spring lubrication is to confine the modification… | ||
| Scan148 | Blueprint diagram for a spring lubrication system. | ||
| View original record | SPRING LUBRICATION RUN SLOTS WELL OUT TO SPRING TIPS. | ||
| Scan149 | Almost entirely illegible document featuring only a purple ink stamp. | ||
| View original record | Main text is unreadable. Stamp text: ROYCE, LIMITED ...F ROOM, 30 JAN 1929 DERBY. | ||
| Scan150 | Secret internal memorandum discussing issues with front spring anchorage, lubrication, and pendulum lever wear. | ||
| View original record | Hs. from DA. c. to BY. Y7410 DA1/M30.1.29. S E C R E T. S.S. X.7770 X.7430 X.7410 X.3806 With reference to Hs2/LG25.1.29. and Hs/Rml/LG 25.1.29., we are dealing with the points mentioned where… | ||
| Scan151 | Communication discussing issues with pipe joints and suggestions for protecting overflow pipes from mud. | ||
| View original record | contd :- -2- With reference to Item 1. we are sending you immediately some suggestions for protecting these overflow pipes from mud. X.3806 With reference to the items in MSxx HS2/LG25.1.29 the petrol… | ||
| Scan152 | Internal memorandum regarding 'SS' Spring Lubrication experiments and instructing parts for a car going to France. | ||
| View original record | To BY. from Hs/Rm. X7410 Hs/Rm4/LG1.2.28. 'SS' SPRING LUBRICATION. X7410 In view of our recent experiments on spring lubrication to N.sch.2787. We are very anxious to get the enlarged casting… | ||
| Scan153 | Lubrication test for 'SS' road springs, proposing a 10,000-mile trial on a vehicle. | ||
| View original record | To R. From Hs/Rn. c. to BJ. SG. c. to Wor. E. c. to DA. BY. c. to OY. Hm. X7410 Hs/Rn2/LG1.2.29. 'SS' ROAD SPRINGS. We have run a front spring to N.sch.2737 No.3. arrangement for 30 hrs. on the pump.… | ||
| Scan154 | The poundage specifications for J.2. Series road springs. | ||
| View original record | X7410 Hs/Rm. c. to BY. S.S. Roy/Dm7/EH.6.2.29. J.2. SERIES ROAD SPRINGS. Fronts F.78792. Rears F.79439. We understand that contrary to Hs/Rm4/LG21.1.29 and further note Hs/Rm2/LG29.1.29, a large… | ||
| Scan155 | Modified allocation of S.S. springs to be sent to Messrs. Firths. | ||
| View original record | ~~ROY.~~ c.c. BY/HEB. c. HS. X7410 BY5/G.8.2.29. S.S. SPRINGS. -------------- Referring to the allocation of the first 50 sets of springs, in regard to the poundages outlined in Hs/RM2/LG.29.1.29., in… | ||
| Scan156 | Table of weights for front and rear road springs for a Super-Sports model. | ||
| View original record | SUPER-SPORTS X7410 WEIGHTS OF ROAD SPRINGS. FRONT. F78794 TYPE. | BULK.WEIGHT. 950 LBS. | 39 LBS 1,000 LBS. | 40.25 LBS 1,050 LBS | 1,100 LBS | 40.25 LBS 1,150 LBS. | 1,200 LBS | 1,250 LBS | REAR… | ||
| Scan157 | Elimination of special springing provisions for the Continent and Australia. | ||
| View original record | HS. X7410 BY/G.19.2.29. SS. SPRINGING. It seems to me that with the new combination of springs and dampers that we can eliminate any special provision for the Continent and Australia. In regard to… | ||
| Scan158 | Springing poundages for the 'SS' and 20 HP models. | ||
| View original record | BY/HEB. Hs. C. Mx. C. EP. X7410 BYG/G.22.2.29. 'SS' and 20 HP. SPRINGING. In view of the improved combination of springs and dampers, and that the trial was run with springs of English poundage, it is… | ||
| Scan159 | Modifications to the lubrication of spring gaiters on the Phantom model. | ||
| View original record | SG. OY. Hs. from R. +7410 R4/M2.3.29. PHANTOM - RE. SPRING GAITERS. X.7410 X.3745 X.3806 I have not sufficient practical experience to say much about Mr. Olley's suggested modification to the above,… | ||
| Scan160 | Interpreting a telegram regarding feedback on a car's performance, detailing required modifications to springs, dampers, and other components. | ||
| View original record | BY. HS. from DA. +7410. DA1/M22.3.29. SS. FRAME. X.7380 X.7520 X.7410 We have received the following telegram from R :- "DAY - CAR WITHOUT CROSS MEMBER QUITE SATISFACTORY YOUR SPRING LUBRICATION HAS… | ||
| Scan161 | Phantom road spring lubrication issues and a proposed solution using an Enots gun. | ||
| View original record | To R. from Hs/Rm. c. to Ss. Wor. c. to E. DA. c. to Hm. BY. c. to OY. 47410 Hs/Rm/LG26.3.29. PHANTOM ROAD SPRING LUBRICATION. X7980 In the Repair Dept. list of complaints, those concerning suspension… | ||
| Scan162 | Manufacturing and supply of S.S. springs for the first 50 SS chassis. | ||
| View original record | X7410. O.C. [crossed out] Hy. [crossed out] E./Insp. [crossed out] C. Hs. S.S. SPRINGS. ----------- As we are now rapidly reaching the end of the 50 sets of material which it was agreed should be… | ||
| Scan163 | The 'S.S' model's rear spring clip fouling the subframe and a proposed solution. | ||
| View original record | DA. c. Hs c. BY/HB. X7410 BY7/G.9.4.29. 'S.S' REAR SPRINGS CLEARING SUBFRAME. You will probably have noticed in Mr. Hancock's reports that he has mentioned on one or two occasions the fact that at… | ||
| Scan164 | Lubrication system for road springs. | ||
| View original record | Hs. Y7410 Mx2/T9.4.29. RE SPRING LUBRICATION The system at present employed to lubricate the road springs is working satisfactorily, but cannot of course be taken to represent the best that can… | ||
| Scan165 | Decision to increase the rating of 'SS' springs by 10% due to them being too flexible. | ||
| View original record | X7410. To BY. from Hs. c. to DA. Wor. Hs3/LG10.4.29. 'SS' SPRINGS. The stock of S.S. springs should be kept down to the minimum because R. has already instructed that the rating of them should be… | ||
| Scan166 | Comparative stiffness, deflection, and rating of 'SS' springs versus the standard 40/50 HP springs. | ||
| View original record | BY. from Hs/Rn. c. to DA. X7410 Hs/Rn7/LG11.4.29. 'SS' SPRINGS. Hs. said that R. mentioned that he wanted the S.S. springs to be 10% stiffer because the rating was now so low that the back of the car… | ||
| Scan167 | Modified lubrication holes and grooves in road springs for the 'SS' Chassis to cure squeaking. | ||
| View original record | 47410 C. Hs. BY/HEB6/M.15.4.29. "SS" CHASSIS. FRONT SPRINGS AND FITTINGS SEC:7020. REAR SPRINGS AND FITTINGS SEC:7030. MODIFIED LUBRICATION HOLES AND GROOVES IN ROAD SPRINGS IN ACCORDANCE WITH "N"… | ||
| Scan168 | Modifications to road springs, focusing on drilling, grooving, and oiling methods. | ||
| View original record | To BY. from Hs/Rm. X7410 Hs/Rm2/LG16.4.29. S.S. ROAD SPRINGS. With reference to BY/HEB6/15.4.29. We agree that to begin with it is a good idea to confine the drilling and grooving of the springs to… | ||
| Scan169 | Design and lubrication of road springs, proposing the use of extra flexible tips. | ||
| View original record | Hs/Rm. BY/HER Y7410 BY10/G.17.4.29. ROAD SPRINGS - LUBRICATION. ------------------------- Referring to Hs/Rm2/LG.16.4.29. we do not think actual bedding of one spring to another is feasible, but we… | ||
| Scan170 | Requesting to fit specific front and rear springs to chassis 23-EX, detailing the required poundage after treatment. | ||
| View original record | To RHC. from Hs/Rm. X7410 Hs/Rm3/LG23. 4. 29. X1360 Will you please arrange to fit the following springs to 23-EX :- Front 950 lbs. Rear 1200 lbs. These loadings should be obtained at the normal… | ||
| Scan171 | Letter regarding new parts and suspension testing for the 22-EX experimental car. | ||
| View original record | 47410 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. Hs/Rm2/LG23.4.29. 47941 Hotel de France, Chateauroux, Indre, France. Mr. Hancock from Hs/Rm. We have wired you today as follows :- PLEASE SEND MAN TO… | ||
| Scan172 | Continuation of instructions for vehicle testing, detailing ballast, shock absorber, and steering settings. | ||
| View original record | contd :- -2- touring speeds on an average road, we should like you to try ballast xxxxxx until you consider you have reached the limit of freedom from hitting the buffers. This test should be carried… | ||
| Scan173 | Poundage modifications for axle springs on the J.2 Series Chassis. | ||
| View original record | X74w To BY. from ROY. c. to Hs. ROY12/MG13.5.29 AXLE SPRINGS You will recollect we had two or three modifications in the poundage percentages of the Axle Springs sepcified for the first 50 sets J.2… | ||
| Scan174 | Recommendation for S.S. road spring percentages and material for the next 50 sets. | ||
| View original record | Y7410 To ROY. from Hs/Rm. c. to BY. Hs/Rm2/LG14.5.29. S.S. ROAD SPRINGS. With reference to ROY12/MG13.5.29. Further experience with the S.S. XXXX cars leads us to recommend the following spring… | ||
| Scan175 | Experiments with drilled valves in shock absorbers to improve riding quality and comparing a Chrysler to a Phantom. | ||
| View original record | To OY. from Hs/Rm. X7410 Hs/Rm5/LG14.5.29. RIDING QUALITY. X7410 X235 With reference to your note of the 11th. ult. The best way I can answer some of your queries is to tell you what we have been… | ||
| Scan176 | Vehicle suspension and ride comfort, comparing different body types and weight distributions for driving on continental roads. | ||
| View original record | contd :- -2- the main criticism I have of Chryslers in this country is regarding suspension. Therefore although we may seem to lay undue stress on the firmness that we require in our suspension it is… | ||
| Scan177 | Suspension components, including road springs, gaiters, and shock absorbers, to improve ride comfort. | ||
| View original record | contd :- -3- invaluable adjunct for lowering the pitching speed and increasing the comfort of the passengers in the rear seatx seats. Incidentally, all our observations on riding comfort refer to the… | ||
| Scan178 | Shock absorber testing, detailing load settings and observations on ride quality. | ||
| View original record | contd :- -4- that the loads at the rear should be as high as 75 lbs. up and 150 lbs. down. We started all our tests on shock absorbers over again with the supposition that R. was right and starting… | ||
| Scan179 | Shock absorber loadings and drilled valves to achieve a good ride. | ||
| View original record | contd :- -5- We do believe that this helps to get a soft ride even with quite appreciable shock absorber loadings. We may find that we can get even better results than we have obtained so far by means… | ||
| Scan180 | Urgent internal request for various car springs to be cadmium plated and grooved. | ||
| View original record | X7410 To RHC/HS. from Hs/Rm. Hs/Rm2/LG29.5.29. X1360 Will you please arrange to get the 1100 lbs. rear SS. springs in the Stores cadmium plated and grooved according to the latest practice. These… | ||
| Scan181 | Letter from Rolls-Royce of America to Derby discussing riding quality, weight distribution, and spring oiling. | ||
| View original record | X7410 ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. OY-11 May 31st, 1929. Mr. Robotham, Rolls Royce Ltd., Derby, England. Dear Mr. Robotham: RIDING QUALITY Many thanks for your note Hs.RM5.LG May… | ||
| Scan182 | Letter to Mr. Robotham discussing the development of a Castor oil scraper ring, including a diagram. | ||
| View original record | ROLLS-ROYCE INC. AMERICA SPRINGFIELD, MASS. YO-11 May 21st, 1929. Mr. Robotham. Rolls Royce Ltd., Derby, England. Dear Mr. Robotham: HERRING CYLINDER Many thanks for your note of 28th April. It is not… | ||
| Scan183 | List of springs fitted to experimental cars with corresponding complete car weights. | ||
| View original record | To BY/SS. from Hs/Rn. X7410 Hs/Rm1/LG3. 6. 29. 47840 The following are springs which we have fitted successfully to experimental cars :- Complete Springs car wt. fitted. 18-EX 44 cwts. 2 qrs. Front… | ||
| Scan184 | Request to prepare a bumper chassis for testing new improved spring grooving, a new exhaust system, engine mounting and frame cross members. | ||
| View original record | To RHC. from Hs/Rn. X7410 Hs/Ro4/LG18.6.29. BUMPER CHASSIS. X8772 We wish to run the bumper chassis as soon as possible to test out the new improved spring grooving on a pair of front springs. At the… | ||
| Scan185 | Suggestion memo regarding buffer clearances and specifications for fitting springs. | ||
| View original record | X7410 To HEB. from Hs/Rm. Hs/Rm3/LG24. 6.29. Suggest O.S. and N.S. buffer clearances of the complete car should not vary by more than .375 and that the stronger springs should always be fitted on the… | ||
| Scan186 | Recommending road spring loads for chassis nos. 1-WJ and 14-WJ, based on the weight of an 18-EX body. | ||
| View original record | X7410 X7830 To D/BP. from Hs/Rm. Hs/Rm2/LG26. 6. 29. Chassis Nos. 1-WJ. Trials car - 14-WJ - Olympia, RR. Stand. With reference to D/BP/HD6/WS29. 5. 29. The weight of 18-EX body complete with wings,… | ||
| Scan187 | Urgent request for two modified SS front springs with specific camber requirements for experimental work. | ||
| View original record | X7410 To ROY. from Hs/Rn. HS/Rn2/LG28. 6. 29. Will you please order for us for experimental work : 2 SS. front springs 1100 lbs. F.78797 having a free camber of 2.5" and a normal loaded camber of .6"… | ||
| Scan188 | Cost and effectiveness of the current manufacturing method for road springs. | ||
| View original record | X7410 HS/MJ. 23.7.29. To Won. from Hs. c. to BY. X7410. X8410 Y3900 ROAD SPRINGS. ------------ We feel that the present method of manufacturing road springs is likely to be very expensive and there is… | ||
| Scan189 | Instructions for providing a lubrication scheme on 40/50 HP Chassis 'J-2' Series road springs. | ||
| View original record | X7410. BY/Cgh14/N.26.7.29. Re: 40/50 HP. Chassis "J-2" Series Road Springs. Further to BY/Cgh11/N.26.7.29, it has been decided that the road springs are to be provided with the lubrication scheme on… | ||
| Scan190 | Production car modifications for S.S. Cars, covering road spring pillars, servo lining, thermostats, and exhaust fittings. | ||
| View original record | To HY. from HS. C. to WOP. EP C. to HX. [scribbled out] X7410. HS.2/MF. 26.7.29. X7770 X7410 X7230 X7370 S.S. CARS. ----------- Replying to Tmn7/H. 25.7.29. We expect that there will be one or two… | ||
| Scan191 | Recommended modifications for S.S. cars concerning steering and lubrication. | ||
| View original record | -2- e. Further points on the S.S. cars which we re- commend should be dealt with as soon as possible are - alteration to side steering tube ball pads to prevent clicking, modification to the… | ||
| Scan192 | Secret internal memorandum regarding an urgent conference to discuss the manufacturing method of S.S. Springs and the need to cut expenses. | ||
| View original record | X7410. SECRET. Wor10/H.8.8.29. To Hs. C/o By. [Text struck through] Re: S.S. SPRINGS. I think it is very urgent that we have a Conference early next week to discuss the method of making these springs.… | ||
| Scan193 | Converting experimental chassis road spring groovings to the production standard. | ||
| View original record | To RHC. from HS/Rn. c.c. to AJL x7410. filing Hs/Rm.1/MJ. 20.3.23. CHASSIS ROAD SPRINGS. We have a number of different varieties of road springs groovings running on our Experimental cars. In most… | ||
| Scan194 | Proposal for using stiffer road springs on the Phantom II sports car. | ||
| View original record | X 7410 To Da. from Hs/Rm. c. By. Hs/Rm5/ADL9.10.39. PHANTOM II SPORTS CAR REAR SPRINGS. When discussing the Phantom II sports car proposal, R. agreed that we should use stiffer type road springs on… | ||
| Scan195 | Vehicle spring weights, durability, and potential weight savings. | ||
| View original record | -2- that with these springs its depth should be reduced to 1.250 deep. With regard to spring weights. The present 1100 rear spring weighs 78.75 lbs, the 1050 front spring 40.25 lbs. The improvement in… | ||
| Scan196 | Expenses for the Phantom II, specifically concerning Firth's prices and a £6,000 payment. | ||
| View original record | To ar. from Wor. Hs. Roy. X7410. Wor7/T.21.10.29. I attach copy of a note received from RHC., which is self-explanatory. Will you kindly consider this as early as possible with all concerned, to see… | ||
| Scan197 | Road spring prices and manufacturing methods for the Phantom I and Phantom II. | ||
| View original record | Copy. To Wor. from RHC. RE ROAD SPRING PRICES AND MANUFACTURING METHODS. With reference to the conference you intend to call early next week to discuss the spring costs and manufacturing methods, we… | ||
| Scan198 | Price increases and manufacturing specifications of springs for Phantom I and Phantom II cars. | ||
| View original record | -2- Phantom I. Phantom II INCREASE. FRONT SPRING £4. 4. 0. £6. 14. 0. £2. 10. 0. REAR SPRING £4.16. 8. £9. 17. 1. £5. 0. 5. These figures shew an increase over the Phantom I spring prices of 50% in… | ||
| Scan199 | The life and performance of road springs, comparing different designs and the impact of hydraulic shock absorbers. | ||
| View original record | [Handwritten: X7410] To Hs. from Hs/Rm. Hs/Rm5/AD23.10.29. [Handwritten, boxed: X5410, X7410] ROAD SPRINGS. The life of road springs have increased enormously with the fitting of hydraulic shock… | ||
| Scan200 | Use of a hollow rolled plate and an 'exerciser' to improve spring bedding and reduce manufacturing costs. | ||
| View original record | -2- improves the bedding. Additionally, however, we understand that there would be no difficulty on the manufacturing side in giving us a hollow rolled plate with consequent saving in cost, and at the… | ||
| Scan201 | The Phantom II sports car rear springs, discussing proposed changes and weight savings. | ||
| View original record | HS/RM. FROM DA. X7410 DA2/M24.10.29. X. 7410. PHANTOM II. SPORTS CAR REAR SPRINGS. With reference to HS/RM5/AD191029., we shall set out the sports car in a short while. In the meanwhile we agree… | ||
| Scan202 | The differences between American and English car springing, discussing damping, spring plates, and potential future controllable systems. | ||
| View original record | HS.) FROM R. DA.) c. to SG. BY. X7410 RA/1426.10.29. X.3900 X.7772 X.7410 X.8410 AMERICAN AND ENGLISH CAR SPRINGING. With reference to the difference in the American and English springing naturally… | ||
| Scan203 | The springing and shock absorber performance of the Phantom II chassis. | ||
| View original record | P/W "SE" copy "MGM" " Hs" +7410. Pel/RJ.18/II/29. Concerning the springing of Phantom II Chassis Further to my adverse criticism of the springing of 25-WJ (Paris Trials Car) under certain conditions,… | ||
| Scan204 | Chassis spring settings and recommending modifications. | ||
| View original record | -2- Chassis 25-WJ:- O/S Rear: 4" N/S Rear: 4" Chassis 34-WJ:- O/S Rear: 4 1/4" N/S Rear: 4 1/16" Chassis 7-WJ:- O/S Rear 3 11/16" N/S Rear: 3 5/8" Therefore, according to your Standards at Works,… | ||
| Scan205 | The springing of the Phantom II chassis and arranging a follow-up meeting in Derby. | ||
| View original record | X7410. PN.5/WT21.11.29. S/W. BP...from PN. (Struck through) Copy to Hs. Whr. Referring to Psl/RJ18.11.29 the springing of "Phantom II" Chassis. I propose to be in Derby on Tuesday next and would like… | ||
| Scan206 | Springing and shock absorber setup for the Phantom II chassis based on extensive road tests. | ||
| View original record | X.7410. To Ps. from Hs/Rm. c. EP. c. FN. Hs/Rml/AD21.11.29. SPRINGING OF PHANTOM II CHASSIS With reference to Psl/RJ18.11.29. As you are probably aware we have been working continuously on suspension… | ||
| Scan207 | Phantom II hydraulic shock absorbers, their loading limits, and a response to a customer complaint. | ||
| View original record | Hs/Rm/AD21.11.29 contd. -2- (3) Phantom II hydraulic shock absorbers are quite independent of temperature variation internally or externally. (4) The front shock absorber loading must not be made less… | ||
| Scan208 | The cost, finish, and design of Phantom II road springs compared to the Phantom I. | ||
| View original record | X7410. Sg. from R. c. Wor. c. By. Hs. Da. R1/M26.11.29. PHANTOM II SPRINGS. ------------------- Replying to your 3g11/E25.11.29, there is no reason for road springs being more expensive on Phantom II… | ||
| Scan209 | Letter discussing the springing of the Phantom II chassis and proposing further tests to improve riding quality. | ||
| View original record | HS X7410. Sèvres P/W "Hs/Rm" copy "Sp" " "HPN" RECEIVED 9 1929 Psl5/RJ.28/II/29. Re: Springing of Phantom II Chassis Your Hs/Rml/AD.21/II/29 is very edifying, and will greatly assist in endeavouring… | ||
| Scan210 | Cost reduction and manufacturing improvements for Phantom II springs with supplier Firth's. | ||
| View original record | TO FROM WOR. Copy to EH. HS. EW. x7410. Worl/T.7.12.29. PHANTOM 2 SPRINGS. Replying to your Rl/M26.11.29, a brief statement of our efforts may be useful on this subject. As long ago as May 1926 it was… | ||
| Scan211 | Cover memo discussing an attached report on efforts to prevent breakages and reduce costs, with continued work involving Firth's. | ||
| View original record | To R. from Wor. Contd:- Worl/T.7.12.29. I attach copy of a report from BY., which, taken jointly with my memo, will show to you that every effort is being made consistent with being immune from… | ||
| Scan212 | Finish, manufacturing process, and failure analysis of Phantom II springs. | ||
| View original record | Copy. To Wor. from EY. 8th December, 1929. RL/M26.11.29. In regard to Phantom 2 springs, as explained at our conference in London, I do not consider we are doing anything in the way of improved… | ||
| Scan213 | Design alternatives for the Phantom II rear springs and clips to reduce production costs. | ||
| View original record | BY. FROM DA. Copy to SG. Copy to HS. X7410 DAI/M7.12.29. PHANTOM 2. REAR SPRINGS. Herewith we send N. sch. 2998. on which we have shewn the rear spring with a rolled eye at one end, with the object of… | ||
| Scan214 | Complaint about squeaky springs on a Phantom 11 car due to incorrect lubrication. | ||
| View original record | x7410 To Ev. From Hs/Rn. Hs/Rn.4/MJ.7.12.29. PHANTOM 11 SPRINGING. x7410. x7960. The following observation occurs in a memo we have had from Ps. complaining of the springing of his Trials car. "Before… | ||
| Scan215 | The springing on the Phantom II model, advising against unnecessary spring changes. | ||
| View original record | X7410. To PN. From Hs. c. to EP. MX. c. to Wor. Sg. c. to C. Hs.2/MJ.14.12.29. X7410 Phantom ll Springing. We tnink it is a waste of time and money to change springs on Phantom ll when it is found… | ||
| Scan216 | Complaint about Phantom II springing issues related to the lanoline treatment process after cadmium plating. | ||
| View original record | HS/RM. x7410. BY/EM2/J.17.12.29. PHANTOM II SPRINGING. -------------------- With respect to your note HS/RL4/J.7.12.29., we have noted the complaint from Ps. with regard to springs of his Trials Car.… | ||
| Scan217 | Improvements to the Phantom II's riding comfort, focusing on tyre pressure, spring bedding, and shock absorbers. | ||
| View original record | X7410. To Ps. (Paris). From Hs/Rn. He/Rn.2/W.1.1.30. X.7770 X.7410 X.7820 PHANTOM II RIDING. We have now had a fair amount of experience with Phantom II riding. We are sorry it was not possible for us… | ||
| Scan218 | Internal order specifying dimensions for Phantom II front and rear road springs for chassis 23-EX. | ||
| View original record | To O.O. From Hs/Rm. x 7410. Hs/Rm.7/MJ.6.1.30. X.7410 X.7941c. PHANTOM 11 ROAD SPRINGS. Will you please order for us:- Two Phantom 11 Rear Road Springs. Free Camber 5.06" Pos. Normal Loaded Camber… | ||
| Scan219 | Modification and testing of rear road springs for the 40/50 HP Phantom II chassis. | ||
| View original record | ROY c. HS. x 7410 BY/Cgh2/G.14.1.30. 40/50 HP. CHASSIS - REAR ROAD SPRINGS. --------------------------------- We send you herewith print F.81737 and F.81757 showing the rear road springs for the… | ||
| Scan220 | Review of Messrs. Firths' spring drawing, detailing required modifications for the rear spring. | ||
| View original record | By/HEBH H/Rem from 134/Col. 87410 BY/HEB2/M14.1.30. 23-EX. X.4429 X.7410 MESSRS. FIRTHS' SPRING DRAWING. FRONT SPRING. Will be O.K. REAR SPRING.- (1) Solid Eye at Rear of Rear Spring?(Should be… | ||
| Scan221 | Letter to a supplier regarding specifications for special experimental Phantom II rear springs. | ||
| View original record | X7410. See other colour for print X4429 X7410 Expl. Dept. Hs/Rm.1/MJ.16.1 Jan. 16th,1930. Messrs. Thos. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, SPECIAL EXPERIMENTAL PHANTOM 11 REAR… | ||
| Scan222 | Cover letter regarding a communication from a supplier about axle springs for Chassis 23-EX. | ||
| View original record | HS/Rn. X7410 Roy/Dn5/BH22.1.30. Re. Axle Springs for Chassis 23-EX. X4429 We attach hereto a letter received from Thos. Firth and Sons Spring Dept. with reference to the rear springs for the above… | ||
| Scan223 | Proportions of axle springs for model 23-EX with Firth's spring designer. | ||
| View original record | X7410. ROY. From Hs/Rn. Hs/Rn. 4/MJ. 22.1.30. Re. Axle Springs for 23-EX. X4429 With reference to your ROY/Dn5/EH:22.1.30. We are still discussing the exact proportions which these springs shall take… | ||
| Scan224 | Letter to a supplier regarding specifications and delivery of plate springs. | ||
| View original record | +740 Expl. Dept. Hs/Rm3/MJ. Jan. 23rd.1930. MessrsThos. Firth & Sons, Ltd. Norfolk Works, SHEFFIELD. Dear Sirs, With reference to your letter of the 21st.inst. We have examined your drawing of a rear… | ||
| Scan225 | Confirming a settlement with Firth's for the supply of springs to be made to an attached drawing. | ||
| View original record | ROY. From Hs/Rn. V7410. Hs/Rn.1/MJ. 28.1.30. X4479 X7410. We have now settled with Firth's the springs they are going to supply, which will be to the drawing attached hereto. Please return after… | ||
| Scan226 | Substitution of a rolled eye for a solid eye on the Phantom II Rear Axle Spring to reduce costs. | ||
| View original record | COPY. To Hs. From Roy. c. to Wor. c. to By. c. to Hy. X7410. X.4429 X.7410 ROY13/MG.4.2.30. You will recollect some two months ago we discussed in Wor's room the advisability of substituting a rolled… | ||
| Scan227 | Requesting instructions for the inter-leaved lubrication of Sports Car road springs made by Firth's. | ||
| View original record | BY. From Hs/Rn. X7410 Hs/Rn.1/MJ.25.2.30. X4449 X7410 Herewith print of the Sports Car road springs which Firth's have made for us. Will you please issue instructions for the inter- leaved lubrication… | ||
| Scan228 | Modifying front road springs by removing leaves for a test on the S.S. car. | ||
| View original record | RIC. From Hs/Rn. N410 Hs/Rn. 2/MJ.12.3.30. FRONT ROAD SPRINGS. We have been trying to get hold of some very weak front road springs for a test on the S.S. car. We find that if we take two leaves out… | ||
| Scan229 | Recommendation on the positioning of clips on rolled eye rear springs to ensure proper bedding. | ||
| View original record | 8740. BY. From Hs/Rn. c. to Da. Hs/Rn.4/MJ.14.3.30. ROLLED EYE REAR SPRINGS. We have been trying to get a good bedding on a pair of new rolled eye rear springs. We find that at the solid eye end of… | ||
| Scan230 | Blueprint diagram for a rolled eye 40/50 rear spring with measurements. | ||
| View original record | ROLLED EYE 40/50 REAR SPRING B 1.375 A 2.625 | ||
| Scan231 | Almost entirely illegible document bearing a 'Print Room' stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 14 MAY 1930 DERBY. [Main text is illegible] | ||
| Scan232 | Modifications to the road springs for the Phantom II Sports Car (23-EX). | ||
| View original record | To. RHC (Struck through) c. Hs/Rm. BY/HEB3/M.20.3.30. ROAD SPRINGS FOR PHANTOM II.SPORTS CAR(23-EX). FRONT SPRINGS & FITTINGS SEC:7020. REAR SPRINGS & FITTINGS SEC:7030. Please receive herewith two… | ||
| Scan233 | Tests investigating radiator 'jellying' by adjusting front springs and shock absorbers on various chassis. | ||
| View original record | X7410. RADIATOR 'JELLYING'. Hs/Rm.3/MJ.27.3.30. X.3250. X.7410. X.5520. X.457. Tests were carried out fitting 25% stiffer front springs to 22-EX and front springs having 4.45" initial deflection to… | ||
| Scan234 | Report page discussing the effect of torque reaction dampers on radiator 'jelly'ing'. | ||
| View original record | -2- was 'jelly'ing'. We found that the torque reaction dampers had a slight effect on radiator 'jelly'ing'. Hs/Rm. | ||
| Scan235 | Complaints regarding the springing on Phantom II cars, specifically issues with bumping on the rear buffers. | ||
| View original record | BY. HS. EP. Wor. COPY. X7410. X.4117. X.7410. Hm/SB9/KW1.4.30. PHANTOM 11 SPRINGING. We are getting rather a lot of complaints of Phantom ll cars, bumping on the rear buffers, and although some of… | ||
| Scan236 | Log of complaints and fixes for weak rear springs on the Phantom 11 model. | ||
| View original record | COMPLAINTS OF WEAK REAR SPRINGS - PHANTOM 11. Chass. NO. Normal Load. Rear Axle Wt. Buffer Clearance. Orig. Springs. Replaced by 1-WJ. 4 pass. No Record. 1100 + lbs. 1200+lbs. 31-WJ. 3 pass. 1cwt. L.… | ||
| Scan237 | Standardisation of Phantom II rear axle springs and ordering 40/50 HP springs from Messrs. Firth. | ||
| View original record | X7410 To Hs. from ROY. c. to WOR. c. to BY c. to HY ROY3/MG4.4.30 Axle Springs Reverting to ROY13/MG4.2.30 (copy herewith) and the possibility of standardising a rolled Eye on the PHANTOM II Rear Axle… | ||
| Scan238 | Substitution of a rolled eye for a solid eye on the Phantom II Rear Axle Spring to reduce costs. | ||
| View original record | Copy To Hs. from ROY. C. to Wor. C. to BX C. to HY ----------- ROY13/MG4.2.30 ----------- You will recollect some two months ago we discussed in Wor's room the advisability of substituting a rolled… | ||
| Scan239 | Application of the Bijur lubrication system to a front axle, suggesting the retention of drip plugs. | ||
| View original record | X7420. By. from Da. c. Hs. Dal/G10.4.30. X3806 X7420. BIJUR LUBRICATION OF FRONT AXLE. With reference to Hs/Rm5/MJ4.4.30. this it is understood applies to the standard Enots system. It does not follow… | ||
| Scan240 | Order request for a set of stiffer type road springs for experimental use on Major Segrave's car. | ||
| View original record | Y7410 O.O. From Hs/RM. Hs/Rm.1/WJ.12.4.30. STIFFFER TYPE ROAD SPRINGS. X7410 Y4429 Will you please order from Messrs. Firth Ltd., a complete set of stiffer type road springs exactly similar to those… | ||
| Scan241 | Suspension tests on the Phantom II, focusing on front spring stiffness to resolve 'jellying' and pitching issues. | ||
| View original record | X7410 To R. from Hs/Rm ( Held up ) c. to Wor. Da. c. to E. Sg. c. to Hm. Ev. HS/RM2/MJ12.4.30. X7410 X7005 PHANTOM II SUSPENSION. During our recent tests on radiator 'jellying' we had occasion to fit… | ||
| Scan242 | Blueprint for the rear road springs of a Phantom II Sports Car (23-EX). | ||
| View original record | x7410. c. Hs/Rm. BY/HEB2/M.24.4.30. ROAD SPRINGS FOR PHANTOM II.SPORTS CAR(23-EX). REAR SPRINGS & FITTINGS SEC:7030. Further to our memo' BY/HEB3/M.20.3.30, kindly receive one Blue Print of:- F.82032… | ||
| Scan243 | Series of recommendations on springs, damping, and tyre pressures for Phantom II and 25 HP models. | ||
| View original record | X7410 HS. E. ) FROM R. DB. OV. ) C. SG. MOT. FN. C. BV. EP. R/W.4.5.30. X.7772 X.3806 X.7520 X.5520 X.7410 X.5410 X.235. PHANTOM II. AND 25 HP. AMERICAN & EUROPEAN ROAD SPRINGS AND DAMPING. During Hs.… | ||
| Scan244 | Advantages and disadvantages of stiffer springs for the Phantom 11 and 20 HP models. | ||
| View original record | To R. From Hs/Rn. c. to Sg. Wor. c. to E. Da. c. to BY. Cy. c. to PN. EP. x7410. Hs/Rn.1/MJ.14.5.30. X. 7410 X. 5410 X 7520 X 8520 X 4117. PHANTOM 11 AND 20 HP. SPRINGING. With reference to… | ||
| Scan245 | Analysis of customer complaints regarding rear seat ride quality, specifically low speed dithering and pitching issues. | ||
| View original record | -2- Hs/RM.1/MJ.14.5.30.Contd. about, but unfortunately not 5% of the cars sold are of this type. All our observations, unless otherwise qualified, refer to the rear seats of the car. In our opinion… | ||
| Scan246 | Vehicle suspension issues, discussing spring ratings, deflection complaints, and potential compromises. | ||
| View original record | -3- Hs/Rn.1/ML.14.5.30.Contd. 'bus services. This complaint cannot be dealt with by the rear spring rating, at present we should say that the majority of the cars leaving the Works have over 9" rear… | ||
| Scan247 | Poor road holding at high speeds and potential improvements to front suspension. | ||
| View original record | -4- HS/Rm.1/MJ.14.5.30.Contd. (3) Poor Road Holding at High Speeds. The fact that we have been able to satisfy Mr. Fairey with standard road springs and increased poundage on the hydraulics indicates… | ||
| Scan248 | Results of fitting new lower rated front and stronger rear springs to chassis 82-AL. | ||
| View original record | COPY. w/s C. c. Wor. c. to Hs. c. to By. c. to Sy. HHS/5.5.30. Re. Chassis 82-AL. Clifford Turner, Esq. The new type lower rated front springs were fitted to this car at N. last Thursday, together… | ||
| Scan249 | Letter discussing the spring performance and axle weights of a Phantom II vehicle on various road conditions. | ||
| View original record | X7410 Hm. Derby D. to By. Derby C. to HS. Derby Bombay, NRC9/G15.5.30. Re: Springs - Phantom II -------------------- I am very glad to have your Hm/SB16/KW26.3.30 and the excellent chart R2146… | ||
| Scan250 | Ongoing 'Springing Complaints' for the Phantom I and the newly introduced Phantom II models. | ||
| View original record | Hs V7410 To. Wer. from Sg. re Springing Sg18/E15.5.30 Copy to BY. Hs. Complaints. Rm. Ar. As you are aware our worst complaint for years on Phantom I was springing, and it cost - and is still costing… | ||
| Scan251 | List of customer complaints regarding suspension issues on the Phantom II model. | ||
| View original record | COPY. C........from H. H7/H8.5.30. PHANTOM II SPRINGING COMPLAINTS. CURRENT COMPLAINTS. 124-WJ. Pomeroy Burton. Car abroad and no particulars yet received. Hm. in records considers this more likely to… | ||
| Scan252 | List of past customer complaints regarding vehicle suspension and handling issues. | ||
| View original record | -2- PAST COMPLAINTS. 87-WJ. N.C. Macnamara. "Bumping on buffers" and brake drums fouling sub-frame. Complaint received at Nice Depot. Car at N. March 26th. New buffers fitted to clear sub-frame and… | ||
| Scan253 | Suggestion for front springs with two ratings and its application to the Phantom II model. | ||
| View original record | COPY. X7410 To Rn. From Oy. c. to E. c. to By. Oy3/DM.15.5.30. X.5410. X.7410. X.3900. Front Springs. Sec. 7020. ----------------------- Your suggestion in Hs/Rnl/MJ.14.5.30. of a spring of two… | ||
| Scan254 | Order specification for a pair of special low rating front springs for the Phantom II. | ||
| View original record | X7410. O.C. From Hs/Rn. HS/Rn.4/W.19.5.30. X4479 X7410 PHANTOM 11 SPECIAL LOW RATING FRONT SPRINGS. Will you please order for us from Messrs. Firths a pair of special front springs to the following… | ||
| Scan255 | Two lists of complaints regarding vehicle springing. | ||
| View original record | WOR. c. Hs. Y7410 BY7/G.19.5.30. SPRINGING COMPLAINTS. I attach hereto copy of two other lists on springing complaints that I have been given, as the result of Sg's request for further information.… | ||
| Scan256 | List of customer complaints regarding Phantom II springing issues, specifically bumping on buffers. | ||
| View original record | Hm/SB1/KW.19.5.30. PHANTOM II SPRINGING COMPLAINTS. Bumping on Buffers. 21-GN. Vanderbilt. Owner touring in Algiers and complains of crashing on buffers. Body 2 cwts. overweight but springs too weak… | ||
| Scan257 | Log of vehicle suspension issues and remedies for specific chassis. | ||
| View original record | - 2 - 23-XJ. MacTaggart. Bumps on rear buffers and dithers. Body weights O.K. 100 lbs. stronger rear springs and drilled H.P. valves. X 31-WJ. Paget. Bumps on rear buffers. Body 1 cwt. overweight. 150… | ||
| Scan258 | Hard riding issue and the proposed solution of drilling HP valves in shock absorbers. | ||
| View original record | - 3 - 70-XJ. Bainbridge. Hard riding in rear seats and dithers. Will probably be overcome by drilling H.P. valves in shock absorbers. Hm. [X] These cases are already mentioned in H7/H.8.5.30. | ||
| Scan259 | List of springing complaints and repairs for Phantom II chassis. | ||
| View original record | N-W. BY. c. to Sg. A15/H.17.5.30. RE REPAIRS - SPRINGING COMPLAINTS. As instructed in Sg18/E.15.5.30. I am giving you below a list of the Phantom 11 chassis in respect of which we have received… | ||
| Scan260 | Springing specifications for the Phantom II, in response to a memo from the Paris Depot. | ||
| View original record | RH. Hs. C. Wcr. X7410. x7410 x5410 EP/Thn6/H21.5.30. re. Springing. Memo.from Paris. We attach hereto for your information copy of memorandum which we have received from Paris Depot. This matter was… | ||
| Scan261 | Urgent memo regarding an epidemic of weak springing on 25 HP and Phantom II chassis, with recommendations for fitting stronger springs. | ||
| View original record | COPY. Sevres. c. to Hm c. to EP. PS1/MLB.15.5.30. VERY IMPORTANT & URGENT. re. SPRINGING. We have now an epidemic of weak springing on both 25 HP. and Phantom II. Although I agree that Coachbuilders… | ||
| Scan262 | Customer complaints regarding the riding qualities and springing of the Phantom II and 25 HP models. | ||
| View original record | COPY. To R. From Hs/Rn. c. to Sg. Wor. c. to Da. E. c. to Dy. Cy. c. to PN. EP. X7410 Hs/Rn. 2/MJ. 23.5.30. X.4117 X.7410 X.5410 X.7520 X.5520 RIDING QUALITIES. PHANTOM II & 25 HP. With reference to… | ||
| Scan263 | Shock absorber and spring testing for vehicle ride comfort. | ||
| View original record | -2- HS/Rm.2/MJ.23.5.30.Contd. inch of rear spring deflection for comfort we shall always have complaints similar to those tabulated. With regard to the shock absorber loading. We consider from our… | ||
| Scan264 | Valve usage on the Phantom II, chassis improvements, and ride comfort issues on the 20 HP model. | ||
| View original record | -3- Hs/Rm.2/Ml.23.5.30.Contd. We started off with the fixed idea that we would not use drilled valves on Phantom ll, but the Repair Dept. have managed to reduce so many Phantom l complaints by… | ||
| Scan265 | List of customer complaints regarding suspension issues, specifically 'bumping on buffers', with suggested remedies. | ||
| View original record | LIST OF COMPLAINTS COMPILED BY THE REPAIR DEPT. TOGETHER WITH THEIR SUGGESTIONS AS TO MEANS OF OVERCOMING THEM. BUMPING ON BUFFERS. (1) 21-GN. Vanderbilt. Owner touring in Algiers and complains of… | ||
| Scan266 | List of vehicle suspension issues and proposed remedies for various owners and trials. | ||
| View original record | -2- (14) 31-WJ. Paget. Bumps on rear buffers. Body 1 cwt. over-weight. 150 lbs. stronger rear springs. (15) 81-WJ. W.J.Palmer. Bumps on buffers and down on offside rear. Body 2 cwts. overweight. 100… | ||
| Scan267 | List of car cases with details on issues and remedies, particularly concerning rear springs, swaying and buffers. | ||
| View original record | -3- (30) 193-XT. No complaints given. New rear springs fitted. (31) 115-WJ. No complaint given. Rear springs changed. (32) 19-CN. Remedy swaying. A further four cases have just come to hand of cars… | ||
| Scan268 | Complaints and potential improvements for the Phantom II springing system. | ||
| View original record | BY. From Hs/Rn. R7410. Hs/Rn.4/MJ.24.5.30Q PHANTOM II SPRINGING. We have as you know quite a number of Phantom ll complaints of springing, apart from the trouble of hitting the buffers. As you will… | ||
| Scan269 | The specifications for front and rear springs. | ||
| View original record | To RHC. From Hs/Rm. V7410. Hs/Rm.4/MJ.26.5.30. 19-EX. FRONT SPRINGS. 950 lbs. as polished by W. Bell. Rubber buffer F.79511 cut down to 1.00" depth. REAR SPRINGS. 1300 lbs. Polished springs fitted and… | ||
| Scan270 | Confirming two points regarding vehicle springing, including stronger springs for Continental cars. | ||
| View original record | EP/Thn. c. Hs. e. Wor. Y7410. BY5/G. 26.5.30. 17410 Y5410 SPRINGING. --------- Immediately upon receipt of the original memo from Ps., copy of which EP/Thn. has attached to his memo EP/Thn6/H.… | ||
| Scan271 | Querying the unsprung weights of the PII model compared to the PI model. | ||
| View original record | x7410. To Mr Robotham Oy. McMillan gives. PII Unsprung weights. Front 435 Rear 736 JMa25 Rm: This is 5 lbs. more than PI in front 56 lbs. more than PI at rear. I thought the unsprung weights were less… | ||
| Scan272 | Suspension issues, specifically weaker front springs and rear spring buffer clearance. | ||
| View original record | To BY. From HS/Rm. c. to Wor. c. to Hm. c. to MP. X 7410 Hs/Rm.2/AWJ.31.5.30. X7410 Y5410 We went over the whole question of suspension with R. last week. He appreciated our difficulties and appeared… | ||
| Scan273 | Alteration to the Phantom II front springs to drill and groove the plates for lubrication. | ||
| View original record | BY/[strikethrough] x7410. c. Es/Rm. --------- BY9/G.3.6.30. PHANTOM 11 - FRONT SPRINGS. --------- In discussing this matter with Es/Rm. it was agreed that we should drill and groove all the plates so… | ||
| Scan274 | Error in wheel and tyre weights, comparing them with internal figures and noting the goal to reduce road spring weight. | ||
| View original record | OY. From Hs/Rn. T.P [crossed out] X7410 Hs/Rn.S/W.4.6.30. File Under Springing [handwritten and underlined] We think that there has been some error in the wheel and tyre weight which you have been… | ||
| Scan275 | Calculation of the unsprung weight for a Phantom II rear axle. | ||
| View original record | wrong PHANTOM II REAR AXLE UNSPRUNG WEIGHT Axle as weighed with old wheels (no oil).............579 lbs. Less old wheels......................................155 " Weight of axle without… | ||
| Scan276 | Query about issuing a standardization sheet for 40/50 HP rear axle springs to avoid increased costs from a supplier. | ||
| View original record | X7410 BY c. to Hs. c. to War. ROY/HW8/IN11.6.30. 40/50.h.p. Rear Axle Springs. We should be pleased to know whether it is not now possible to issue Standardization sheet for the above springs having… | ||
| Scan277 | Experimental 40/50 HP rear axle springs and associated lubrication difficulties. | ||
| View original record | ROY. [strikethrough] or Wkr. [strikethrough] c. Hs. x7410 BY4/G.13.6.30. 40/50 HP. REAR AXLE SPRINGS. ROY/HW8/IN.11.6.30. This matter is of course purely an experimental one. I have no power to issue… | ||
| Scan278 | Standardisation and ordering of 40/50 HP rear axle springs with rolled eyes. | ||
| View original record | X7410. To Hs. from ROY. C. to Wor C. to BY ROY2/MG1'7.6.30 40/50 HP. Rear Axle Springs with Rolled Eyes Further to ROY3/MG4.4.30 and BY4/G13.6.30 re above, would you kindly advise the present… | ||
| Scan279 | Supply difficulties with heavier axle springs and the proposed standardisation of the rear spring 'Rolled Eye'. | ||
| View original record | X7410 To Hs. from ROY. c. to Wor. c. to DY c. to HX AXLE SPRINGS We are experiencing the greatest difficulty in keeping the Shops adequately supplied with Axle Springs, due mainly to the complete… | ||
| Scan280 | Comparison of American and English car springing, suspension performance, and road handling characteristics. | ||
| View original record | Sg. & Hs. from R. c. Wor. By. C. c. PN. EP. Hm. X2410. RE/M2.7.30. X.8410 X.7410 X.3900 CAR SPRINGING AMERICAN & ENGLISH COMPARED. Replying to Sg17/E1.7.30. with reference to the superiority of the… | ||
| Scan281 | Tyre hardness and a disagreement over drilling shock damper valves. | ||
| View original record | R5/M2.7.30 contd. +2+ There are very few complaints when cars are so turned out unless the tyres are run unnecessarily hard, which can spoil any effort of ours. Finally, I do not agree to drilling… | ||
| Scan282 | Cover letter for notes on how to tackle 'springing' complaints from a service point of view. | ||
| View original record | Sevres/W "By from Ps. Copy "Hs". X7410 Psl/MLB.4.7.30 X7410 X5410 X235 re: Springing The attached is an attempt to describe my opinions as to how spring complaints should be tackled from a service… | ||
| Scan283 | Notes and recommendations on car springing, including rear and front spring weights and damper settings. | ||
| View original record | SPRINGING OF R.R. CARS As a result of fair experience with Springing Complaints on R.R. Cars of all categories, I think I am in a position to make a few notes which might prove of value to those who… | ||
| Scan284 | Vehicle suspension tuning and the design of cushions and squabs to improve ride comfort. | ||
| View original record | -2- I am in favour of fairly high up and down damper loadings on all models under all normal conditions, and the tuning up of a suspension appears to me to be nothing more than finding the best… | ||
| Scan285 | Analysis of vehicle suspension issues related to springs and shock absorbers. | ||
| View original record | -3- cushions or incorrect weights of springs and this is more important with weak springs. The tendency is for some of us to expect the shock absorber to carry load instead of using it as a friction… | ||
| Scan286 | Offer to improve the springing on a Phantom II vehicle. | ||
| View original record | x7410 Sg. From Hs/Rn. Hs/Rn. 2/MJ.3.9.30. PHANTOM II SPRINGING. x7960. We should like to know whether you are satisfied with the springing of your car. We tried it before it went away, and were not… | ||
| Scan287 | Springing modifications made to a Phantom II car, model 56-GN. | ||
| View original record | To. Sg. From Hs. c. to FN. c. to Wor. X7410. Hs.4/W.19.9.30. x7960 x7410 x7520 PHANTOM 11 SPRINGING. The modifications we have made to the springing of your car 56-GN. are as follows :- Lower rating… | ||
| Scan288 | Continued memo regarding arrangements to obtain a car from its owner. | ||
| View original record | -2- Hs.4/ML.19.9.30. Contd. as soon as we know this we will pass on the information so that you can make the necessary arrangements with the owner to let us have his car. HS. | ||
| Scan289 | Internal order for a pair of special stiffer type road springs from Firth Ltd. | ||
| View original record | O.O. From Hs/Rn. X7410 Hs/Rn.2/MJ.22.9.30. Y449 26-EX. Will you please order for us from Messrs. Firth Ltd. - One pair of Special Stiffer Type road springs. Free camber 5" pos., Loaded camber 1.13"… | ||
| Scan290 | Modifying under-strength road springs for the Phantom II chassis by adding extra plates. | ||
| View original record | K7410. Hs. O.M.C. E.F. Dept. BY/EM4/J.23.9.30. RECEIVED SEP 25 1930 Phantom II Chassis Road Springs. As you are probably aware, we have accumulated a considerable number of road springs of 1100 and… | ||
| Scan291 | Requesting the assembly of springs and plates in the garage for examination. | ||
| View original record | RHC. From Hs/Rn. 8/H10 Hs/Rn. 6/MJ. 25.9.30. The springs and plates mentioned in By/EM4/ J.23.9.30. are now in the garage. Will you please build them up for examination. Hs/Rn. | ||
| Scan292 | Request for information on road springs for the PII model, including types, weights and stiffness ratings. | ||
| View original record | x7410. Oy-1 September 26, 1930. POST OFFICE RECEIVED 4 OCT 1930 Cc- Hs.} Rm.} Mr. Burton Mr. Beaver Mr. Ross Mr. Caswell Rolls Royce, Ltd., Derby, England. Attention: Mr. Bailey Dear Mr. Bailey Road… | ||
| Scan293 | Wor. to Hs. requesting information on a 20/25 HP Chassis to reply to a Mr. Beaver. | ||
| View original record | COPY. X7410. To Hs. From Wor. Worll/T.26.9.30. Re. 20/25 HP. Chassis. X. 7410. X. 5410. I believe you can give me a bit of information on this matter, to enable me to reply to Mr. Beaver. Will you… | ||
| Scan294 | Calculations and assumptions for developing road springs for the PII model. | ||
| View original record | x7410. POST OFFICE RECEIVED OCT 1930 Oy-3 October 1, 1930. Cc- Mr. Beaver Mr. Burton Mr. Ross Mr. Beck Mr. Caswell Rm.) Mx.) Derby Rolls Royce, Ltd., Derby, England. Attention: Mr. R.W.H. Bailey… | ||
| Scan295 | Car spring selection, adjustment, and weight considerations. | ||
| View original record | - 2 - F. Spring - 1050 1100 1150 WF 2410 2510 2610 Range of WF - 2360 to 2460 2460 to 2560 2560 to 2660 R. Spring - 1100 1200 1300 1400 WR 2450 2650 2850 3050 Range of WR - 2350 to 2550 2550 to 2750… | ||
| Scan296 | Passenger load assumptions and providing tables of weights for various car types on PI and PII chassis. | ||
| View original record | - 3 - You may criticize the assumption of 4 passengers on all cars, when some may be coupes or roadsters. In the case of two-passenger cars our assumption does overspring the rear. But, we find this… | ||
| Scan297 | Spring assignments for various car models based on weight distribution calculations and questioning underlying assumptions. | ||
| View original record | - 4 - 1 spare wheel at rear. We should take 140lbs. from front weight, and add 60 lbs. to rear. 2 spare wheels at rear. We should take 160 lbs. from front weight, and add 160 lbs. to rear. On the… | ||
| Scan298 | Negative effects of new front springs on a car's ride and appearance. | ||
| View original record | COPY. To Hs. From Sg. c. to PN. Wor. Re. 58-GN. Springing. X7410 Sg2/E3.10.30. X. 7960. X. 7410. X. 7520. Referring to your Hs4/MJ.19.9.30 I have not replied earlier as I was anxious to use the car as… | ||
| Scan299 | Suggested reply to Mr. Beaver regarding his dissatisfaction with the ride quality of the 25 HP car. | ||
| View original record | N7410. To Wor. From Hs. Hs.1/WJ.3.10.30. N7410 With reference to the attached, the following is the reply we suggest for Mr. Beaver. :- "We are very sorry to hear that you do not like the riding of… | ||
| Scan300 | Requesting the supply and alteration of various low-rating road springs to specific measurements. | ||
| View original record | O.O. From Hs/Rn. [Handwritten]: K7410 Hs/Rn.4/MJ.8.10.30. LOW RATING ROAD SPRINGS. X.4429. X.7410. X.5410. Will you please send to Messrs. Firths the weakest pair of rear springs that we have which we… | ||
| Scan301 | Correspondence regarding a customer's dissatisfaction with a suspension alteration and an offer to rectify it. | ||
| View original record | To Sg. From Hs/Rn. X7410. Hs/Rn.3/MJ.9.10.30. c. PN. Wor. Re. 58-GN. Springing. X.7960. X.7410. X.7520. Referring to Sg2/23.10.30. We note that you are not favourably impressed by the alteration we… | ||
| Scan302 | Car's springing test and arranging for new front springs. | ||
| View original record | COPY. X 7410 To Hs. From Sg. Sg21/E10.10.30. X.7960. X.7410. X.7520. re 58-GN. Springing Thanks for Hs/Rm.3/MJ.9.10.30. Just before I went over to Paris I asked JLE. to try the car. I gave him a copy… | ||
| Scan303 | Road test of car 58-GN, focusing on front spring performance, handling and appearance. | ||
| View original record | COPY. LE6/R/4.10.30. Sg. --- Re. 58-GN. Your Car. With reference to your - Sg12/E24.9.30 - I am returning the report from Hs. I was able to try your car yesterday and I certainly feel that the front… | ||
| Scan304 | Changing springs and fitting a new carburetter with an air silencer to car 58-GN, weighing performance against engine noise. | ||
| View original record | 87410 To Sg. From Hs. Hs.2/MJ.13.10.30. c. to Wor. Re. 58-GN. Springing. X.7960. X.7410. X.7080. Replying to Sg21/E10.10.30. We should much prefer to have 58-GN. car at Derby to change the springs… | ||
| Scan305 | Changing the springs and fitting an air silencer on car 58-GN, with interest in upcoming performance test results. | ||
| View original record | COPY. X7410. To Hs. From Sg. re. 58-GN. Sg23/E15.10.30. c. to Wor. Springing. ___________________ X.7960. X.7410. Thanks for Hs2/MJ.13.10.30. As I note you would much prefer to have the car at Derby… | ||
| Scan306 | Letter discussing rear spring specifications, buffer clearance, and vehicle weights. | ||
| View original record | Rolls-Royce (America) Inc., Springfield, Mass., U. S. A. 47410 To OY. From Hs/Rm. Hs/Rm.6/MJ.17.10.30. With reference to your letter of Oct.1st. We have been through a certain amount of tribulation… | ||
| Scan307 | Spring rates and buffer clearances related to spare wheel placement on Phantom models. | ||
| View original record | -2- Hs/Rn.6/AL.17.10.30.Contd. spring without going into trouble. We have more buffer clearance on Phantom 11 than on Phantom 1. Additionally unless the front springs are kept on the weak side the… | ||
| Scan308 | On the timeline for modified springs for car 58-GN and the results of its performance tests at Brooklands. | ||
| View original record | To Sg. From Hs. c. to Wor. X7410 Hs.5/MG.18.10.30. X.7960. X.7410. 58-GN. Springing. Replying to Sg23/E15.10.30. We anticipate that it will be about 14 days before we have the modified springs to fit… | ||
| Scan309 | Modification details for Phantom II rear road springs, comparing specifications before and after fitting an extra 2nd plate. | ||
| View original record | y7410 To BY. C. F. Dept. RE. PHANTOM II ROAD SPRINGS. 18.10.30. We have modified to Scheme 1364 one pair of rear Phantom II road springs, by fitting an extra 2nd. plate. Particulars of these springs… | ||
| Scan310 | Specification for front and rear spring clearances for a Phantom II chassis with special stiffer road springs. | ||
| View original record | K7410. T.D. Ep. c. Hs/Rm. BY/HEB6/M.27.10.30. PHANTOM II. CHASSIS. 41-GX. ETC.. & CHASSIS ON WHICH SPECIAL STIFFER ROAD SPRINGS ARE FITTED.(26-EX TYPE). FRONT & REAR SPRINGS - SECS:7020/30. RECEIVED… | ||
| Scan311 | Notes on springing troubles and the causes of weak rear springs on the Phantom II chassis. | ||
| View original record | x7410 To EP. From Hs/AJL. c. to Hd. c. to Hs/En. c. to Wor. c. to G.W.H. Hs/AJL.3/W.J.1.11.30. X4117 x7410. x5410 NOTES ON SPRINGING TROUBLES. PHANTOM II. The big complaint on this chassis is that the… | ||
| Scan312 | Procedure to address car spring issues by fitting stronger springs and adjusting buffer clearances. | ||
| View original record | -2- Hs/ALL.3/AL.1.11.30.Contd. springs; there is no other alternative. To ensure that future cars do not suffer similarly, the following procedure should be adopted.- (a) Fit stronger springs… | ||
| Scan313 | Customer complaints regarding uncomfortable springs on Phantom II cars and potential remedies. | ||
| View original record | -3- SPRINGS NOT COMFORTABLE. Complaints under this heading are not numerous on Phantom ll cars and the classification in the quarterly complaint does not give much of a clue to work on. The cure has… | ||
| Scan314 | Future suspension improvements and ongoing investigations into ride comfort. | ||
| View original record | -4- Hs/ALL.S/ML.1.11.30.Contd. As regards future improvements we are continually striving to evolve a suspension that will more nearly suit all conditions to be met with. Our immediate future… | ||
| Scan315 | Remedies for suspension complaints such as hard low-speed riding and spring squeaks. | ||
| View original record | -5- Hs/AJL.3/AL.1.11.30.Contd. feature) is more often than not a cure for hard low speed riding. The advantages of this should be pointed out to owners of cars who have complaints of this nature. This… | ||
| Scan316 | On shock damper load alterations and spring lubrication options for 20 HP cars. | ||
| View original record | -6- Hs/A.J.L.3/&L.1.11.30.Contd. in this respect. Shock damper load alterations are also available for adjustment to suit particular cases, but once corrected in conjunction with lubricated springs… | ||
| Scan317 | Springing investigations on car 58-GN and the 20/25 HP chassis. | ||
| View original record | X.7410. EP. from Hs/AJL, c. Hd, c. Wor, c. Rn. Hs/AJL2/ADL1.11.30. RE - SPRINGING. Attached is a report of some investigations we have carried out on Sg's car 58-GN during the past week. The results… | ||
| Scan318 | The springing and shock damper alterations for car 58-GN to improve ride quality. | ||
| View original record | 11.11.30. SPRINGING - 58-GN (Sg's Car.) The car when received was fitted with special low rating front springs which were rather too strong for the car (these were fitted the last time the car came to… | ||
| Scan319 | Suspension damping tests and modifications to improve the car's ride quality. | ||
| View original record | -2- The car was improved very considerably by these modifications; but it was immediately noticed that the rear springing was too effectively damped (no Hartford friction damping was applied). The… | ||
| Scan320 | The effects of low rating springs and damping modifications on vehicle stability, handling, and buffer clearances. | ||
| View original record | -3- all round, soft at low speeds; no pitching at the usual place, 35 to 45 m.p.h. the high speed riding was very good on all varieties of road in the district. Our previous experience with low rating… | ||
| Scan321 | Analysis of rear suspension components and a proposal for a new method of testing ride comfort. | ||
| View original record | -4- (4) Low rating rear springs reduce "throwing" and uncomfortable rear riding in combination with (1) (2) (3) and (5) Lowered rear hydraulic damping. (6) Drilled rear damper valves increase tendency… | ||
| Scan322 | Responding to telegrams from America regarding vehicle spring modifications and testing. | ||
| View original record | To Wor. From Hs/Rm. RE TELEGRAMS FROM AMERICA. With reference to Worl/T.14.11.30. (1) The springs Hs. refers to were fitted to Sg's car last week. Personally we think that they gave a big improvement… | ||
| Scan323 | Proceeding with bumper tests for lower rating springs and asking for cost allowances. | ||
| View original record | Hs/Rm X7410. To Bo. From Sge Copy to Bx. Hs/Rm re RRAI. Sg25/EI4.11.30 Referring to Worl/T.14.11.30 and to our telephone conversation this afternoon, I have cabled Hs. as per attached. It seems to me… | ||
| Scan324 | Telex message regarding production specifications for left-hand drive chassis, including springs and battery supply. | ||
| View original record | HIVES C/C ROLLROYCE SPRINGFIELD MASS IF LOWER RATING SPRINGS APPROVED AND BACK BUMPER TESTS CAN SUPPLY FOR PRODUCTION LEFT HAND CHASSIS STOP AGREEABLE AMERICA SUPPLY OWN EXIDE BATTERY OUR ALLOWANCE… | ||
| Scan325 | Cable proposing that the American branch supply its own springs for left-handed Phantom II models. | ||
| View original record | NLT HIVES C/O ROLLSROYCE SPRINGFIELD MASS CONCERNING SPRINGING BELIEVE BENEFICIAL TO BOTH COMPANIES IF AMERICA SUPPLY THEIR OWN SPRINGS FOR LEFT HANDED PHANTOM II STOP IF THIS SUGGESTION APPEALS TO… | ||
| Scan326 | Disadvantages of the American branch supplying their own road springs. | ||
| View original record | To Wor. From Hs/Rm. X7 410 Hs/Rm.1/MW.15.11.30. R.R.A.I. Referring to Sg25/E14.11.30. There appear to be certain disadvantages in R.R. of America supplying their own springs. (1) Now that Oy. has left… | ||
| Scan327 | Proposed front and rear spring deflection settings for American requirements, fearing excessive rolling. | ||
| View original record | HS/RM. FROM E. Copy to - SG. X/7410 L. H. P. 2. SPRINGING. E2/M15.11.30. X.7410. X.7772. Referring to your 'phone call of the 14th., re the above, R. proposes 9" rear, and 4" front deflection as the… | ||
| Scan328 | Test results for the Phantom II suspension, specifically rebound control and axle movement. | ||
| View original record | COPY. X7410. To R. From Hs/Rm. c.c. to Sg. c.c. to Wor. Da. c.c. to E. Hy. Hs/Rm. 2/AD18.11.30. X. 7410. X. 7350. PHANTOM II SUSPENSION. With reference to the attached tests. The amount the rebound… | ||
| Scan329 | Preliminary tests to restrain the rear axle movement on a Phantom II suspension system. | ||
| View original record | To R. From Hs/AJL. c. to Sg. Wor. c. to Da. E. c. to BY. PHANTOM 11 SUSPENSION - REAR AXLE MOVEMENT. We have carried out some preliminary tests to demonstrate the effect of restraining the rear axle… | ||
| Scan330 | Road tests for sling lengths and their effect on buffer clearance and axle movement. | ||
| View original record | -2- Hs/AJL.1/MJ.17.11.30.Contd. 13. 8". Several different lengths of sling were tried, tests being made over rough roads, main roads, and humped back bridges. The minimum reasonable buffer clearance… | ||
| Scan331 | Tests and opinions on flexible road springs for the Phantom II model. | ||
| View original record | To R. From Hs/An. c. to Be. Wor. E: EB ED: Rr. Handwritten: X7410. PHANTOM II FLEXIBLE ROAD SPRINGS. We have ordered road springs to the deflections you suggest i.e. front 4.00"., rear 9.00". We have… | ||
| Scan332 | Principles of car springing and weight distribution. | ||
| View original record | X 7410. BY. DA. } FROM R. HS. E. } R2/M/19.11.30. C. to SG. MOR. C. to C. PN. C. to CX. LHS. EP. CAR SPRINGING. X.7410. X.5410. The pattern and proportion and general design of our road springs are… | ||
| Scan333 | Ride comfort tests conducted on a Phantom 11 car using a water spilling method. | ||
| View original record | To R. From Hs/AJL. c. to Sr. Wor. c. to Da. E. c. to By. EP. c. to Hd. GWH. COPY. X7410 Hs/AJL.1/MJ.26.11.30. SPRINGING - PHANTOM 11. We have carried out some tests on a Phantom 11 car with a view to… | ||
| Scan334 | Analysis of vehicle pitching and ride comfort in relation to damping, weight distribution, and seating position. | ||
| View original record | -2- that the most comfortable ride is at 30 to 35 M.P.H. Below and above this speed the discomfort increases. The peak indicated at 40 M.P.H. is due to pitching. These general features were prominent… | ||
| Scan335 | Report analyzing vehicle riding comfort tests and proposing design improvements. | ||
| View original record | -3- HsHs/AJL.1/MJ.26.11.30.Contd. When studying the results of these tests it is necessary to take into account the degree of discomfort registered by a passenger as compared with that shewn on the… | ||
| Scan336 | Graph showing the effect of shock damping on rear seat riding comfort during springing tests on Ticknall Hill. | ||
| View original record | SPRINGING TESTS. 20 H.P. TICKNALL HILL. STANDARD SUSPENSION. THE EFFECT OF SHOCK DAMPING ON REAR SEAT RIDING COMFORT LEGEND: STANDARD. ————— NO FRONT DAMPERS ------ NO REAR DAMPERS – – – – NO DAMPERS.… | ||
| Scan337 | Graph from springing tests on Ticknall Hill showing the effect of weight distribution on rear seat riding comfort. | ||
| View original record | SPRINGING TESTS 20 HP TICKNALL HILL STANDARD SUSPENSION THE EFFECT OF WEIGHT DISTRIBUTION ON REAR SEAT RIDING COMFORT. LEGEND: STANDARD 1CWT. ON LUGGAGE GRID. 1CWT. ON DUMB IRONS. Y-AXIS: RIDING… | ||
| Scan338 | Graph from springing tests at Ticknall Hill comparing riding comfort at different speeds based on rear seat position. | ||
| View original record | SPRINGING TESTS 20 EX. TICKNALL HILL. STANDARD SPRINGING SHOWING THE INCREASED COMFORT IN A BODY WHERE THE REAR SEATS ARE FORWARD OF THE REAR AXLE (E.G) LIKE 18 EX, 24 EX, 26 EX) Graph Legend: REAR… | ||
| Scan339 | Car spring flexibility and a strategy for supplying spare spring leaves to America. | ||
| View original record | SG. FROM R. C. to WOR. HS. C. to BY. EP. SPRINGING. X7410 R2/M26.11.30. X.7410. X.7772. X.3900. You can rest assured that there is no difference in the steel used in the American and British springs… | ||
| Scan340 | Adjustments to car springing and deflection to improve riding qualities. | ||
| View original record | X7410 SG. FROM R. C. to WOR. HS. C. to BY. EP. SPRINGING - re. CAR RUNNING WITH INCREASED DEFLECTION. R1/M27.11.30. X.7410. X.8410. X.7520. X.7350. We are all agreed that this is the only way we know… | ||
| Scan341 | Urgent request for a set of special road springs for a Phantom II car, detailing the specifications. | ||
| View original record | COPY. [Handwritten] X 7410 O.O. From Hs/Rn. c. to Roy. c. to Wor. Hs/Rn.1/MJ.1.12.30. X.4429. X.7410. PHANTOM 11 ROAD SPRINGS. We urgently require a set of special road springs for R's car which… | ||
| Scan342 | Order office memo requesting the purchase of road springs for a Phantom II from Messrs. Firths. | ||
| View original record | COPY. X7410. Order Office from Hs/Rn. Hs/Rn.1/AD18.11.30. PHANTOM II ROAD SPRINGS. X7410 YUU29. Will you please order for us from Messrs. Firths the following road springs :- One pair rear type… | ||
| Scan343 | Order and design discussion for Phantom II road springs. | ||
| View original record | O.O. From Hs/Rm. X7410. Hs/Rm.3/MJ.29.11.30. X.4429. X.7410. Will you please order the following Phantom 11 road springs for us :- 4 Front. F.78792. Free Camber 4.5". Loaded Camber Flat. Max. Bump… | ||
| Scan344 | Letter discussing the development and issues related to the springing of the Phantom II. | ||
| View original record | X/7410 COPY TO - SG. COPY TO - HS. "ELMSTEAD" WEST WITTERING CHICHESTER. ENGLAND. 1st. December 1930. X.7410. X.7520. X.235. Dear Mr. Beaver, SPRINGING OF PHANTOM 2. I am sorry to hear that you were… | ||
| Scan345 | Vehicle ride improvements through changes in springing, weight distribution, and shock absorbers. | ||
| View original record | (2) Experiments also shewed that if we could get the weight away from the centre of the car and carry it back, over and behind the back axle, the riding would be better, and pitching would be less.… | ||
| Scan346 | Technical letter by F.H. Royce discussing issues and improvements for shock dampers. | ||
| View original record | (3) But our present dampers should not be unsatisfactory. I have only experienced two troubles - (1) slack developed in the external links, .006" being sufficient to be heard or felt in the rear. This… | ||
| Scan347 | Dispatch and testing of new low rating road springs. | ||
| View original record | x7410 To Sg. From Hg/Rn. Hs/Rn.4/MJ. 23.12.30. x7960 LOW RATING ROAD SPRINGS. We are sending a pair of 4½ deflection front springs to Cricklewood by road tomorrow. These are suitable for your car and… | ||
| Scan348 | List of road springs ordered in 1930 for the Phantom II and 20 HP models. | ||
| View original record | FOR FILES. X7410. ROAD SPRINGS ORDERED 1930. PHANTOM II. X.7410. X.5410. X.4429. FRONT. 19.5.30. 1 Pair 1100. Free Camber 3.5 Pos. Loaded Camber 1.00 Pos. Design left to Firths. Rm4/MJ.8.10.30. 1… | ||