Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 15\4\        Box Selection

IdentifierEntry
Scan001 Revised dashboard design, changing from a sheet metal construction to a casting for 'B' steering.
View original record To BY. from DA. c. to CJ. Hs. X73240 DA2/M8.1.26. EAC.8. DASHBOARD - 'B' STEERING. X.7340 X.7500 You will remember that we cancelled the previous stepped dashboards which involved shortening the…

Scan002 Use of a Mechanic's joint from the USA for the EAC.7 propeller shaft.
View original record To BY. from AJS. c. to R. CJ. hs. X7340 AJS1/M3. 2. 26. EAC.7. PROPELLER SHAFT. X.7340 X.4138 Referring to item (f) in the last weekly report, concerning the above, it was our intention that the large…

Scan003 Instructions regarding modifications to the gearbox and starter on engine, including electrical system changes.
View original record To R. from AJS. c. to CJ. BJ. RG. c. to DA. BY. Hs. X7340 AJS1/M1.3.26. EAC.V11. X.7770 X.7310 X.7340 X.7650 Referring to the last para. of R2/M27.2.26. in connection with EAC.7. we have issued…

Scan004 Progress report on detachable dash connections, lighter clutch, propeller shaft joints, and gearbox design.
View original record contd :- -2- favour this because we understand that a detachable connection must [struck through text] be made somewhere on dash to allow body building facilities and would rather have them…

Scan005 Failure of a locking device on the 12-EX Phantom engine coupling and a recommended solution.
View original record To BY. from Hs. 47305 Hs2/LG4.3.27. 12-EX - PHANTOM ENGINE COUPLING. The failure of the locking device fitted to the nuts is the same design as previously complained of. We have since had a new scheme…

Scan006 Design and application of a universal joint for project EAC.10.
View original record X7340 To BY. from DA. c. to BJ. Hs. DA4/ML1.1.28. X.9340 X.7340 X.4183 EAC.10 UNIVERSAL JOINT. We send herewith N.sch. 2416 shewing the proposed 5" universal joint for use on EAC.10 It is intended to…

Scan007 Technical memorandum discussing the design and material choices for a propeller shaft universal joint.
View original record DA. BY. from R. HS. c. to BJ. Wor. E. Y7340 R1/M25.1.28. EAC.10 PROPELLER SHAFT. X.7340 UNIVERSAL JOINTS. X.4183 MECHANIC'S TYPE. My impression is that 5" is too small: we are running with one nearly…

Scan008 New 6-inch universal joint and propeller shaft, awaiting further comments before detailing.
View original record BY. from DA. c. to BJ. Hs. X.7340 DAL/M15.2.28. EAC.10 UNIVERSAL JOINT AND PROPELLER SHAFT. Herewith we send N.sch.2547 shewing the 6" universal joint recently instructed by R., instead of the…

Scan009 Alternative design proposal for a 6' Universal Joint.
View original record X. 7340 BY. from DA. c. to BJ. Hs. DAL/M18.2.28. EAC.10 6" UNIVERSAL JOINT. Herewith we send N.sch.2550 an alternative to N.sch.2547 sent you a few days ago, shewing a proposal for turning the rings…

Scan010 Design memo discussing preferences for the 'SS' propeller shaft.
View original record X. 7340 DA. from R. R8/M5.3.28. c. to BJ. BY. Hs. 'SS' PROPELLER SHAFT. N.sch.2547 I prefer the pins going right across for fixing the tubular shaft to its ends. Avoid oil pumping by passages or holes…

Scan011 Design options for an 'SS' propeller shaft.
View original record X. 7340 R6/M5.3.28. DA. Hs. from R. c. to BJ. Wor. BY. RE. 'SS' PROPELLER SHAFT. N.schs. 2546 and 2550 seem OK. I agree that fig.2. on N.sch.2547 should be tried first - i.e. split, but must have…

Scan012 Design options and drawings for the 'SS' propeller shaft.
View original record X.7340 BY. from DA. c. to BJ. Hs. DAL/M10.3.28. I 'SS' PROPELLER SHAFT. Herewith we send N.sch. 2563 shewing the anti-pumping holes which R. asks for in R8/M5.3.28., for the sliding joint on the prop.…

Scan013 Modification to the centralised chassis lubrication system for the universal joint and torque sphere.
View original record BY. from DA. C. to BJ. Hs. X7340 DAL/M17.5.28. CENTRALISED CHASSIS LUBRICATION. X.7340 X.3806 X.8340 Herewith we send N.Sch.2603 - modification to the lubrication of the universal joint and torque…

Scan014 Suggestion to improve crankshaft lubrication for a lightened clutch and universal joint by using a stainless steel plug or cadmium plating.
View original record Hs. from DA. X7340 BA7/MMO.10.28. LIGHTENED CLUTCH & FLYWHEEL - SERRATED X.7300 UNIVERSAL JOINT. No.5. X.1360 X.7340 With reference to Hs/Rm5/LG2.10.28., we suggest that a thing which might be…

Scan015 Stainless steel plug and concerns over the lubrication system for a clutch joint.
View original record Y7340 X1457 To DA. from Hs/Rm. Hs/Rm5/LG17.10.28. With reference to DA7/M10.10.28. We will try the stainless steel plug. We are however not very enamoured with the lubrication system for the joint of…

Scan016 Fitting of a stainless steel plug to a lightened clutch and flywheel for vehicle 12-EX.
View original record To BY. from Hs/Rn. X7300 Hs/Rn4/LG17.10.28. LIGHTENED CLUTCH & FLYWHEEL. X7300 With reference to DA7/M10.10.28 attached. If you could instruct a stainless steel plug as suggested in this memo. we will…

Scan017 Oil leak from the steel sphere on 40/50 models and a recommended diagnostic test.
View original record Br. from Hs. c. to Hm. X7340 Hs1/LG28.11.28. EXCESSIVE WEAR ON 40/50 SPHERES. 48340 The only way we can account for the fact that we on our tests have proved that the joint will hold oil, and…

Scan018 The oil retention requirements and production testing for 'SS' model propeller shaft joints.
View original record 47340 To BY. from Hs. c. to Wor. Hs9/LG6.12.28. PROPELLER SHAFT JOINTS - 'SS'. X 7340 It will be essential that the propeller shaft joints on the SS. are made absolutely oil retaining. The rest of the…

Scan019 Flexible coupling on the SS chassis due to increased engine power.
View original record X.7305 Hs. E. DA. BY. c. to Sg. Wor. c. to PN. CWB. R1/M27.1.29. SS. CHASSIS - FLEXIBLE COUPLING. The increased power of the engine makes it more severe on this coupling, but there ought to be a…

Scan020 Replacement of fabric couplings with serrated ones to improve design and save weight.
View original record Hs. DA. BY. from R. c. to SG. Wor. X.7305 R3/M12.2.29. SS. - SERRATED INSTEAD OF FABRIC COUPLING. N.sch.2812. Fabric couplings are not really RR. fittings because of their limited life. We must avoid…

Scan021 Flexibility of trunnion bearings for SS Universal Joints compared to other models.
View original record X. 7340 Hs. from DA. DA1/M12.2.29. c. to Wor. BY. E. SS. UNIVERSAL JOINTS. With reference to Hs3/LG8.2.29., we notice that the trunnion bearings as indicated on your sketch at the end of the note are…

Scan022 Proposed modification to a serrated universal joint and SS. clutch shaft, focusing on lubrication.
View original record BY. Hs. from DA. DA3/M19.2.29. c. to SG. +7340 SERRATED UNIVERSAL JOINT. X.7300 SS. CLUTCH SHAFT. X.7340 X.1457 Herewith we send N.sch.2832 on the righthand side of which we have shewn R's proposal…

Scan023 Telegram reporting that experimental universal joints are leaking badly during a rig test.
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. THE INFORMATION OVERLEAF WILL INTEREST…

Scan024 Arranging for the immediate testing of a propeller shaft from the 23-EX car on a testing rig.
View original record X7340 To RHC. from Hs/Rn. Hs/Rn10/LG26. 3. 29. We have arranged to get the propeller shaft testing rig into the Expl. immediately. Will you please arrange to take the propeller shaft off 23-EX car and…

Scan025 Testing of propeller shaft joints to prevent oil leakage, comparing washer materials and noting the need for a jointing solution.
View original record To BY. from Hs/Rm. c. to DA. Wor. 17340 Hs/Rm2/LG12.4.29. PROPELLER SHAFT JOINTS. X7240 74549 We have been testing the oil holding properties of these joints on a rig. So far all the S.S. cars we have…

Scan026 Recommendation to add an oil groove to propeller shaft bearing trunnions to improve wear.
View original record To BY. from Hs/Rm. X7340 Hs/Rm3/LG14.5.29. LUBRICATION OF PROPELLER SHAFT BEARING TRUNNION. When Day was up here on the fracturing of the rear axle casing we shewed him the wear on the propeller shaft…

Scan027 Blueprint detailing modifications to a trunnion block, including an enlarged view of a hole edge.
View original record EX3818, .225 DIA BEFORE CLOSING, 90°, C40R, ENLARGED VIEW SHOWING EDGE OF HOLE, 2 HOLES .125 DIA, 0.18 R, ALL OTHER DIMNS ETC TO G77346, OIL GROOVE .100 WIDE X .010 Dp, MODS TO G77346 TRUNNION BLOCK

Scan028 Modifications to universal joint filler plugs and washers to prevent oil leaks.
View original record To BY. from Hs/Rm. x7340 Hs/Rm2/LG17.4.29. S.S. UNIVERSAL JOINTS. x4549 We now find that with careful bedding and a liberal use of heldtite these universal joints can be made oil-tight. The point…

Scan029 Request to test the propeller shaft for the 21-EX car for oil retention before being fitted.
View original record X7340 To RHC. from Hs/Rm. Hs/RmL/LG19.4.29. 21-EX CAR. X4549 We wish to have the propeller shaft for the 21-EX erected with Heldtite in the same way as the shafts we have been testing and we should…

Scan030 Tests and solutions for oil leakage in propeller shaft universal joints.
View original record To R. from Hs/Rn. x7340 Hs/RnS/LG24. 4. 29. c. to SG. Wor. c. to E. Da. c. to BY. x4549 PROPELLER SHAFT UNIVERSAL JOINTS. We have been carrying out a number of tests to overcome the trouble of oil…

Scan031 Continued memorandum on the lubrication of Mechanics Joints, with an attached blueprint detail.
View original record contd :- -2- oil at any speed. If the joint is rotated until the lubricator is vertically beneath it, and the small plug taken out to provide an air release at the upper extremity of the joint, the…

Scan032 Recommending reverting to a fabric coupling for '33' cars due to faults, and proceeding slowly with improvements to the S.S. exhaust system.
View original record To EY. from Hs. c. to Wor. X7305 Hs2/LGS.5.23. '33' CARS. X7230 X7770 It is most probable that we shall have to revert to the fabric coupling between the engine and gearbox on these cars. Certain…

Scan033 Confirming the decision to use a fabric engine coupling instead of an all-metal one for the S.S. Chassis.
View original record Sft. (crossed out) O.O. (crossed out) E.P. (crossed out) F. (crossed out) G. (crossed out) Hs. Wor/Hy. (crossed out) X7305 BY11/G.8.5.29. S.S. CHASSIS - ENGINE COUPLING. Since writing my memo…

Scan034 Urgent request to produce a SS. Fabric Coupling to test a method of securing plates on a test rig.
View original record X7305 To RHC. from Hs/Rn. Hs/Rm1/LG31.5.29. Will you please produce a SS. Fabric Coupling to G.77763 as soon as possible as we wish to prove out the method of securing the plates on our test rig. This…

Scan035 Letter from the American branch to the UK branch inquiring about the removal of the fabric engine coupling from S.S. layouts.
View original record ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. X7305 OY-1 June 12, 1929. Mr. E.W. Hives, Rolls Royce Ltd., Derby, England. CONFIDENTIAL Dear Mr. Hives: Engine Coupling - Section 6020 We notice that…

Scan036 Request to make 4 sets of 'SS' Fabric Couplings with shorter rivets based on an attached scheme.
View original record To RHC. from Hs/Rn. 47305 Hs/Rn2/LGl 8. 6. 29. 'SS' FABRIC COUPLING. Will you please make 4 sets off to the attached scheme for shorter rivets. Hs/Rn.

Scan037 Engine suspension rubbers, rear support vibrations, and a reversion to fabric engine couplings.
View original record To OY. from Hs/Rm. x7305 Hs/Rm2/LG21.6.29. ENGINE SUSPENSION. x7005 (crossed out) x7380 With reference to your note of the 2nd. June with reference to engine suspension. The 5th. point at the rear of…

Scan038 Improving the lifespan of fabric couplings by comparing riveting and 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…

Scan039 Answering seven questions about the characteristics 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 107 1/2 lbs. (2) We do not think…

Scan040 Continued document detailing numbered points on construction and mentioning an attached report on subframe difficulties.
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.…

Scan041 Proposed modifications to the subframes for two chassis types.
View original record BY. from DA/EV. c. to Hs. 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 both…

Scan042 Difficulties of fitting S.S. bodies to chassis and proposing a building rig for coachbuilders.
View original record DA/EV. from AJL. Hs/AJLL/LG22.4.29. c. to BY. Wor. 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 appreciate the…

Scan043 Supply of subframe brackets and chassis 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…

Scan044 Subframe and chassis interchangeability for S.S. bodies and guidance for coachbuilders.
View original record Ha/AJL. from DA/EV. c. to Wor. BY. RE. BODIES FOR S.S. We thank you for your Hs/AJL1/LG22.4.29. It is essential that any subframe shall fit any chassis. To make this possible we have provided ample…

Scan045 The challenges of coachbuilding for a new model, including issues with secrecy and experimental 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…

Scan046 Difficulties and solutions for mounting bodies on S.S. model subframes.
View original record To DA/EV. from Hs/AJL. c. to Wor. BY. 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 unsurmountable. We have had…

Scan047 Dyno and road testing of axles and propeller shafts for chassis 23-EX.
View original record XY 340. Mr. Rose, CHASSIS NO. 23-EX. Axles Nos. VK15, X135, X165 were run on Dyno during the night, also prop shaft period tests were taken as instructed. Nos. X & VK15 were run 20 mls. each, X165 35…

Scan048 Test data table for propeller shaft periods against buffer-axle clearances at various throttle settings.
View original record PROP' SHAFT PERIODS 40 to 50 M.P.H. TABLE COLUMNS: Column 1: BUFFER-AXLE CLEARANCES Column 2: 1/4 THROTTLE Column 3: 1/2 THROTTLE Column 4: FULL THROTTLE TABLE DATA: Row 1: 6 INCHS | OK | OK | OK Row…

Scan049 Notice regarding the use of a standard fabric engine coupling for the J.2 series chassis.
View original record BY/TWD. [struck through] Hs. [struck through] ROY [struck through] G.S.S. [struck through] X7305. RY/Cgh24/G.16.5.29. J.2 SERIES - ENGINE COUPLING. ------------------------------ Will you kindly note…

Scan050 Test results of different manufacturing schemes for fabric couplings to improve their lifespan.
View original record To R. from Hs/Rn. C. to Sg. Wor. C. to E. DA. C. to By. Gy. 47305 Hs/Rn2/J.4.7.29 Fabric Couplings. X7305 In view of the fact that the fabric coupling on the S.S. will not be as accessible or visible…

Scan051 Comparison of coupling life using spigoted bolts versus unspigoted bolts, noting application differences between Phantom and S.S. models.
View original record contd :- -2- of the fabric. We find that with these bolts spigoted as in sketch A, the life of a coupling is 50% greater than with unspigoted bolts. The reason for the existing scheme would appear to…

Scan052 Cross-sectional drawing of a bolted assembly.
View original record G76906

Scan053 Rectangular purple stamp from the Print Room.
View original record ROLLS-ROYCE, LIMITED PRINT ROOM, 5 JUL 1929 DEP

Scan054 Blueprint detailing different test designs for a fabric coupling.
View original record FABRIC COUPLING TESTS. ① G 73570 ③ EXPERIMENTAL SHOULDER RIVETS ② SCREWS TO G 77763 A. SHOULD BE SPIGOTED (AS A) 21. 7. 29

Scan055 Heavily faded document with an ink stamp in the bottom right corner.
View original record ROLLS-ROYCE, LIMITED PRINT ROOM, 10 JUL 1929 DERBY.

Scan056 Query on incorporating modifications for fabric couplings and an exhaust cut-out valve into the first batch of S.S. chassis.
View original record S/W. Wor. c. to Hs. X7305 Sg.1/WT15.7.29. X.7305 X.7490 X.7230 With reference to Hs/Rm2/J.4.7.29 Fabric Couplings, and Hs/AJL2/M6.7.29. S.S. Exhaust System, Cut-Out Valve. We feel that both the…

Scan057 Failure of fabric couplings on cars used for high-speed continental work.
View original record X7305 To Ps. Paris. From Hs/Rm. Hs/Rm. 2/MJ.11.9.29. FABRIC COUPLINGS. ----------------- We should like to know whether the fabric couplings are standing up on cars that are used for high speed…

Scan058 The failure modes of fabric couplings and the need for improvements.
View original record Sèvres P/W "Hs/Rm" X7305. Ps9/RJ.24/9/29. Re: Fabric couplings Hs/Rm2/MJ.II/9/29. In reply to the above, we have changed quite a few couplings because of their failure as outlined by you. On the…

Scan059 Extract concerning a propeller shaft fouling issue on the S.S. Chassis.
View original record EXTRACT FROM :- X7340. Hs. c. to By. MX5/OG8. 8. 29. Re. S.S. CHASSIS. 3. PROPELLER SHAFT. The propeller shaft fouls the cross member under combined bump and torque conditions. We note the By.…

Scan060 Query regarding the recommended maintenance interval for propeller shaft universal joints on 20HP and SS chassis.
View original record x7340. Hs Mx/McMl/T13.8.29. X5340 X7340 re Propeller Shafts Will you please let us know the rate at which the propeller shaft universal joint should be attended to, either number of miles or time. We…

Scan061 Recommendation for propeller shaft lubrication intervals for 20 HP and 40/50 HP chassis.
View original record x7340. To Mx. from Hs/Rn. Hs/Rn.4/MJ.14.8.29. X. 5340 X. 7340 PROPELLER SHAFTS. With reference to Mx/Mcml/T13.8.29. We recommend that the propeller shaft should be lubricated every 5,000 miles or, six…

Scan062 Potential issues and replacement policy for Phantom II propeller shaft universal joints.
View original record EP. c. Hs. c. Mx. X7340. BY5/G.23.10.29. PHANTOM 11 - PROPELLER SHAFT UNIVERSALS. --------------------------------- Re EP.10/H.18.10.29. As you were informed it was not considered either necessary or…

Scan063 Risk of propeller shaft failure and safety features on the 20 HP, Phantom II, and Silver Ghost models.
View original record Wor. From Hs. x7340 Hs.2/MJ.24.1.30. Both on the 20 HP. and Phantom ll we have a x5340 safety stop arranged so that if a rear spring breaks no damage can occur. We consider the risk of the propeller…

Scan064 Report on oil leakage from the sliding joint of the main universal for the Phantom II and 20/25 HP models.
View original record *7340. DA. [crossed out] c. Hs. BY18/G.26.5.30. PHANTOM II and 20/25 HP. SLIDING JOINT OF MAIN UNIVERSAL. ----------------------------------------------------- In Hn's report of the 4th inst. copy of…

Scan065 The failure of fabric couplings on the Phantom II and the introduction of a new rivetted design.
View original record To Hm. From Hs/Rm. For Depot Sheet. 305. Hs/Rm.3/MJ. 23.5.30. FABRIC COUPLINGS. A number of cases of failure of fabric couplings have taken place on Phantom II. We recommend that when Phantom II cars…

Scan066 Potential issue with the Hardy Coupling fitted to 'Phantom II' cars.
View original record X7305 PN.2/WT27.5.30. KVSor S/W. Hs...from PN. Copy to [redacted] I am anxious to know whether you have information as to there being a likelihood of trouble from the Hardy Coupling fitted to "Phantom…

Scan067 On issues with the fabric coupling on early Phantom II chassis and the recommended modification to prevent crankcase damage.
View original record X7305. WOR c. Hs. BY3/G. 28.5.30. FABRIC COUPLING. The first 95 chassis which were produced of the Phan. 11 type were fitted with the fabric coupling as arranged for Phan.1. In Phan. 1 there was not…

Scan068 Trouble with fabric couplings and bolt fractures on Phantom II cars.
View original record To PN. From Hs/Rn. c. to Wor. c. to Hm. c. to H. J 305. Hs/Rn.2/MJ.2.6.30. FABRIC COUPLINGS. Replying to PN.2/WT27.5.30. A certain amount of trouble has been experienced with fabric couplings on…

Scan069 Standardisation of chassis parts, replacing screws and ferrules with rivetted plates on fabric couplings.
View original record RR 785 REVISED (10M) (DG 348 19-7-29) BM. 6/643. D305 COMPLETED 4.7.30. STANDARDISATION of CHASSIS PARTS. Description of Parts: FABRIC COUPLINGS WITH PLATES RIVETTED ON INSTEAD OF SCREWS AND FERRULES.…

Scan070 Use of cantilever pins versus rivets on fabric couplings.
View original record 87305 ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. Hs WN To: Mr. Robotham (Derby) From: Mr. Olley -Cc- Mr. Burton POST RECEIVED STAMP [SEP 15 1930] FABRIC COUPLING - Sec. 6020 Dear Rm: In…

Scan071 Failure rates of different engine coupling types on the Phantom II.
View original record C O P Y Aug. 25, 1930. To: Mr. Burton From: Mr. Harger Copy to Mr. Beaver Mr. Olley RE: Engine Coupling - Sec. 6020 Acknowledging your memo of August 18 regarding England's decision to change…

Scan072 The failure of a fabric engine coupling on chassis 18-XJ and a discussion of its design.
View original record Pt.7/PH/2-10-30. By. Derby (Copy to Whr. London Hs. Derby, Hd. ") We have just experienced our first trouble here in connection with fabric engine coupling about which we have received several Sheets…

Scan073 Emergency modification to a coupling using three discs.
View original record In the coupling which we have had to build up here to meet an emergency, we have enlarged the plates, being forced to do this largely because of the fact that having had to use three discs instead of…

Scan074 Request to prepare standard, Hardy type A, and bulge couplings for a fabric coupling joggling rig.
View original record X7305. RHC. from Hs/Rm. Hs/Rm2/AD14.10.30. FABRIC COUPLING JOGGLING RIG. Will, you please prepare four standard couplings for this rig and also fit plates to four of the new couplings at present in…

Scan075 Recommendation to circulate a Depot Sheet about fitting the latest rivetted engine couplings on Phantom I & II models.
View original record K7305. To Hd. From Hs/Rm. Hs/Rm. 7/MJ.18.12.30. ENGINE COUPLING PHANTOM 1 & 11. We suggest that the following information should be circulated as a Depot Sheet. "Further to Depot Sheets 178 and 180,…

Scan076 Failures, benefits, and proposed improvements for fabric couplings on the Phantom II model.
View original record R. from Hs/Rm. c. Sg. c. Wgr. E. c. Ha. Hy. X.7305. Ha/Rm2/AD20.4.31. FABRIC COUPLINGS - JAPAN 3. X.5305. X.7305. We admit we have been unfortunate with the fabric coupling on Phantom II but this has…

Scan077 Need to increase propeller shaft diameter to prevent whirling at higher RPMs.
View original record To R. from Hs/Gry. c. to Eg. Wor. c. to RG. K. c. to Da. By. PROPELLER SHAFTS. Referring to Del/N.7.9.31. we consider it essential to have a 3" diameter shaft for J. 3. The present 2 3/4" shaft begins…

Scan078 Letter from Cadillac Motor Car Company providing information on propeller shaft assemblies for high-speed boats.
View original record C.O.P.Y. CADILLAC MOTOR CAR COMPANY, DETROIT, MICHIGAN October 21, 1931. Mr. E. W. Hives, Rolls Royce Ltd., Derby, England. Dear Sir: Subj: Propeller Shaft. Replying to Ba/Gry2/MJ I attach copy of…

Scan079 Specifications for car shafts, including balance, RPM, and thickness.
View original record -2- (5) Oakland cars run through within 3/4 oz. inch for balance and have to run smoothly up to 4000 r.p.m. (6) I did not know the thickness of the P.II shaft, but it scaled 1/8". You will note they…

Scan080 Letter discussing drive shaft tube critical speed calculations and specifications.
View original record COPY. MECHANICS UNIVERSAL JOINT COMPANY. Division of Borg-Warner Corporation ROCKFORD, ILLINOIS October 19, 1931. C.A.S. Engineering Company, 5-139-140 General Motors Bldg. Detroit, Michigan.…

Scan081 Standardisation of a 2.750' diameter propeller shaft to prevent whirling.
View original record RR 785 (10H) (30405. 21-4-32) BM. 3/6382/4. X7340. COMPLETED 26.10.32. STANDARDISATION of CHASSIS PARTS. Date 12.8.32 Description of Parts. PROPELLER SHAFT 2.750" dia. Origin 9/124 Improvement to…

Scan082 Standardisation form for a chassis part, detailing its implementation, schedule and cost.
View original record STANDARDISATION OF CHASSIS PARTS The number of the first chassis on which the new part will be fitted......... 89 in E.W. Date when chassis will be handed to test.... Production. Cost of scrapped…

Scan083 Reliability of the Synchromesh Fabric Coupling Bolts on the Phantom II.
View original record Mr. [redacted] c. Hs. X7305. BY.6/G./19.8.32. Phantom 11. SYNCHROMESH FABRIC COUPLING BOLTS. Mx. 2/T.8.8.32. The reliability of the fabric coupling is more dependent upon the riveting up of the three…

Scan084 Failure of Hardy fabric couplings on Phantom II cars and suggesting a design modification to reduce replacement costs.
View original record x7305 Da. from Hs/GWH. c. E. By. Hs/GWH.9/KT.20.9.32. X 512. PHANTOM II. HARDY FABRIC COUPLING BETWEEN ENGINE & GEARBOX. The failure of these couplings are again becoming prevalent with the increased…

Scan085 Alternate proposals for a torsionally flexible coupling.
View original record X7305 BY. FROM DA. DA1/M27.10.32. C. to SG. WOR. HS. E. P. 2. TORSIONALLY FLEXIBLE COUPLING. Herewith we send N. schs. 3572/3. shewing alternate proposals for the above. These have been in a partly…

Scan086 Standardisation of an engine coupling to address complaints of fabric disintegration.
View original record RR 785 (10M) (30405. 21-4-32) BM. 3/8382/4. X7305. COMPLETED 6.9.33. STANDARDISATION of CHASSIS PARTS. Date 9.2.33. X No. 7305. Drawing No. S12 Part List Description of Parts. ENGINE COUPLING 2,…

Scan087 Introduction of a new part for a 'P' Series chassis.
View original record STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted...... 'P' Series. Date when chassis will be handed to test. 2nd Sept 1933. Cost of scrapped…

Scan088 Request to develop a needle bearing propeller shaft for the Phantom II model based on a successful test.
View original record X7320 To By. from Hs/Rm. Hs/Rm.14/KT. 20.10.33. NEEDLE BEARING PROPELLER SHAFT - P.II. We were very pleased with the needle bearing prop. shaft which ran about 6000 miles on GWH's car in France. We…

Scan089 Request to test and modify the rear universal joint on experimental car 22-EX to measure axle twist and spring deflection.
View original record To RHC. X 7340 Hs/Les.8/KW.19.4.34. Universal Joint Test on 22-EX. We want to investigate further Hancock's trouble re straining the rear universal joint. Will you please modify the rear universal…

Scan090 Modifications to cure fouling on Phantom propeller shafts.
View original record To E. From Hs/CWH. c. to EY. c. to Sft. c. to Wor. c. to Sg. 734 D Hs/CWH.6/WJ.9.5.34. PHANTOM PROPELLER SHAFTS. We have cured the trouble of fouling experienced on 28-MX. propeller joint, by…

Scan091 Recommendation for Vacuum Motor Grease No. 2 for needle type bearings on 20/25 & 40/50 HP chassis universal joints.
View original record X7340 To By/Cgh. Hs/GWH.13/KW.30.5.34. 20/25 & 40/50 HP. Chassis Universal Joints. With the introduction of needle type bearings on the above cars, the Vacuum Motor Grease No. 2 should be recommended.…

Scan092 Standardisation of a propeller shaft with needle bearings in mechanics joints.
View original record RR 788 (SH) (S2674, 18-10-33) SM. 3/162/6. COMPLETED 21.6.34. 40/50 STANDARDISATION of PARTS. Date 10.5.34. Handwritten date: 1-6-34 LOP. X No. G.80001 X.7340 Drawing No. Part List Description of…

Scan093 Estimated cost for extra jigs, tools, and equipment for a modification instructed for the 'S.2' series.
View original record STANDARDISATION OF PARTS (mirrored) Est. cost of extra jigs, tools and equipment (Sft/Ws.25.5.34) £20.0.0. This modification is already instructed for 'S.2' series. X (handwritten in box) Stamp:…

Scan094 Investigation report into a universal joint failure on a PH.II Chassis after a customer complaint of noise in the transmission.
View original record v7340 Rm o.Hs From Mx. MxS/T20.7.34. PH.II CHASSIS - UNIVERSAL JOINT. 141-RY - Mr.Wall, Sutton Coldfield. -------------------- This owner complained of noise in transmission on the above car which has…

Scan095 Depot sheet concerning oil loss from Phantom II rear universal joints and the required modification.
View original record To Hd. K7340 Hs/Les.2/KW.24.7.34. FOR DEPOT SHEET. Ph. II Rear Universal Joints. Chassis fitted with controllable dampers and low rating springs produced before the 51st chassis in S.E. series are…

Scan096 Modifications and leaking issues with Ph.II rear universal joints.
View original record K7340 To By. c. to Mx. c. to Hd. c. to EP. c. to Wor. HS/Les.1/KW.24.7.34. Ph.II Rear Universal Joints. Re. Mx.S/T.20.7.34. We should like to point out that the modification giving increased angular…

Scan097 Standardisation of a new, shorter propeller shaft to suit a new gearbox.
View original record RR 755 (SH) (57312. 29-12-33) 5M 3/546/2 COMPLETED 16.3.35. 40/50 STANDARDISATION of PARTS. Date: 16.10.34 X No. 7340. Drawing No. G81227. Part List Description of Parts. PROPELLOR SHAFT TO SUIT NEW…

Scan098 Cost estimate and production note regarding jigs and tools for the 'D' series chassis.
View original record STANDARDISATION of PARTS Est. cost of extra jigs, tools and equipment (Sft/WS.20.10.34) NIL. Could be brought on to production at 51st chassis in "D" series (Sft/GH.20.10.34) without scrap. T9

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