Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Standardisation document for replacing the old pressure feed pump (G.2373) with a new limited compression type (E.5935). | ||
| View original record | R.R. 755 (5 H) (S.A. 925. 25-2-15) G. 0061. ORIGINAL STANDARDISATION of CHASSIS PARTS. Description of Parts. Pressure Feed Pump located on the governor casing of the engine, the pump being of the… | ||
| img002 | Standardisation proposal for a pressure feed pump, which is an air pump driven from the distributor shaft. | ||
| View original record | R.R. 755. (5 H) (V.V. 472. 30.1.14) G. 0310. ORIGINAL STANDARDISATION of CHASSIS PARTS. Description of Parts. PRESSURE FEED PUMP. Air Pump in horizontal position driven from distributor shaft. Drawing… | ||
| img003 | Standardisation proposal for the Governor Drive chassis part, including modification details and review comments. | ||
| View original record | R.R. 755. (5 H) (V.V. 472. 30.1.14) G. 0319. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL GOVERNOR DRIVE. This has been modified due to the Pressure Feed Pump being driven from the… | ||
| img004 | Standardisation report for an aluminium conical top Zephyr piston with many rings. | ||
| View original record | R.R. 755 (5 H) (S.A. 925. 25-5-15) G. 0961. COMPLETED 20.9.16 CL STANDARDISATION of CHASSIS PARTS. Date 14.9.16. Description of Parts. ORIGINAL ALUMINIUM PISTON, CONICAL TOP, ZEPHYR WITH MANY RINGS.… | ||
| img005 | Standardisation of an improved type cross steering tube ball joint. | ||
| View original record | R.R. 755 (5 M) (S.A. 323. 25-2-15) G. 0961. ORIGINAL 10.9.14 STANDARDISATION OF CHASSIS PARTS. Description of Parts. Improved type cross steering tube ball joint to LeC.536/7/8/540. Drawing No. F.6386… | ||
| img006 | Joggling test results for improved steering joints, recommending their adoption. | ||
| View original record | EH2/LG13.7.17. We have run one of the improved steering joints for 100 hours in the joggling test. The joint is adjusted to have .100" slack. We are continuing the test until something breaks. If this… | ||
| img007 | Standardisation of chassis parts for a priming device. | ||
| View original record | R.R. 755 (5 H) (S.A. 325. 25-2-15) G. 0961. COMPLETED 29.9.14. ORIGINAL STANDARDISATION of CHASSIS PARTS. Date 29.9.17. Drawing No. E.7191. Part List. E.7191. Description of Parts. Priming Device.… | ||
| img008 | Standardisation of chassis parts, specifically 895mm x 150mm tyres. | ||
| View original record | R.R. 766 (5 M) (S.A. 325. 25-2-15) G. 0981. COMPLETED 4.4.19. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL 895mm x 150mm Tyres. Drawing No. X 3044. Part List. Origin. MR. Royce's… | ||
| img009 | Standardisation of a Capillary Tube Thermometer for the chassis. | ||
| View original record | R.R. 755. (5 H) (V.V. 472. 30.1.14) G. 0319. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Capillary Tube Thermometer. Origin. Desirability of recording water temperature in… | ||
| img010 | Recommendation to fit an instrument to record the water temperature on all 40/50 chassis. | ||
| View original record | To R. from EH. c. to CJ. c. to E. c. to BY. c. to Ds. COPY EH1/LG31.3.19- X.3454 - RE INSTRUMENT TO RECORD WATER TEMPERATURE OF 40/50 CHASSIS. We have been using a Thermometer on 49-GB which we… | ||
| img011 | Standardisation document for an oval section pendulum steering lever for the 40/50 chassis, addressing breakages. | ||
| View original record | R.R. 755 (5 H) (S.A. 395. 25-2-15) G. 0951. COMPLETED 24.10.19 STANDARDISATION OF CHASSIS PARTS. ORIGINAL Date: 4.10.19 X 205. Drawing No. F.4272. Part List. F.4743. Description of Parts. Pendulum… | ||
| img012 | The bumping test and failure analysis of an oval section pendulum steering lever, comparing it to a standard H section lever. | ||
| View original record | Wor/Hy2/L221014. REPORT ON BUMPING TEST OF OVAL SECTION PENDULUM STEERING LEVER F.4272. X.205. This lever was fixed to the complete steering gear on the bumping test and has been used during the… | ||
| img013 | Standardisation of an 18 Gallon Petrol Tank designed so that rear Shock Absorbers can be fitted. | ||
| View original record | R.R. 755 (5 M) (S.F. 621, 9-5-19) G. 2561. STANDARDISATION of CHASSIS PARTS. Description of Parts. 18 Gallon Petrol Tank designed so that rear Shock Absorbers can be fitted. ORIGINAL COMPLETED.… | ||
| img014 | Standardisation of an indicator plate for the oil cock. | ||
| View original record | R.R. 755 (5 H) (S.A. 325. 25-2-15) G. 0961. COMPLETED 13.11.19 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL. Indicator Plate for Oil Cock. Date 4.10.19 X 3431. Drawing No. E.18107.… | ||
| img015 | Standardisation report for front shock absorbers, coupling tube, and ball end fixed on the axle, due to failures on existing cars. | ||
| View original record | R.R. 755 (5 M) (S F. 621. 2-5-19) G. 2381. COMPLETED 13.11.19. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Front Shock Absorbers, coupling tube and Ball End fixed on Axle.… | ||
| img016 | Standardisation document for an improved type of Clutch Brake. | ||
| View original record | R.R. 755 (S.H) (S.F. 621, 2-5-19) G. 2361. COMPLETED 14.11.19. STANDARDISATION of CHASSIS PARTS. Date 26.8.19 Description of Parts. ORIGINAL. Improved type of Clutch Brake. Drawing No. C.6841 X 3546… | ||
| img017 | Standardisation of a short connecting rod for the 40/50 chassis to eliminate piston knocks. | ||
| View original record | R.R. 755. (5 H) (V.V. 472. 30.1.14) G. 0819. COMPLETED. 21.11.19. STANDARDISATION OF CHASSIS PARTS. Date 9.4.19. Description of Parts. ORIGINAL. Short Connecting Rod for 40/50 Chassis. Box X 340CD.… | ||
| img018 | Continued discussion on customer complaints regarding knocks from cast-iron pistons. | ||
| View original record | R.R. 255 D (290 T) (S. P. 102. 25.10.18. G 291) Contd. -2- EH4/LG7.4.19. class of customer we have complaints from even with the cast-iron piston as regards knocks. EH. | ||
| img019 | Test report on the successful completion of bench and road tests for X.3400 short connecting rods. | ||
| View original record | R.R. 253 a 3M (T) (S F 67A. 12-3-19) G. 2376. EH/AT17.11.19. X.3400 - SHORT CONNECTING RODS. These rods have been run on the Bench Test for 100 hours and have shown no sign of failure. They have now… | ||
| img020 | Standardisation document for a split, oval-ground piston designed for uniform flexibility to eliminate piston knocks. | ||
| View original record | R.R. 755 (5 H) (S.P. 621. 2-5-19) G. 2381. STANDARDISATION of CHASSIS PARTS. ORIGINAL 107212 Description of Parts. Split Piston. Oval ground, split axially and circumferentially giving uniform… | ||
| img021 | The standardisation of split pistons, production delays, and the investigation of an elusive engine knock. | ||
| View original record | To Bj. from Bn. c. to Wor. Bn/W6.12.19. T.3732.-STANDARDISATION SHEET FOR SPLIT PISTONS. With reference to RJ2/DB41219, the policy regarding pistons has been very clearly laid down by CJ. in his… | ||
| img022 | The performance tests of split type pistons, noting some slight knocking issues. | ||
| View original record | BN. from EP. Copy to BY. " " EH. " " WOR. EP9/F18.11.19. RE TESTS OF SPLIT TYPE PISTONS. Two tests of the latest type split pistons have been run on test cars, each set having run a distance of about… | ||
| img023 | Standardisation report for Gleason Skew Bevels for the rear axle, intended to overcome noisy axles. | ||
| View original record | R.R. 755 (5 M) (S.F. 621. 2-5-19) G. 2881. COMPLETED 15.1.20 STANDARDISATION of CHASSIS PARTS. Page. 2. Description of Parts. ORIGINAL Gleason Skew Bevels for Rear Axle. X 3612. Drawing No.… | ||
| img024 | Standardisation of an oil gauge that registers up to 30 lbs. | ||
| View original record | COMPLETED. 20.1.20 STANDARDISATION of CHASSIS PARTS. ORIGINAL X 3547. Drawing No. Part List E.15794. Description of Parts. Oil gauge registering up to 30 lbs. (Supplied by Messrs. Benson) Origin.… | ||
| img025 | Standardisation document for a modified type of aluminium split piston. | ||
| View original record | R R. 755 15 M: (S F. 621. 3-5-19) G. 2561. ORIGINAL COMPLETE 24/1/20 STANDARDISATION of CHASSIS PARTS. Description of Parts. Modified type of aluminium split piston. Origin. To overcome the tendency… | ||
| img026 | The design of a modified type of aluminium split piston, comparing it to the previous version. | ||
| View original record | To CK. from Hs. HS6/19.1.20. Y.3751. MODIFIED TYPE OF ALUMINIUM SPLIT PISTON. This piston is similar to the present split piston we are using except that the design has been gone over, bearing in mind… | ||
| img027 | The performance and condition of modified aluminium split pistons after extensive mileage tests. | ||
| View original record | R R 725 A 100 T (S & F) SIC 6-8-19 C. 2400. Extract from Hsl/LG8.4.20. X.3751.-RE MODIFIED ALUMINIUM SPLIT PISTON. A set of these has now completed 10,000 miles on 2E.X. Car, a second set has… | ||
| img028 | Standardisation of Chassis Parts regarding the Radiator and Bonnet being raised one inch higher than standard. | ||
| View original record | R R 755 (S H) (S F. 621. 2-5-19) G. 2561. ORIGINAL COMPLETED 23.3.20 STANDARDISATION of CHASSIS PARTS. Date 18.3.20 X 3726. Drawing No. N.255/8 Part List. Description of Parts. Radiator and Bonnet… | ||
| img029 | Extract regarding the implications of raising the radiator and bonnet by 1 inch higher than standard. | ||
| View original record | Extract from HsX/LG17.3.20. X.3.26.-RADIATOR & BONNET RAISED 1" HIGHER THAN STANDARD. We have one chassis fitted up with this arrangement we consider it does achieve the object it was intended for,… | ||
| img030 | Standardisation of a rear axle casing, changing from M.S. to 3 1/2% N.S. for increased reliability. | ||
| View original record | R R 755 (5 H) (8 F. 621. 2-5-19) G. 2381. COMPLETED 26.3.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL. Rear axle casing in 3 1/2% N.S. in lieu of M.S. For increased reliability!… | ||
| img031 | Confirming the adoption of 3 1/2% Nickel steel for the rear axle drop forgings. | ||
| View original record | To By. from R. Copy to CJ. " Bn. COPY. R4/G3.1.20. RE MATERIAL FOR REAR AXLE CASING. With reference to material for rear axle casing, on your suggestion and Mr. Hall's recommendation, I agree that we… | ||
| img032 | Laboratory report recommending the use of 3.5% Nickel Steel over Mild Steel for rear axle casings. | ||
| View original record | Laboratory. C O P Y. H19/EB31.12.19. X.3.69.-REAR AXLE CASING IN 3 1/2% N.S. From a number of tests made here, it is evident that we take an unusual amount of care in heat treating our Mild Steel, so… | ||
| img033 | Standardisation of a starter motor drive chain, replacing No.174 with Hans Renolds No.6195. | ||
| View original record | R.R. 755 (5 M) (S F. 621, 9-5-19) G. 2381. COMPLETED 10.4.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Chain for Starter Motor Drive Hans Renolds No.6195 in place of No.174.… | ||
| img034 | Standardisation of chassis parts concerning two extra rings fitted to the pistons. | ||
| View original record | R.R. 755 (6 H) (S.A. 925. 25-2-15) G. 0951. COMPLETED 23490 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Two extra rings fitted to the pistons. The top one not to have a stop.… | ||
| img035 | Copy of a telegram from Mr. Royce regarding a solution for piston tightness. | ||
| View original record | COPY OF TELEGRAM RECEIVED FROM MR. ROYCE. 15.3.20. CLAUD JOHNSON ROLHEAD REG LONDON. WE HAVE APPARENTLY FOUND DEFINITE SOLUTION FOR MADDOCKS COMPLAINT AS TIGHTNESS OCCURS THROUGH CARBON DEPOSIT ABOVE… | ||
| img036 | Facts and tests related to piston rattles in various car models. | ||
| View original record | FACTS WITH REFERENCE TO PISTON RATTLES. 1. The first case of piston rattles was on 7CA. Car when it was first being used by Mr. Royce. The pistons were the Zephyr type fitted with four narrow rings… | ||
| img037 | Recommendations for rectifying piston rattles by fitting extra rings and considering lubrication oil types. | ||
| View original record | -2- Contd. RECOMMENDATIONS. Upon consideration of the above facts the Exptl. Dept. recommend that the present pistons should have the extra rings fitted as soon as ever possible. Our reasons for… | ||
| img038 | Standardisation of chassis parts for side levers with a straight short brake lever and set speed lever. | ||
| View original record | RR 735 1M H) (S P. 621. 5-5-19) G. 2561. COMPLETED STANDARDISATION of CHASSIS PARTS. Date 6.5.20. Description of Parts. ORIGINAL. Side levers with straight short brake lever and set speed lever. X… | ||
| img039 | Trial and approval of new side levers, leading to a proposal for standardisation. | ||
| View original record | R.R 258a (100 T(S.G. 643. 19-2-20) G 9818 C O P Y. To Hs. from Da. c. to Bn. By. EP. EFC. Da3/CB14.4.20. X.388.-RE SIDE LEVERS WITH SHORT BRAKE LEVER AND SET SPEED LEVER. With reference to the set of… | ||
| img040 | Modification to slipper clutch for Starter Motor Drive. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts. slipper Modification to clutch for Starter Motor Drive. Origin. The present clutch is unsatisfactory, it either slips excessively or seizes up.… | ||
| img041 | Issues with the starter motor clutch and proposing a modification to a slipper drive type. | ||
| View original record | R.R 285A (100 T) S.G 545. 19-5-20: G. 2618 MODIFICATIONS TO STARTER MOTOR CLUTCH. SLIPPER DRIVE. The present clutch which is fitted to the chassis is unsatisfactory. It either gives trouble with… | ||
| img042 | Standardisation of oil retaining baffles in rear axle tubes. | ||
| View original record | R.R. 755 (5 H) (S P. 621. 2-5-19) 6S. 2381. COMPLETE STANDARDISATION of CHASSIS PARTS. 6. ORIGINAL. Description of Parts. Oil retaining baffles in rear axle tubes. Drawing No. N.135. Origin. To… | ||
| img043 | Standardisation of chassis parts for a petrol filter gauze made of Monel metal wire. | ||
| View original record | R.R. 755 (5 M) (S F. 621, 2-5-19) G. 2561. COMPLETED 11.6.20. STANDARDISATION of CHASSIS PARTS. Date 28.5.20. Description of Parts. ORIGINAL. Petrol Filter Gauze made of Monel metal wire. Origin.… | ||
| img044 | Recommendation for using copper-nickel or monel gauzes for petrol filters over copper ones. | ||
| View original record | Mr. Hives. H14/EB27.5.20. Laboratory. The copper-nickel or monel gauzes are superior for petrol filters to the copper ones, since they are less acted on by petrol and benzole and are more robust. | ||
| img045 | Standardisation of a chassis part, specifically the bracket for a hand pump. | ||
| View original record | F.R. 755 (5 H) (S.A. 225. 25-5-15) G. 0961. COMPLETED 11.6.20 STANDARDISATION of CHASSIS PARTS. Date 28.5.20 Description of Parts. ORIGINAL Bracket for Hand Pump. Drawing No. N.94. Part List. X 3444.… | ||
| img046 | Standardisation of chassis parts, specifically rear shock absorbers. | ||
| View original record | COMPLETED. 11.6.20. STANDARDISATION of CHASSIS PARTS Description of Parts. ORIGINAL Rear Shock Absorbers. Origin. To assist in keeping the car more steady. Experimental Test Report. Set with latest… | ||
| img047 | The production, testing, and potential improvements for new rear shock absorbers. | ||
| View original record | REAR SHOCK ABSORBERS. The Production of the Rear Shock Absorbers in the Works is such now that they are ready to fit them to Cars. The Shock Absorbers being made have all latest improvements. A set of… | ||
| img048 | Outlining faults found with the first set of rear shock absorbers fitted to a test car for America. | ||
| View original record | COPY. To By. from EP. c. Hs. Da. EP15/F28.5.20. X.3912.- REAR SHOCK ABSORBERS. We have now fitted the first set of rear shock absorbers supplied, on to a car on test for delivery i.e. 22-LW. for… | ||
| img049 | Continued memo outlining issues with vehicle components and requesting drawing prints. | ||
| View original record | -2- EP15/F28520, Contd. 5. The top part of the connecting tube fouls the end of the rear springs under conditions similar as explained in the above point. 6. The fixing of the ball piece F.7750,… | ||
| img050 | Providing comments and criticisms on rear shock absorbers. | ||
| View original record | C O P Y. To By. from Hs. RE REAR SHOCK ABSORBERS. With reference to Mr. Platford's memo EP15/F28520, the following are our comments and criticisms in the same order as they are mentioned on his memo.-… | ||
| img051 | Continued report discussing clearance issues with a connecting tube and shock absorbers, and a recommendation for a castellated nut. | ||
| View original record | -2- Hs1/LG31520. Contd. 5. We do not agree that the connecting tube fouls the end of the rear springs. We saw 22-LW when it was ballasted up and there appeared to be ample clearance at that point. We… | ||
| img052 | Standardisation of chassis parts for a clutch operating lever. | ||
| View original record | R.R. 785 (5 H) (S.A. S25. 25-2-15) G. 0961. COMPLETED STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Clutch operating lever. Drawing No. X 3554. N.1983. Part List. N.1983. Origin. To… | ||
| img053 | Standardisation of thermostat control for water temperature. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. COMPLETED 11.10.20 Description of Parts. ORIGINAL Thermostat Control for water temperature. Origin. To keep water in cylinder jackets at a constant temperature.… | ||
| img054 | Results of water flow tests, in gallons per minute, on an engine with and without a thermostat fitted. | ||
| View original record | R.R. 199 (250T) (SD870 19-7-17) M1P180805 C O P Y. To R. from Hs. c. to CJ. En. W. Da. By. Hs2/LG23.4.20. Y.3563.-THERMOSTAT CONTROL FOR WATER TEMPERATURE. We have measured the flow of water through… | ||
| img055 | Tests of a car's thermostat control, specifically the design and function of the bye-pass hole in preventing radiator freezing. | ||
| View original record | COPY. To R. from Hs. c.c. to CJ. En. E. Da. By. Oy. Na. Rel/LGS.6.20. X.3563.- THERMOSTAT CONTROL. We have carried out tests with a car fitted with a Thermostat, comparing different sizes of bye-pass… | ||
| img056 | Continued note on engine radiator temperatures and freezing conditions when coasting. | ||
| View original record | Hs1/G8620. Contd. on the road, (air temperature 17ºC). the temperature was 55 to 60ºC, but of course, this depends entirely upon the condition under which the engine is run. The worst condition for… | ||
| img057 | Standardisation of chassis parts for rear road springs, pre-war thin leaf type. | ||
| View original record | R R 755 (5 H) (S F. 621. 2-5-19) G. 2561. ORIGINAL COMPLETED. 3.9.20 STANDARDISATION of CHASSIS PARTS. Description of Parts: Rear road springs, pre-war thin leaf type. Origin: Owing to squeaking of… | ||
| img058 | Standardisation of a lower gear back axle, changing the ratio from 16 x 52 to 15 x 52. | ||
| View original record | R.R. 785 (S H) (S.A. 325. 25-2-15) G. 6961. ORIGINAL COMPLETE 8.9.20 STANDARDISATION of CHASSIS PARTS. Date 20.8.20. Description of Parts. Lower gear back axle. 15 x 52 instead of 16 x 52. X 3545.… | ||
| img059 | Standardisation of a bracket for carrying a luggage grid. | ||
| View original record | R.R. 755 (3 H) (S.P. 621. 2-5-19) G. 2861. ORIGINAL COMPLETED STANDARDISATION of CHASSIS PARTS. Description of Parts. Bracket for carrying luggage grid. Origin. To prevent coachbuilders weakening the… | ||
| img060 | Recommendation to standardise the bracket for carrying a luggage grid to avoid coachbuilders drilling the frame. | ||
| View original record | BRACKET FOR CARRYING LUGGAGE GRID. We recommend that we should standardise the bracket which has been designed for carrying a luggage grid. When this bracket is fitted it does away with the necessity… | ||
| img061 | Standardisation of a flexible split piston for use without cylinder liners. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts. Flexible split piston (low compression) for use without cylinder liners. Drawing No. E.18688. Part List. Origin. To do away with the necessity… | ||
| img062 | Standardisation of a Ferodo wearing strip for the bonnet. | ||
| View original record | R.R. 755 (5 H) (S.A. 335. 25-2-15) G. 0061. COMPLETED. 15.9.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL. Ferodo wearing strip for bonnet. Origin. Present brass strips wear… | ||
| img063 | Standardisation of chassis parts concerning the altered position of oil feed to engine gears. | ||
| View original record | R R 755 (5 M) (S F. 621. 2-5-19) G. 2561. COMPLETED 15.9.20. STANDARDISATION of CHASSIS PARTS. Date 30.7.20 Description of Parts. ORIGINAL Altered position of oil feed to engine gears. X 3473a.… | ||
| img064 | Standardisation of a Whittle belt with shorter links to reduce noise. | ||
| View original record | R R 785 (5 H) (S.H. 167, 20-6-20) G. 2507. COMPLETED. 22.10.20. STANDARDISATION of CHASSIS PARTS. ORIGINAL. Description of Parts. Whittle belt with shorter links. Origin. To reduce the amount of noise… | ||
| img065 | Standardisation of a primer cock on an induction pipe without a spring. | ||
| View original record | R R 755 (5 M) (S.H. 187, 20-8-20) G. 2807. COMPLETED. 3/11/20 STANDARDISATION of CHASSIS PARTS. 12.10.20. Description of Parts. Primer cock on induction pipe without spring. ORIGINAL Origin. To make… | ||
| img066 | Standardisation document for a sloping base for a magneto and a new clip. | ||
| View original record | R R 755 (5 H) (S.M. 187, 20-8-20) G. 2807. COMPLETED STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Sloping base for magneto and new clip. Origin. To make high tension distributor… | ||
| img067 | Standardisation of a junction for pressure and oil pipes on the dashboard. | ||
| View original record | R.R. 755 (5 M) (S.H. 157, 20-9-20) G. 2507. COMPLETED. 3.11.20 STANDARDISATION OF CHASSIS PARTS. Description of Parts. ORIGINAL. Junction for pressure and oil pipes on dashboard. Origin. To avoid… | ||
| img068 | Standardisation of chassis parts to lower the silencer front and rear by .500 inches. | ||
| View original record | COMPLETED. 8.11.20 STANDARDISATION of CHASSIS PARTS. Date 4.10.20 Description of Parts.. ORIGINAL. Silencer front and rear .500" lower. Origin. To give more clearance between silencer and undershield,… | ||
| img069 | Insufficient silencer clearance on the 40/50 chassis, recommending it be lowered by .500 inches to prevent vibration and drumming noise. | ||
| View original record | To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EB. [Handwritten: 647] [Handwritten: X.3438.] SILENCER ON 40/50 CHASSIS .5" LOWER. ------ There is a lot of difficulty on our… | ||
| img070 | Standardisation document for the deletion of shutters in the bonnet. | ||
| View original record | R R 755 (S H) (S.H. 187, 20-8-20) G. 2807. COMPLETED STANDARDISATION of CHASSIS PARTS. Date: 18.11.20. X No. 11.20. Drawing No. S421. Part List. P.4275. Description of Parts. ORIGINAL Deletion of… | ||
| img071 | Recommendation to delete shutters in bonnets to prevent rattling, improve appearance, and save costs. | ||
| View original record | SHUTTERS IN BONNETS. We are recommending that we delete the shutters in Bonnets. We have made enquiries from all our Service Stations and Repair Depots and find that the shutters are seldom, if ever,… | ||
| img072 | Letter discussing operational issues with bonnet shutters and recommending they be omitted. | ||
| View original record | E.B. Qy13/G - 19.10.20. Oct. 19, 1920. Mr. Claude Johnson, Managing Director. Rolls-Royce Ltd., London, England. Attention: Mr. Hives. Dear Sirs, Re: Shutters in Bonnets. In reply to Mr. Hives' memo… | ||
| img073 | Standardisation of the rear silencer swan neck, to avoid the use of steel castings. | ||
| View original record | R R 755 (5 B) (S.H. 167, 20-9-20) G. 2607. COMPLETED 18.11.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Rear Silencer - Swan neck fixed by means of bent drawn tube and flanges.… | ||
| img074 | Standardisation of steering pivot pins made with a slow taper for fitting to the axle. | ||
| View original record | COMPLETED. 24.11.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL. Steering pivote pins made with a slow taper for fitting to axle. Origin. In order that pins can be removed without… | ||
| img075 | Examining plain thrust washers to provide friction in steering on experimental cars. | ||
| View original record | To R. from Hs. c. CJ. Bn. E. Da. EWT. fro RR.Inc. Hs2/LG4.11.20. FRICTION IN STEERING. With reference to Mr. Olley's memo Oy6/7.10.20., we have examined the plain thrust washers which have been… | ||
| img076 | Fitting a plain thrust washer to existing cars and a proposed design modification for pivot pins. | ||
| View original record | -2- Hs2/LG4.11.20. Contd. We consider there is no harm likely to arise form fitting the plain thrust washer to exsisting cars. As regards a permanent design, Mr. Royce might consider some modification… | ||
| img077 | Standardisation of a plain thrust washer to replace a ball thrust on the off side of the steering pivot. | ||
| View original record | H.R. 755 (5 M) (S.H. 157, 20-8-20) G. 2607. COMPLETED. 24.11.20 STANDARDISATION OF CHASSIS PARTS. 5.11.20. ORIGINAL Description of Parts. Plain thrust washer in place of ball thrust on off side of… | ||
| img078 | Examination of plain thrust washers to provide friction in steering on experimental cars. | ||
| View original record | To R. from Hs. c. CJ. Bn. E. Da. Ext. for R.R. Inc. He2/LG4.11.20. FRICTION IN STEERING. With reference to Mr. Olley's memo Oy6/G7.10.20., we have examined the plain thrust washers which have been… | ||
| img079 | Fitting plain thrust washers and modifying pivot pins. | ||
| View original record | -2- Hs2/LG4.11.20. Contd. We consider there is no harm likely to arise form fitting the plain thrust washer to existing cars. As regards a permanent design, Mr. Royce might consider some modification… | ||
| img080 | Standardisation of a stainless steel low-speed jet spindle for the carburetter to prevent sticking. | ||
| View original record | R.R. 755 (S H) (S.H. 157, 20-8-20) G. 2807. COMPLETED 15.2.21. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL. Carburetter - Low speed jet spindle in Stainless Steel. Origin. To… | ||
| img081 | Requesting the standardisation of the 40/50 HP carburetter low speed jet spindle in stainless steel due to a rusting issue. | ||
| View original record | To HS. from E. c. to CJ. c. to Da. c. to SP. c. to RV. c. to EFO. I. 3768. Y. 4337. RE 40/50 H.P. CARBURETTER - LOW SPEED JET SPINDLE Would you kindly note that Mr. Royce would like you to standardise… | ||
| img082 | Standardisation of the Low Speed Jet Spindle E.2691 from mild steel to stainless steel. | ||
| View original record | HS/LG1/EG27.1.21. RECEIVED 28 FEB 1921 THE LOW SPEED JET SPINDLE - E.2691. Mr. Royce wishes to standardise the Low Speed Jet spindle E.2691 in stainless steel instead of mild steel. We are advised by… | ||
| img083 | Standardisation of rear spring wearing plates fitted between the spring and roller to overcome a knock. | ||
| View original record | R R 755 (5 H) (S.H. 157. 20-8-20) G. 2807. ORIGINAL 7321 STANDARDISATION of CHASSIS PARTS Date 11.12.20. X No. 4209. Drawing No. 8614. Part List. F.8584 F.8922 Scheme 33 Description of Parts.: Rear… | ||
| img084 | Customer complaints about a knocking sound from the rear springs and the proposed solution of fitting wearing plates. | ||
| View original record | To R. from He/TMW. c. C.J. Hn. E. Da. Ry. E.V. Wor. X.4209. - WEARING PLATES FOR REAR SPRINGS. We are receiving several complaints from customers of a knock occurring on our present chassis,… | ||
| img085 | Design modifications to the wearing plate on the rear spring. | ||
| View original record | By 3/P13.12.20. RE WEARING PLATE ON REAR SPRING. (A) Owing to the change from the split type of plate to the solid type of plate, the wearing surface has been considerably reduced between the spring… | ||
| img086 | Proposal for fixing brake brackets to axle tubes using bolts and solder instead of counterscrews and brazing. | ||
| View original record | R R 755 (S H) (S.H. 187, 20-8-20) G. 2807. ORIGINAL COMPLETED 22.3.21 STANDARDISATION of CHASSIS PARTS. Date 1.3.21 X No. 4063 Drawing No. G.7089 Part List. G.7089 Description of Parts. Fixing of… | ||
| img087 | Standardisation of a double thrust bearing for a rear axle pinion. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. ORIGINAL. COMPLETED 30/3/21 Date 8.11.20. X No 4150. Drawing No. G.7478 Part List. G.7478. Description of Parts. Double thrust bearing for rear axle pinion. Origin.… | ||
| img088 | Necessity and implementation of a double thrust bearing for the rear axle pinion. | ||
| View original record | To R. fr m Hs. c. CJ. Bn. E. Da. By. EWT. for R.R. Inc. DOUBLE THRUST BEARING FOR REAR AXLE PINION. Mr. Olley pointed out some time ago that he considered when we used the Gleason Spiral Bevel Gears,… | ||
| img089 | Standardisation of a thermometer for the chassis, made by the Foxborough Instrument Company, U.S.A. | ||
| View original record | B R 755 (5 M) (S.H. 157, 20-8-20) G. 2807. ORIGINAL COMPLETE STANDARDISATION of CHASSIS PARTS. Description of Parts. Thermometer made by the Foxborough Instr: Company U.S.A. Origin. To avoid exporting… | ||
| img090 | Recommendation to use 'Foxboro' thermometers instead of 'Cambridge' thermometers for cars built in the U.S.A. | ||
| View original record | THERMOMETERS FOR CARS IN THE U.S.A. Now that it has been decided that cars built in U.S.A. shall not have a Thermostat but instead shall have Shutters and a Thermometer, we recommend that Springfield… | ||
| img091 | Standardisation of parts for the lubrication of the universal joint at the rear of the gear box. | ||
| View original record | R R 768 (5 H) (S H 268, 19-2-20) G 2654 ORIGINAL COMPLETED 25.4.21 STANDARDISATION of CHASSIS PARTS. Date 5.4.21. X No 4348 Drawing No. G8371/3 G8438/9 Part List Description of Parts. Lubrication of… | ||
| img092 | Wear in the universal joint behind the gearbox for the 40/50 chassis due to insufficient lubrication. | ||
| View original record | Hs/LC-5.4.21. WEAR IN UNIVERSAL JOINT BEHIND THE GEAR BOX 40/50 CHASSIS. We are receiving a number of complaints of wear taking place in the universal joint at the back of the gear box. All the… | ||
| img093 | Standardisation of Chassis Parts relating to gudgeon pins with locking screws which expand the end. | ||
| View original record | ORIGINAL COMPLETED 25.4.21. STANDARDISATION of CHASSIS PARTS. Description of Parts. Gudgeon pins with locking screws which expand the end. Origin. To avoid gudgeon pin knocks. Experimental Test… | ||
| img094 | The problem of gudgeon pin knocks in test cars and a recommendation for a solution. | ||
| View original record | XH190 Hs/LG18.4.21. X.4190 - GUDGEON PIN KNOCKS. We are having considerable trouble with gudgeon pin knocks with cars on test. In order to try and avoid these occurring whilst cars are on test, the… | ||
| img095 | Standardisation of chassis parts, specifically Dunlop wheels with Goodyear demountable rims. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts. Dunlop wheels fitted with Goodyear demountable rims. Origin. To enable straight-sided tyres to be used. Experimental Test Report. These wheels… | ||
| img096 | Standardisation of chassis parts concerning straight-sided tyres with cord fabric. | ||
| View original record | R R 755 (S H) (S.H. 157, 20-8-20) G. 2807. ORIGINAL COMPLETED 6.8.21 STANDARDISATION of CHASSIS PARTS. Date 20.6.21 X No. 4050 Description of Parts. Straight-sided tyres with cord fabric. Origin.… | ||
| img097 | Standardisation of a longer chassis with a 6.5' wheelbase increase. | ||
| View original record | R R 755 (5 H) (S H 768, 10-9-20) C 2954 ORIGINAL COMPLETED 31.8.21. STANDARDISATION of CHASSIS PARTS. Date 13.7.21. X No.3706 Description of Parts. Longer chassis - wheelbase is increase 6.5". Origin.… | ||
| img098 | Proposal to make the longer type 40/50 chassis standard. | ||
| View original record | LONGER TYPE 40/50 CHASSIS. There is a demand from the Sales Department that the longer chassis shall be made standard. The longer chassis gives 6 1/2" more room at the back of the Dashboard for the… | ||
| img099 | Standardisation of rear axle gears (14 x 52) to improve the performance of cars with heavy bodies. | ||
| View original record | R.R. 76b (6 H) (S H 558, 20-9-20) G 9564 ORIGINAL COMPLETED 31.8.21 STANDARDISATION of CHASSIS PARTS. Description of Parts. REAR AXLE GEARS 14 X 52 Origin. To improve the performance of cars with… | ||
| img100 | Standardisation of chassis parts, specifically helical gears for old type 40/50 chassis. | ||
| View original record | R R 766 (5 H) (S H 268, 10-9-20) G 2954 ORIGINAL COMPLETED 3.9.21. STANDARDISATION of CHASSIS PARTS. Date 13.7.21. X No. 4055 Drawing No. Part List Description of Parts. Helical gears to old type… | ||
| img101 | The cost difference for fitting helical gears to old type 40/50 chassis. | ||
| View original record | Hs. from Rd. 24.8.21. HELICAL GEARS TO OLD TYPE 40/50 CHASSIS. Difference-per-car. Prior to chassis No.1550 £.34. 0. 0 charged to customer including profit. From chassis No.1550 to 2299 £31. 15. 0 " "… | ||
| img102 | Recommending the fitting of bronze helical gears to old type 40/50 chassis. | ||
| View original record | HELICAL ENGINE GEARS TO OLD TYPE 40/50 CHASSIS. The Repair Dept. at Derby have found that it is a great improvement to fit the bronze helical gears on to old cars with paper gears. We have had a set… | ||
| img103 | Standardisation proposal for a radiator support bracket, changing from forging to pressing to reduce cost. | ||
| View original record | R R 768 (6 H) IS H 268, 19-9-20) G 8954 ORIGINAL COMPLETED 20.10.21. STANDARDISATION OF CHASSIS PARTS. Date 13.9.21. X No. 4373 Drawing No. Part List Description of Parts. Radiator support bracket… | ||
| img104 | Standardisation proposal for a strengthened rocker arm shaft for steering. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS. COMPLETED 20.10.21 Date 19.9.21. X No. 3920 Description of Parts. Strengthened rocker arm shaft for steering. Origin. To avoid failure of this part. Experimental Test… | ||
| img105 | Standardisation report for a modification to the rear axle to allow the journal bearing to take reverse thrust from the Gleason Bevel Pinion. | ||
| View original record | R R 765 (6 H) (S H 258, 20-9-20) G 8254 COMPLETED 20.10.21. STANDARDISATION of CHASSIS PARTS. Description of Parts. Modification to rear axle to allow journal bearing to take the reverse thrust from… | ||
| img106 | Standardisation of chassis parts, replacing R-R grease caps with 'Enots' lubricators. | ||
| View original record | R R 746 (5 H) (S H 268, 10-9-20) G 8364 ORIGINAL COMPLETED 24.11.21 STANDARDISATION of CHASSIS PARTS. Date 19.9.21. X No. 4400. Drawing No. Part List Description of Parts. "ENOTS" LUBRICATORS IN PLACE… | ||
| img107 | Standardisation proposal to replace mica insulated spark plugs with Lodge Steatite Plugs, model Z.22. | ||
| View original record | R R 766 (6 H) (S H 268, 10-9-20) G 894 ORIGINAL COMPLETED - 24.11.21 STANDARDISATION of CHASSIS PARTS. Date 31.10.21. X No.4425 Drawing No. Part List Description of Parts. LODGE STEATITE PLUGS. Model… | ||
| img108 | Standardisation of a rubber joint for the top and side water pipes to avoid leaks developing. | ||
| View original record | R R 768 (A H) (S H 268, 10-2-20) G 2454 ORIGINAL COMPLETED 15.12.21 STANDARDISATION of CHASSIS PARTS. Date: 311021 X No. 3471 Description of Parts. Rubber joint in top water pipe and side water pipe.… | ||
| img109 | Standardisation of a reinforcing plate for fan blades to prevent them from breaking due to fatigue. | ||
| View original record | R R 766 (S H) (S H 268. 19-9-20) G 8/64 COMPLETED 8.2.22 STANDARDISATION of CHASSIS PARTS. Description of Parts. Reinforcing Plate to Fan Blade. Origin. To avoid fan blades breaking. Experimental Test… | ||
| img110 | Cost estimate for fitting reinforcing plates to a 40/50 chassis fan, with a handwritten breakdown of the labour involved. | ||
| View original record | COPY. BY. from Rd. c. to Hs. Hs RECEIVED Rd/Nl/57a/A30.11.21. 40/50 CHASSIS FAN. BY/Mtn4/H17.11.21. The cost without profit for fitting reinforcing plates to existing fan, will be 12/2d per Fan. Cost… | ||
| img111 | Standardisation of chassis parts, specifically ground gears for the gearbox, to improve silence. | ||
| View original record | R R 765 (5 H) (S H 268, 29-9-20) G 8364 ORIGINAL COMPLETED 22.2.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. Ground gears for gear box. Origin. To improve silence of gear boxes. Date… | ||
| img112 | Standardisation of chassis parts, specifically 'Hartford' shock absorbers. | ||
| View original record | R R 766 (S H) (S R 268, 19-9-20) G 9564 ORIGINAL COMPLETED 22.9.22 STANDARDISATION of CHASSIS PARTS. Description of Parts. "HARTFORD" SHOCK ABSORBERS. Origin. To improve riding of car. Experimental… | ||
| img113 | Standardisation of a pilot jet to replace the primer, operated from the instrument board. | ||
| View original record | R R 748 (6 H) IS H 268. 10-9-20) G 2944 ORIGINAL COMPLETED 29.7.22. STANDARDISATION of CHASSIS PARTS. Date 26.6.22. X No.4387/B Description of Parts. Pilot Jet to replace primer - to be operated from… | ||
| img114 | Standardisation of a pilot jet to replace the primer, with feedback on its implementation and a handwritten cost-benefit analysis. | ||
| View original record | Typed Text: COPY. X.4387B - PILOT JET TO REPLACE PRIMER. We attach copy of standardisation sheet in connection with the above experiment. Will you kindly remark upon, sign and return at your earliest… | ||
| img115 | Cost of priming device parts to be superseded by a pilot jet. | ||
| View original record | Wor To Has from My/JW My/JW/N1/139A/M7.7.22. X.4378.B. PILOT JET TO REPLACE PRIMER, TO BE OPERATED FROM INSTRUMENT BOARD. We return herewith copy of above Standardisation Sheet, with Costs filled in.… | ||
| img116 | Standardisation of a modification to the machining of the rear axle thrust housing to produce quieter axles. | ||
| View original record | STANDARDISATION of CHASSIS PARTS Date 11.8.22. X No.4150 Description of Parts. R Modification to machining of Rear Axle Thrust housing. Origin. To assist in producing quiet rear axles. Experimental… | ||
| img117 | Modification to the rear axle thrust housing, involving an alteration to its machining. | ||
| View original record | hs2/LG11.8.22. MODIFICATION TO REAR AXLE THRUST HOUSING. This improvement was pointed out by R-R Springfield We attach copy of letter ref. OY1/G16.3.22. We have fitted up an axle with this… | ||
| img118 | Lateral adjustment of a pinion on Gleason gears, with diagrams showing the pinion before and after adjustment. | ||
| View original record | C O P Y. Rolls-Royce Inc. (America), Springfield, Mass., America. CYL/G16.3.22 Dear Hives, Re. Lateral Adjustment of Pinion on Gleason Gears. X.4150. We notice in the "Automobile Engineer" of October… | ||
| img119 | Axle gear testing, detailing adjustments to reduce noise and improve pinion bedding and lubrication. | ||
| View original record | contd.. -2- As a result of this test it was also proved that this pair of gears, which showed good finish but was noisy, was made silent by adjusting the pinion to give an even bedding. We then… | ||
| img120 | Standardisation of chassis parts report for a side filler for the petrol tank. | ||
| View original record | COMPLETED 6.9.22 STANDARDISATION of CHASSIS PARTS. Date 11.8.22. X No. 3889 Drawing No. Part List Description of Parts. SIDE FILLER FOR PETROL TANK. Origin. To enable petrol to be poured in when… | ||
| img121 | Recommendation to add a side filler to the petrol tank for the 40/50 chassis. | ||
| View original record | Hs3/LG11.8.22. SIDE FILLER FOR 40/50 CHASSIS PETROL TANK. For years our Sales Dept. have been requesting a side filler for the petrol tank in order to enable customers to fill up with petrol when… | ||
| img122 | Standardisation document for Wefco type gaiters for road springs, intended to improve springing. | ||
| View original record | R.R. 768 (S.H.) (S.J. 491. 18-10-21. G. 8987.) ORIGINAL COMPLETED 22.9.22 STANDARDISATION of CHASSIS PARTS. Description of Parts. GAITERS FOR ROAD SPRINGS. ? Type Wefco. Origin. To improve springing.… | ||
| img123 | Cost increase for standardising chassis parts, specifically gaiters for road springs. | ||
| View original record | To Hs. from My/JW. My/JW/N1/139A/M19.8.22. STANDARDISATION OF CHASSIS PARTS. X.NO.3745 - GAITERS FOR ROAD SPRINGS. We return herewith copy of above Standardisation Sheet with Cost filled in, from… | ||
| img124 | Standardisation of a crankcase vent to prevent fumes from entering vehicle bodies. | ||
| View original record | R.R. 775 5 H) (S.J. 291) 1-10-21 G. 3087. ORIGINAL COMPLETED 18.9.22. STANDARDISATION of CHASSIS PARTS. Date 4.9.22. X No. 3908 Description of Parts. CRANKCASE VENT. Origin. To prevent crankcase fumes… | ||
| img125 | The standardisation of chassis parts, returning a costed sheet and noting an order for a die casting. | ||
| View original record | COPY Hs. from MyJW. My/JW/N1/139A/B. 8.9.22. STANDARDISATION OF CHASSIS PARTS :- X.3908. We return herewith copy of above standardisation sheet, with cost filled in. There are approximately 200… | ||
| img126 | Standardisation of an exhaust heated throttle to improve running on low-grade petrol. | ||
| View original record | R.R. 739 (5 H) (S.J. 29). 12-10-21. G. 3057. COMPLETED 5.10.22. STANDARDISATION of CHASSIS PARTS. Date 8.9.22 Description of Parts. ORIGINAL Exhaust heated throttle. Origin. In order to get… | ||
| img127 | Standardisation of an exhaust heated throttle and the value of superseded parts. | ||
| View original record | C O P Y. Hs. from My/JW. My/JW/N1/139A/B.14.9.22. Standardisation of chassis parts - Y.4305H. EXHAUST HEATED THROTTLE..... We return herewith standardisation sheet with cost filled in - The value of… | ||
| img128 | Standardisation proposal for the deletion of security bolts for tyres. | ||
| View original record | R.R. 753 (S H) (S.J. 291. 1v-10-21) G. 3087. COMPLETED 5.10.22 STANDARDISATION of CHASSIS PARTS. ORIGINAL Description of Parts. Deletion of security bolts for tyres. Origin. To avoid tyre failures.… | ||
| img129 | Letter from Dunlop Rubber Co. regarding issues with security bolts on cord tyres. | ||
| View original record | Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. 26th. July 1922. dicated 25th. Service Manager, WB.GG.24.267. Messrs. Rolls-Royce Ltd., Nightingale Rd., Derby. Dear Sirs, For the attention of… | ||
| img130 | Letter from Dunlop Rubber Co. Ltd. recommending the withdrawal of the stipulation for the use of security bolts with cord tyres. | ||
| View original record | contd: -2- contained on pages 23 and 24 of the enclosed booklet - "Dunlop Tyres 1921/22", and also on page 15 of the booklet - "The care of Tyres" enclosed herewith. In addition we have undertaken a… | ||
| img131 | Recommendation to abandon the use of security bolts for tyres, particularly cord tyres. | ||
| View original record | COPY To R. from Hs. c. to CJ. c. to L. c. to Da. c. to BY. c. to LP. Hs3/LG10.8.22. SECURITY BOLTS FOR TYRES X.4050 X.4546. The Dunlop Co. have now followed the lead of the Michelin Co. and are… | ||
| img132 | Use of security bolts with tyres, concluding they are not a guarantee and recommending their discontinuation. | ||
| View original record | contd:- -2- when they have had security bolts fitted. They have communicated with the Dunlop people who have proved that the reason the tyres were coming off was because the tubes were being chafed by… | ||
| img133 | Standardisation document concerning bushes for valve guides to reduce the cost of repairs. | ||
| View original record | R R 766 (6 H) (S H 268, 20-9-20) G 2954 STANDARDISATION of CHASSIS PARTS COMPLETED 5.10.22 Description of Parts. Bushes for Valve Guides. ORIGINAL Date 3.7.22 X No.4432 Drawing No. Part List Origin.… | ||
| img134 | Cost implications of using die-cast valve guides for the 40/50 HP chassis. | ||
| View original record | To Hs. from My/JW. c. Hy. My/JW/H1/M9.8.22./139A. X.4432- 40/50 H.P. CHASSIS VALVES AND VALVE GUIDES We return herewith copy of above standardisation sheet with cost for new production filled in, from… | ||
| img135 | Proposal to use detachable bushes for valve guides on the 40/50 engine to simplify maintenance and reduce costs. | ||
| View original record | He5/LG10.8.22. X.4432 - BUSHES FOR VALVE GUIDES The chief cause of poor slow running on the 40/50 engine is caused by wear in valve guides and to a less degree on valves. At the present time, when the… | ||
| img136 | Cost implications of a modification to the machining of the rear axle thrust housing. | ||
| View original record | My/JW/N1/139a/M12. 8. 22 X.4150 - MODIFICATION TO MACHINING OF REAR AXLE THRUST HOUSING. We return herewith copy of above standardisation sheet, with cost filled in. You will note the small increase… | ||
| img137 | Standardisation report for a Ferodo strip for the bonnet rest to prevent wear and rattles. | ||
| View original record | R.R. 755 (5 H) (S. 29). 1-10-21. G. 3057. COMPLETED 17.10.22 STANDARDISATION of CHASSIS PARTS. Date 5.9.22. Drawing No. X No.4340 Part List Description of Parts. R FERODO STRIP FOR BONNET REST.… | ||
| img138 | Standardisation of Chassis Parts report for a petrol level indicator Tele-Gauge. | ||
| View original record | R.R. 789 (5 B) (S.J. 191, 12-10-21. G. 3087). COMPLETED 15.11.22 ORIGINAL STANDARDISATION of CHASSIS PARTS. Date 2.10.22. X No.3896. Drawing No. Part List Description of Parts. Petrol level indicator-… | ||
| img139 | Standardisation document for fitting Gleason gears to axles on chassis prior to the 1700 series. | ||
| View original record | R.R. 759-5 M (S.J. 191). 19-10-21. G. 3087. ORIGINAL COMPLETED 16.11.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. FITTING GLEASON GEARS TO AXLES ON CHASSIS PRIOR TO 1700. Origin. To… | ||
| img140 | Cost analysis for fitting Gleason gears to axles on chassis prior to number 1700. | ||
| View original record | To Hs. from My/JW. My/JW3/139A/M13.11.22. RE. STANDARDISATION SHEET X.3612 3/11/22. FITTING GLEASON GEARS TO AXLES ON CHASSIS PRIOR TO 1700. We return herewith copy of above Standardisation Sheet. We… | ||
| img141 | Standardisation document for fitting handles to bonnets. | ||
| View original record | R.R. 755 (S H) (S.J. 99), 19-10-21. G. 3087. ORIGINAL COMPLETED 16.11.22. STANDARDISATION of CHASSIS PARTS. Date 19.9.22. X No3421. Drawing No. Part List Description of Parts. Handles to Bonnets.… | ||
| img142 | Standardisation of chassis parts, specifically fixing gudgeon pin bushes in the connecting rod to reduce wear. | ||
| View original record | R.R. 764 (5 H) (S.J. 99), 16-10-21. G. 8087 ORIGINAL COMPLETED 21.11.22. STANDARDISATION of CHASSIS PARTS. 11.11.22. Description of Parts. X No. 3429 Drawing No. Part List GUDGEON PIN BUSHES FIXED IN… | ||
| img143 | Standardisation of a Schrader tyre pressure gauge to be provided with every 40/50 and Goshawk car. | ||
| View original record | R.R. 745 (5 M) (S.J.) /91, 12-10-21. G. 3057. COMPLETED 24.11.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. SCHRADER TYRE PRESSURE GAUGE. ORIGINAL Origin. To enable customers to check… | ||
| img144 | Standardisation of the spring for closing the main throttle when a starter carburetter is fitted for the 40/50 model. | ||
| View original record | R.R. 735 (5 H) (S.J. '20). 15-10-21 G. 3087. ORIGINAL Completed 2.1.23 STANDARDISATION of CHASSIS PARTS. Date 6.12.22. X No. 4390 Drawing No. Part List Description of Parts. SPRING FOR CLOSING MAIN… | ||
| img145 | Standardisation sheet for the spring for closing the main throttle. | ||
| View original record | P. R. 235a (100 T) (S.H 798 10-12-20) G. 2048 TO HS. FROM RS. STANDARDISATION SHEET. SPRING FOR CLOSING MAIN THROTTLE. The above is returned herewith initialled by R. as requested in your… | ||
| img146 | Proposal to replace the standard torsional spring with an extension spring for closing the main throttle. | ||
| View original record | Hsl/LGS.12.22. SPRING FOR CLOSING MAIN THROTTLE WHEN STARTER CARBURETTER IS FITTED. We have had considerable difficulty with the present standard torsional spring in getting the loading of the spring… | ||
| img147 | Standardisation of a leather flap for pedal slots to reduce heat and smell. | ||
| View original record | R R 765 (6 H) (S H 268, 29-9-20) G 2964 COMPLETED 30.1.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Leather flap for pedal slots. Origin. To reduce heat under scuttle and… | ||
| img148 | Standardising a leather flap over pedal slots to reduce heat under the scuttle on the 40/50 Chassis. | ||
| View original record | HS3/LG82.1.23. 40/50 CHASSIS. HEAT UNDER SCUTTLE. Our Sales Dept. have asked us to standardise the leather flap fitted over the pedal slots including the exhaust cut-out pedal on the 40/50. This… | ||
| img149 | Standardisation of chassis parts for a spare wheel carrier in the side position. | ||
| View original record | R R 756 (S H) (S H 268, 20-9-20) G 2954 ORIGINAL COMPLETED 8. 2. 23. STANDARDISATION of CHASSIS PARTS. Date 30.1.23. X No. 4085 Drawing No. Part List Description of Parts. SPARE WHEEL CARRIER FOR SIDE… | ||
| img150 | Standardisation proposal for removing the end threads from piece No. 3233.A. | ||
| View original record | R R 755 (5 H) (S R 208, 20-9-20) G 8354 COMPLETED 28.2.23. STANDARDISATION of CHASSIS PARTS. Date 12.2.23. Description of Parts. REMOVING THE END THREADS FROM PIECE NO. 3233. A. X No. 3324 Drawing No.… | ||
| img151 | Standardisation of chassis parts report for the Crick Valve Lifter. | ||
| View original record | R R 766 (6 H) (S H 268, 29-9-20) G 2564 ORIGINAL COMPLETED 3.3.23. STANDARDISATION of CHASSIS PARTS. Date 15.1.23. Description of Parts. CRICK VALVE LIFTER. Drawing No. X No. 591 Part List Origin. To… | ||
| img152 | Standardisation document for a bracket for the swan-neck exhaust pipe. | ||
| View original record | R R 746 (S H) (S H 268. 20-9-20) G 8534 COMPLETED 5.3.23. STANDARDISATION of CHASSIS PARTS. Date 12.2.23. X No. 4324 Description of Parts. BRACKET FOR SWAN-NECK EXHAUST PIPE. Drawing No. Part List… | ||
| img153 | Standardisation report for a modified valve spring washer. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts. MODIFIED VALVE SPRING WASHER. P At the Camshaft. Origin. Guide to locate washer for valve spring. Experimental Test Report. The proposed washer… | ||
| img154 | Cover memo for a standardisation sheet concerning modified valve spring washers. | ||
| View original record | COPY. To Hs. from My/JW. My/JW/N3/139A/M5.3.25. STANDARDISATION SHEET. X.2764 - MODIFIED VALVE SPRING WASHERS. Receive herewith Standardisation sheet with cost filled in. The old parts have been… | ||
| img155 | Blueprint showing a cross-section of a mechanical component. | ||
| View original record | ", | ||
| img156 | Blueprint showing a cross-sectional view of a mechanical component. | ||
| View original record | SCHEME Nº 479 | ||
| img157 | Blueprint of a proposed new washer for the 40/50 valve spring. | ||
| View original record | E.22630 PROPOSED NEW WASHER. 40/50 VALVE SPRING EXIST | ||
| img158 | Blueprint diagram detailing standard washers. | ||
| View original record | E2824 STD: WASHER G WASHERS. Scheme No 479 ROLLS-ROYCE, LIMITED PRINT ROOM. 2 - MAR 1923 DERBY | ||
| img159 | Standardisation proposal for a light pressed cover on the central bearing of the rear spring. | ||
| View original record | R R 765 (5 H) (S H 258, 29-9-20) G 2964 ORIGINAL COMPLETED 9.3.23 STANDARDISATION of CHASSIS PARTS. Reference: 28/D/23 No: X 2628 Description of Parts: LIGHT PRESSED COVER ON CENTRAL BEARING OF REAR… | ||
| img160 | Standardisation proposal for a light pressed cover on the central bearing of the rear spring. | ||
| View original record | R R 756 (S H) (S H 168, 10-9-20) G 2964 COMPLETED 9.3.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. LIGHT PRESSED COVER ON CENTRAL BEARING OF REAR SPRING. Origin. To prevent oil getting… | ||
| img161 | Blueprint showing a cross-section of a machined part with dimensional annotations. | ||
| View original record | No, OPERATION, MACHINE, TOOL No, PIECE No CAST HERE, .050R, .150, .125, 2.125, 9.300, 3.300 +2 -1, 1.050 +2 -1, .812 +2 -1, 1.750 +2 -1, .300, A, R.R. BDC (89017S)-400. (3. 5. 21.) | ||
| img162 | Blueprint detailing a machined component with manufacturing operations and dimensions. | ||
| View original record | MACHINE, TOOL, TOOL No, OPERATION, .125, .150, .150R, .275 -.10, 1.350, 1.350 +.25 -.25, 1.750 +.25 -.25, 12 HOLES DRILL .266 DIA +.00 -.10, SPOTFACE WITH .600 DIA +.25, CUTTER | ||
| img163 | Process sheet for a sand casting, detailing the pattern number and machining operations. | ||
| View original record | MACHINE TOOL TOOL No CS940 SAND CASTING USE PATTERN G3736 x 3426 501109 DRILL 1.437-5 DIA TAP 1.500 DIA | ||
| img164 | Blueprint detailing the dimensions and specifications for a component with cut-out lettering. | ||
| View original record | ROLLS RO 4 HOLES DRILL .161+.005 DIA. FOR RIVETS. .050R .950R 1.650 +.010 -.010 1.000 +.010 -.010 .700 +.010 -.010 .500 +.002 -.002 1.500 .150 1.150 +.002 -.002 3.000 +.002 -.002 8.900 | ||
| img165 | Blueprint detailing the cross-section and dimensions of a rivetted oil and splash guard. | ||
| View original record | OIL GUARD RIVETTED IN POSITION, SPLASHGUARD RIVETTED IN POSITION, 100R, .275 +.15 -.15, DRILL .515 DIA +.15 -.15, 1.000 DIA, .150, 1.200 RAD, 7.500 RAD, 7.700, 1.650 +.10 -.10, 3.375 +.10 -.10, .250R,… | ||
| img166 | Blueprint showing a cross-section of a threaded mechanical component with dimensions. | ||
| View original record | TAP 1.500 DIA 16 THDS PER 1" R.H. .900 DIA .150 RAD .50 .500 DR | ||
| img167 | Blueprint for a cover for the top of a gear box. | ||
| View original record | REPLACE ALL COPIES OF THIS TRACING IN THE FOLLOWING DEPTS DRAWN BY CHECKED BY: ANC DATE: 18.5.25 TRACED USED ON CHASSIS: 6030 SCALE: V/ HEAT-TREAT: BRINELL 55 - 80 TITLE: COVER FOR TOP OF GEAR BOX… | ||
| img168 | Blueprint showing a cross-sectional view with measurements. | ||
| View original record | SECTION A.B, SECT, ROLLS-ROYCE LTD, PRINT ROOM, 31 MAY 25, .700, 22, 41 | ||
| img169 | Folded blueprint cover showing section and reference markings. | ||
| View original record | CS940 SECTION C D ON A.B. ROLLS-ROYCE LTD PRINT ROOM DERBY 30 MAY 23 | ||
| img170 | Standardisation of Chassis Parts document regarding fixing the radiator 1 inch higher. | ||
| View original record | R.R. 785 (5 M) (S H 268. 10-9-20) G 2234 COMPLETED 24.4.23. ORIGINAL STANDARDISATION of CHASSIS PARTS. Description of Parts. RADIATOR FIXED 1" HIGHER. Date 21.3.23. X No.3726 Drawing No. Part List… | ||
| img171 | Standardisation of the speedometer drive for the 40/50 chassis. | ||
| View original record | R R 755 (5 H) (S H 268, 20-9-20) G 2554 COMPLETED 27.4.23. STANDARDISATION of CHASSIS PARTS. Date 21.3.23 X No.1809 Drawing No. Part List Description of Parts. SPEEDOMETER DRIVE FOR 40/50 CHASSIS.… | ||
| img172 | Returning a standardisation sheet with costs for a 1' higher radiator, detailing cost increases and savings. | ||
| View original record | To Hs. from My/JW. My/JW1/139A/M11.4.23. X.3726 - RADIATOR FIXED 1" HIGHER. We return herewith Standardisation Sheet for above, with the Costs filled in. It will be observed that the increase in Cost… | ||
| img173 | Clarifying the standardisation sheet and cost implications for the 40/50 HP speedometer drive. | ||
| View original record | B.J. Sg3/BM/21.4.23. Re: Speedometer Drive for 40/50 HP. The attached standardisation sheet does not appear to make the matter very clear. I have understood all along (as per ROY3/MG. 22.12.22). that… | ||
| img174 | Standardisation of chassis parts for an oil level indicator. | ||
| View original record | R.R. 755 (5 H) (S.J. 291. 19-10-21. G. 3057.) COMPLETED 26.6.23. STANDARDISATION of CHASSIS PARTS. Date 23.5.23 X No. 3527 Description of Parts. ORIGINAL OIL LEVEL INDICATOR. Drawing No. Part List… | ||
| img175 | Standardisation of a modified control for the butterfly valve in the exhaust pipe. | ||
| View original record | R.R. 784 (5 M.) (S.J.) 291. 1-10-21. G. 3087. ORIGINAL COMPLETED 28.6.23 STANDARDISATION of CHASSIS PARTS. Description of Parts. Modified control for butterfly valve in exhaust pipe. Origin. To… | ||
| img176 | Returning standardisation sheet no. 3527 for an oil level indicator on the 40/50 chassis, with cost implications. | ||
| View original record | To Hs. from My/JW. My/JW2/139A/M4.6.23. STANDARDISATION SHEET NO.3527. OIL LEVEL INDICATOR - 40/50 CHASSIS. We return herewith above-noted Standardisation Sheet with the Costs filled in. With regard… | ||
| img177 | Standardisation report for Jeavons Gaiters for Springs as an alternative to the 'Wefco' part. | ||
| View original record | R.R. 749 (5 H) (S.J. 191) 12-10-21. G. 3087. ORIGINAL COMPLETED 30.6.23 STANDARDISATION of CHASSIS PARTS. Date 5.6.23 X No. 3745 Description of Parts. JEAVONS GAITERS FOR SPRINGS. 20 HP. CHASSIS.… | ||
| img178 | Standardisation of an oil filler plug for the gear box. | ||
| View original record | R.R. 748 (5 H) (S.J. 397. 1v-10-21) G. 3037. ORIGINAL COMPLETED 7. 7. 23 STANDARDISATION of CHASSIS PARTS. Description of Parts.: OIL FILLER PLUG FOR GEAR BOX. Origin.: To facilitate filling up with… | ||
| img179 | Standardisation of Dunlop wire wheels with straight spokes on the inside. | ||
| View original record | R.R. 753 (5 H) (S.J. 291. 12-10-21) G. 2027. ORIGINAL COMPLETED 13.7.23. STANDARDISATION of CHASSIS PARTS. Date 2.7.23 X No. 3982 Description of Parts. DUNLOP WIRE WHEELS WITH STRAIGHT SPOKES ON THE… | ||
| img180 | Standardisation of Dunlop wire wheels with straight spokes on the inside. | ||
| View original record | To Hs. from My/JW. My/JW/N2/139A/M3-7-23. X.No.3892 - DUNLOP WIRE WHEELS WITH STRAIGHT SPOKES ON THE INSIDE. We return herewith copy of above Standardisation Sheet. There will be no difference in Cost… | ||
| img181 | Standardisation of chassis parts concerning valves to overcome exhaust failures. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.8.23 STANDARDISATION of CHASSIS PARTS. Date 16.8.23. Description of Parts. VALVES. [Stamp: ORIGINAL] Origin: To overcome exhaust valve failures.… | ||
| img182 | Returning a Standardisation Sheet for valves, including costs and stock value. | ||
| View original record | Hs. My/JW/N3/139A/M22-8-23. X.No.2764 - Valves. We return herewith copy of the above Standardisation Sheet, with Costs filled in. The value of finished and unfinished parts in stock at 21/8/23 is:-… | ||
| img183 | Standardisation sheets for valves, exhaust pipes, and undershields. | ||
| View original record | To Hs. from BJ. (Handwritten in circle: Hs) (Handwritten: X 2764) BJ20/H30.8.23. STANDARDISATION SHEETS. I am enclosing standardisation sheets as follows:- X.2764. Valves. To overcome exhaust valve… | ||
| img184 | Standardisation document for the isolation of the scuttle from the dashboard to avoid booming and vibrations. | ||
| View original record | R.R. 755 (5 M) (S.J. 191) 12-10-21) G. 3057. COMPLETED 8.9.23 STANDARDISATION of CHASSIS PARTS. [Stamp: ORIGINAL] Description of Parts: ISOLATION OF SCUTTLE FROM DASHBOARD. Origin: To avoid booming… | ||
| img185 | Scuttle separation on 40/50 HP bodies, referencing a Coachbuilders sub-committee meeting and blueprint No.703B. | ||
| View original record | COPY. S/W. Hn12/MH25.6.23. RE SCUTTLE SEPARATION. BY4/P13.6.23. I give you below an extract from the minutes of the meeting of the Coachbuilders sub-committee, held on the 21th inst., at which were… | ||
| img186 | Extract from the Coachbuilding Sub-Committee minutes regarding scuttle separation. | ||
| View original record | S/W. (BY) COPY. Hn5/LH17.7.43. SCUTTLE SEPARATION. I give you below an extract from the Minutes of the Meeting of the Coachbuilding Sub-Committee held on the 11th inst., at which were present LHS.(in… | ||
| img187 | Sectional view showing a proposed separation of the scuttle from the dashboard. | ||
| View original record | BONNET ALUMINIUM STRIP BONNET REST SCUTTLE IRON BODY PANEL SCUTTLE FRAMING DASHBOARD STEEL PLATE TO STRENGTHEN SCUTTLE CHANNEL TO RUN WATER AWAY SECTIONAL VIEW SHOWING PROPOSED SEPARATION OF SCUTTLE… | ||
| img188 | Standardisation proposal for a bracket fixed to the frame to carry a luggage grid. | ||
| View original record | COMPLETED 14.9.23. STANDARDISATION of CHASSIS PARTS. Date 5.9.23. X No.3507 Drawing No. Part List Description of Parts. BRACKET FIXED TO FRAME TO CARRY LUGGAGE GRID. Origin: To avoid Coachbuilders… | ||
| img189 | Standardisation of chassis parts, specifically steering levers and ball ends, with a corresponding cost sheet and stock value. | ||
| View original record | Hs. My/JW/N1/139A/M19-9-23. STANDARDISATION OF CHASSIS PARTS. X.NO.3418 - STEERING LEVERS AND BALL ENDS. Receive herewith Standardisation Sheet X.No.3418, with Cost filled in. The value of stock on… | ||
| img190 | Standardisation of chassis parts, specifically steering levers and ball ends. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 24.9.23. STANDARDISATION of CHASSIS PARTS. Date 30.8.23. Drawing No. 3418 Part List Description of Parts: STEERING LEVERS AND BALL ENDS. Origin: To… | ||
| img191 | Standardisation proposal to cancel the fitting of the exhaust cut-out. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 17.10.23. STANDARDISATION of CHASSIS PARTS. Date 26.9.23. No. 3595 Description of Parts. CANCELLING EXHAUST CUT-OUT. Origin: To avoid unnecessary… | ||
| img192 | Standardisation proposal for changing the bolts fixing the water pump to studs. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 17.10.23. STANDARDISATION of CHASSIS PARTS. Date 26.9.23. X No. 3472 Drawing No. Part List Description of Parts. BOLTS FIXING WATER PUMP. Origin To… | ||
| img193 | Standardisation of the epicyclic gear-case for the starter motor to increase dynamo belt clearance. | ||
| View original record | R.R. 758 (10M) (SL 72 18-7-23) MP 274954a. COMPLETED 18.10.23 STANDARDISATION of CHASSIS PARTS. Date 26.9.23. X No. 3333 Drawing No. Part List Description of Parts. EPICYCLIC GEAR-CASE FOR STARTER… | ||
| img194 | Standardisation of a rear spring shackle to provide more wearing surface. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 18.10.23. STANDARDISATION of CHASSIS PARTS. Date 26.9.23. Description of Parts. REAR SPRING SHACKLE. Origin: To provide more wearing surface.… | ||
| img195 | Standardisation document for a washer for the steering box stud. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954a. COMPLETED 18.10.23. STANDARDISATION OF CHASSIS PARTS. Date 26.9.23. Description of Parts. WASHER FOR STEERING BOX STUD. X No.3465 Drawing No. Part List… | ||
| img196 | Standardisation of chassis parts, proposing a change from steel plated bolts to nickel-silver bolts for the bonnet catch and handle. | ||
| View original record | R.R. 75B (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Date 25.9.23. Description of Parts. BOLTS FOR BONNET CATCH AND HANDLE. Origin To avoid damage of close… | ||
| img197 | Standardisation of chassis parts document, proposing the use of standard nuts on the engine coupling. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Date 3.10.23. Description of Parts: NUTS ON ENGINE COUPLING. Origin: To use standard pieces.… | ||
| img198 | Standardisation of chassis parts for the starter gear in the gear box. | ||
| View original record | R.R. 758 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Date 3.10.23. Description of Parts. STARTER GEAR IN GEAR BOX. X No. 3333 Origin To facilitate… | ||
| img199 | Standardisation of adjusting washers on the selector lock in the gear box. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954a. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. Adjusting washers on selector lock in Gear Box. Origin. To facilitate production.… | ||
| img200 | Standardisation proposal to add a collar to the steering wheel spokes to improve its finish. | ||
| View original record | R.T. 755 (10M) (SL 72 18-7-23) MP 274954a. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS Date 25.9.23. Description of Parts. STEERING WHEEL. Origin: To improve finish. [STAMP: ORIGINAL] X No.… | ||
| img201 | Standardisation of chassis parts, specifically an alteration to taper bolts fixing steering levers to pivots. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. ORIGINAL. Date 24.9.23. X No. 3441 Description of Parts. Alteration to TAPER BOLTS FIXING STEERING… | ||
| img202 | Standardisation of chassis parts, specifically a modification to the pedal plate on floorboards to reduce heat under the scuttle. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts. PEDAL PLATE ON FLOORBOARDS. [X] No. 3450 Drawing No. Part List… | ||
| img203 | Standardisation document for changing bonnet strip fixing screws on 20HP and 40/50HP chassis. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. 20 HP. and 40/50 HP. CHASSIS. SCREWS FIXING BONNET STRIPS. DAE Date 24.9.23. X… | ||
| img204 | Standardisation document for an oil pump cover, improving the design by making it stiffer. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 27.10.23. STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts. OIL PUMP COVER. Origin: To improve design. Experimental Test… | ||
| img205 | Standardisation proposal for lubricators on axle brake brackets to make them more accessible. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. COMPLETED 27.10.23. STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts. LUBRICATORS ON AXLE BRAKE BRACKETS. DA/E X No. 3898 Origin To make… | ||
| img206 | Standardisation of chassis parts concerning dash bracket bolts. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. STANDARDISATION of CHASSIS PARTS. COMPLETED 29.10.23. Date 24.9.23. Description of Parts. DASH BRACKET BOLTS. ORD/FINAL Drawing No. 3469 Origin To increase… | ||
| img207 | Standardisation of a chassis part, the thermometer tube shield, to avoid a sharp bend. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.10.23. STANDARDISATION of CHASSIS PARTS. Date 4.10.23. Description of Parts. THERMOMETER TUBE SHIELD. Origin To avoid sharp bend in tube.… | ||
| img208 | Standardisation document for the front shock absorber link to improve lubrication. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.10.23. STANDARDISATION of CHASSIS PARTS. Date 3.10.23 [X] No. 3461 Drawing No. Part List Description of Parts: FRONT SHOCK ABSORBER LINK.… | ||
| img209 | Standardisation of a Piston Pin Locking Screw to improve the design by adding extra clearance. | ||
| View original record | R.R. 755 (1M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.10.23. STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts: PISTON PIN LOCKING SCREW. Origin: To improve design. Experimental… | ||
| img210 | Standardisation of the grinding of pistons for 40/50 HP and 20 HP chassis. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.10.23. STANDARDISATION of CHASSIS PARTS. Date 4.10.23. Description of Parts. 40/50 HP. AND 20 HP. CHASSIS. GRINDING OF PISTONS. Drawing No. 2748… | ||
| img211 | Standardisation proposal for an oil filler on the rear axle to improve accessibility. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 2.11.23. STANDARDISATION of CHASSIS PARTS. Date 8.10.23. Description of Parts. OIL FILLER ON REAR AXLE. Origin To improve accessibility.… | ||
| img212 | Standardisation of a steering box with more room to avoid hand-work and facilitate production. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 2.11.23. STANDARDISATION of CHASSIS PARTS. Date 25.9.23. X No. 3465 Description of Parts. STEERING BOX WITH MORE ROOM TO AVOID HAND-WORK. Origin.… | ||
| img213 | Standardisation of chassis parts, specifically a friction washer for pivots. | ||
| View original record | R.R. 75S (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 2.11.23. STANDARDISATION of CHASSIS PARTS. Date 4.10.23. Description of Parts: FRICTION WASHER FOR PIVOTS. Origin: To increase amount of friction.… | ||
| img214 | Standardisation report for increasing the thickness of bolts holding the front end of the torque tube. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. COMPLETED 3.11.23. STANDARDISATION of CHASSIS PARTS. Date 26.9.23. Description of Parts. BOLTS HOLDING FRONT END OF TORQUE TUBE. Origin To increase strength.… | ||
| img215 | Standardisation proposal to improve the design of the engine coupling. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. X3435 COMPLETED 3.11.23. STANDARDISATION of CHASSIS PARTS. Date 8.10.23. Description of Parts. ENGINE COUPLING. Drawing No. X 3435 Part List Origin: To… | ||
| img216 | Standardisation of chassis parts, changing the material of knobs on control levers from ebonite to bakelite. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. STANDARDISATION of CHASSIS PARTS. COMPLETED 3.11.23. Date 3.10.23. Description of Parts. KNOBS ON CONTROL LEVERS. Origin. To facilitate production.… | ||
| img217 | Standardisation proposal to cancel the covers for thrust bearings on engine gears. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. COMPLETED 3.11.23. STANDARDISATION of CHASSIS PARTS. Date 3.10.23. Description of Parts. COVERS FOR THRUST BEARINGS ON ENGINE GEARS. TO BE CANCELLED. Origin:… | ||
| img218 | Standardisation of engine mounting dampers to reduce vibrations. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 6.11.23. STANDARDISATION of CHASSIS PARTS. Date 25.10.23. Description of Parts. ENGINE MOUNTING DAMPERS. Origin. To reduce vibrations. Experimental… | ||
| img219 | The costs associated with Engine Mounting Dampers for 40/50 Cars. | ||
| View original record | Hs. My/JW/N1/139A/M30-10-23. X.No.4604 - Engine Mounting Dampers. We return herewith above Standardisation Sheet with Costs filled in. Please note that the £2- 3- 0 increased Cost applies only to… | ||
| img220 | Standardisation proposal for an oil guard for the universal joint to prevent oil leaks. | ||
| View original record | R.R. 752 (10M) (SL 72 16-7-23) MP 274954s. COMPLETED 27.11.23. STANDARDISATION of CHASSIS-PARTS. Date 30.10.23 X No. 3324 Drawing No. Part List Description of Parts. OIL GUARD FOR UNIVERSAL JOINT.… | ||
| img221 | Standardisation of material for valves on 40/50 HP and 20 HP chassis to increase life. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. ORIGINAL COMPLETED 28.11.23. STANDARDISATION of CHASSIS PARTS. Date 30.10.23. Description of Parts. 40/50 HP. AND 20 HP. CHASSIS. MATERIAL FOR VALVES.… | ||
| img222 | Standardisation of chassis parts, proposing locking nuts with grover washers to replace riveting on frame fittings. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 19.12.23. STANDARDISATION of CHASSIS PARTS. Date 28.11.23. Description of Parts. Locking nuts of Frame Fittings by means of grover washers in place… | ||
| img223 | Standardisation of an improved steering wheel design for chassis parts. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Date 8.12.23. X No. 3465 Description of Parts: STEERING WHEEL. Drawing No. Part List Origin: Improved… | ||
| img224 | Modification to the pipe to the air pump to prevent petrol flooding. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Date 7.12.23. X No. 3454 Description of Parts. MODIFICATION TO PIPE TO AIR PUMP. Origin To prevent… | ||
| img225 | Standardisation proposal for a distance piece in gearbox G.2145 to reduce cost. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954x. COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Date 7.12.23. Description of Parts. DISTANCE PIECE IN GEARBOX G.2145. X No. 3426 Origin: To reduce cost.… | ||
| img226 | Standardisation proposal for the mounting of the petrol tank to delete unnecessary parts. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. ORIGINAL COMPLETED 10.1.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. MOUNTING OF PETROL TANK. Origin: To delete unnecessary parts.… | ||
| img227 | Standardisation document for aluminium pistons for repair cars. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. [STAMP] ORIGINAL COMPLETED - 25.2.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. ALUMINIUM PISTONS FOR REPAIR CARS. Origin: To improve design.… | ||
| img228 | Standardisation report on providing steel artillery wheels as an alternative to wire wheels. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. ORIGINAL COMPLETED 4.3.24. STANDARDISATION of CHASSIS PARTS. Description of Parts: STEEL ARTILLERY WHEELS. Origin: To provide alternative to wire wheels.… | ||
| img229 | Standardisation proposal for road springs on 40/50 HP and 20 HP models to suit bad roads abroad. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts: ROAD SPRINGS. 40/50 HP. AND 20 HP. Origin: To suit bad roads abroad. Experimental Test Report. We frequently receive complaints of road springs… | ||
| img230 | Standardisation of chassis parts to replace the petrol funnel with a 'Liquall' petrol filler for 40/50 and 20 HP chassis. | ||
| View original record | R.R. 755 (10M) (SL 72 18-7-23) MP 274954s. COMPLETED 4.3.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. 'LIQUALL' PETROL FILLER, 40/50 AND 20 HP. CHASSIS. Origin. To replace the petrol… | ||
| img231 | Standardising a replacement 'Liquall' petrol filler, with remarks from multiple individuals. | ||
| View original record | STANDARDISATION of CHASSIS PARTS Ref. No. X /147 Date: 12.1.24 Description of Part: 'LIQUALL' PETROL FILLER. 80 and 90 H.P. CHASSIS. Object: To replace the petrol funnel. Reason for Report:… | ||
| img232 | Standardisation report for Firths springs as a new source of supply. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 COMPLETED 9.5.24 STANDARDISATION of CHASSIS PARTS. Description of Parts. FIRTHS SPRINGS. Date 9.4.24 X No. 2626 Drawing No. Part List Origin. Further source of… | ||
| img233 | Bump test results for Firths road springs, comparing 43' and 42' springs and discussing standardisation. | ||
| View original record | 9.4.24. FIRTHS ROAD SPRINGS. The bump test results show that the 43" springs made by Firths with the Woodhead type clips are running on the average 30% longer than the 42" springs, either Woodheads or… | ||
| img234 | Standardisation of chassis parts concerning the Autovac petrol feed. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 COMPLETED 22.5.24. STANDARDISATION OF CHASSIS PARTS. Date 8.5.24. Description of Parts. AUTOVAC PETROL FEED. Origin. To improve design. X No. 3579 Drawing No.… | ||
| img235 | Standardisation proposal for gauze in petrol filters for 40/50 and 20 HP models. | ||
| View original record | RR 755 (10M) (SL391 2.11.23) MP 281297 COMPLETED 24.5.24. ORIGINAL STANDARDISATION of CHASSIS PARTS. Date 15.4.24. X No. 3701 Drawing No. Part List Description of Parts. GAUZE FOR PETROL FILTERS.… | ||
| img236 | Standardisation of chassis parts for front springs, brackets, and shackles to suit front wheel brakes. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 COMPLETED 5.6.24. STANDARDISATION of CHASSIS PARTS. Date 12.5.24. Description of Parts. FRONT SPRINGS, BRACKETS, AND SHACKLES. X No. 2628 Origin. To suit front… | ||
| img237 | Standardisation sheet for a steering wheel. | ||
| View original record | To R. and E. from Hs/LG. To CJ. and BJ. RG. WOR DA. BY EP. PN. EWT. TR. WD. HM. ORIGINAL Hs/LG21.6.24. STANDARDISATION SHEET - X.3465 STEERING WHEEL. The above std. sheet is now completed. Will you… | ||
| img238 | Standardisation report and approval for an improved steering wheel design. | ||
| View original record | RR 755 (10M) (SL391 2.11.23) MP 281297 COMPLETED 21.6.24. STANDARDISATION of CHASSIS PARTS. Date 8.12.23. Drawing No. X No. 3465 Part List Description of Parts: STEERING WHEEL. Origin: Improved… | ||
| img239 | Standardisation of chassis parts for a shorter change speed lever. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 COMPLETED 10.7.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. SHORTER CHANGE SPEED LEVER. Origin. To suit coachwork. Experimental Test Report. The… | ||
| img240 | Standardisation of chassis parts, changing from cast iron to bronze valve guides to reduce wear. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 COMPLETED 5.9.24. STANDARDISATION of CHASSIS PARTS. Date 21.8.24 X No. 2764 Drawing No. Part List Description of Parts. BRONZE VALVE GUIDES IN PLACE OF CAST… | ||
| img241 | Cover note for a report comparing the wear on P.B. valve guides with cast iron guides after 12,000 miles. | ||
| View original record | 21.8.24. 40/50 VALVES AND VALVE GUIDES. X.2764 We attach a report in connection with P.B. Valve Guides fitted to a car which has run 12,000 miles in France. At the same time we had another car running… | ||
| img242 | The wear of valves and guides after a 10,000-mile test, comparing broached and reamed finishes and tabulating measurements. | ||
| View original record | To Hs. from RHC. RHC3/LS.20.8.24. RE - VALVES & GUIDES ON 98 NK. We have examined the Valves and Valve Guides (made in Phos: Bronze) which were fitted to the above Car for 10,000 mile Test. The Valve… | ||
| img243 | Standardisation of chassis parts, specifically regarding the use of Firths 'Silchrome' steel for valves. | ||
| View original record | RR 752 (10M) (SL391 2-11-23) MP 261297 COMPLETED 8.9.24. STANDARDISATION of CHASSIS PARTS. Date 21.8.24. Description of Parts. FIRTHS 'SILCHROME' STEEL FOR VALVES. No. 4634 Origin. To improve design.… | ||
| img244 | Standardisation of a reverse pinion in a gearbox to allow for grinding. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 COMPLETED 16.10.24. STANDARDISATION of CHASSIS PARTS. Date 25.9.24. Description of Parts. REVERSE PINION IN GEARBOX. X No. 3311 Drawing No. Part List Origin. To… | ||
| img245 | Standardisation document for four-wheel brakes. | ||
| View original record | RR 755 (10M) (SL381 2-11-23) MP 261297 COMPLETED 26.11.24. STANDARDISATION of CHASSIS PARTS. Date 15.7.24. Description of Parts. FOUR WHEEL BRAKES. [X] No. 9940 Drawing No. Part List Origin. To… | ||
| img246 | 10,000-mile brake test conducted in France. | ||
| View original record | R.E. 495A (20M) (D.A. 652 20-2-24) J.H.D. EXPERIMENTAL REPORT Expl. No. 9940 / 9941 REF: Hs7/LG18.7.24 To R. from Hs. c. to CJ. RG. c. to DA. E. c. to Wor. BY. c. to EP. PN. S E C R E T. 10,000 MILES… | ||
| img247 | Front spring failures and safety concerns with braking and steering on the 40/50 HP car. | ||
| View original record | R.R. 405A (20H) (D.A. 652 20-3-24) J.R.D. -2- EXPERIMENTAL REPORT. Expl. No. 9941 9940 REF: Hs7/LG18.7.24. due to the complete instructions given on the WW. scheme for the oil catcher on the front… | ||
| img248 | Brake wear and steering spring performance. | ||
| View original record | R.B. 495A (20H) (D.A. 652 29-3-24) J.E.D. -3- 9941 Expl. No. 9940 REF: Hs7/LG18.7.24. EXPERIMENTAL REPORT. adjustment was taken up on the front brakes. There was approximately three times the amount… | ||
| img249 | Modifications to the engine, guards, and addressing servo gear noise. | ||
| View original record | R.E. 426a (20H) (D.A. 652 20-3-24) J.H.D. -4- EXPERIMENTAL REPORT. 9940 Expl. No.9941 REF: HS7/LG1 8.7.24. ENGINE MODIFICATIONS. There has been no trouble with the dynamo, dynamo drive, or magneto… | ||
| img250 | Standardisation report for Firths front springs for 4-wheel brake cars, to improve design. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 9.1.25. STANDARDISATION of CHASSIS PARTS. Date 15.12.24. Description of Parts. FIRTHS FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. Origin. To improve… | ||
| img251 | The standardization sheet and pricing for Firth's front springs for 4-wheel brake cars. | ||
| View original record | To hs. from My/Rms. My/Rms4/N/139A/BJ16.12.24. X.9410 FIRTH'S FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. We return herewith standardisation sheet. Until the price of these springs has been ascertained in… | ||
| img252 | Standardisation of steel artillery wheels suitable for front wheel brakes. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 28.4.25. STANDARDISATION OF CHASSIS PARTS. Date 20.3.25 X No. 4586 Drawing No. Part List Description of Parts. STEEL ARTILLERY WHEELS -… | ||
| img253 | Standardisation of the front brake cam operating shaft, lightened to reduce wear on bushes. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 261297 [STAMP] ORIGINAL COMPLETED 11.5.25. STANDARDISATION of CHASSIS PARTS. Date 23.4.25. Description of Parts. FRONT BRAKE CAM OPERATING SHAFT. Origin. Lightened to… | ||
| img254 | Standardisation of scuttle and dash isolation for the 40/50 chassis. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 COMPLETED 3.6.25. STANDARDISATION of CHASSIS PARTS. Date 12/5/25. X No. 1000. Drawing No. H.Sch.190. Description of Parts. SCUTTLE AND DASH ISOLATION. 40/50… | ||
| img255 | Approval signature sheet for the standardisation of coachwork features. | ||
| View original record | STANDARDISATION OF COACHWORK FEATURES TABLE: COLUMN 1: SIGNATURE ROW 1: LORD HERBERT SCOTT for C.S.C. ROW 2: MR. EVERNDEN for LEADING COACH-BUILDERS. COLUMN 2: DATE ROW 1: 15/5/25 ROW 2: 25/5/25… | ||
| img256 | Standardisation sheet proposing a total isolation scheme for the 'V' series scuttle. | ||
| View original record | WW. 12.5.25. STANDARDISATION SHEET. 'V' SERIES SCUTTLE ISOLATION. A previous standardisation sheet has been circulated for the standardisation of a semi-flexible isolation between the scuttle and the… | ||
| img257 | Standardisation approval sheet for a design improvement to the 'V' Series EAC Chassis. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 7.7.25 STANDARDISATION of CHASSIS PARTS. Date 15.6.25. X No. 8770 Description of Parts: 'V' SERIES - EAC. CHASSIS. Origin: To improve design.… | ||
| img258 | Standardisation of chassis parts, specifically steering pivot pins and bushes, to reduce wear. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 7th. Oct. 1925. STANDARDISATION of CHASSIS PARTS. Date 10.9.25. Description of Parts. STEERING PIVOT PINS AND BUSHES. No. 8430 Origin. To… | ||
| img259 | Standardisation of chassis parts, specifically the cross steering levers. | ||
| View original record | COMPLETED 10.10.25. STANDARDISATION of CHASSIS PARTS. Description of Parts. CROSS STEERING LEVERS. Origin. To enable well-base rims to be used. Experimental Test Report. These levers were fitted to… | ||
| img260 | Standardisation of the low speed jet control cone for the Phantom. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 STAMP: ORIGINAL STAMP: COMPLETED 30.10.25 STANDARDISATION of CHASSIS PARTS Date 14.10.25 X No. 8080 (struck through) 8240 Drawing No. Part List Description of… | ||
| img261 | Standardisation document for a modified exhaust silencer intended to reduce noise. | ||
| View original record | RR 755 (10M) (BL391 2-11-23) MP 261297 ORIGINAL. COMPLETED 10.12.25 STANDARDISATION of CHASSIS PARTS. Date 2.12.25. No. 8230 Description of Parts. MODIFIED EXHAUST SILENCER. Origin. To reduce amount… | ||
| img262 | Standardisation of Chassis Parts regarding Lodge Detachable Plugs. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 2.12.25. STANDARDISATION of CHASSIS PARTS. Description of Parts. LODGE DETACHABLE PLUGS. Origin. Improvement in design. Experimental Test… | ||
| img263 | The standardisation of a modified exhaust silencer and its associated costs. | ||
| View original record | ORIGINAL. To Hs from My/Rns. My/Rns7/N/139/EJ.22.12.25. c. to Ey Standardisation of Chassis Parts. Modified Exhaust Silencer. X.No.8230. We return herewith standardisation Sheet No.8230 showing the… | ||
| img264 | Standardisation of chassis parts for modified connecting rod bearings. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 22.12.25 STANDARDISATION of CHASSIS PARTS. Date 10.12.25 X No. 8030 Description of Parts. MODIFIED CONNECTING ROD BEARINGS. Origin. To… | ||
| img265 | Standardisation of a slipper wheel fitted with dowel pegs to improve reliability. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 ORIGINAL COMPLETED 22.12.25 STANDARDISATION of CHASSIS PARTS. Date 10.12.25 No. 8300 Description of Parts: SLIPPER WHEEL FITTED WITH DOWEL PEGS. Origin: To… | ||
| img266 | Standardisation of the cutout operating mechanism for chassis parts to improve reliability. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP ORIGINAL COMPLETED 23.12.25 STANDARDISATION of CHASSIS PARTS. Description of Parts. CUTOUT OPERATING MECHANISM. Origin. To improve reliability. Experimental Test… | ||
| img267 | Standardisation proposal for replacing leather with metal covers for rear brake adjustment. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 ORIGINAL COMPLETED 30.12.25. STANDARDISATION of CHASSIS PARTS Description of Parts: METAL COVERS FOR REAR BRAKE ADJUSTMENT. Date: 10.12.25. X No. 8360 Origin: To… | ||