Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Engine suspension, comparing a front suspension arm made from a sheet metal pressing with one made from a forging. | ||
| View original record | X.7005 To BY. from DA. c. to CJ. Hs. DA3/M23.12.25. EAC.7. ENGINE SUSPENSION. Herewith we send N.sch.2112 shewing a new form of front suspension arm wh made of a sheet metal pressing. This suits the… | ||
| Scan002 | Metallurgy of engine suspension components, comparing the effects of brazing versus welding on nickel steel. | ||
| View original record | NHC. BY/SS. Hs. X.7005 BY4/H. 10.3.26. E.A.C.VII. ENGINE SUSPENSION. N.SCH.2112. E.74529 & Top Plate for same. ----------------------------------------- It would be wrong to braze the above pieces as… | ||
| Scan003 | Alteration to the torque reaction dampers. | ||
| View original record | X.7005 To BY. from DA c. to BJ. Hs. DA3/M15.9.26. EAC-7 - TORQUE REACTION DAMPERS. In reply to BY/CGH2/G3.9.26., Mr. Royce wishes to alter the sheet metal arm of the damper to attach on to the side of… | ||
| Scan004 | Location and design of the torque arm to prevent interference ('quarreling') on the 40/50 HP chassis. | ||
| View original record | To DA. From Hs/Rm. c. to EY. c. to EY/HEB. x7005 Hs/Rm7/LG13.12.26. 40/50 HP. TORQUE ARM LOCATION. x8005 With reference to the position of the hydraulic damper to prevent quarreling with the torque… | ||
| Scan005 | Blueprint detailing the location and path of a 40/50 model Torque Arm. | ||
| View original record | 40/50 TORQUE ARM LOCATION., 10/12/26, VERTICAL, TOP OF FRAME, PATH OF PRESENT SHOCK ABSORBER ARM, APPROX ACTUAL PATH OF TORQUE ARM BALL JOINT CENTRE, BEST CENTRE FOR SHOCK DAMPER SPINDLE TO PREVENT… | ||
| Scan006 | Engine detonation, pre-ignition, and misfire issues with an aluminum high-compression engine. | ||
| View original record | Hs. E. from R. c. to BJ. Wor. x7005 R4/M29.12.27. EAC.7 - ALUM: ENGINE, TURBULENT HIGH COMP: 5/1, RUBBER SUSPENSION. X.7770 X.7005 X.7080 So far good, but with 'french petrol it detonates at slow… | ||
| Scan007 | Engine mounting experiments and a proposed method for damping vibrations using the mass of the vehicle's body and frame. | ||
| View original record | FROM E. C. to ED. HB. RM. EAC.10. ENGINE MOUNTING. [Handwritten annotations at top]: ORIGINAL X7005 X8005 X7830 X7380 In discussing recent experiments on engine mountings during visits to Derby, we… | ||
| Scan008 | Scheme for handling first speed and reverse torque, and the potential issues with chassis inertia. | ||
| View original record | (2) A peculiarity of this scheme is that the first speed and reverse torque is fed off direct and the clutch case only carries engine torque. It seems somewhat frightful to tell the body to go to the… | ||
| Scan009 | Overcoming engine mounting troubles based on experimental observations of torque reaction and frame distortion. | ||
| View original record | X7005 To E. from Hs/Rm. Hs/Rm1/LG20.2.28. EAC.10 ENGINE MOUNTING. X7005 / X7380 With reference to E1/M4.2.28. From our experimental observations on torque reaction and frame distortion, we do believe… | ||
| Scan010 | Query about designing a damper with both dry friction and lubrication, similar to a friction clutch. | ||
| View original record | +7005 R. Hs. from R. c. to BJ. Wor. BY. R5/M5.3.28. CAR ENGINES. X.8005 X.7005 X.634 Would it be possible to have the damper with dry friction, and yet well lubricated in its diametral fit - i.e. like… | ||
| Scan011 | Engine suspension for the EAC.10 model, detailing the use of rubber mountings to prevent crankcase torsion. | ||
| View original record | X7005 R. from E. c. to BJ. Hs. BY. E6/M7.3.28. EAC.10 ENGINE SUSPENSION. X.7005 X.7380 As a result of the experience with EAC.14 engine mounting, it is found desirable to use rubbers of very high… | ||
| Scan012 | Use of rubber and torsional dampers for engine suspension. | ||
| View original record | E. Hs. from R. c. to BJ. Wor. BY. X7005 R6/M9.3.28. EAC.10 ENGINE SUSPENSION. X. 7005 E6/M7.3.28. X. 634 We can get Derby to try any combination of flexibility of rubber, but I think it will have to… | ||
| Scan013 | Low-speed vibrations related to rear engine suspension and a proposal for testing. | ||
| View original record | S/W. Hs. Copy to:- EP. x7005 CWB3/GM/4.4.28. Re: 81-RF. With further reference to my CWB3/GM/3.4.28 and with reference to your standardisation sheet - X No. 7005 REAR ENGINE SUSPENSION. Whilst it is… | ||
| Scan014 | The development and testing of rubber engine mountings for the Phantom model. | ||
| View original record | To CWB. from Hs. c. to EP. /+8005 Hs1/LG5.4.28. RUBBER ENGINE MOUNTING FOR PHANTOM. X8950 With reference to CWB3/GM.4.28. At the moment we have no parts we could fit to 81-RF car. We unfortunately… | ||
| Scan015 | Standardisation of rear engine suspension using spring steel dual plates and diabolo rubber buffers to dampen engine vibrations. | ||
| View original record | RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. COMPLETED 10.5.28 STANDARDISATION of CHASSIS PARTS. Date 23.3.28 Reference: X7005 Description of Parts. REAR ENGINE SUSPENSION - USING 19 SWG SPRING… | ||
| Scan016 | Chassis number, test date, and costs for a new part. | ||
| View original record | ...T. STANDARDISATION of CHASSIS PARTS (1) The number of the chassis on which the new part will be fitted. G.2.A. (2) Date when the chassis will be handed to test. 27.8.28 (3) Cost of scrapped… | ||
| Scan017 | Proposing a scheme for a flexible engine mounting on the 10-EX model. | ||
| View original record | To RHC. from Hs/Rn. [Handwritten annotations above main text]: X7005 X8005 (crossed out) X7005 [Typed reference and date]: Hs/Rn2/LG11.6.28. Herewith scheme to enable us to use a very flexible engine… | ||
| Scan018 | Request to alter the rubber engine mounting and modify pivots for 10-EX. | ||
| View original record | X7005 RHC. from Hs/Rn. Hs/Rml/LG22. 6. 5. 28. X7420 Will you please alter the rubber engine mounting of 10-EX to scheme Hs.156. Also modify the pivots, making them equivalent to a standard pivot by… | ||
| Scan019 | Specifications and testing procedures for the Phantom model's rubber engine mounting blocks. | ||
| View original record | To Mx. from Hs/Rm. To Sft. " " c. to BY. c. to WOR. X7005 Hs/Rm5/LG14.8.28. RUBBER ENGINE MOUNTING - PHANTOM. Y8005 With reference to the production of this feature. The general arrangement drg.… | ||
| Scan020 | Requesting to reamer bolt holes in a rubber engine mounting on 12-EX for testing. | ||
| View original record | Y7005 To RHC. from Hs/Rn. Hs/Rn4/LG19.9.28. Will you please arrange to reamer the bolt holes in the rubber engine mounting on 12-EX so that we may get a test to see whether this is satisfactory.… | ||
| Scan021 | Damped pendulum lever adapted as a spring drive for the Phantom, to be fitted to models 10-EX or 17-EX to reduce torque reaction. | ||
| View original record | To RHC. from Hs/Rm. X7005 Hs/Rm4/LG21.9.28. X7020 Herewith sketch of damped pendulum lever adapted as a spring drive for the Phantom. It requires three new pieces making. We wish to utilise piece of… | ||
| Scan022 | Blueprint showing the adaptation of part F73576 as a spring drive on a Phantom model. | ||
| View original record | ADAPTATION OF F73576 AS SPRING DRIVE ON PHANTOM A. NEW OUTER PLATE F73092 HAVING A COMPLETE RING TURNED TO HOLD SPRINGS INSTEAD OF SEPARATE BOSSES, AND SPLINED EXTENSION B. G73601 MODIFIED AS SHEWN… | ||
| Scan023 | Suggesting engine mounting suspension adjustments to reduce high-speed wobbles. | ||
| View original record | Hs. DA. E. from R. +7005 R2/M11.10.28. CAR ENGINE MOUNTING G.4. & EAC.10. X.5005 X.7005 X.457 I suggest that probably the best suspension of the engine will be vertically rigid at the front, and… | ||
| Scan024 | Request for a 40/50 rear engine rubber mounting foot and new front springs for the 8-EX car for testing purposes. | ||
| View original record | To RHC. from Hs/Rn. Y7-005 Hs/Rn7/LG17.10.28. +7+10 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… | ||
| Scan025 | Experiments on engine compression ratios, torque reactions, and carburettor improvements for the SS engine. | ||
| View original record | E. Hs. from R. BY. c. to BJ. Wor. X7005 R1/M17.10.28. EAC.10. (SS) RE. COMPRESSION. X.790 X.7080 X.7005 X.7771 In our experiments we should use the highest compression that the engine will bear… | ||
| Scan026 | Improvements to comfortable riding and reducing vibrations through suspension and damping adjustments. | ||
| View original record | Hs. BY. from R. c. to BJ. Wor. c. to PN. CWB. c. to C. SG. c. to HM. EP. 47005 R2/M19.11.28. COMFORTABLE RIDING. X.507 X.5005 -------------------- X.235 X.7005 I feel sure that the best we can do,… | ||
| Scan027 | Experiments with rubber engine mountings on the Phantom model to avoid drilling them. | ||
| View original record | To BY. from Hs/Rm. c.c. to MX. Wor. 47005 Hs/Rm6/LG4.12.28. RUBBER ENGINE MOUNTING. F.78146. 48005 We have been carrying out experiments with the rubber engine mounting on the Phantom in order to… | ||
| Scan028 | Specifications for rubber components ordered from Dunlop, including deflection limits, testing, and material mixes. | ||
| View original record | contd :- -2- the next batch of rubbers ordered from Messrs. Dunlop should be specified to give .150 deflection ± .007 under 750 lbs. load, the mix to be as at present. We think that they will be able… | ||
| Scan029 | Depot sheet on the issues caused by a distorted or failing fabric coupling and the recommended action. | ||
| View original record | To Hm. from Hs/Rn. X8305 X7005 Hs/Rn3/LG7.12.28. DEPOT SHEET. FABRIC COUPLING. X48005 Our experience has been, when the fabric coupling is badly distorted or on the point of failure, torque re-action… | ||
| Scan030 | Unsatisfactory performance of bolts on rubber engine feet and suggesting the use of tight-fitting tapered bolts. | ||
| View original record | To E. from Hs/Rm. +7005 Hs/Rm3/LGl.2.12.28. c. to BY. c. to WOr. RUBBER ENGINE FEET. X7005 ~~X8005~~ The bolts on these engine feet indicated in the attached sketch have never been very satisfactory.… | ||
| Scan031 | Blueprint showing a cross-section and side view of a mechanical clamp or mounting bracket assembly. | ||
| View original record | c3 F78146 | ||
| Scan032 | Heavily faded document with a purple 'Print Room' stamp. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 12 DEC 1928 [Illegible handwritten text] | ||
| Scan033 | Instruction to fit four solid engine feet and an experimental bracket to chassis 19-EX. | ||
| View original record | To Sft. from Hs/Rn. X7005 Hs/Rn8/LG13.12.28. ENGINE FEET - 19-EX. X7310 Will you please fit 4 solid engine feet which are now being machined, on chasis 19-EX, and also the experimental bracket to the… | ||
| Scan034 | The causes of and potential solutions for 'radiator shiver' vibrations. | ||
| View original record | Bs. FROM R. DA. BY. X7005 R2/M17.12.28. 20 HP. AND 'SS'. X.7005 X.7380 X.5005 X.7250 RADIATOR SHIVER. (1) The axle with wheels and springs complete has a definite period on the road. (2) The front end… | ||
| Scan035 | The difficulties of fitting taper bolts for rubber engine feet and a proposed improvement. | ||
| View original record | Hs/Rm. from E. X. 7005 c. to R. BJ. BY. E1/M18.12.28. RUBBER ENGINE FEET. In reply to Hs/Rm3/LG12.12.28., there are certain difficulties in the way of obtaining a good fit with taper bolts on the… | ||
| Scan036 | Requesting modifications to car 19-EX, including engine feet, gearbox support, and brakes. | ||
| View original record | To RHC. from Hs/Rm. Handwritten: X7005 Hs/Rm4/LG19.12.28. 19-EX CAR. Handwritten: X7005 (crossed out) Handwritten: X7420 (crossed out) We require solid front engine feet on this car and the adjustable… | ||
| Scan037 | Telegram from Hives expressing thanks for road test reports concerning engine mounting and radiator vibration. | ||
| View original record | POST OFFICE TELEGRAPHS. Telegrams for INLAND addresses may be handed to the messenger who delivers this form. The Post Office accepts telegrams by telephone. Handwritten Reference: +7005 V2481 Office… | ||
| Scan038 | Design suggestions for the 'SS' chassis, covering the starter motor, engine mounting, and length. | ||
| View original record | HS. DA. } FROM R. E. BY. } (At Le Canadel.) Cp. to BJ. WOR. SG. S. SECRET ORIGINAL R1/M25.12.28. REC'D AT WW. 31.12.28. X.762S/SS X7005 "SS" CHASSIS. My impression is that there is nothing to be… | ||
| Scan039 | Chassis length, weight distribution, and a proposed design for flexible engine mounting. | ||
| View original record | (2) with 1 or 2 spare inner tubes for emergency. The alternative is to continue to fit one side wheel carrier. I want it to be clearly understood that the SS. chassis does not demand any greater… | ||
| Scan040 | Letter to Dunlop Rubber Co. Ltd. clarifying a previous error regarding rubber requirements and confirming deliveries. | ||
| View original record | c. Hs/Rm. K7005 3rd. January 1929. BY17/G. Messrs. Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. For the attention of F.B. Jones, Esq., Dear Sirs, Referring to your letter of the 2nd… | ||
| Scan041 | Rating test graph showing load versus deflection for engine foot rubbers supplied by Dunlop. | ||
| View original record | By X7005 As/Rm 3/LG3/1/29 X8005 RATING TEST. F.78114 Engine Foot Rubbers. Supplied by Messrs. Dunlop 2.1.29. LOAD LBS. DEFLECTION INS. | ||
| Scan042 | Rating test graph showing load versus deflection for engine foot rubbers supplied by Dunlop. | ||
| View original record | RATING TEST. F.78114 Engine Foot Rubbers. Supplied by Messrs. Dunlop 2.1.29. LOAD LBS. DEFLECTION INS. | ||
| Scan043 | Rating test results for engine foot rubbers supplied by Dunlops. | ||
| View original record | 3.1.29. F.78114 ENGINE FOOT RUBBERS ) RATING TEST. Supplied by Dunlops 2.1.29. DEFLECTION INS. Load lbs. | 1Z | 2Z | 3Z | 4Z | 5Z | 6Z. 0 100 | .036 | .035 | .036 | .038 | .036 | .039 200 | .062 |… | ||
| Scan044 | Rating test results for engine foot rubbers, showing deflection measurements under various loads. | ||
| View original record | F.78114 ENGINE FOOT RUBBERS ) RATING TEST. 3.1.29. Supplied by Dunlops 2.1.29. DEFLECTION INS. Load lbs. 1Z 2Z 3Z 4Z 5Z 6Z. 0 100 .036 .035 .036 .038 .036 .039 200 .062 .060 .061 .065 .060 .065 300… | ||
| Scan045 | Alternative engine mounting solutions to address chassis and radiator vibrations, and comparing 6-cylinder and 8-cylinder engines. | ||
| View original record | HS. E. } FROM R. BY. DA. } c. to BJ. Wor. c. to SG. C. 47005 R1/MA.1.29. 'SS' ENGINE MOUNTING. X.7005 X.7250 X.7380 We ought to be better off than standard Phantom because we can have what that… | ||
| Scan046 | Test results and issues with gearbox anchorage, handling, and exhaust manifolds on a 20 HP and an SS model. | ||
| View original record | X7005 To DA/EY. from Hs/Rn. c. to E. ---------------- Hs/Rm5/LG4.1.29. X7005 X7230 We give below a copy of a letter we have received from Hs/GWH. at Chateauroux :- We have tried the solid anchorage on… | ||
| Scan047 | Testing schemes for SS engine mounting to address roughness and vibration issues. | ||
| View original record | -R: FROM E. SECRET C. to BJ. WCR. HS. DA. BY. RM. SS. ENGINE MOUNTING. We have this morning received your telegram as follows, via Royce Ltd. Manchester: "ELLIOTT PLEASE TEST AT ONCE RIGID FRONT FEET… | ||
| Scan048 | Experiments with rubber isolated engine mountings for the 'SS' engine to reduce vibration. | ||
| View original record | To R. from Hs/Rn. c. to BJ. SG. c. to WOr. HS. c. to DA. BY. c. to E. x7005 Hs/Rn2/LG7.1.29. 'SS' ENGINE MOUNTING. 77430 = We have tried four engine feet isolated with thin strips of sheet rubber. The… | ||
| Scan049 | Continued memorandum regarding ineffective dampers and tests on a 20 HP car. | ||
| View original record | contd :- -2- dampers ineffective. We are carrying out tests in parallel on the 20 HP. car on the lines suggested in your telegram. Hs/Rm. | ||
| Scan050 | Blueprint showing the design for experimental engine feet. | ||
| View original record | S.S. EXP ENGINE FEET LIMITED ROOM 7 JAN 1929 DERBY | ||
| Scan051 | Letter from Dunlop Rubber Co. regarding a delay and process for an order of No. 6 mixing. | ||
| View original record | 47005 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS,PHONE,BIRMINGHAM." TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: OUR REF: FBJ/FHC/11. Phys. Lab. FORT DUNLOP ERDINGTON… | ||
| Scan052 | And comparing different engine mounting systems, specifically on SS chassis and a Chrysler car. | ||
| View original record | R. from E. c. to BJ. Wor. Hs. Handwritten: X7005 RE. ENGINE MOUNTING. X.4012 X.7005 The SS. chassis fitted with all rubber engine suspension achieves remarkable degree of smoothness over its full… | ||
| Scan053 | Engine mounting systems, comparing fabric disc and rubber liner feet for improved smoothness and frame steadiness. | ||
| View original record | contd :- -2- With this mounting in front only and fabric disc mounting on solid feet behind, the chassis was quite steady but the engine too rough. Rn. is now rigging up the chassis with rubber liner… | ||
| Scan054 | The promising results of 'SS' engine mounting tests using strip rubber to reduce vibration and improve steering. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to SG. E. c. to DA. BY. X7005 Hs/Rn2/LG8.1.29. 'SS' ENGINE MOUNTING. 47430 Further to our Hs/Rn2/LG7.1.29. We have now carried out further tests with the 4 engine… | ||
| Scan055 | Test results and feedback for the 'SS' engine mounting. | ||
| View original record | To E. from Hs/Rm. c. to DA. c. to Wor. X7005 Hs/Rm5/LG8.1.29. 'SS' ENGINE MOUNTING. X7005 X7430 We have today wired you as follows :- "ELLIOTT - FOUR FEET ON STRIP RUBBER GIVE EXCELLENT RESULTS STOP… | ||
| Scan056 | Benefits of torsional rigidity for car control and the undesirability of reverting to a flexible frame. | ||
| View original record | contd :- -2- We feel convinced that it would be very undesirable to consider removing the cross and going back to our flexible frame now that we have appreciated the advantages which torsional… | ||
| Scan057 | Comparison report on the 'SS' engine mounting against the standard Phantom, focusing on radiator rigidity, engine vibrations, and steering. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to SG. E. c. to DA. BY. 47005 Hs/Rnl/LG10.1.29. 'SS' ENGINE MOUNTING. We have now had an opportunity of comparing the 'SS' (20-EX) with the four torsionally strong… | ||
| Scan058 | Comparison of vehicle performance focusing on high-speed wobble, engine vibration, and steering under different tyre pressures. | ||
| View original record | contd :- -2- 70 m.p.h. in the district. When we dropped the tyre pressures to 25 lbs/sq.in. the relative merits of the two cars were entirely reversed. The SS. 20-EX was little changed. The movement… | ||
| Scan059 | Report comparing the steering performance and characteristics of various experimental car models at speed and during shunting. | ||
| View original record | contd :- -3- one a feeling of excellent selectivity and car control, superior to that of the Phantom. Over the critical range from 60 to 70 m.p.h. it was inclined to nibble slightly in sympathy with… | ||
| Scan060 | Summary of test results regarding front-end oscillation and potential solutions including frame rigidity, engine mounting, and balance weights. | ||
| View original record | contd :- -4- Summarising the results of our tests so far :- It would appear that we shall in every way benefit from the SS. type of frame and engine mounting when we eliminate the remaining 10% front… | ||
| Scan061 | Tests and modifications to the 'SS' engine mounting to reduce vibrations and exhaust booming. | ||
| View original record | To R. from Hs/Rn. 47005 c. to BJ. SG. Hs/Rn2/LG12.1.29. c. to Wor. E. c. to DA. BY. 'SS' ENGINE MOUNTING. 47250 We are now working exclusively on the last 10% of this movement only i.e. with the four… | ||
| Scan062 | Letter to The Dunlop Rubber Co. regarding an order for No. 6 mix. | ||
| View original record | X 7005 ? Hs/Rm6/LG. 14th. Jan. 1929. Expl: Dept: Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of F.B.Jones,Esq. We thank you for your letter of the… | ||
| Scan063 | Engine mounting solutions to address frame vibrations and high-speed wobble for the 'SS' and 20 HP models. | ||
| View original record | Hs. E. EA. BY. from R. c. to BJ. Wor. Sg. c. to FN. CWB. C. X7005 RL/M14.1.29. 'SS' AND 20 HP. X.7005 ENGINE MOUNTING ETC. X.5005 X.7380 Apparently there was truth in the idea that the frame… | ||
| Scan064 | Design of an engine back plate and its mounting system. | ||
| View original record | contd :- -2- The back plate must locate the engine. This might be bent up at the end to form surfaces and have angles bolted to the frame between which the rubber could fit by being bent the same way… | ||
| Scan065 | Letter from Dunlop Rubber Co. discussing orders and specifications for rubber blocks and mixing. | ||
| View original record | 47005? DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS,PHONE,BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: OUR REF: FBJ/FHC/4. Phys. Lab. Tele. Ext. 339. FORT DUNLOP… | ||
| Scan066 | Letter to Dunlop Rubber Co. Ltd. regarding a delivery of engine feet rubbers that do not meet the required specifications for poundage and deflection. | ||
| View original record | c. HS/Rm. X7005 RECEIVED 19 JAN 1929 17th. January 1929. BY11/G. Messrs. Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. For the attention of Mr. Jones. Dear Sirs, ENGINE FEET RUBBERS. We… | ||
| Scan067 | Page 2 of a letter regarding poundage figures and delivery dates under a new scheme. | ||
| View original record | - 2 - 17th. January 1929. poundage of 750 lbs. and consistently gave this figure. We have therefore used them under the new scheme - the three deliveries in question were made on Decr. 21st., Decr.… | ||
| Scan068 | Tests on 'SS' engine and body mountings to reduce vibration and front end movement. | ||
| View original record | To R. from Hs/Rm. c. to BJ. SG. c. to Wor. E. c. to DA. BY. 47005 Hs/Rm3/LG21.1.29. 'SS' ENGINE MOUNTING. 47230 Further tests have confirmed all our previous results on the SS. car. Though we now have… | ||
| Scan069 | Experiments to prevent body yawing and improve frame rigidity, noting road tests are delayed by weather. | ||
| View original record | contd :- -2- the car was entirely altered and exactly the same effect produced on the driver as a 30% reduction in the rating of the side steering tube springs. It appears to us that it should be… | ||
| Scan070 | Outlining improvements and the continuation of trials in France for the SS and 20 HP G.4 models. | ||
| View original record | HS. BY. from R. E. DA. c. to BJ. Wor. Sg. X7005 R4/M27.1.28. SS. AND 20 HP. G.4. X.7941 X.7005 X.5840 X.5005 X.7770 It is understood that the SS. will be continuing its trials in France, as naturally… | ||
| Scan071 | Design discussion memo regarding exhaust systems and flexible engine mountings, with hand-drawn sketches. | ||
| View original record | To DA. from R. E. Hs. BY. c.c. to SG. Wor. 47005 R3/M30.1.29. SS. EXHAUST ETC. X.7230 X.7005 In France we are waiting for two things - the above, and the engine mounting - i.e. slightly flexible on… | ||
| Scan072 | Continued memorandum discussing design suggestions and urging the recipient to make the final decision. | ||
| View original record | contd :- -2- You have shewn me what you would do. I have replied that it is not simple and practical enough. I have sent several suggestions, and am now waiting for your improved scheme, adopting some… | ||
| Scan073 | Design and materials for an 'SS' engine mounting system. | ||
| View original record | E. DA. } Hs. BY. } FROM R. c. to Ss. cx to Wor. X7005 R5/M.2.29. 'SS' ENGINE MOUNTING. X.7005 X.235 X.7380 We seem limited because of the front hydraulic dampers. I suppose they cannot possibly be… | ||
| Scan074 | Telegram confirmation regarding tests for engine mounting, reduced control height, and a duralumin Klaxon switch. | ||
| View original record | X7005 c. to BJ. c. to Wor. c. to BY. c. to Hs. CONFIRMATION OF TELEGRAM. SENT TO R. TO WW. AND RETRANSMITTED TO DERBY 1.2.29. X.7005 X.1163 X.7240 ENGINE MOUNTING AND REDUCED HEIGHT OF CONTROLS… | ||
| Scan075 | The performance and bodywork of a specimen 4-seater car after 10,000+ miles of driving. | ||
| View original record | Hs. from R. E. DA. X7005 R2/MS. 2. 29. c.c. to SG. Wor. C. c. to BY. CWB. PN. SS. SPECIMEN 18-EX. X.7770 X.7800 X.7830 X.7600 X.7005 This is the car that has done 10,000 miles in France, and… | ||
| Scan076 | Design preferences for car components like screens, wheel carriers, and bonnets. | ||
| View original record | contd :- -2- The single piece screen is now thought better : we like sloping pattern. There is value in the work done on wings, lamps, trunks etc. These wheel carriers have done extraordinarily well… | ||
| Scan077 | Internal report on the investigation into radiator movement and its relation to axle and frame periods. | ||
| View original record | To R. from Hs/Rn. c.c. to Sg. Wor. c.c. to E. DA. c.c. to BY. x7005 Hs/RnL/LGS.2.29. RADIATOR MOVEMENT 'SS'. x7250 We have refrained from report piecemeal on our tests on this complaint because we… | ||
| Scan078 | Series of tests to investigate and reduce radiator movement in a vehicle chassis. | ||
| View original record | contd :- -2- exactly over the line of the front subframe brackets and to each end hung a mass of lead equivalent to 200 lbs., or more than the front weight of the body. On the rear we had a test kit… | ||
| Scan079 | Modifications and tests conducted to resolve issues with radiator shimmy, torque reaction, and booming. | ||
| View original record | contd :- -3- (7) Our next modification was to single point mount the body in front, prevent it swaying by having light rubber control under the front subframe feet, and connecting the scuttle to the… | ||
| Scan080 | Tabulated report on tests investigating radiator movement under various engine and body mounting configurations. | ||
| View original record | SS' RADIATOR MOVEMENT. | Engine Mounting. | Type of body or ballast. | Body mounting or ballast distribution. | Condition of cross. | % Radiator movement 18-EX 10,000 miles - condition taken as 100% |… | ||
| Scan081 | Graph of frame deflection versus torque for different chassis models and spring configurations. | ||
| View original record | CHASSIS NO 10 GIII. 1 | x-·-·-x | REAR SPRING CHOCKED } CHASSIS GIII STANDARD 2 | o---o---o | " " FREE } " READINGS OF θ ARE AVERAGE FOR NS AND OS. OBSns 3 | o-----o | REAR SPRINGS CHOCKED CROSS… | ||
| Scan082 | The back of a photograph or document mount with a date stamp. | ||
| View original record | NITED 8 FEB 1929 | ||
| Scan083 | Letter from Rolls-Royce of America seeking advice from Derby on rubber engine mountings and cast dashboards. | ||
| View original record | x7005 ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. OY12- February 15th, 1929. Mr. E. W. Hives, Rolls Royce Ltd., Derby, England. cc - Mr. Bailey Mr. A.F. Sidgreaves Dear Mr. Hives: RE RUBBER ENGINE… | ||
| Scan084 | Letter regarding the fitting of cloth and felt silencing sheets to dashboards. | ||
| View original record | - 2 - We have recently started fitting cloth and felt silencing sheets to dashboards to increase silence, decrease heat, and avoid the rather "staring" effect of the bright aluminum sheet as seen by… | ||
| Scan085 | Experiments with 'SS' engine feet fitted to a 20-EX car and the resulting road test observations. | ||
| View original record | To R. from Hs. c. to SE. Wor. c. to E. DA. c. to BY. X7005 Hs3/LG19.2.29. 'SS' ENGINE FEET. We have fitted to 20-EX car - (this car has mostly been used for experiments on engine feet) the engine feet… | ||
| Scan086 | With a diagram proposing a simplification of the chassis engine mounting using a flexible strap. | ||
| View original record | X. 7005 R3/M22.2.29. E. Hs. from R. c. to SG. Wor. c. to DA. BY. SS. CHASSIS ENGINE MOUNTING. It is possible that we could simplify this slightly by using some form of connecting link to position the… | ||
| Scan087 | Telegram regarding engine tests using different types of rubber. | ||
| View original record | RR 144A (ROCKS.) (DB 914 6-25) MP 317354. x7005. ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Stamp: FD RECEIVED 23 FEB 1929. Time Received: 10.13. Date: 25-2-29. x5005. To: Royce Derby. By: JOSA.… | ||
| Scan088 | Unresolved issues with engine feet, steering, and exhaust booming following a 10,000-mile test. | ||
| View original record | SECRET. X7005 To-Wor. from Sg. Copy to Hs. C. CWB. E. DA. BY. re 21-EX. Sg15/E4.3.29 Referring to Hs1/LG27.2.29 I am sorry to see that you are still not happy about engine feet, which means of course… | ||
| Scan089 | Chassis periodicity issues and suggesting improvements for the 'SS' engine mounting. | ||
| View original record | x7505 To Hs. } FROM R. To E. } LE CANADEL. To DA. } c. to BY Wor. c. to PN. CWB. Copy of written note 4.3.29. R2/LGS.3.29. 'SS' ENGINE MOUNTING. I believe that the front end of every chassis will have… | ||
| Scan090 | Using friction damping and flexible mounting to reduce vibration, with an accompanying diagram. | ||
| View original record | contd :- -2- give damping to vertical motion and no horizontal flexibility. That is, I am suggesting friction damping in parallel with flexible mounting. I have suggested much more rigid front feet… | ||
| Scan091 | Two 'SS' chassis cars ready for France and travel plans to Le Canadel to discuss their new features. | ||
| View original record | To R. from Hs. c.c. to Sg. Wor. c.c. to E. DA. c.c. to HY. ---------------- 47005 HsL/LGS.3.29. ---------------- 'SS' CHASSIS. We expect to have both cars referred to in the attached mem. ready to… | ||
| Scan092 | Experiments with 'SS' engine mountings to reduce radiator movement. | ||
| View original record | To R. from Hs/Sp. c.c. to SG. Wor. c.c. to E. DA. c.c. to BY. Ha/ma2/LG8;3.29. 'SS' ENGINE MOUNTING. We have had E. and DA. at the Works for the past week and have been concentrating on engine… | ||
| Scan093 | Test results on radiator movement and engine mounting arrangements for closed cars. | ||
| View original record | contd :- -2- We therefore replaced these original feet. Over our test road they were certainly better than the last stage of the Lec. foot but we did not feel that the car would be acceptable with the… | ||
| Scan094 | Tests concerning frame cross-members and wheel sizes to improve radiator steadiness and reduce oscillations. | ||
| View original record | contd :- -3- We carried out further tests removing the cross from the frame and found that with any engine mounting this at once greatly reduced the radiator movement. Without the cross it would… | ||
| Scan095 | Requesting the fitting of dampers to the flywheel casing and gearbox on car 21-EX. | ||
| View original record | X70-05 To RHC. from Hs/Rm. c. to GWH. Hs/Rm1/LG11.3.29. 'SS' ENGINE MOUNTING 21-EX. Will you please fit LeC.2634, the scheme for carrying dampers off the flywheel casing, to 21-EX and at the same time… | ||
| Scan096 | Staged modification of the 'SS' engine mounting on car 20-EX. | ||
| View original record | To RHC. from Hs/Rn. c. to AJL. X7005 Hs/Rm2/LG11.3.29. 'SS' ENGINE MOUNTING - 20-EX. We wish to make 20-EX an identical car to 22-EX by stages. The first stage will be to replace the rubber feet on… | ||
| Scan097 | Progress report on aero engines, SS engine mounting, and other development work. | ||
| View original record | Hs. RG. from R. E. c. to SG. Wor. C. c. to DA. BY. X7005 R1/M1.3.29. PROGRESS - AERO AND OTHER WORK. X.2917 X.2465 X.7005 X.3933 There is some anxiety that we are not getting along with the work we… | ||
| Scan098 | The composition and value of various lubricating oils, including fatty, mineral, and compound types. | ||
| View original record | contd :- -2- (our old friend) and Shell compound (Ricardo's and WW's friend) We can then ascertain the percentage of fatty oil and their source. I have in mind a percentage of Sperm, or a percentage… | ||
| Scan099 | Testing conditions for SS engine mountings and observed vehicle instability. | ||
| View original record | To R. from E. c. to SG. Wor. Hs. +7005 E1/M12.3.29. SS. ENGINE MOUNTING ETC. X.8005 X.7810 X.7830 X.7250 At the risk of repeating a little of what has already been reported the following notes are… | ||
| Scan100 | The periodic nature of radiator wobble and the results of tests on different engine mounting systems. | ||
| View original record | contd :- -2- revaluation of the earlier tried systems, in particular the first strip rubber mounting which was found to be appreciably below the required standard, and was 'written down' from 80% to… | ||
| Scan101 | Development avenues and testing schemes for engine mounting and frame damping to address oscillations. | ||
| View original record | -3- (3) The third conclusion was that logically there were two avenues of development: (a) To utilise the engine to the max. extent to damp the oscillations so that the period would never come up. (b)… | ||
| Scan102 | Road tests concerning road wheel diameter, booming noise, engine roughness, and exhaust manifolds. | ||
| View original record | contd :- -4- A run on the test road immediately established this as the most effective modification yet, the chassis riding through without any apparent periodic effects, and with a considerable… | ||
| Scan103 | Manifold experiments and chassis testing to address noise and vibration issues. | ||
| View original record | contd :- -5- Regarding the manifold we made one up from welded steel with an expansion box on the lines of the old Silver Ghost, as in sketch -(SEE ORIGINAL FOR SKETCH) but although this was thought… | ||
| Scan104 | Request to pass an order for the attached rubber jointing for the 'SS' Engine Mounting to Messrs. Crinup, Derby. | ||
| View original record | X7005 To ROY/MS. from Hs/Rm. Hs/Rn7/LG15.3.29. Will you please pass an order for the attached rubber jointing for the 'SS' Engine Mounting to Messrs. Crinup, Derby. Hs/Rm | ||
| Scan105 | Copy of a telegram from Royce giving approval and instructions for car modifications. | ||
| View original record | X7005 COPY OF TELEGRAME FROM LAVANDOU - 21.3.29. X7380 X7005 CAR WITHOUT X MEMBER QUITE SATISFACTORY GO AHEAD WITH TUBULAR CROSS MEMBERS AND SANDWICH ENGINE FEET ALSO TWENTY TWO EX. EXHAUST STEADIED… | ||
| Scan106 | Telegram received by telephone detailing car modifications and performance. | ||
| View original record | ROLLS-ROYCE LTD. X7005 TELEGRAM RECEIVED BY TELEPHONE. F.D. RECEIVED 21 MAR 1929 Time Received: 5.23 Date: 21-3/29 To: Rayby By: WGA from: Llandow 21st 11-40 Message: cars with an ex member number… | ||
| Scan107 | Telegram from Royce regarding specifications for instrument patch, controls, and springs for the first cars. | ||
| View original record | ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. RR 144A (WORKS.) (DB 914 6-25) MP 317354 Time Received Date To: 2H By: TJG from: 2 instrument patch without petrol gauge lowered controls and springs… | ||
| Scan108 | Confirming verbal instructions for the design and material thickness of the S.S. Engine Foot. | ||
| View original record | BY/HBB BY/CS c. Hs. ---------- 47005 BY3/G.5.4.29. S.S. ENGINE FOOT. --------------- I wish to confirm my verbal instructions to the effect that Hs. preferred to have the engine feet made suitable for… | ||
| Scan109 | Rubber strips F.80800 for experimental chassis work, with information from the Avon India Rubber Co. | ||
| View original record | Hs. X7005† Roy/Dnl4/BH12.4.29. With reference to the items you urgently need for Experimental Chassis work, we have now received some information from the Avon India Rubber Co. regarding Rubber Strips… | ||
| Scan110 | Use of a distance bush in rubber engine feet for experimental cars. | ||
| View original record | X7005 To BY. from Hs/Rn. Hs/RmL/LG13.4.29. RUBBER ENGINE FEET. We have been considering rubber engine feet to LeC.2649/50. As you are aware we have been running experimental cars without the distance… | ||
| Scan111 | The decision to retain the distance bush in rubber engine feet for the WW design. | ||
| View original record | X7005 To BY. from Hs/Rn. Hs/Rnl/LG13.4.29. RUBBER ENGINE FEET. We have been considering rubber engine feet to LeC.2649/50. As you are aware we have been running experimental cars without the distance… | ||
| Scan112 | Technical query letter regarding the design and effects of a body subframe, with handwritten answers. | ||
| View original record | x7005 OY-15 June 10th, 1929. Mr. E.W. Hives, Rolls Royce Ltd., Derby, England. c - Mr. Robotham. Dear Mr. Hives: Re Body Subframe - Section 7000 We notice that at "SS" you are definitely proceeding… | ||
| Scan113 | Letter from Maurice Olley of Rolls Royce of America discussing technical queries and the adoption of subframes. | ||
| View original record | - 2 - (9) On one example we have seen with subframe the floor has been sunk down in such a way that cleaning, egress from the car, etc., have been interfered with, and the problem of fitting a good… | ||
| Scan114 | Request to fit diabolo rubber engine feet to car 20-EX. | ||
| View original record | X7005. To RHC/FW. from Hs/Rm. Hs/Rml/LG12.6.29. Will you please arrange to fit diabolo rubber engine feet to car 20-EX. Hs/Rm. | ||
| Scan115 | 'SS' engine feet, detailing their function in providing torsional rigidity and isolating high-frequency vibrations. | ||
| View original record | +7005 To BY. from Hs/Rn. c. to Sft. Mx. Hs/Rm2/LG14.6.29. 'SS' ENGINE FEET. +7380 The object of the SS. feet is to give the max. torsional rigidity to the frame while isolating high frequency engine… | ||
| Scan116 | Blueprint of a rubber engine feet distance piece. | ||
| View original record | P DISTANCE PIECE D RUBBER ENGINE FEET DISTANCE PIECE | ||
| Scan117 | The reverse side of a document with a purple ink stamp from the Print Room. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM 14 JUN 1929 DERBY. | ||
| Scan118 | Quality of rubber for engine mountings, comparing suppliers. | ||
| View original record | To BY. from Hs/Rn. c. to Ms. X7005 Hs/Rn2/LG20.6.29. X7005 X.5005 RUBBER ENGINE MOUNTING. The first sets of sandwich engine feet were built up with sheet rubber obtained from Messrs. Crumps. Derby.… | ||
| Scan119 | Issues and tests related to engine suspension and engine coupling. | ||
| View original record | To OY: From Hs/Rm: +7005 Hs/Rn2/LG21.6.29. ENGINE SUSPENSION. X7005 X7380 7305 With reference to your note of the 2nd. June with reference to engine suspension. The 5th. point at the rear of the… | ||
| Scan120 | Testing and improving a fabric coupling, comparing riveting with screwed thimble methods. | ||
| View original record | contd :- -2- We find that if we spigot the studs on the spider which carries the coupling we increase the life of the fabric by several hundred per cent. Originally these studs were not spigoted… | ||
| Scan121 | Technical note answering questions about the specifications and effects of body subframes. | ||
| View original record | contd :- -3- it is very inaccessible. BODY SUBFRAMES. With reference to your note of 10th. June. Answering your questions in order :- (1) The subframe as a unit weighs 107¼ lbs. (2) We do not think… | ||
| Scan122 | Subframe construction, seat mounting, floor design, and sealing. | ||
| View original record | contd :- -4- jigs consisting of a dashboard, steering column and frame side members so that they can work more accurately. (8) The seats are mounted on the subframe through the coachwork construction.… | ||
| Scan123 | Agreed modifications for chassis subframes, based on experience with SS and India bodies. | ||
| View original record | BY. from DA/EV. C. to Hs. X7005 DA/EV6/M5. 2. 29. RE. SUBFRAMES. As a result of our experience with the mounting of SS. and India bodies we agree to the following modifications to the subframes of… | ||
| Scan124 | Difficulties of fitting S.S. bodies to chassis and proposing the use of a special rig as a solution. | ||
| View original record | X7005 DA/EV. from AJL. c.c. to BY. Wor. HS/AJL1/LG22.4.29. BODIES FOR S.S. DA/EV9/M17.4.29. Having mounted all the SS. bodies on their respective chassis here in Derby we are in a position to… | ||
| Scan125 | Supply of subframe brackets and templates to coachbuilders. | ||
| View original record | contd :- -2- for Derby to posses an exactly similar rig as far as subframe brackets are concerned - other parts not necessary. All subframes would be despatched to the coachbuilders until Works are… | ||
| Scan126 | Interchangeability of subframes and chassis for coachbuilders. | ||
| View original record | Hs/AJL. from DA/EV. X7005 EV4/29.4.29. c. to Wor. BY. RE. BODIES FOR S.S. We thank you for your Hs/AJLL/LG22, 4.29. It is essential that any subframe shall fit any chassis. To make this possible we… | ||
| Scan127 | Challenges and process for coachbuilders creating the first batch of bodies. | ||
| View original record | Contd :- -2- At the outset, for the first batch of bodies, the information given must of necessity be scanty, owing to secrecy, but we hope to be able to give on the two proposed prints sufficient to… | ||
| Scan128 | Difficulties and solutions for mounting subframes on the S.S. model. | ||
| View original record | To DA/EV. from Hs/AJL. C. to Wor. BY. X7005 Hs/AJL1/LGL.5.29. BODIES FOR S.S. In reply to EV4/29.4.29. We agree that the difficulties in connection with mounting subframes on our SS. are not… | ||
| Scan129 | Blueprint of a mechanical component with handwritten annotations for design modification. | ||
| View original record | ROLLS-ROYCE LIMITED. PRINT ROOM. 21 JUN 1929. DERBY. SHOULD BE SPIGOTED. THESE SCREWS ARE NO GOOD. oy from Rm. 21/7/29 | ||
| Scan130 | Secret internal memorandum detailing the objectives for redesigning SS cars, including advice for coachbuilders on weight distribution. | ||
| View original record | SG. FROM R. SECRET. X7005 R1/M16.9.29. C. to Mr. Fuller. " Wor. Cy. C. " By. Hs. SS. CARS. X.7770. X.7005. X.7830. Our objects in redesigning are :- (1)........ Improved riding qualities. (2)........… | ||
| Scan131 | Improvements in chassis clearance, performance, induction, and central oiling systems. | ||
| View original record | (2) we have reduced the height of the frame from the ground, and actually increased our minimum clearance. We should like to point out here that many chassis having very low appearance have what we… | ||
| Scan132 | Specification document detailing the transmission, clutch, gearbox, propeller shaft, and rear axle components. | ||
| View original record | (3) The specification is much the same as at present. The engine sizes and description are the same, except the gearbox unit construction with engine, open propeller shaft, and rear axle carried by… | ||
| Scan133 | Description of the vehicle's suspension system, detailing the semi-elliptic springs and hydraulic dampers. | ||
| View original record | (4) The centre casing carrying the hypoid gears and the differential is of aluminium, but so arranged that the aluminium is on compression only. Thus a construction is obtained which is both light and… | ||
| Scan134 | The lubrication system, frame, and steering gear of a vehicle. | ||
| View original record | (5) LUBRICATION. The chassis is fitted with a special system which reduces the labour of lubrication to a minimum. It consists of a pump mounted on the dash and operated by the foot, whereby oil is… | ||
| Scan135 | Technical description of improvements made to the front axle, road wheels, radiator, battery, and body mounting. | ||
| View original record | (6) FRONT AXLE. The front axle and brakes follow the well tried construction used on Phantom, and in general only detail improvements have been made. There is also the positive control of the front… | ||
| Scan136 | Improvements to the instruments and engine design of a chassis. | ||
| View original record | (7) INSTRUMENTS. The arrangement of the facia board has been simplified and improved in appearance by the provision as standard, of a frame in which the instruments are mounted, and provided with… | ||
| Scan137 | Summary of engine and vehicle improvements, including a new vacuum pump, electric starter, and a list of advancements in performance, handling, and comfort. | ||
| View original record | (8) long hills and has ill effects on the slow running of the engine), a special little vacuum pump has been provided driven off the front end of the camshaft. This pump is of the most simple and… | ||
| Scan138 | Technical note on the S.S. Suspension, detailing its springs, lubrication, and handling characteristics compared to the Phantom model. | ||
| View original record | To Hm. from Hs/Rm. For Depot Sheet. X7005 Hs/Rm. 2/WJ.18.9.29. S.S. SUSPENSION. X7005 X P005 The S.S. springs have slightly more deflection front and rear than the Phantom. Inaddition, the top four… | ||
| Scan139 | Adjustments to shock absorbers to balance riding qualities at different speeds. | ||
| View original record | -2- suspension, the shock absorbers have been arranged so that both loads can be adjusted without removing the damper from the car. A separate sheet is being circulated which indicates how this may be… | ||
| Scan140 | The trial and comparison of the Farnsworth suspension system. | ||
| View original record | To Wor. from Hs/Rm. c. By. X7005. Hs/RmL/ADL4.11.29. FARNSWORTH SUSPENSION. We have tried the car fitted with this suspension. While it rides well when driven fast over large pot holes, it is… | ||
| Scan141 | The development challenges of applying an independently sprung wheel system to a high-speed car. | ||
| View original record | Hs/Rml/AM.4.11.29 contd. -2- to be obtained from independently sprung wheels, and we are sure that if Mr.Farnsworth tried one of our Phantom II cars such as 18-EX he would agree that years of… | ||
| Scan142 | Technical drawing of a lubricated cantilever spring. | ||
| View original record | No, OPERATION, MACHINE, TOOL, TOOL No RR 77/1511(1) G 134 15.S.29 N&G Lᴛᴅ R2105 .750 .625 3.000 3.000 .187 SECTION A.B. .050 .375 .050 WIDE X .025 DEEP END OF PLATE ABOVE VIEW SHOWING GROOVING AT ENDS… | ||
| Scan143 | Drawing cancellation due to oil leaks. | ||
| View original record | HS/Rm The attached drawing cancels R2058. we had trouble due to oil leaks at the roll of the spring eye and also between the wearing plate and main plate. Huyse | ||
| Scan144 | Instructions to investigate and rectify issues with engine feet and pivot lean on a vehicle. | ||
| View original record | RIC. From Hs/Rn. x7005. Hs/Rn.5/MJ. 21.1.30. 1-WJ ENGINE FEET. The frame of this car is behaving as if the engine feet were not properly tightened up. We rather suspect that the distance pieces in the… | ||
| Scan145 | Recommendation to use a harder rubber for semi-isolation bushes and washers, as the current material is too soft. | ||
| View original record | To Ey. From Hs/Rn. c. to Da. c. to RV. Hs/Rn. 2/W.6.2.30. x 7005 x 6b13 We think that the semi isolation rubbers, bushes etc., are made of material which is too soft. We attach a sample of rubber… | ||
| Scan146 | Solutions for radiator shimmy on the Phantom II, including body suspension modifications and experiments. | ||
| View original record | To Hs/Rm. From EV. COPY TO BY. DA. SG. RADIATOR SHIMMY. With reference to your Hs/Rm. 2/MJ. 6.2.30, suggesting that we should change to harder rubber bushes for the scuttle isolation on Phantom 2., we… | ||
| Scan147 | Proposal with a sketch for a body suspension experiment to address radiator shimmy. | ||
| View original record | -2- pillars and the dash flanges to act as dampers. We prefer this scheme to the one suggested by DA. for the following reasons - (1) It is easier to fit into an existing chassis. (2) The support is… | ||
| Scan148 | Using a harder rubber for semi-isolation pieces to address radiator shimmy. | ||
| View original record | DA/EV. From Hs/Rn. c. to EV. Da. c. to GS. 87005 Hs/Rn.2/WJ.11.2.30. x7250 x7830 x7005. RADIATOR SHIMMY. With reference to EVG/10.2.30 The reason we asked for a somewhat harder rubber for… | ||
| Scan149 | Test results for an engine foot mounted shock damper, showing deflection measurements under various loads. | ||
| View original record | x7005 To Da. From Hs/An. c. to E. By. Hs/Rn.3/MJ.10.3.30. D/520 see orig. for print. ENGINE FOOT MOUNTED SHOCK DAMPER. S.S. N.Sch.3031. ENGINE FOOT AND DAMPER MOUNTED ON CRANKCASE. REAR FEET MOUNTED… | ||
| Scan150 | Typed note discussing the stiffness of a cross shaft and the potential for redesigning a damper. | ||
| View original record | of mounting is much stiffer than the cross shaft that takes the load from the outer to the inner lever. This cross shaft would appear to be in need of shortening when the damper is re-designed as part… | ||
| Scan151 | Confirming the handover of a fixing for a three-point engine suspension experiment. | ||
| View original record | X7005 By. from Da. c. Hs. Dal5/G11.3.30. THREE POINT ENGINE SUSPENSION EXPERIMENT This is to confirm having handed to you this morning N.Sch.3055, fixing for the cross bar at the rear of gear box.… | ||
| Scan152 | 'Jellying Experiment' on a three-point engine suspension, requesting a part to be made from a schedule print. | ||
| View original record | X7005. By. from Da. c. Hs. Da8/G13.3.30. X. 457 X. 7005 JELLYING EXPERIMENT - THREE POINT ENGINE SUSPENSION. Herewith N. Sch. 3057 shewing a temporary front support for the engine in the above… | ||
| Scan153 | Persistent engine vibration issues in Phantom II and 20 HP models. | ||
| View original record | Hs. c. By. c. E. c. Rg. c. Da. c. Wor. c. Sg. X7005. EP4/H20.3.30. X.7770. X.5770. X.634. X.7005. X.5005. Re. PHANTOM II & 20 HP. ENGINE VIBRATIONS. In spite of various improvements we have recently… | ||
| Scan154 | Body construction issues, specifically regarding boom periods in limousines. | ||
| View original record | -2- is the limousine fitted with division. Fortunately the feature is worse on the front seats and not so pronounced at the back. In all cases of boom periods we vigorously tackle the body… | ||
| Scan155 | Instructions for fitting a single point front engine mounting on a 20-EX chassis. | ||
| View original record | +7005. RHC. From Hs/Rm. Hs/Rm.4/MJ.28.3.30. When you fit the single point front engine mounting on 20-EX will you arrange to take the rubber packing out of the front engine feet so that the unit will… | ||
| Scan156 | Instructions for replacing solid rear engine feet with Diobolo rubber blocks for road testing. | ||
| View original record | RHC. From Hs/Rm. Hs/Rm.6/WJ.7.4.30. 20-EX. Will you please replace the solid blocks in the rear engine feet on this car with Diobolo rubber. It will then be road tested and afterwards brought in for… | ||
| Scan157 | Phantom II suspension tests involving different front road spring ratings to address pitching and radiator 'jellying'. | ||
| View original record | X7.005 To R. from Hs/Rm ( Held up ) c. to Wor. Da. c. to E. Sg. c. to Hm. By. Hs/RM2/MJ12.4.30. X7410 X7005 PHANTOM II SUSPENSION. During our recent tests on radiator 'jellying' we had occasion to fit… | ||
| Scan158 | Solutions for 'radiator jellying', body mounting, and vehicle vibrations. | ||
| View original record | X7005 Hs/Rn. Da. ) FROM R. E. BY. ) (At Le Canadel) C. to Sg. Wor. PN. C. to C. LHS. EP. RL/1/5.5.30. X.7380 X.457 X.5380 X.7250 X.7830 X.5250 X.5830 X.7005 X.5005. CAR WORK - RADIATOR JELLYING. BODY… | ||
| Scan159 | Methods for insulating the power unit, body, and passengers within a vehicle. | ||
| View original record | R1/25.5.30. contd. -2- We have then :- (1) The power unit and gearbox insulated from the frame (rubber). (2) The body insulated from the frame (rubber) (3) The passengers insulated from the body (good… | ||
| Scan160 | The development and fitting of a new engine mounting for the 22-EX model. | ||
| View original record | To RHC. From Hs/Rm. c. to My. c. to AJL. c. to Da. Hs/Rm.3/MJ.8.5.30. X7005 X7770 ENGINE MOUNTING 22-EX. We have now reached a point where we think we can stabilise a new engine mounting. The parts… | ||
| Scan161 | Issues and suggestions regarding body mounting, subframe isolation, and various fittings. | ||
| View original record | x7005. (Rec'd at Works 20.5.30) EP7/H21.5.30. DA. R. Hs. e. R. (Hold over) C. Sg. Wor. C. LHS. BV. JLE. re. BODY MOUNTING ETC. With our experience of testing complete finished cars, we are able to… | ||
| Scan162 | Causes and potential solutions for 'booming' noises in coachbuilt car bodies. | ||
| View original record | - 2 - EP7/H21.5.30. The "dead" fabric type body is dying out in favour of the boomy coachbuilt type. We find the characteristics of the chassis for torque reaction affect and fuss etc. at high speeds… | ||
| Scan163 | Issues related to body mounting, scuttle isolation, and aprons for coachbuilders. | ||
| View original record | X7005. EP. from Da/EV. c. HS. E. LHS. c. C. Ey. Da/EV1/M24.5.30. X.7380 X.5380 X.7005 X.5005 X.4613 BODY MOUNTING ETC - EP7/H21.5.30. LHS. has given me a copy of the above memo. We were surprised to… | ||
| Scan164 | Chassis modifications, including rubber subframe supports and exhaust pipe extensions. | ||
| View original record | Da/EV1/M24.5.30 contd. -2- portion of the car it must not be rigidly attached to the chassis frame but mounted on felt or rubber, and that it must have louvres in it to allow the exhaust fumes to pass… | ||
| Scan165 | Testing and issues with the second left-hand drive chassis 25-EX, detailing a 'boom' noise, overheating, and exhaust failure. | ||
| View original record | x7005. To Sg. From Hs. c. to Wor. c. to War. Hs.2/MJ.14.7.30. x7772. x7940. SECOND LEFT-HAND CHASSIS 25-EX. Replying to Sg.23/ES.7.30. We shall be taking this car to W.W. tomorrow in order to get R's… | ||
| Scan166 | Page two of a letter discussing a trip to France to meet with Hancock. | ||
| View original record | -2- to France and go over several points with Hancock. Hs. | ||
| Scan167 | Experience with 'Diamond' engine mountings and torque reaction dampers on the 40/50 and 25 HP models. | ||
| View original record | To R. From Hs/Rn. c. to Sg. Wor. c. to Da. E. c. to Ey. J 7005. Hs/Rn.6/WJ.12.1.31. X.7005. X.5005. ENGINE BOOMS & TORQUE REACTION. We have now had experience of the 'Diamond' engine mounting on both… | ||
| Scan168 | Progress report on a scheme for converting crankcases to a diamond mounting system. | ||
| View original record | R. FROM E. K7005 E3/M5.2.31. C. to SG. WOR. C. to HS. BY. P. 2. DIAMOND MOUNTING. X.7005. X.7000. Please find attached print of Lec. 2873. dealing with the above. This is not a completed scheme but… | ||
| Scan169 | Blueprint and construction for a diamond suspension power unit mounting. | ||
| View original record | HS. FROM E. to SG. WOR. BY. P 2. DIAMOND SUSPENSION FOR POWER UNIT X/005 E5/M7.2.31. We send you herewith blueprint of LeC. 2873. shewing the sch. we have made for a crossmember and front pivot in… | ||
| Scan170 | With sketches proposing a new design for an engine front support. | ||
| View original record | E. HS.) FROM R. BY. ) (At Le Canadel.) noor R1/M10.2.31. C. to SG. WOR. C. to HY. RHC. P. 2. ENGINE FRONT SUPPORT. To suit existing cars, assuming we cannot get satisfaction unless we have central… | ||
| Scan171 | Development of a front suspension system for diamond mounting. | ||
| View original record | R. FROM E. X/1005 E2/M14.2.31. C. to SG. WOR. C. to HS. BY. RHC. P. 2. FRONT SUSPENSION FOR DIAMOND MOUNTING. The scheme with side arms for the above - LeC. 2873. - was not in the final form as… | ||
| Scan172 | Potential car improvements concerning torque reactions and flywheel vibration. | ||
| View original record | HS. FROM R. (At Le Canadel.) Moor R1/M23.2.31. C. to SG. WOR. C. to RG. E. C. to DA. BY. re. CHINA 4. VISIT TO LE CANADEL. 18-EX. ETC. X.8992. X.634. X.HC05. I am not expecting to see any drawings… | ||
| Scan173 | Blueprint revision for the engine front suspension, including pivot pin fixing options. | ||
| View original record | R. FROM E. X/1005 EL/M23.2.31. C. to SG. NOR. C. to HS. BY. P. 2. ENGINE FRONT SUSPENSION. Please find herewith a blueprint of LeC. 2876., shewing a revision of the above on the lines you propose,… | ||
| Scan174 | Proposed test for a modified anti-jellying engine mounting scheme using bell cranks and a push-pull rod. | ||
| View original record | R. FROM E. C. to SG. WOR. C. to HS. DA/EV. X7005 E2/M28.2.31. X.457. X.7005. re. ENGINE MOUNTINGS. Referring to EV's anti-jellying scheme described in DA/EV1/M27.2.31., we should like to make a test… | ||
| Scan175 | Parts request for converting front engine feet to use thicker rubber strips. | ||
| View original record | X7005 To RHC. From Hs/Rm. Hs/Rm.3/KT.16.3.31. Will you please prepare the following pieces in order that we may convert the front engine feet of a car to thicker rubbers. Parts required for use with… | ||
| Scan176 | Proposal for engine mountings using a parallel motion linkage with flexible links to manage torsional oscillation and thermal expansion. | ||
| View original record | R. FROM E. C. to SG. WOR. C. to HS. BY. X7005 E1/M17.3.31. X.457. X.7005. ENGINE MOUNTINGS. In coupling the frame and engine together with parallel motion linkage for the purpose of adding torsion… | ||
| Scan177 | Engine mounting and frame design to address vibration issues, comparing with Bentley and Hispano. | ||
| View original record | HS. E. FROM R. BY. DA/EV.) (At Le Canadel.) X7005. R1/M18.3.31. Copy to - SG. WOR. P. 2. ENGINE MOUNTING. X.634. X.7005. X.7830. HS% will tell us if it is true that R.R., Bentley, and Hispano - i.e.… | ||
| Scan178 | Engine mounting designs, frame rigidity, and vibration issues in various cylinder configurations. | ||
| View original record | (2) at anything sufficiently practical. Mr Evernden has sent us an idea for an engine mounting that should be equal to the diamond mounting but can be made to help the torsional rigidity of the frame.… | ||
| Scan179 | Engine vibrations, body booms, and proposed modifications to the engine mounting and flywheel. | ||
| View original record | HS. FROM R. (At Le Canadel.) X700r R4/M25.3.31. C. to SG. HOR. C. to PN. BY. E. P.2. BODY BOOMS. X. 634. X. 7005. X. 7830. We have removed the rear feet and the vibrations of the engine do not now… | ||
| Scan180 | Cure for torsional vibration of the crankshaft or flywheel whirling. | ||
| View original record | - 2 - harmonics or octaves of the torsional vibration of the crankshaft or whirling of the flywheel. I feel sure much can be done to cure the trouble at source, then compromise engine mounting -… | ||
| Scan181 | Effects of removing rear engine feet from cars to address body booms. | ||
| View original record | 17005 Hs.10/MJ.31.3.31. K634 x7005 x7600 To Sg. From Hs. c. to Wor. PH. c. to E. BY. P.2. BODY BOOMS. You will see by R.4/M25.3.31. that R. consideres removing the rear engine feet from 18-EX. car at… | ||
| Scan182 | Body booms and the relationship between engine vibrations and frame stiffness. | ||
| View original record | H1/M8.4.31. X.634 X.7830 X.7005 HS. E.) FROM R. DA. ) (At Le Canadel.) C. to SG. LHS. WOR. P. 2. BODY BOOMS. C. to PN. C. CX. EP. It is now agreed that as regards body booms there is nothing we can do… | ||
| Scan183 | Improvements to chassis stiffness, engine mounting, and suspension design. | ||
| View original record | (2) Bentley is now, I firmly believe, trusting to the body to help the stiffness and using our old 3 point mount-ing (P. 1. scheme.) I have for some time thought that without the assistance of the… | ||
| Scan184 | Issues with a 6 cylinder engine, chassis rigidity, body booms, and proposed static tests. | ||
| View original record | (3) You will remember that I took up the position that our 6 cyl. P. 1. & P. 2. engine could be made better so that we could reduce the trouble at the source and after suggesting working at every… | ||
| Scan185 | Customer complaints regarding vehicle 'booms' by modifying the rear engine feet and column support. | ||
| View original record | To R. From Hs/Rn. c. to Sg. Wor. c. to E. Da. c. to Sy. X7005 Hs/Rn. 2/KT.18. 4. 31. X.634. X.7005. We have about 1/2 doz. customers who have complained bitterly about booms, that we must do something… | ||
| Scan186 | Standardisation for removing rear engine feet on the Phantom II model. | ||
| View original record | To Sg. From Hs. c. to Wor. Hd. X7005. Hs.4/MJ.21.4.31. BOOMING PHANTOM II. X.634. X.7005. We have circulated a standardisation sheet for the removal of the rear engine feet. As far as we are concerned… | ||
| Scan187 | Testing of torque reaction dampers and diamond engine mountings on experimental cars. | ||
| View original record | To RHC. From Hs/Rm. X7005. Hs/Rm.1/KT.23.4.31. TORQUE REACTION DAMPERS WITH DIAMOND ENGINE MOUNTING. The scheme you fitted up for us on 24-EX has proved to be just what we want for testing purposes.… | ||
| Scan188 | Car engine suspension, mounting, and vibration damping for P.2. and J.1. models. | ||
| View original record | Hs. from R. c. Sg. Wor. LHS. c. EV. HV. EP. X7005 R2/M7.5.31. X.7005 X.5005 X.634 CAR ENGINE SUSPENSION. EXISTING P.2. AND J.1. We are just completing the design for the front central engine support,… | ||
| Scan189 | Despatch of torque reaction damper friction discs. | ||
| View original record | To G/Mt. From Hs/Rm. 7005. Hs/Rm.4/KT.9.5.31. We are sending into the stores for despatch to E. of West Wittering, a pair of torque reaction damper friction discs. Hs/Rm. | ||
| Scan190 | Confirming the despatch of a pair of friction discs as requested. | ||
| View original record | To E. From Hs/Rm. X7005- Hs/Rm.5/KT.9.5.31. With reference to E.3/M6.5.31. we have today despatched to you a pair of friction discs as requested. Hs/Rm. | ||
| Scan191 | Request for samples of oil-soaked cotton linings from torque and shimmy dampers for an experiment. | ||
| View original record | RM. FROM E. X9005 E3/M16.5.31. re. TORQUE AND SHIMMY DAMPERS. Could you send a couple of the cotton linings you use on the above, that you soak in oil. we should like to have a look at these and… | ||
| Scan192 | Modified engine mounting to cure booms. | ||
| View original record | BY. FROM E. X4005 P.2. MODIFIED MOUNTING TO CURE BOOMS. C. to SG. WOR. HS. FL/M19.5.31. We send you herewith LeC. 2910. shewing the torque carrying feet to suit the so-called diamond mounting. These… | ||
| Scan193 | Proposal for a 10,000-mile endurance test of a Phantom II car in France to evaluate engine mounting modifications. | ||
| View original record | R. from Hs. c. Sg. c. HOT. E. c. Da. Ry. 8700 S. Hsl/AD20.5.31. 1700 S. (crossed out) 8794 L. PHANTOM II 10,000 MILE TEST IN FRANCE. It is proposed to send a Phantom II car to France in order to try… | ||
| Scan194 | Proposed modifications and component trials for a vehicle. | ||
| View original record | -2- Higher compression ratio. We have fitted, with Sg's permission, on two customers' cars, modified cylinder heads to give a compression ratio of 5 : 1 instead of 4.6 Nitralloy crankshaft. We have… | ||
| Scan195 | List of proposed component updates and tests for L.H. cars, including a 25-KX model for France. | ||
| View original record | Hsl/AD20.5.31 contd. -3- Road Springs. These will be the low rating type which have been standardised and fitted to all L.H. cars. Dynamo. This will be the latest type with no taps on the armature… | ||
| Scan196 | Proposing modifications for the P.2. vehicle's 10,000-mile trial, concerning front suspension and engine flywheel flutter. | ||
| View original record | HS. FROM R. R3/M22.5.31. X7005 C. to SG. WOR. P. 2. 10,000 MILES TRIAL. X.7941. C. to BY. X.7005. I would like, if possible, for this programme to be somewhat modified. For instance, I am sure we are… | ||
| Scan197 | Reducing engine noise and addressing crankshaft torsional vibrations across a range of speeds. | ||
| View original record | (2) stiffening the support. To these 2 items we add the silencer to the intake of the carburetter, and you have the complete combination which we hope will completely reduce the fuss, roar, and boom,… | ||
| Scan198 | The poundage settings for torque reaction dampers with diamond mounting for the Phantom 11. | ||
| View original record | X7005. E. From Hs/Les. Hs/Les.S/MJ.22.5.31. Torque Reaction Damper Poundage with Diamond Mounting. Phantom 11. As far as we can at the present judge, torque reaction dempers set at a load of 12 lbs.… | ||
| Scan199 | Delay in work on the P. 2 diamond engine mounting and an attached blueprint. | ||
| View original record | BY. FROM E. X7005 E1/M23. 5. 31. C. to SG. WOR. HS. P. 2. DIAMOND ENGINE MOUNTING. Regarding the diamond mounting for P. 2. we have already sent you the torque carrying feet fitted with soft diabolo… | ||
| Scan200 | 10,000-mile test, engine mounting schemes, frame deflection, and balance weights for the 25-EX car before sending it to France. | ||
| View original record | X7005. To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Hs.9/MJ.28.5.31. F.2 10,000 Miles Test. X.7770. X.7005. Replying to R.3/M22.5.31. If we carried out the suggestions contained in this memo… | ||
| Scan201 | High-speed engine experiments, discussing carburettors, ignition accessibility, and vibration. | ||
| View original record | X7005 Hs. from R. c. Sg. c. Wcr. c. Ev. R5/M28.5.31. HIGH SPEED EXPERIMENTS. X.7771 X.7080 X.7005. We are pleased to hear that you are getting on well with the power of P.2. at high speeds and maximum… | ||
| Scan202 | 45HP conversion mounting, discussing its lateral stiffness and damping properties. | ||
| View original record | HS. ) FROM R. BY. ) X9005 R12/M28.5.31. C. to SG. WOR. C. to HY. RHC. 45HP. - CONVERSION MOUNTING. E. is finishing this off, and judging from your yellow car it should be good. It appears that we can… | ||
| Scan203 | Frame distortion tests measuring the effect of engine mounting types on torsional frame stiffness and front end jellying. | ||
| View original record | To R. from Ag/Lid. c. to Sg. Mor. c. to E. Da. c. to Sy. 7005 Hs/Lid.1/AT. 29.5.31. X.8380. X.7380. X.457. X.7005. X.8005. FRAME DISTORTION TESTS P.II. E.A.C.VII. AND P.I. We have carried out a series… | ||
| Scan204 | Report comparing test results for 'jellying' and damping on various car models with different engine mountings. | ||
| View original record | (2) The next test was carried out on a P.I. car with solid rear feet and sheet aluminium dashboard Fig.VI. The obvious difference is the increase of damping over P.II. in its stiffest condition which… | ||
| Scan205 | Series of five graphs comparing frame deflection tests under different vehicle configurations. | ||
| View original record | Graph 1: 20 Ex. FRAME DEFLECTION TESTS LEGEND: STANDARD REAR ENGINE FEET OUT STANDARD No BODY FIG I TORQUE LBS/FT FRAME DEFLECTION ANGLE Graph 2: 20 Ex. FRAME DEFLECTION TESTS EFFECT OF EXTRA FRONT… | ||
| Scan206 | Unreadable document page stamped by the Print Room in Derby. | ||
| View original record | The main body of the text is illegible. The following text is from a purple stamp in the bottom right corner: ROLLS-ROYCE, LIMITED PRINT ROOM 29 MAY 31 DERBY. | ||
| Scan207 | Vehicle modifications and testing strategy for a P. 2. 10,000-mile trial. | ||
| View original record | 87005 HS. FROM Rt R1/M30.5.31. X.7770 X.7005 C. to SG. WOR. C. to E. DA. BY. P. 2. 10,000 MILES TRIAL. In reply to your HS9/MJ28531., I must again emphasise my impression that we should not go to the… | ||
| Scan208 | Page 2 of a memo discussing a torque reaction damper and brake design experiments. | ||
| View original record | (2) front feet the effect of the torque reaction damper. I am more particularly keen on this than I am on the balance weight experiment, although I think this could be carried out at the same time by… | ||
| Scan209 | Original drawing (LeC. 2911) for the P. 2. Diamond Engine mounting. | ||
| View original record | X7005 BY. FROM E. EL/M30.5.31. C. to SG. WOR. HS. P. 2. DIAMOND ENGINE MOUNTING. We send herewith the original of LeC. 2911., shewing the cross member and main suspension for the above, togther with… | ||
| Scan210 | Scheme for a starting handle shaft for the Diamond engine mounting. | ||
| View original record | X/1005 BY. FROM E. C. to SG. WOR. HS. E1/M.8.31. P. 2. DIAMOND ENGINE MOUNTING. We send you herewith LeC. 2914., shewing the scheme for the starting handle shaft to suit the above. E. | ||
| Scan211 | Experiments with engine mounting and torque arm configurations for the Phantom II. | ||
| View original record | To R. From Hs/Les. c. to Sg. Wor. c. to E. Da. c. to By. 07005 Ha/Les.3/WJ.2.6.31. X.7005. X.634. PHANTOM 2 ENGINE MOUNTING. Acting on your suggestion, we carried out experiments using the torque arm… | ||
| Scan212 | Urgent need to prove the principles of the Dismon Mounting for a 10,000-mile trial. | ||
| View original record | TO R. from Wor. TO Og. " Copy to Hs. WMS 87005 Wor12/T2.6.31. P.2 10,000 Miles Trial. I have had a chat with Hs., HY. and RHC. on the question of proving the principles of the Dismon Mounting at the… | ||
| Scan213 | Fitting of a new Diamond Engine Mounting suspension to Chassis 25-EX for testing. | ||
| View original record | To. Wcr. from RHC. C. Hs. C. IV 87005. RHC1/EE4.6.31. Re: Diamond Engine Mounting. We have fitted the new engine suspension shown on LeC's 2910/11, to Chassis 25-EX, which is now ready for test.… | ||
| Scan214 | Test report on a car's vibration, bonnet, frame, and steering issues, with proposed solutions involving dampers and engine mounting. | ||
| View original record | HS. FROM R. X7005 RL/M8.6.31. C. to SG. WOR. C. to BY. RHC. P. 2. - 2nd. L. H. CONVERSION SCHEME. X.7770. X.7005. This car, as sent to WW. on Sat, the 7th. June is satisfactory for booms and other… | ||
| Scan215 | Phantom II W.W. conversion scheme, a 10,000 mile test, and issues with a diamond mounting causing 'excessive jellying'. | ||
| View original record | HS Y7005. To Hs. from Sg. re P.II. W.W. Copy to Wor. PN. Conversion Scheme Sg6/B.6.31 [STAMP: RECEIVED] Thanks for Hs.3/MJ.6.6.31. I am pleased to note that RRC was able to fit up a car quickly… | ||
| Scan216 | Phantom II conversion scheme, detailing different engine mounting configurations and plans for road testing in France. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to PN. 87005. Hs.6/MJ.9.6.31. X.7770. X.7005. PHANTOM II CONVERSION SCHEME. BY. has promised to complete his detail drawings for this scheme on Wednesday. If we are going… | ||
| Scan217 | Test report for a 25-EX car fitted with a modified engine suspension, evaluating retard boom, torque reaction, and frame stability. | ||
| View original record | Hs. from Mx. 87005. Mx10/T9.6.31. 25-EX - Test of Car fitted with Modified Engine Suspension. The car is very good for retard boom in the neighbourhood of 50 m.p.h. in fact it would be difficult to… | ||
| Scan218 | Tests to ascertain and eliminate bonnet movement on the Phantom II model. | ||
| View original record | To R. From Hs/Lea. c. to Mc. Wor. c. to E. Da. c. to Hy. 87005. Hs/Lea.3/KT.18.6.31. 87260. P.II. BONNET MOVEMENT. We have carried out tests to ascertain the movement of the bonnet when driving over… | ||
| Scan219 | Diagram showing bonnet movement measurements in thousandths of an inch under chassis twist conditions for various engine mounting configurations. | ||
| View original record | BONNET MOVEMENT IN .001 INS NEW SIDE FRONT & OFF SIDE REAR ROAD WHEELS RAISED 3" FROM THE GROUND FIG. I P II 4 ENGINE FEET SOLID RAD. DASH BONNET RADIATOR O.S. | N.S -2 | +8 -15 | +12 +2 | 0 +10 | -12… | ||
| Scan220 | Issue of blueprints for Phantom II Frames and Fittings, specifically plates for the rear engine foot. | ||
| View original record | c. Hs/Les. 87005 RECEIVED 1 JUN 31 BY/HEB3/M.18.6.31. PHANTOM II. BOOKS. FRAMES AND FITTINGS - SEC: 7000. Further to our memo' BY/HEB3/M.9.4.31. in which we issued Rubber Damped Steady for the… | ||
| Scan221 | The function and fitting of rear feet for a Diamond engine mounting. | ||
| View original record | X7005. By. from E. C. Sq. Wor. Hs. E1/M25.6.31. P.2. DIAMOND ENGINE MOUNTING REAR FEET. X.7005 We send you herewith LeC. 2923 showing the above. The rear feet are practically dummies until it is… | ||
| Scan222 | Urgently requesting a design for a side spare wheel carrier stay for cars with a diamond engine mounting. | ||
| View original record | 87005 To Da. From Hs/Lid. c. to Ev. c. to By. Hs/Lid.6/MJ.25.6.31. DIAMOND ENGINE MOUNTING. X.7005. X.7600. We have not yet received a design for the side spare wheel carrier stay to the dashboard for… | ||
| Scan223 | Requesting arrangements to test a new 40/50 engine mounting. | ||
| View original record | To RHC. From Hs/Rm. Hs/Rm.4/MJ.29.6.31. [handwritten signature] 7005 NEW ENGINE MOUNTING 40/50. As soon as the forgings etc. for this new engine mounting are available, we should like to test it on… | ||
| Scan224 | Test report on jellying, torque reaction, booms, and the effect on steering by different loads on the front torque reaction dampers. | ||
| View original record | COPY. Y7005. To R. from HB/GWH. c. Sg. c. Wor. E. c. Da. Ry. Hotel de France, Y634. Chateauroux, France. 4.7.31. 25-EX. TESTS FOR JELLYING, TORQUE REACTION, BOOMS AND THE EFFECT ON STEERING BY… | ||
| Scan225 | Test report detailing the effects of torque reaction dampers on vehicle performance, vibrations, and comfort. | ||
| View original record | contd. -2- 2nd. Test. Conditions. Torque reaction dampers had all friction removed. Torque reaction and its effect on front wings. This came on at 8 MPH, maximum at 10 MPH, finished at 11 MPH. The… | ||
| Scan226 | Test report detailing vehicle booms, wing vibrations, and steering performance under various conditions. | ||
| View original record | contd. -3- Booms. In Front Seats. These were slightly more pronounced, 25% than 2nd test. They started at 10 MPH. was most pronounced at 25 and faded out at 40. On the retard there was a general… | ||
| Scan227 | Results of the 5th test on torque reaction dampers, booms, steering and wing jellyfying. | ||
| View original record | contd. -4- 5th Test. Conditions. Torque reaction dampers set to have a friction load of 22 lbs at a leverage of 5.25 inches. Torque reaction. The torque reaction caused 25% more movement of the wings.… | ||
| Scan228 | Provision of stiffer washers for friction dampers on a P.2. conversion mounting. | ||
| View original record | X7005. By. from E. c. Sg. Wor..Hs. E1/M20.7.31. P.2. CONVERSION MOUNTING. X.7005 X.700 We send herewith LeC.2928 showing some stiffer washers for the friction dampers on the above. We do not think it… | ||
| Scan229 | Modifications to an engine's conversion mounting for improved rigidity and testing. | ||
| View original record | BY. FROM E. XN005 E2/M24.7.31. C. to SG. WOR. HS. P. 2. CONVERSION MOUNTING. We send herewith LeC. 2931. shewing some modifications to the above, to provide a better fixing for the friction damper,… | ||
| Scan230 | Note on the replacement of a torque reaction damper spring for Phantom II conversion mountings. | ||
| View original record | X7005. X9500. By. from Hs/Les. c. RHC. Hs/Lesl/ADLC.8.31. P.II CONVERSION MOUNTING. On future cars fitted with LeC.2911 on LeC.2931, the torque reaction damper spring E.53020 should be replaced by… | ||
| Scan231 | Modification to the lower water pipe to improve drainage and prevent ice from damaging the water pump. | ||
| View original record | BY. FROM E+ C. to SG. WOR. HS. X7005 E2/111. 8.31. P.2. CONVERSION MOUNTING LOWER WATER PIPE. X.7005 X.7180 We send you herewith LeC.2933 shewing a modification to the shape of the lower water pipe to… | ||
| Scan232 | Designing damper discs with 30% larger area for a P.2 conversion mounting to address a knocking issue. | ||
| View original record | BY. FROM E. X7005 C. to SG. WOR. HS. E1/M13.8.31. P.2. CONVERSION MOUNTING - LARGER DAMPER DISCS. Please find herewith LeC. 2934. shewing some damper discs of 30% larger area. We have designed these… | ||
| Scan233 | Issues with new plates and old fabrics in reaction dampers, suggesting design improvements. | ||
| View original record | HS. ) FROM R. BY. ) XN005 R2/113.8.31, C. to SG. WOR. DA. P.2. IN FRANCE (CONVERSION SCHEME) REACTION DAMPERS. NEW PLATES AND OLD FABRICS:- Why should new plates cause knocks of the old ones did not;… | ||
| Scan234 | Letter discussing the removal of rear engine feet on a 40/50 HP car, the resulting improvements, and subsequent safety concerns. | ||
| View original record | RECEIVED 1931 SEP 6 Y 7005. To Hs. from Sg. Copy to R. Wor. DY re 40/50 HP. 58-GN. Sg11/E2.9.31 You will remember that the above car suffered very badly from the roar, noise and fuss. This was very… | ||
| Scan235 | Proposal to test bumper brackets for mounting spare wheels to address a flapping issue. | ||
| View original record | To RHC. From Hs/Les. Y 7005. Hs/Les.1/MJ.3.9.31. DIAMOND MOUNTING ON THE BUMPER. Our greatest trouble at present experienced on this chassis is the fact that the spare wheels flap. H.E.B. has just… | ||
| Scan236 | Strength of rear engine mounting bolts and recommending a conversion to the Diamond engine mounting system for the 40/50 HP car, 58-GN. | ||
| View original record | 7005 To Sg. From Hs. c. to R. Wor. c. to By. Hs.4/MJ.3.9.31. 40/50 HP. - 58-GN. Replying to Sg11/E2.9.31. The bolts you refer to for holding the rear/engine unit are amply strong. We have carried out… | ||
| Scan237 | Standardizing the 'diamond' engine mounting and its application on models 58-GN and 25-EX. | ||
| View original record | rJ005. Hs To Hs. from Sg. Copy to R. Wor. PN. BY. re 40/50 HP. 58-GN. Sg13/E8.9.31 I am in receipt of Hs.4/MJ.3.9.31. I note your remarks in regard to the adequacy of the two 5/8" bolts which hold the… | ||
| Scan238 | Design and testing of Diamond engine mountings for the 40/50 HP engine, chassis 58-GN. | ||
| View original record | 7005. Hs.5/MJ.9.9.31. To Sg. From Hs. c. to R. Wor. c. to PN. BY. Re. 40/50 HP. 58-GN. Replying to Sg13/8.9.31. The W.W. design of Diamond engine mounting provides for auxiliary feet at the rear which… | ||
| Scan239 | The conversion to P.2. Diamond Mounting. | ||
| View original record | X7006 SG. FROM E. E2/10.9.31. C. to R. WOR. C. to HS. PN. BY. re. P. 2. DIAMOND MOUNTING. Referring to your memo. SGL3/E8931., we should like to point out that when converting to diamond mounting the… | ||
| Scan240 | Diamond engine mounting design and scheduling of work on chassis 58-GN. | ||
| View original record | COPY. Y7005. To Hs. From Sg. c. to R. Wor. c. to PN. By. Re. 40/50 HP. 58-GN. Sg10/E10.9.31. X.7005. X.7960. Thanks for Hs.5/MJ.9.9.31. I am pleased to note that the WW. design of Diamond engine… | ||
| Scan241 | Test result memo detailing engine timing adjustments to reduce torque reaction vibrations. | ||
| View original record | Files. X7005 X7770 24-GX+ Original timing, degrees from standard - No.1 cyl. I.O. I.C. E.O. E.C. 1°L. O.K. 1°L. O.K. Made one tooth later approx. 7½° for the attention of Mr.Robotham. This is the… | ||
| Scan242 | Re-standardisation of the diamond mounting on the Phantom II and the resulting need for frame reinforcement. | ||
| View original record | [STAMP: XII I II III 25] D.A. Hs. X7005. BY.8/G.25.9.31. X7005, X7600. PHANTOM II - RE STANDARDISATION OF DIAMOND MOUNTING. ------------------------------ Now that we have received definite… | ||
| Scan243 | Instructions for modifications to the spare wheel carrier and diamond engine mounting. | ||
| View original record | Hs. RHC. BY/HEB. BY/RD. --------- X7005 BY/8/G.5.10.31. X.7660 X.(7005) X.5800 X.2005. SPARE WHEEL CARRIER. DIAMOND ENGINE MOUNTING. --------- On the phone EV. made the following remarks as the result… | ||
| Scan244 | Technical memorandum regarding radiator mounting for a Phantom II with a Diamond Engine. | ||
| View original record | x7005 To By. from Hs/Les. Hs/Les.4/KT.22.10.31. x7=50 x7005 RADIATOR MOUNTING P.II. FOR USE WITH DIAMOND ENGINE MOUNTING. From the increased frame deflection with diamond mounting, we find it… | ||
| Scan245 | Specifications for the Diamond Mounting Phantom II torque reaction damper poundage. | ||
| View original record | G7005. To By. from Hs/Les. c. to BY/SS. Hs/Les.7/KT.7.11.31. DIAMOND MOUNTING P.II. TORQUE REACTION DAMPER POUNDAGE. The above should be set just to turn with a load of 25 lbs. at the end of the long… | ||
| Scan246 | Manufacturing tolerances and parts for the Phantom II radiator suspension with diamond engine mounting. | ||
| View original record | Copy 87005. By - from Sft. Hs. By/SS. Mr.Scott. Sft.4/B.7.11.31. X7250 X7005 PHANTOM II RADIATOR SUSPENSION WITH DIAMOND MOUNTING FOR ENGINE. BY/SS9/N.2.11.31., and Hs/Les.4/KT.22.10.31. With regard… | ||
| Scan247 | Plunger modification, frame deflection, and urging a meeting to resolve delays in chassis testing. | ||
| View original record | -2- Sft.4/B.7.11.31. cont'd. With regard to the modification of the plunger as mentioned in the last paragraph of Hs/Les.4/KT22.10.31. this point was raised by our Fitting Dept. last April and the… | ||
| Scan248 | The important points of the Diamond engine mounting system. | ||
| View original record | Mx. From Hs/Rm. 87005. Hs/Rm.13/MJ.13.11.31. A5005. DIAMOND ENGINE MOUNTING. The points of greatest importance on the Diamond engine mounting are the rear feet and and front torque reaction dampers.… | ||
| Scan249 | Design and issues of the Diamond engine mounting. | ||
| View original record | To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Y/7005 Hs.8/MJ.16.11.31. X.7005. X.5085. DIAMOND ENGINE MOUNTING. The design of Diamond engine mounting so far has been on the basis of a… | ||
| Scan250 | The use of diamond mounting on car bodies not built on sub-frames and the potential loss of frame stiffness. | ||
| View original record | X7005. X7005. X5005 X7380. X5380. S/W To Hs. from Sg. re Diamond Mounting. Sg12/E16.11.31 Referring to the above and the question of not using sub frames on 40/50's, would you please let me know what… | ||
| Scan251 | Procedure and difficulties of removing the wheelcase with different engine damper schemes. | ||
| View original record | To E. from Hs/Les. c.c. Ev. c. Wox. K805. Hs/Les. 2/AM 7.11.31. YS005 TO REMOVE THE WHEELCASE WITH DIAMOND MOUNTING P.2. As it is often necessary to remove the wheel case the operation should be made… | ||
| Scan252 | Modifications for the Phantom II Diamond Engine Mounting. | ||
| View original record | LES E. c. Hs. o. Wor. x7005. BY/Cgh.2/G.20.11.31. PHANTOM II - DIAMOND ENGINE MOUNTING. With reference to the difficulties pointed out in Hs/Les.2/AD.7.11.31. the matter has been carefully considered… | ||
| Scan253 | Modifications to the conversion mounting due to issues with the increased size of torque dampers. | ||
| View original record | HS. FROM R. C. to SG. WOR. C. to BY. DA. X7005 R6/M28.11.31. Sent off 30.11.31. X7005 P. 2. CONVERSION MOUNTING. Owing to the increased size of the torque dampers certain inconveniences have been… | ||
| Scan254 | Potential issues with chassis having diamond mounted engines and bodies without sub-frames. | ||
| View original record | RECEIVED x7005. x7380. S/W To Hs. from Sg. re Diamond Mounting. Sg22/E30.11.31 I do not appear to have received any reply to Sg12/E16.11.31. The point I am rather concerned about is whether we are… | ||
| Scan255 | Technical note on a Diamond Mounting solution for dampers, avoiding additions to existing forgings. | ||
| View original record | X7005. BY. FROM E. EL/M30. 11. 31. K7005 C. to SG. WOR. MS. P. 2. DIAMOND MOUNTING. Referring to RR. Sch.138. We fear to decrease further the flexibility on which the dampers rely to maintain their… | ||
| Scan256 | Diamond engine mounting, comparing Phantom I and Phantom II frame stiffness and discussing the use of subframes. | ||
| View original record | 87005. To Sg. From Hs. Hs.3/MJ.1.12.31. x7380. DIAMOND ENGINE MOUNTING. Replying to Sg.12/El6.11.31. On the last batch of Phantom l cars which had rubber engine feet at the rear, the stiffness of the… | ||
| Scan257 | Standardisation of a diamond engine mounting to overcome complaints of booms in the body. | ||
| View original record | RR 755 (10M) (B459, 24-10-30) 6/3185. X7A05. COMPLETED 2.12.31. STANDARDISATION of CHASSIS PARTS. Date 22.9.31. X No. 7005 Drawing Lec. No. 2911 Description of Parts. DIAMOND ENGINE MOUNTING Origin.… | ||
| Scan258 | Standardisation of a chassis part, including costs and implementation details. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS Proposed by: A.D.O. Date: 23.11.28 The number of the first chassis on which the new part will be fitted.... 51st. in W.2. Date when chassis will be handed to test....… | ||
| Scan259 | Production issues with the 40/50 HP Phantom Chassis Diamond Mounting. | ||
| View original record | [Handwritten:] 87005. ~~Offr. from Wor.~~ ~~Copy to Mr. Hs.~~ Wors/T7.12.31. ------------------- Referring to your SFT5/B17.11.31 re 40/50 HP Phantom Chassis, L.H. and R.H. Diamond Mounting. I should… | ||
| Scan260 | Fitting new parts to address issues with the diamond mounting on a 40/50 HP chassis. | ||
| View original record | Wor - from Sft. c. to Hs. X7005 Sft.7/B.8.12.31. re: L.H. and R.H. 40/50 HP Chassis. Diamond Mounting. -------------------------- We have fitted the first of the new parts to 286-AJS (Wessel) a… | ||
| Scan261 | Clearance and fit for the rubbers on the Phantom II rear engine feet. | ||
| View original record | X7005. To By. from Hs/Les. c. to Wor. E. Hs/Les.1/KT.23.12.31. P.II. REAR ENGINE FEET. LoC.2923. The clearance between the rubbers and the alum casting is .100" to .125". We find no disadvantage on… | ||
| Scan262 | Issue with brake ropes fouling a cross member on diamond engine mounted cars. | ||
| View original record | Da. from Hs/Rm. X7005 Hs/Rm.1/AD30.12.31. There is a difficulty which has arisen on diamond engine mounted cars. The brake ropes foul the big cross member in the normal running position and… | ||
| Scan263 | Fouling issue with the 25 HP brake ropes and cross member. | ||
| View original record | 25 HP. brake ropes foul cross member appreciably in the normal riding position and start pulling the brakes on in the maximum bump position. Countershaft A has been raised to avoid fouling the… | ||
| Scan264 | Standardisation of chassis parts, specifically Torque Reaction Dampers. | ||
| View original record | RR 785 (10H) (S459, 24-10-30) 6/3185. COMPLETED 30.12.31. STANDARDISATION of CHASSIS PARTS. Date 22.9.31. Description of Parts. TORQUE REACTION DAMPERS. Origin. In conjunction with the diamond… | ||
| Scan265 | Logistics and costs for fitting a new part to a chassis. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted.... 51st. in N.2. Date when chassis will be handed to test.... ---- Cost of scrapped material, if… | ||
| Scan266 | Standardisation of the bottom water pipe from radiator to pump for a diamond mounted engine. | ||
| View original record | RR 755 (10M) (B459. 24-10-30) G/3185. X7005 COMPLETED 30.12.31. STANDARDISATION of CHASSIS PARTS. Date 21.9.31. Description of Parts. BOTTOM WATER PIPE FROM RADIATOR TO PUMP. Origin. Scheme brought in… | ||
| Scan267 | Standardisation of chassis parts, including fitting, testing and cost information. | ||
| View original record | STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted........ 51st in N.2. Date when chassis will be handed to test. ------ Cost of scrapped material,… | ||
| Scan268 | Immovable torque reaction damper from a 40/50HP Chassis and comparing the issue to one found in Silver Ghost clutches. | ||
| View original record | X7005. HS/Rm. from MX. Mx11/T8.1.32. TORQUE REACTION DAMPERS. I am sending you each herewith some parts of a damper we have taken from a 40/50HP Chassis. We had occasion to move this from a chassis… | ||
| Scan269 | The testing of special friction discs for Phantom Torque Reaction Dampers. | ||
| View original record | 87005. To Es. from Mx. MxS/T23.2.32. FEB 24 PHANTOM TORQUE REACTION DAMPERS. We have tested some of the special friction discs which you handed to us. One set we have put through the full routine of… | ||
| Scan270 | Grease contamination of the rubbers used in the Phantom II radiator control. | ||
| View original record | Mx. From Hs/Les. c. to By. c. to Wor. X7005 Hs/Les.1/MA.25. 2. 32. X7250 P.II RADIATOR CONTROL. We find that the rubbers in the radiator control cups of the centre radiator mounted cars, become… | ||
| Scan271 | Increasing the poundage on friction engine dampers for the P.2 Diamond Engine Mounting. | ||
| View original record | To BY. From Hs/Les. 17005 Hs/Les.2/MA.8.3.32. P.2 DIAMOND ENGINE MOUNTING. We find that it is an advantage to increase the poundage on the friction engine dampers on some cars. The present spring… | ||
| Scan272 | Suggestion to increase the poundage on friction engine dampers for the P.2 Diamond Engine Mounting using alternative springs. | ||
| View original record | X7005. By. From Hs/Les. Hs/Les.2/MA. 8. 3. 32. P.2 DIAMOND ENGINE MOUNTING. We find that it is an advantage to increase the poundage on the friction engine dampers on some cars. The present spring… | ||
| Scan273 | Analysis of bodywork cracking on a continental touring saloon, discussing the effects of diamond engine mounting on chassis rigidity. | ||
| View original record | X7005 E. FROM DA/EV. DA/EV7/M16.3.32. C. to HS. CX. P. 2. CHASSIS, and DIAMOND ENGINE MOUNTING. X.5830 X.7830 X.7005 Messrs. Barker & Co. say that the introduction of diamond engine mounting has so… | ||
| Scan274 | Chassis distortion and the torsional flexibility effects of using diamond engine mounting. | ||
| View original record | (2) We were unable to ascertain whether the scuttle isolation bolts had been abnormally tightened this would accentuate the distortion of the screen and scuttle. We feel that it would be a wise policy… | ||
| Scan275 | Internal memorandum requesting an order for 12 diabolo rubbers for P.2 front engine feet. | ||
| View original record | X7005. Roy/Ms. From Hs/Les. Hs/Les.4/MA.1. 4. 32. Will you please order 12 diabolo rubbers for P.2 front engine feet to the dimensions of F.83826 that will deflect .150" for 500 lbs load. Exactly… | ||
| Scan276 | Modifications to the engine mounting for the 39th series chassis onwards, including changes to rubbers and pads. | ||
| View original record | X7005. E. From He/Les. c. to By. c. to Wor. c. to Sft. Hs/Les.1/WA.11.4.32. P.2. ENGINE MOUNTING FOR 39TH. CHASSIS IN N.2. SERIES ONWARDS. Owing to the pedals now being no longer supported on the… | ||
| Scan277 | Procedural note on engine mounting, detailing adjustments for frame deflection using packing washers and feelers. | ||
| View original record | -2- HS/Les.1/MA.11.4.32.cont'd. We agree to this as the first part of the procedure, but owing to the frame deflection from the weight of the engine, the slight difference between the jig and the… | ||
| Scan278 | Recommending that torque reaction damper fabrics be soaked in oil to prevent creaking and knocking. | ||
| View original record | To Mr. From Hs/Rn. To Hd. c. to Mr. E. c. to Ey. X7005. Hs/Rn.2/AD.3.5.32. TORQUE REACTION DAMPERS. Our last 10,000 mile car, and also the one now running in France emphasises the fact that it is… | ||
| Scan279 | Road tests conducted in France for chassis 60.JS, focusing on radiator and body movement. | ||
| View original record | X7005 To Hs/Rn. From G.W.H. Hotel de France, Chateauroux, FRANCE. 14.7.32. XU.57 XU.0.J.S EXPL. WORK CARRIED OUT IN FRANCE WITH RADIATOR MOUNTED ON ENGINE. CHASSIS 60.JS. We have carried out your… | ||
| Scan280 | Results of road tests observing component movement and stability. | ||
| View original record | -2- (1) Test on a fairly good tarmac road up to speeds of 70 m.p.h. (2) Torque reaction dampers set at 10 lbs. (3) Bonnet given normal clearance at either end. (4) Speed 30 - 35 m.p.h. Result. (1) The… | ||
| Scan281 | Test report detailing the results of vehicle stability tests (Test 3 and 4) under various damper settings. | ||
| View original record | -3- The result was that the front of the car was more evenly balanced up and the N.S. front wing practically as steady as the O.S. ---------- (Test 3). Conditions. Torque reaction dampers tightened up… | ||
| Scan282 | Results of rough road tests on vehicle components and handling. | ||
| View original record | (4) (1) The movement of the radiator sideways was 30% more rapid and devloped periods. (2) The bonnet definitely knocked to the same extent practically as with the first test. (3) Movement of the… | ||
| Scan283 | Test results concerning radiator movement, steering joggles, and torque reaction dampers, with observations on wing construction. | ||
| View original record | (5) The results of these tests are :- (1) Compared with 19-EX taken over same road, No.3 test gives 10% steadier radiator movement. No appreciable difference in steering joggles. Wing movement 10%… | ||
| Scan284 | Conclusions of a report on tests involving an engine-mounted radiator, discussing oscillation, damping, and steadiness. | ||
| View original record | CONCLUSIONS OF 60.JS REPORT. We have placed the value of the radiator mounted on the engine at 50%, from observations of tests carried out with 60.JS, after building this car up with standard radiator… | ||
| Scan285 | Standardisation of a spring for torque reaction dampers. | ||
| View original record | RR 788 (10M) (30405. 21-4-32) BM. 3/8382/4. COMPLETED. 14.10.32. X 7005. STANDARDISATION of CHASSIS PARTS. Date 12.8.32. Description of Parts. SPRING FOR TORQUE REACTION DAMPERS. X No. 7005. Drawing… | ||
| Scan286 | Form to document the introduction of a new part, including costs and chassis allocation. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS (Text is mirrored from reverse of page) The number of the first chassis on which the new part will be fitted................. When available Date when chassis will be… | ||
| Scan287 | Redesigned torque reaction damper for the Phantom II to fix a knocking noise. | ||
| View original record | [Handwritten Top Center]: 8700S/LES [Handwritten Top Right]: Db NOV 1932 [Handwritten Right Side]: By/les/EH.28.11.32. [Stamp Blue]: 15 SEPT 1932 [Stamp Purple]: RECEIVED 15 NOV 1932 To BY. from… | ||
| Scan288 | Design, materials, and functional requirements for torque reaction dampers. | ||
| View original record | E. } FROM R. HS. } BY. } x7005 R2/M6.11.32. C. to SG. WCR. RC. TORQUE REACTION DAMPERS. X5003 X4553 These seem of little use unless they can be really tightened up to give quite substantial amount of… | ||
| Scan289 | Scheme for preventing knocking noises in Phantom II torque reaction dampers. | ||
| View original record | X7008. To RHC. From Hs/Les. Hs/Les.2/MJ.7.12.32. PHANTOM II TORQUE REACTION DAMPERS LEC.3272. We think that the above scheme for preventing knocking noises from the torque reaction dampers should be… | ||
| Scan290 | Proposing to apply the Terraplane engine mounting to the Phantom and requesting a sketch for scaled-up engine rubbers. | ||
| View original record | To RHC. X7005 Hs/Rn.16/KW.4.5.34. We propose to apply the Terraplane engine mounting to the Phantom as soon as we have finished the Bentley and the 20/25. I want to put some engine rubbers on order… | ||
| Scan291 | Experimental schemes for a Phantom flexible engine mounting. | ||
| View original record | +7005 To-BY. from E/JNR. E/JNR.2/HP.25.5.34. c. Sg. Wks. Hs. By-RHO. URGENT. re Phantom Flexible Engine Mounting. We send you herewith:- LeC.3945 - Front engine mounting. LeC.3946 - Rear engibe… | ||
| Scan292 | Proposal to allot car 22-EX for the first set of parts for the Phantom II Terraplane Engine Mounting. | ||
| View original record | x7005 Hs/RM.14/KW.26.5.34. Phantom II Terraplane Engine Mounting. Lec.3945/3946. We propose to allot car 22-EX for the first set of these parts. Hs/Rm. | ||
| Scan293 | Conclusions from flexible engine mounting tests, discussing clutch performance and issues arising from increased smoothness. | ||
| View original record | X-7005 To Hs. from Hs/Ra, c. to Wor. c. to S. c. to By. c. to Ds. c. to Hdy. c. to LV. Hs/R.9/KM.11.6.34. FLEXIBLE ENGINE MOUNTING. We have now come to fixed conclusions on our flexible engine… | ||
| Scan294 | Confirming the transfer of rubber moulds to British Goodrich for Ph.II engine mounting. | ||
| View original record | Roy/Ms. c. to G/Mt. c. to D/EF. c. to RHC. X7005 Hs/Les.4/KW.18.6.34. Will you please note that we have handed over to British Goodrich at Burton the following rubber moulds made by us :- EX.14631… | ||
| Scan295 | The Phantom Flexible Engine Mounting, sending drawing LeC.4042 for experimental testing. | ||
| View original record | X7005 R WYMAN, File To BY. from E/JNR. E/JNR.1/HP.20.7.34. c. Hs. RMC. re Phantom Flexible Engine Mounting. We send you herewith:- LeC.4042 showing the exhaust system to be used in conjunction with… | ||
| Scan296 | Suggested covers for rubber engine mountings on the 20/25 & Phantom models. | ||
| View original record | To E. X7005 Hs/Rm.13/KW. 25.7.34. Rubber Engine Mounting - 20/25 & Phantom. We understand that Sg. suggested covers for the rubbers to keep oil etc. off them. On 20-G-IV which he is having for his… | ||
| Scan297 | Urgent memo regarding new drawings for the Phantom II's flexible engine mounting water connections. | ||
| View original record | X7005 URGENT. To BY. from E/JNR. c.c. THE. Hs/Hm. E/JNR.1/HP.31.7.34. re Phantom II Flexible Engine Mounting. -------------------------------- We send you herewith:- LeC.4061 - Top Water Connection.… | ||
| Scan298 | Rubber engine mountings for the Phantom II, listing part numbers and their equivalents. | ||
| View original record | 47005 28th August, 1934. RUBBER ENGINE MOUNTINGS - PHANTOM II. Top Front Rubber F.86436 similar to EX.14633. Bottom " F.86411 " " EX.14634. Rear Torque Rubber F.86574 " " EX.14646. Rear Top Rubber… | ||
| Scan299 | Modification to the Phantom Front Engine Rubbers. | ||
| View original record | x7005 WYMAN To BY. From E/JNR. c.c. RHC. Hs/LES. E/JNR.1/HP.30.8.34. re Phantom Front Engine Rubbers. We send you herewith:- LeC.4087 showing a modification to the fixing of the front engine rubbers… | ||
| Scan300 | Requesting the preparation of necessary parts for the Phantom II front engine rubbers scheme for car 28-EX. | ||
| View original record | X 7005 To RHC. Hs/Wym.1/KW.11.9.34. Phantom II Front Engine Rubbers. Re memo. E/JNR.1/HP.30.8.34, will you please prepare the necessary parts to Lec.4087, so that the scheme can be fitted to 28-EX, as… | ||
| Scan301 | Modifications required for the 40/50 rubber engine mounting. | ||
| View original record | +7005 To By. c. to Da. c. to Roy/Ms. Hs/Les.27/KW.20.9.34. 40/50 Rubber Engine Mounting. We understand that parts are being ordered for the rear mounting for the above. There are certain drawings… | ||
| Scan302 | Request for a modification scheme for a rubber engine mounting on a 40/50 HP chassis. | ||
| View original record | x7005 De, c. Hs. c. Boys Rru BY/Cgh. 5/G. 22.9.34. 40/50 HP. CHASSIS - RUBBER MOUNTING FOR ENGINE. ------------------------- We understand that you intend to let us have a scheme to cover the… | ||
| Scan303 | Phantom II engine mounting, comparing its behavior to the 20/25 model regarding torque reaction. | ||
| View original record | X7005 To E. c. to By. Hs/Rm.9/KW.27.9.34. Phantom II Engine Mounting. G.W.H. Herewith is a report we have received from We have been trying to parallel his tests here, there is no doubt that the… | ||
| Scan304 | Results of flexible engine mounting tests and proposing a new trial on the 20/25 model. | ||
| View original record | To Hs/Wym: Y7005 Hs/Rm.8/KW.27.9.34: Flexible Engine Mounting. Hancock has been confirming the results he obtained on the flexible engine mounting on 28-EX. Here is his final report. This appears to… | ||
| Scan305 | The results of verifying different front engine mounting configurations to address clutch jaggers and vibrations. | ||
| View original record | COPY. To Hs/Rm. From G.W.H. Hotel de France, Chateauroux, Indre, France. September 25th, 1934. 26-EX. We have been verifying the results obtained by the front engine mounting. First of all, we… | ||
| Scan306 | Tests to find out the twisting and movement of the rear axle. | ||
| View original record | We are also carrying out tests to find out the twisting and movement of the rear axle, due to braking and torque. These tests are being graphed out and the actual movement taken. The results will be… | ||
| Scan307 | Tests verifying the results of different front engine mounting configurations. | ||
| View original record | To Hs. from Hs/GWH. c. to E. spec x7005 28-EX. We have been verifying the results obtained by the front engine mounting. We reverted back to the front flexible mounting and brought into prominence all… | ||
| Scan308 | Tests on torque reaction dampers, engine feet, and rubbers to improve engine smoothness and stability. | ||
| View original record | -2- Hs/GWH.20/KW.15.10.34. The torque reaction dampers were then fitted, set with a friction load of 35 lbs. (this having been found to give the best results.) The result was, no clutch jaggers could… | ||
| Scan309 | Specifications for high-rating springs to be used in an experiment to turn the engine into a harmonic damper. | ||
| View original record | L7005 To RHC. Hs/Gry.3/KW.26.10.34. Engine Mounting - 27-EX. We wish to try and damp the road shocks on this car by using the engine as a harmonic damper. This means replacing the engine foot rubbers… | ||
| Scan310 | Specification for the compression of Phantom II front engine rubbers. | ||
| View original record | x7005 To By: Hs/Les.8/KW.28.12.34. Ph.II Front Engine Rubbers. In order to give the required flexibility for the engine the top rubber F.86436 should have .075" compression and the bottom rubber… | ||
| Scan311 | Standardisation of parts for the flexible mounting of the engine at the rear. | ||
| View original record | RR 785 (BH) (57312, 29-12-33) BM 3/646/2 COMPLETED 30.1.35. 40/50 STANDARDISATION of PARTS. Date: 12.1.35 X No. 7005. Drawing L/C No. 4067 Part List: 3946, 4118, 4061, 4063, 4087 Description of Parts:… | ||
| Scan312 | Cost estimate for extra tooling and production details for the T.2 series chassis. | ||
| View original record | STANDARDISATION OF PARTS Est. cost of extra jigs, tools and equipment (Sft/Ws.7.12.34) - £235.0.0. Could be brought on to production at 51st chassis in "T.2" series, (Sft/GH.7.12.34) without scrap.… | ||
| Scan313 | Investigation into a complaint about torque reaction bolts coming adrift on Chassis No.103-TA, causing water loss. | ||
| View original record | [Handwritten] [Top Left, redacted] c. Hs [redacted] [redacted] [Top Center] Rm x722 [Bottom Center] gd [Typed] EP7/MH.25.6.35 re Chassis No.103-TA - Loss of Water due to Torque Reaction Bolts coming… | ||
| Scan314 | Water leak from the radiator drain tap on chassis 103-TA, caused by a loose engine support damper bolt. | ||
| View original record | COPY Rolls-Royce Ltd. Derby ........EP Showrooms Sr/EWP30/MLG.18.6.35 re Chassis 103-TA Kindly note that when driving this car from Calais to Le Mans, I noticed on arrival at Le Mans that water was… | ||