Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Request for sprung and unsprung axle weights for Goshawk 11 open and limousine cars to develop a spring scheme. | ||
| View original record | [Stamp: RECEIVED H.S. JAN 1922] [Handwritten: From BY.] [Handwritten, crossed out: c.c. Mr Booth.] [Handwritten: x4538 2] [Typed: BY4-P27.1.22.] [Typed, underlined in red: GOSHAWK 11.] [Handwritten:… | ||
| scan0002 | Request for the complete weight of a 5-Goshawk-II car and feedback on its performance during a run to London. | ||
| View original record | Hy. from EP. X4538 [crossed out] X4538 X4086 EP5/LG21.3.22. Could you let us know the complete weight of 5-Goshawk-II in running condition ready for the road, less passengers. This weight, I take it,… | ||
| scan0003 | Comparison of the weights of complete Goshawk cars and the front axle weights of 40/50 HP and Goshawk-11 models. | ||
| View original record | X4538 To F. [redacted] c. to GR. c. to E. c. to D. c. to BY c. to HP. Hs7/LG14.6.22. GOSHAWK 11. WEIGHTS. X4538 Below are weights of complete Goshawk cars, also comparison of front axle weights of… | ||
| scan0004 | Weight specifications for Goshawk models with Mulliner, Maythorn, and Hooper bodies. | ||
| View original record | GOSHAWK WEIGHTS. 2-Goshawk-11. Mulliner open touring body, hood, windscreen, one wheel spare at back, full up petrol, oil and water - | | Front | Rear | Total | |---|---|---|---| | No passengers |… | ||
| scan0005 | Comparison of front axle weights between the 40/50 HP and the Goshawk II models. | ||
| View original record | COMPARISON OF 40/50 AND GOSHAWK II. FRONT AXLE WEIGHTS. 40/50 H.P. | Goshawk-II. Weight of axle, wheels springs, all unsprung weight. 330 lbs. | 260 lbs. Average sprung weight on front axle. 1900 to… | ||
| scan0006 | The weights required to operate the Goshawk de-clutching lever. | ||
| View original record | Mr. Hives. from TMW. X4538 11.9.22. RE. GOSHAWK DE-CLUTCHING LEVER G.50249. Below are the figures showing weight taken to depress foot lever so that the trunnion moves 5/8" on the shaft :- G.50249 -… | ||
| scan0007 | Weight specifications for the Goshawk model, including body weight, passenger load, and the required adjustment of springs. | ||
| View original record | X4538 BJ. c. to R. c. to Hs. c. to CJ. c. to PN. c. to C. c. to Wor. c. to BY. c. to Cx. EPL/H18.9.22. GOSHAWK WEIGHTS X.3730. X4261 X4538 With reference to your BJ17/H15.9.22, referring to Para. 8 of… | ||
| scan0008 | Urgent internal memo requesting specific weight details for the Goshawk chassis. | ||
| View original record | TO Hs. FROM Ev. (AT W.W.) RE. CHASSIS WEIGHT. - GOSHAWK. We urgently need the chassis weight of Goshawk, taken as given below, - to enable R' to fix the maximum body weight. Will you please fill in… | ||
| scan0009 | Weight of the Goshawk chassis and its various components. | ||
| View original record | To D/Ev. from Hs. c. to Da. c. to E. X4538 Hs2/LG22. 9.22. GOSHAWK WEIGHTS. X.4538. X3594 With reference to your memo. asking for chassis weight of Goshawk. The weight of one of the standard… | ||
| scan0010 | Maximum car weights and spring specifications for the Goshawk model. | ||
| View original record | V4538 To BY. from Da/Ev. c. to R. C. Hs. EP. c. to LHS. for Sp. and HO. Da/Ev4/M5.10.22. RE. GOSHAWK CAR WEIGHTS AND SPRINGS X.4261. X.4538. Mr. Royce is very anxious that we should not overtax the… | ||
| scan0011 | Vital importance of weight saving in chassis and body design. | ||
| View original record | Contd:- -2- by R. if at all possible, and every ounce of weight saved is of vital importance. Much expense is incurred in keeping the chassis light, and this will be wasted effort if all the weight… | ||
| scan0012 | Weight distribution list for chassis spare parts, detailing front, rear, and total weights in pounds (LBS). | ||
| View original record | -1- CHASSIS SPARES. FRONT. REAR. TOTAL LBS. LBS. LBS. LAMPS. 2 head 9½ - 9½ 2 side 2 ½ 2 1 tail - 1 1 1 instrument board lamp } 1 1 1 1 inspection lamp } spare bulbs in case. ½ Clock. ½ ½ 1 Dunlop… | ||
| scan0013 | Specification sheet detailing the weight distribution for various car bodies and passenger configurations. | ||
| View original record | (2) BODIES. The weight of the body is to include wings, valances, running boards and (wheel carrier on near side and luggage grid if any.) Maximum weight to be 1,000 lbs. approx: BODY WEIGHTS. FRONT… | ||
| scan0014 | Breakdown of maximum and minimum car weights, detailing front, rear, and total pounds for various components. | ||
| View original record | (3) Maximum car. FRONT LBS. REAR LBS. TOTAL LBS. Standard chassis with 4 tyres, battery, spare wheel carrier, step irons, instruments (except clock and speedometer and gauge lamp, and) dummy switch. }… | ||
| scan0015 | Calculation sheet for car spring loads, detailing maximum, minimum, and proposed ranges. | ||
| View original record | (4) SPRINGING OF CARS. We propose to spring for all the fixed weights and for 50% of the variable weight (full load) for rear springs. MAXIMUMSPRING. Front axle and spring - 260 lbs. Rear axle and… | ||
| scan0016 | Weight limitations for the Goshawk model and the terms of the associated guarantee. | ||
| View original record | To BJ. from R. c. to CJ. Wor. BY. c. to Da. Hs. EP. X4538 R2/M16.11.22.& RE. GOSHAWK WEIGHTS. X.4538. I understood that this question was settled. The weight I gave was that the total car with… | ||
| scan0017 | Continuation page concerning front axle weight limits and referencing an attached document on Goshawk weights. | ||
| View original record | contd:- -2- brakes, i.e. not more than 16 cwt. should fall on the front axle. A copy of Da/Ev4/M5.10.22 (Hs. you already have a copy of this) is attached herewith, which gives much valuable… | ||
| scan0018 | Correcting previously supplied Goshawk chassis weights and discussing guaranteed weight. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da/Ev. c. to BY. c. to PN. X4538 Hs4/LG20.11.22. GOSHAWK WEIGHTS. X.4538. X200 We regret that the Goshawk weights given in our memo. Hs2/LG22.9.22 have proved… | ||
| scan0019 | Comparison of the Goshawk and 40/50 models focusing on displacement per ton per mile. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 contd:- -2- It will be seen that based on displacement per ton per mile the Goshawk is considerably more heavily loaded than the 40/50. It is only the… | ||
| scan0020 | From B.J. to Hs. requesting confirmation and clarification on Goshawk chassis and component weights. | ||
| View original record | X453P To Hs. from BJ. BJ17/H23.11.22. Goshawk Weights. With reference to Hs4/LG20.11.22, in DA/Ev4/M5.10.22 addressed to By., a copy of which was sent to you, certain detailed weights were quoted.… | ||
| scan0021 | Weight limit of the Goshawk car, proposing a reduction from a 39 cwt limit to 30 cwt. | ||
| View original record | X4538 To BJ. from R. c. to Hs. EP. R4/M23.11.22. GOSHAWK. X.4538. Hs. says my limit of 39 cwt. is really too heavy. I intend this to be quite as far as we must ever go. Can we not have other… | ||
| scan0022 | Request for the weight of tools and spares supplied with the Goshawk chassis to revise statistics. | ||
| View original record | To Hs. from Da/Ev. X4538 Da/Ev2/M23.11.22. GOSHAWK WEIGHTS. X.4538 X.4083 X.4084. With reference to your Hs4/LG20.11.22., we would very much like a reply to our request in Da/Ev4/M5.10.22., for the… | ||
| scan0023 | Breakdown of weights for the 7-Goshawk-11 car and discussion on rear axle and spring loads. | ||
| View original record | X4538 To BJ. from Hs. Hs3/LG24.11.22. GOSHAWK WEIGHTS, BJ17/H23.11.22. When 7-Goshawk-11 was running in France, the weights were as follows :- Chassis - 2378 lbs. Passengers - 320 lbs. Spares and… | ||
| scan0024 | Weight calculations and passenger capacity for the Goshawk model. | ||
| View original record | To H. from B.J. -> Copies to Hs. HP. X4538 BJ3/H28.11.22. GOSHAWK WEIGHT. With reference to R4/M23.11.22, the maximum body weight agreed by you, and to which we have built our bodies and made our… | ||
| scan0025 | Clarifying the complete weight of the Goshawk chassis, questioning whether to include the spare wheel and tyre. | ||
| View original record | X.4538 To Hs. from Da/EV. Da/Ev4/M6.12.22. GOSHAWK CHASSIS WEIGHTS. X.4538. In connection with your Hs4/LG20.11.22., we note that the weight of the complete chassis is given as 2378 lbs. "This is the… | ||
| scan0026 | Particulars for the Goshawk chassis, including weight, engine specifications, and consumption data. | ||
| View original record | Sft. from Hs. X4538 Hs9/LG6.12.22. PARTICULARS OF GOSHAWK. X4538 X4134 Weight - chassis complete - 4 tyres - battery - spare wheel carrier - step irons - instrument board - full of petrol, oil and… | ||
| scan0027 | Weights and radii of gyration for the 40/50 and Goshawk clutch and flywheel assemblies. | ||
| View original record | X4538 27.2.23. X3439 X4244 X4538 DETAILS OF 40/50 CLUTCH AND FLYWHEEL WEIGHTS. Wt. of Crankshaft member. 50 lbs. " " Flywheel Member 43 lbs. " " lined Alum. Member 13 lbs. Approx. radius of gyration… | ||
| scan0028 | Production faults related to the 20 HP chassis weight and setting a minimum oil consumption standard. | ||
| View original record | BJ. from Hs. X4538 (handwritten, crossed out) Hs2/LG16.3.23. 20 HP. CHASSIS WEIGHT. " " OIL CONSUMPTION. X4538 X986 With reference to your memos. in regard to the above. We have passed these memos. on… | ||
| scan0029 | Weight of the 20-HP chassis and establishing an average weight. | ||
| View original record | X4538 BJ. EP/Thn1/H28.3.23. c. to L.S. c. to C. c. to Sg. c. to Hs. re. Weight of 20 - HP. Chassis. With reference to your memo BJ1/H13.3.23, attaching copy of LHS/HH26/8.3.23, which Hs. has handed to… | ||
| scan0030 | List of weights for Goshawk engine piston and connecting rod components. | ||
| View original record | X4538 13.4.23. GOSHAWK WEIGHTS. Standard Goshawk Piston complete with Godgeon pins, set screws and 4 rings :- 1 lb. 2 1/4 ozs. Standard Connecting Rod - small end complete with Bush :- 7 ozs. | ||
| scan0031 | The weight measurements for the 7-Goshawk-11 vehicle. | ||
| View original record | Mr. Hives. from TMW. X4538 30.4.23. WEIGHTS OF 7-GOSHAWK-11. Full petrol tank - 1 gall. of oil in engine - all tools and spares as supplied - pump - Jack - 1 spare wheel - full of water :- tons. cwts.… | ||
| scan0032 | Fitting experimental parts to Goshawk models and discussing the overweight body of a Maythorn Saloon. | ||
| View original record | To Hs. from R. c. to CJ. BJ. X4538 X.3730 X.4219 X.4538 R2/M15.5.23. Please fit up all proposed experimental pieces for me to see on either No.4 or No.6 Goshawk. Both are open bodies (I am assuming).… | ||
| scan0033 | Specification sheet detailing the weights of the 20 HP Goshawk-11 chassis in various configurations. | ||
| View original record | 20 HP. CAR WEIGHTS. Goshawk-11 chassis. | 2378 lbs. 2-Goshawk-11 Spare wheel, full tank, tools and wire wheels. | (O.S.) 13 cwts. 2 qrs. 14 lbs. (N.S.) 13 " 2 " 14 " total. 1 ton. 7 " 1 " 0 "… | ||
| scan0034 | Comparison report on the stability and top-heaviness of a Maythorn Saloon versus a standard Hooper Limousine on a 20 HP chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. X4538 Hs2/LG13.6.23. MAYTHORN SALOON AND OTHER 20 HP. BODIES. X.3730 X.4538. We have made a careful comparison between the Maythorn Saloon and the… | ||
| scan0035 | The methodology of tests to determine the centre of gravity of various car types. | ||
| View original record | TESTS TO DETERMINE POSITION OF CENTRE OF GRAVITY OF VARIOUS TYPES OF CAR. We originally intended to carry out these tests by jacking the car up on, say, the off-side, placing the wheels on blocks of… | ||
| scan0036 | Experiments on vehicle suspension and weight distribution for Goshawk-11 models. | ||
| View original record | contd:- -2- Before carrying out the experiments we inserted blocks between the axles and the frame in normal position and pulled the springs down to the blocks. The same blocks were used in the same… | ||
| scan0037 | Table detailing the Centre of Gravity and total weight for various Goshawk car models. | ||
| View original record | EFFECTIVE TYRE DIAMETER TAKEN AT 31.4" | Car. | C. of G. in length. | C. of G. in width. | Ht. of C.of G. above the ground. Springs choc-a-bloc at normal camber. | Total weight of car. |… | ||
| scan0038 | Estimating the weight of the roofs for 7-Goshawk-11 and 3-Goshawk-11 car models. | ||
| View original record | WEIGHTS OF BODY CAR ROOFS. We endeavoured to roughly estimate the weight of the two car roofs of 7-Goshawk-11 and 3-Goshawk-11. On the Saloon car we stripped the covering from the under-side of the… | ||
| scan0039 | Comparison of specifications for Saloon and Limousine Goshawk-11 model car roofs. | ||
| View original record | DETAILS OF BODY CAR ROOFS. DETAILS. (Saloon) 7-Goshawk-11. (Limousine) 3-Goshawk-11. Average height above frame of roof between windscreen and front and rear step iron. 4 ft. 5 15/16" 4 ft. 5½" Width… | ||
| scan0040 | Breakdown of weight differences between the 3-Goshawk-11 and 7-Goshawk-11 models. | ||
| View original record | DETAILS OF 3-GOSHAWK-11 AND 7-GOSHAWK-11. In order to account for the 2 cwts. greater weight of 7-Goshawk-11 we examined the two cars with the following results :- Extra weight 7-Goshawk-11 chassis.… | ||
| scan0041 | Calculation of theoretical rollover speeds for a touring car and a bodied car on a 100 ft. radius corner. | ||
| View original record | To estimate the theoretical speeds at which a touring car and bodied car with centre of gravities as found could negotiate a corner of 100 ft. radius if their springs were chocked up. This is assuming… | ||
| scan0042 | Weight of the 20 HP chassis and its increase over the originally agreed weight. | ||
| View original record | X 4538 To EB from BJ. Copies to Hs. Wo. BJ8/H7.6.23. Weight of 20 h.p. Chassis. The position, I understand, is as follows:- The original weight agreed by the Works was ....... 2423 lbs. The average… | ||
| scan0043 | Weight of the 20-HP chassis and the basis for its guarantee. | ||
| View original record | X4538 c. to Hs. [struck through] c.c. to Wor. [struck through] EP17/H2.6.23. re. Weights of 20-HP Chassis. With reference to your memo BJ8/H7.6.23. We are afraid we cannot agree to compare the weight… | ||
| scan0044 | The weight of a luggage grid for the Goshawk. | ||
| View original record | X4538 GOSHAWK WEIGHTS. Luggage Grid - 11½ lbs. 15.6.23. Hs/Rm. | ||
| scan0045 | Goshawk 11 wheels including weight, tyre specifications, pressure, and revolutions per mile. | ||
| View original record | X4538 28.6.23. X4538 ----- X3599 DETAILS OF GOSHAWK 11. WHEELS. (Weight of Whitworth wire wheel = 26.5 lbs.) Wt. of 820 X 120 beaded edge cord tread tyres - = 30¼ lbs. Effective tyre dia. inflation… | ||
| scan0046 | Capacities and weights for the Goshawk 11 radiator components. | ||
| View original record | X4538 4.7.23. DETAILS OF GOSHAWK 11. RADIATOR. X4240 _____ X4538 Long tube matrix 22.75 pts. 70.5 lbs. Short " " 20.25 pts. 62.75 lbs. Water capacity of cylinder block 11.5 pts. Hs/Rm. (Watermark:… | ||
| scan0047 | Information and test results for a vehicle's radiator and cooling system components. | ||
| View original record | X4538 X4538 / X4240 INFORMATION FOR RADIATOR TESTS. Capacity of long tube matrix = 22.75 pts. 28.4 lbs. Capacity of short tube matrix = 20.25 pts. 25.3 lbs. Capacity of cylinder block = 11.5 pts. 14.4… | ||
| scan0048 | Torque reaction vibrations, including a diagram of the engine test setup. | ||
| View original record | R.R. 405A (40 H) (SL 42 12-7-23). J.H., D. X4538 EXPERIMENTAL REPORT. Expl. No. REF: HSR/1022.9.23 To R. from Hs. c. to CJ. c. to E. c. to Ds. c. to HY. TORQUE ENGINE MASS TORQUE REACTION VIBRATIONS.… | ||
| scan0049 | Measuring engine torque and the development of a spring-controlled arm for accurate readings. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. REF: HWS/LG22.9.23. that some was going through the frame. We therefore measured the torque through a spring balance (as in… | ||
| scan0050 | Blueprint detailing the total weight and included components of the 8.G.I. engine unit. | ||
| View original record | 8. G I ENGINE UNIT. EXHAUST MANIFOLD, DYNAMO, MAGNETO & STARTER MOTOR FITTED. CARBURETTER NOT FITTED BUT ALLOWED FOR BY CALCULATION AFTERWARDS. TOTAL WEIGHT OF ENGINE UNIT 651 LBS 20 H/P ENGINE.… | ||
| scan0051 | Negative implications of increasing car body weight on the 20 HP model. | ||
| View original record | Extract from :- X4538 R1/M1.1.24. R1/M1.1.24 - RE. GOSHAWKS. X.4219. WEIGHT. X.4538. X.3730. Considering the size of the engine and the present construction I have been very careful not to agree to… | ||
| scan0052 | Effects of additional weight on the 20 HP Goshawk Chassis and proposing a 10,000-mile test. | ||
| View original record | X4538 OJ. c. Wor. c. Hs. 20 H.P. Rg3/Wll. 1. 24 X3720 (crossed out) X4594 (crossed out) X4538 We have been into this question, and we do not feel that the addition of 1 1/2 cwts. on the Goshawk… | ||
| scan0053 | Weight specification for the Goshawk unit. | ||
| View original record | X4538 12.2.24. GOSHAWK WEIGHT. Weight of Goshawk Unit complete - 640 lbs. Standard unit, with starter generator exhaust manifold change speed & brake. DICKINSON BOND 1804 | ||
| scan0054 | Weights of the 20 HP Goshawk engine unit. | ||
| View original record | Y4538 To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. Wor. Hs3/LG18.2.24. GOSHAWK ENGINE WEIGHTS. Attached herewith are weights of the 20 HP. engine unit, weighed in sections. We also give the… | ||
| scan0055 | Table listing the weights of various engine components and their weight relative to displacement. | ||
| View original record | WEIGHTS. TOTAL DISPLACEMENT - 190.85 cu.ins. Weight lbs. Wt/100 cu.ins. displacement. Cylinders with valves etc. E.52720 134.69 70.6 Crankcase & Bearings. E.52244. 124.375 65.4 Flywheel and clutch.… | ||
| scan0056 | Continued weight schedule for engine components, with part numbers, weights in lbs, and weight per displacement. | ||
| View original record | CONTD:- -2- Weight lbs. Wt/100 cu.ins. displacement. G.ll. weights to L.O.P's. Controls. E.52926. 2.625 1.375 Idler gear. E.50077. 2.25 1.180 Wiring. E.52927. 1.69 .886 Oil Fittings. E.52708. 1.5 .786… | ||
| scan0057 | Comparative table of weights for portions of different engine models per 100 cubic inches of displacement. | ||
| View original record | COMPARATIVE WEIGHTS OF HEAVIEST PORTIONS OF RR. ENGINES PER 100 CU. INS. DISPLACEMENT. DESCRIPTION OF PART. WT. 20 HP. PER 100 CU.INS.DISPL: WT. 40/50. PER 100 CU.INS.DIS: WT. EAU. PER 100 CU.INS.DIS:… | ||
| scan0058 | Stating the weight of a G.111 Gearbox with right hand levers. | ||
| View original record | X.4538 Weight of G.111 Gearbox with right hand levers :- 92 lbs. | ||
| scan0059 | Comparison of specifications for the Standard and Thermostat type 20 HP radiator. | ||
| View original record | To Hs. from THM. 4538 Hs/THM/3.4.24. 20 HP. RADIATOR. X4240 Standard. Tubes 3.95" long. Weight 67 lbs. 2 ozs. Thermostat type. Tubes 3.5" long. Weight 63 lbs. 14 ozs. Hs/THM. | ||
| scan0060 | Weight comparison between a 20 HP car with chassis GF.68 and an Experimental Limousine 3-G-11. | ||
| View original record | X4538 To LHS. from Hs. c. to C. c. to DA/EV. Hs5/LG7.11.24. 20 HP. CHASSIS GF.68. X4219 X3538 With reference to C/Hn20/DB29.9.24. We give below the weights of 20 HP. car GF.68 fitted with sub-frame… | ||
| scan0061 | From the Test Department detailing the average weights of the 40/50 'U' series and 20 HP chassis. | ||
| View original record | COPY. X4538 To Hs/ACL. from Test Dept. 24.2.25. RE. CHASSIS WEIGHTS. x9930 [struck through]x4538[/struck through] In reply to your telephone message :- 40/50 'U' series. 20 HP. Average weight - total… | ||
| scan0062 | Weight details for model 9 G III, including total road weight and axle weights. | ||
| View original record | RR 26 (10H BKS) (SK 195 6-10-22) MP 260736 4538 ROLLS-ROYCE LTD. INSTRUCTIONS To Cf. Hewes H-6-1925 Order No................... Customer's No................... Weight details of 9 G III. Total weight… | ||
| scan0063 | The completion and delivery schedule of a Phantom chassis. | ||
| View original record | Royce your [scribbled out] Phantom chassis will be completed on Wednesday next would arrive at [struck through: Wittering] Thursday see letter sent yesterday If essential it could be sent to you this… | ||
| scan0064 | Secret internal memo detailing the weights and specifications of the front axle and springs for car 9-G-111. | ||
| View original record | To DA. from Hs. S E C R E T. Hs4/LG12.6.25. X4538 'INDIA' X5410 X5840 With reference to DA1/M.O.6.25. The weight of the front of the car on 9-G-111 in France is 1540 lbs! The weight of the axle and… | ||
| scan0065 | Requesting the weight of the old India Front Axle forging for comparison with a new 32 lbs forging. | ||
| View original record | +4538 To Hs. from Da. DAS/M2.10.25. INDIA FRONT AXLE. X.5420 X.4538 We have not yet received the comparative weights between the four wheel brake axle and the old axle. The forging we have done here… | ||
| scan0066 | The weights of the 20 HP front axle with and without front wheel brakes. | ||
| View original record | X4538 To DA. from Hs. Hs6/LG13.11.25. WEIGHTS OF 20 HP. FRONT AXLE. X52420 Attached is a print giving detailed weights of 20 HP. front axle with the latest type front wheel brakes compared with the… | ||
| scan0067 | Parts list detailing the component weights for the Goshawk II and Goshawk III front axles. | ||
| View original record | FRONT AXLE WT. OF COMPLETE GOSHAWK III AXLE WITH CROSS STEERING TUBE AND F.W.B. = 131 eh. WT. OF COMPLETE GOSHAWK II AXLE WITH CROSS STEERING TUBE WITHOUT F.W.B. = 72.75 LBS: [LEFT TABLE] PART NO:… | ||
| scan0068 | Performance and weight test results for a 20 HP, Chassis 1150, conducted on Ticknall Hill. | ||
| View original record | +4538 20 HP. PERFORMANCE AND WEIGHT. +41324 CHASSIS 1150 Past O.K. dynamometer test for H.P. Taken by EP. and Mr. Archer 18.2.25. Covered test body (6½ cwt.) i.e. normal total, no ballast or… | ||
| scan0069 | Table detailing the front, rear, and total weights of various car models and body types. | ||
| View original record | X. J538 CAR WEIGHTS. 26.1.26. Y-8240 Below we give particulars of weights of cars as specified :- CAR | FRONT Tons.cwts.qrs.lbs. | REAR Tons.cwts.qrs.lbs. | TOTAL Tons.cwts.qrs.lbs. | REMARKS. ---… | ||
| scan0070 | And calculating the weight differences between components of the G.111 and G.11 chassis. | ||
| View original record | To BY. from Hs/Rm. X.4538 Hs/Rnl/LG1.2.26. 20 HP. WEIGHTS. We understand that on production the chassis weight of G.111. exceeds that of G.11. by 200 lbs. From the following figures it will be seen… | ||
| scan0071 | Attached blueprints giving weights for Goshawk II and III components, including the gearbox, flywheel, clutch, and servo. | ||
| View original record | To AJS. from Hs. c. to BY. X4538 Hs3/LG24.2.26. WEIGHTS. We attach blueprints giving weights of Goshawk ll. and Goshawk lll. Gear box, Change gear mechanism, Flywheel and clutch and Servo. Hs. | ||
| scan0072 | Post Office telegram urgently requesting weights for a specific reference. | ||
| 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. B or C Charges to pay s. d. This form, and… | ||
| scan0073 | Requesting approximate body weights for a 20 HP Sales Trials car for the calculation of springs. | ||
| View original record | X4538 CWB5/DN22.3.26. TO HO I FROM CWB 10,000 miles Trials car for Sales (20 HP). We are arranging to have a Sales Trials 20 HP car which will be fitted with a Saloon body without partition, which Mr.… | ||
| scan0074 | Weight calculation sheet for a 20 HP, 10,000-mile trials car for sales. | ||
| View original record | Com. Briggs 20 HP. 10,000 miles Trials car for Sales cwts. qrs. lbs. Average weight of bodywork of Saloon without partition } 9 . 2 . 0. Allowance for Standard Spares and Accessories } 1 . 2 . 0.… | ||
| scan0075 | Estimated specification of weights for a 10,000 miles trials car for 'Sales' (20 HP). | ||
| View original record | X4538 CWB7/DN23.3.26. TO Hs FROM CWB 10,000 miles Trials car for "Sales" (20 HP). With further reference to the above, the following is the estimated specification of weights of body for this car with… | ||
| scan0076 | Body weight limitations, back axle ratios, and proposed engine modifications for the 20 HP model. | ||
| View original record | To BJ. from R. c. to Hs. DA. H. c. to EY. LHS. Sg. +4538 R2/M3.12.26. 20 HP. BACK AXLE RATIO, WEIGHT OF BODIES ETC. X.5350 X.4538 X.5830 X.8350 You will remember that I have always disagreed with a… | ||
| scan0077 | Continued note on modifications to a 20 HP chassis, specifically the louvres and front axle control. | ||
| View original record | contd :- -2- It will be understood that this chassis is light compared with other 20 HP. chassis used for similar purposes. The vertical louvres will be ready, and there may be some modification to… | ||
| scan0078 | Importance of weight reduction on the 40/50 & 20 HP models for performance and legal compliance. | ||
| View original record | To B.J. C. To SG. Hs. from R. c. to Wcr. E. PN. c. to CWB. DA/EV. RE: WEIGHT OF CARS - 40/50 & 20 HP. X. 8830 X. 8840 X.4538 X.5830 It will be realised that to keep the 40/50 within the law for weight… | ||
| scan0079 | Continued discussion on fabric-covered car bodies, their finish, weight, and cost considerations. | ||
| View original record | contd :- -2- less weight. Here one sees fabric covered bodies almost entirely. Some look extremely well, as I am not altogether permanently wedded to a highly polished shiny finish, and I daresay… | ||
| scan0080 | List of 20-HP chassis weights between 1922 and 1927, noting the increases and the reasons for them. | ||
| View original record | Hs/Rm. 44538 Mx/McM4/T17.2.27. re Chassis Weights. X8840 [STAMP: RECEIVED 18 FEB 1927] The following particulars give the weights of Chassis at various dates, and as far as possible the reason for… | ||
| scan0081 | Request for a comparative weights table for axle parts of the EAC.7 and 40/50 HP models. | ||
| View original record | X4538 To RHC. from Hs/Rm. Hs/Rm2/LG25.10.27. COMPARATIVE WEIGHTS - 40/50 AND 20 HP. X8840 AXLES. Will you please let us have the comparative weights of the two types of axle :- | WT. OF PARTS… | ||
| scan0082 | Weight reduction on a 20 HP chassis by modifying the flywheel, clutch, and engine head. | ||
| View original record | 4538 To Hs. from R. c. to BJ. R2/M28.11.27. 20 HP. X.5300 X.4538 Will you try the effect of reducing the weight of the flywheel and clutch. This appears to be about the only part on this chassis which… | ||
| scan0083 | Calculations to find the radius of gyration squared for an 11-G-111 landaulet body by swinging. | ||
| View original record | X4538 TO FIND K² FOR 11-G-111 BY SWINGING. (LANDAULET BODY. SPARE WHEEL AT REAR). X5830 Let K²_GT = K² of total car (including axles) about c.g. of total car. = T² p g / 4 π² - p² ft² Where p =… | ||
| scan0084 | Diagram and calculations for determining the center of gravity of a vehicle's sprung and unsprung mass. | ||
| View original record | contd :- -2- A. is front axle of wt. ma B. is rear " " mb G. is c.g. of whole car including axles. E. is c.g. of axles (together). F. is c.g. of sprung part of car. F. will lie on the line joining E.… | ||
| scan0085 | Page of calculations involving variables k²F, ab, and their ratio, with results in square feet. | ||
| View original record | contd :- -3- and k²F = 21.06 - .1665 = 20.89 ft² ab = 6.083 X 4.708 = 28.64 ft² k²F/ab = .730 ---------------- Hs/S.S.Tresilian. | ||
| scan0086 | The weight difference between a standard and a lightened Goshawk flywheel. | ||
| View original record | To Hs/Rm. from RHC. X.4538 RHC3/BE5.4.28. RE: LIGHTENED GOSHAWK FLYWHEEL We give below the difference in weight of the lightened flywheel compared with the Standard, which was fitted to 11.G.III.… | ||
| scan0087 | List of approximate weights for the 20 HP chassis with medium pressure tyres and wellbase wheels. | ||
| View original record | XW538 20 HP. ROLLS-ROYCE CHASSIS WITH MEDIUM PRESSURE TYRES & WELLBASE WHEELS. APPROXIMATE WEIGHTS. Cwts.qrs.lbs. TOTAL LBS Chassis with 4 wheels average weight. 22. 1. 25. 2517 The above figures… | ||
| scan0088 | Calculation of the radius of gyration (K²) for car model 11-G-111 (landaulet body) by swinging. | ||
| View original record | X-4538 TO FIND K² FOR 11-G-111 BY SWINGING. X5830 (LANDAULET BODY, SPARE WHEEL AT REAR). Let K²_GT = K² of total car (including axles) about c.g. of total car. = T² pg / 4 π 2 - p² ft² Where p =… | ||
| scan0089 | Page of calculations and a diagram concerning vehicle center of gravity and mass distribution. | ||
| View original record | contd :- -2- A. is front axle of wt. m_a B. is rear " " " m_b G. is c.g. of whole car including axles. E. is c.g. of axles (together). F. is c.g. of sprung part of car. F. will lie on the line joining… | ||
| scan0090 | Page of engineering calculations, continued from a previous page. | ||
| View original record | contd :- -3- and k²F = 21.06 - .1665 = 20.89 ft² ab = 6.083 X 4.708 = 28.64 ft² k²/ab = .730 Hs/S.S.Tresilian. | ||
| scan0091 | Surprising weight of a Barker Coupe Limousine and proposing a weight analysis of a modified chassis. | ||
| View original record | Hs. from DA/EV. c. to C. +4538 DA/EV3/M22. 8. 28. RE. 12-G4. COUPE. X.5830 X.4538 We understand from you to have said that the Barker Coupe Limousine (semi-flexible) weighs 32 cwts. for the complete… | ||
| scan0092 | Comparing car performance based on weight and engine capacity for the 'SS', 20 HP, Phantom, and Chrysler models. | ||
| View original record | +4538 To R. from Hs. c. to Sg. Wor. c. to E. DA. c. to BY. PN. c. to EP. Hs1/LG13.4.29. CAR PERFORMANCE. +4012 +7840 We are quite in agreement, that if we could reduce the weights to the proportions… | ||
| scan0093 | Data table comparing specifications of various car models including Phantom, S.S., 20 HP, and Chrysler. | ||
| View original record | CAR DATA. CAR. | Cubic capacity. | Average weight. | Gear ratio. | Revs. per mile. | Litres/mile per ton. Phantom. | 7600 c.c. | 50 cwts. | 3.72 | 2300 | 3500 S.S. | 7600 c.c. | 47.5 cwts. | 3.73 |… | ||
| scan0094 | Proposed performance improvements for the 20 HP car engine. | ||
| View original record | X4528 R. from E. SECRET. El/M15.4.29. c. to Sg. Wor. PN. Hs. Ev. EP. DA. 20 HP. CAR PERFORMANCE X5770 X5010 X5050 X5040 We are quite in agreement that it is highly desirable to reduce the overall… | ||
| scan0095 | Performance calculation sheet comparing engine capacity, weight, and axle ratio for a 20 HP model. | ||
| View original record | -2- Taking the figure for litres/ton mile supplied by Hs., the 20 HP. is 2820. for 33 cwts total weight. Chassis weight equals 24 cwt: Increased capacity (3.2 bore).. 14% Saving in weight, take… | ||
| scan0096 | List of average finished car weights for 'Standard Bodies' and 'De Luxe Bodies' with handwritten annotations. | ||
| View original record | AVERAGE FINISHED CAR WEIGHTS. BODY TYPE DESCRIPTION TOTAL WEIGHT FRONT WEIGHT REAR WEIGHT REAR SPRINGS "STANDARD BODIES" Ascot 4 passr. Phaeton 5200 2620 2580 1600-170 Regent Coupelet 5350 2620 2730… | ||
| scan0097 | The weight of a 'China' engine and gearbox unit for a 20 HP lote. | ||
| View original record | 74538 20 H.P lote 10-1-30. Weight of "China" engine + gear-box unit = 662 lbs. Engine only = 552 lbs. [Initialed signature] | ||
| scan0098 | Analysing the 25 HP chassis weight in comparison to a Chrysler car, concluding not to add further weight. | ||
| View original record | To R. From Hs. c. to Sg. Wor. c. to Da. E. c. to Hy. 4538 Hs.2/MJ.14.1.31. 25 HP. CHASSIS WEIGHT. When we analysed the Chrysler car which we had at Derby we found that their chassis weight was very… | ||
| scan0099 | Car weights, comparing customer cars to the 26-EX experimental model and the impact of accessories. | ||
| View original record | To DA/EV....from Sg. c. to Wor. C. Hs. -------------------- Sg6/C6/2/31. Re CAR WEIGHTS. DA/EV.2.2.31. ----------- It seems to me we are making a lot of unnecessary fuss over the small difference of… | ||
| scan0100 | Discrepancies in the weights of various car bodies and complete cars. | ||
| View original record | Da/EV. ---- -2- Sg6/C6/2/31. 20 h.p. weighing 11 cwt. and they now weigh 9¼ - 9¾ cwt. The Maythorne standardised bodies that are coming through are weighing about 9¼ cwt. Park Ward coachwork for some… | ||
| scan0101 | Comparing the weights of various 6-seater Pullman limousine bodies and discussing weight reduction challenges. | ||
| View original record | - Da/EV -3- Sg6/C6/2/3A. Our Hooper Trials car with a similar type body weighed when new 34 cwt. 1 qr. 12 lbs. the body being calculated at 9 cwt. 2 qrs. 10 lbs. We have another car in stock at the… | ||
| scan0102 | Unreliability of experimental car weight data and the impact of coachbuilder fittings and materials on total vehicle weight. | ||
| View original record | SG. FROM DA/EV. X4538 DA/EV1/M17.2.31. C. to WOR. HS. C. CAR WEIGHTS. SG6/C.6.2.31. X.7840. X.4538. X.226. It appears that our information regarding the weights of experimental cars is not wholly… | ||
| scan0103 | Messrs Barker's accessories and the need to gather comparative weight data for various cars. | ||
| View original record | (2) Messrs Barker's have a large engineering dept. created originally to produce dipping lamps for Morris Oxford cars (which contract Lucas' now have). They are anxious to keep it occupied and so… | ||
| scan0104 | Table of front and rear chassis weights for the Phantom II and 20/25 models. | ||
| View original record | X4538. x7840- x4538. P.II & 20/25. CHASSIS WT. --------------------------- FRONT. REAR. L.H. P.II 2031. 1936 20/25. 1407. 1309. wts. include petrol, water, battery, bonnet but no spares. | ||
| scan0105 | Table detailing car weights over front and rear axles, and shock damper loadings for various models. | ||
| View original record | Car. | Wt. over front Axle. | shock Damper Loadings. | Wt. over rear axle. | Shock. Damper loading | Total Car weight. 17.G.IV. | 14 cwt 3 qrs. 21 lbs. | L.P 60. H.P. 70. | 18 cwt 0 qrs. 21 lbs. |… | ||
| scan0106 | Confidential internal memorandum concerning car body weights and coachbuilder practices. | ||
| View original record | SG. FROM DA/EV. CONFIDENTIAL DA/EV2. 3. 31. C. to C. WOR. C. to HS. re. CAR WEIGHTS. A.7840. X.4538. From EP8/T14131., it appears that the continental touring cars have exceeded the weight limit, and… | ||
| scan0107 | Table listing the chassis, body, and total weights of various experimental and production vehicles. | ||
| View original record | 40/50. CAR. BODY. CHASSIS AND ALL ON. cwt. qrs. lbs BODY WEIGHT. cwt. qrs. lbs TOTAL WEIGHT. cwt. qrs. lbs REMARKS? EXPERIMENTAL. 18-EX. Barker sports saloon. 37. 2. 11. Long chassis. 7. 0. 11. 44. 2.… | ||
| scan0108 | Front and rear chassis weights for the L.H. Phantom II and 20/25-HP models. | ||
| View original record | Y4538 Hs/Rm. Mx/FE1/BH25.3.31. Y4538. X7840. re L.H. Phantom II & 20/25-HP Chassis Weights. As requested the above weights are as follows:- Front Rear LH.Phantom II 2055 lbs. 1960 lbs. 24 24 20/25-HP.… | ||
| scan0109 | Weight and axle ratio of the 20-G4 car and its effect on acceleration. | ||
| View original record | X4538 To Sg. From Hs. c. to Wor. Hs.5/MJ.18.12.31. 20-G4. CAR. The fact that this car weighed over 35 cwt. without passengers, and also that it had a higher axle ratio, would account for the… | ||
| scan0110 | Query regarding the specific weight of a car's body and chassis, requesting details on what is included in the measurement. | ||
| View original record | S/W. Hs. c. to Wor. Sg. re- 20-G4. Cx12/KW23.12.31. X4538. Sg has asked me to communicate with you on the question of the weight of this car in order to ascertain more definitely just what the weights… | ||
| scan0111 | Breakdown of weights for chassis 20-GIV, its body, and various components. | ||
| View original record | W/S. Cx. From Hs/Lid. C. to SG. WOR. *538 Hs/Lid. 2/MA. 28.12.31. 20-G-IV. With reference to Cx.12/K.W.23.12.31. the following are the particulars you ask for :- (1) Weight of 20-GIV. complete with… | ||
| scan0112 | Request for the estimated weight of the 20-G-4 chassis ('U' series) and its resultant body weight. | ||
| View original record | HS. FROM DA/EV. X4538 DA/EV6/M20.1.32. Copy to - HN. 20-G-4. COACHWORK. X.4538. We should be glad to receive from you your estimated weight of the 20-G-4. chassis ('U' series), and from Sales their… | ||
| scan0113 | Breakdown of the weights for the 20.G.IV model, including complete vehicle, body, and chassis. | ||
| View original record | 84838 DA/EV. From Hs/Lid. c. to Hn. Hs/Lid.1/MA.22. 1. 32. 20.G.IV. Inreply to DA/EV.6/M.20.1.32., the weights you ask for are as follows :- 20.G.IV Complete. 35 cwt. 2 qrs. 21 lbs. " " "Body only 10… | ||
| scan0114 | Weight of the body on model 20.G.4, with a breakdown of special feature weights. | ||
| View original record | HS. FROM DA/EV. X4538 DA/EV/AM 2.2.32. Copy to - E. BODY WEIGHT OF 20-G-4. K.4538 We would very much like to get to the bottom of the actual weight of the body on 20.G.4., not with a view to blaming… | ||
| scan0115 | Weight reduction of the J.3 engine unit compared to the standard 20/25. | ||
| View original record | Y4538. [redacted] from RHC. c. Hs. RHCl/BE18.2.32. J.3. Engine Unit The above engine unit has been weighed less certain features, in order to get some idea of how weight would compare with standard… | ||
| scan0116 | Comparing the weight of the J.3 unit to the standard 20/25 engine, noting a significant weight saving. | ||
| View original record | SECRET. X4538. To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to BY. Hs.7/HJ.20.2.32. J.3 UNIT. X.5770. X.4538, A comparison of the weight of J.3 unit compared with the present standard 20/25 shows… | ||
| scan0117 | Calculating the body weight of the 20-GIV model, itemising additions and subtractions to the standard chassis. | ||
| View original record | X4538 Da/Ev. from Hs/Lid. C. E. Cx. C. Sk. Wor. Hs/Lid.1/AD22.2.32. BODY WEIGHT OF 20-GIV With reference to Da/Ev/M12.2.32 it appears that you have unfortunately not received our memo which gave… | ||
| scan0118 | Clarifying the calculation of body weight by accounting for spares, accessories, and petrol tanks. | ||
| View original record | Hs/Lid.1/AD22.2.32 contd. -2- The total weight of 20-GIV was 35 cwt. 2 qrs. 21 lbs deducting the above chassis and spares weight (2991 lbs.) we arrive at a calculated body weight of 8 cwts. 3 qrs. 21… | ||
| scan0119 | Chassis weight specifications for 1. J.111 with a full petrol tank. | ||
| View original record | V4538 30.3.32. CHASSIS WEIGHT OF 1. J.111 - PETROL TANK FULL 21½ GALLS. Tons. Cwts. Qrs. Lbs. FRONT .... - 12 1 0 REAR .... - 12 1 0 TOTAL .... 1 4 2 7 This chassis was weighed minus the… | ||
| scan0120 | Increased weight of a Synchro Mesh 20/25 component and the associated material cost. | ||
| View original record | Hs. from Wor. X4538. Wor9/T25.4.32. I attach copy of a note I have received from EP., as I notice you have nothad a copy. Do you consider it is a serious matter for the Synchro Mesh 20/25 to weigh one… | ||
| scan0121 | The increased weight of the new 20/25 HP Car with Synchro Mesh compared to the previous chassis. | ||
| View original record | Copy. Mx. Copy to By. Wor. Sft. EP/Thn8/T22.4.32. Re New type 20/25 HP Car - Synchro Mesh. We have today weighed the first of the above and find that this is approximately 1 cwt heavier than previous… | ||
| scan0122 | Request for the weight of J.III complete with body, with the resulting weight noted in handwriting. | ||
| View original record | 84538. To Rm. from E. c. Da. E.3/HP.20.7.32. J.III Would you please send the weight of J.III complete with body, if you have it, to Da. If you have not this information to hand perhaps you could… | ||
| scan0123 | The complete body weight figures for project J.III. | ||
| View original record | R4538. E. From Hs/Rn. C. Da. Hs/Rn.2/MA.22.7.32. 1 J.III. With reference to your queries re. the weights of J.III. We have obtained the following figures:- Complete body weight with spare wheel tools… | ||
| scan0124 | List detailing the weights of various valves for J.III type dampers. | ||
| View original record | X4538. Copy for files. 23.1.33. X5520. WEIGHT OF THE VALVES FOR J.III TYPE DAMPERS. Steel with alum damping disc F.59306 = 12.95 grms. All steel F.100695. = 18.6 grms. All steel lightened Hs.909. =… | ||
| scan0125 | Weight comparison table for various configurations of the 20/25 Frame and J.3 Frame. | ||
| View original record | 20/25 Frame. J.3 Frame. Complete Car 4200 lbs. 4060 lbs. Chassis 2860 lbs. 2900 lbs (estimated) Chassis with 20/25 Engine 2985 lbs. Chassis + 20/25 Engine + Vulture Box 2875 lbs. 3000 lbs. Car + 20/25… | ||
| scan0126 | The weights of various 20/25 HP chassis models for the last and present quarters. | ||
| View original record | W/S Sg Wor BY DA EWT/Skn. COPY. EP/Thn5/MH.5.1.34. re WEIGHING OF PARTS. -------------------- With reference to 20/25 HP. chassis, we give below weights of chassis for the last quarter and the present… | ||
| scan0127 | Vehicle weight comparisons, the need for weight reduction, and other design concerns. | ||
| View original record | To Hs/Rm. from Sg. Copy to Wor.E.Cx. By.Da.Hdy.Ba.Ev. re Weights. Sg12/E3.5.34 Referring to Hs/Rm.1/KW.28.4.34 I am very glad to note that Rm's visit to America is causing you to consider seriously… | ||
| scan0128 | Fitting of lamps on sports cars and considering future design trends from General Motors. | ||
| View original record | To Hs. from Sg. Sg12/B3.5.34 - 2 - Barclay are fitting them as standard to their Bentley's and Mr.Geoffrey Smith of the 'Autocar' has fitted them to his Bentley, that they are standard on cheaper… | ||
| scan0129 | The weight increase of the 20/25 chassis from its introduction in 1929 to the date of the memo. | ||
| View original record | x4538 To Hs/Rm. from Sg. Copy to Wor E Cx. By.Da.Hdy.Bn. re Weights. Sg15/E7.5.34 With further reference to Sg12/E3.5.34 I have now obtained information regarding 20/25's. The Derby quarterly weight… | ||
| scan0130 | Weight comparison for 20/25 HP Gear Box Castings made from Magnesium and Aluminium. | ||
| View original record | 4538 3.8.34. Weight of 20/25 HP. Gear Box Castings in Magnesium. Magnesium. Aluminium Gearbox (bare) 11 lbs. 15 ozs. 18 lbs. 1 oz. Diaphragm. 3 lbs. 1 oz. 4 lbs. 9 ozs. Clutch Casing. 7 lbs. 0 oz. 10… | ||
| scan0131 | Request to the Erecting Shop to weigh components for the Ph.II, 20/25 HP, and Bentley chassis. | ||
| View original record | x4538 To Mr. Scott (Erecting Shop). Hs/Bwg.18/KW.3.10.34. We are anxious to know the weights of the different components on Ph.II, 20/25 HP. and Bentley chassis. Can you please help us by having the… | ||
| scan0132 | Requesting the weighing of non-standard components before fitting to the chassis to monitor and reduce weight. | ||
| View original record | To RHC, x4538 Hs/Bwg.11/KW.29.10.34. Chassis Component Weights. We are endeavouring to keep check of the above and to reduce weight where possible. Will you therefore please arrange for all components… | ||
| scan0133 | The original and reduced weights of a Dropped Cross Member. | ||
| View original record | X4538 12.11.34 Dropped Cross Member Weights. Originally 115¼ ozs. Reduction 3 lbs. 3½ ozs. or 45%. | ||
| scan0134 | List comparing the weights of different types of dynamos. | ||
| View original record | 24538 DYNAMO WEIGHTS. Present standard Bentley 30 lbs. 8 ozs. Small 20/25 type with fan ventilation 23 lbs. 6 ozs. La Salle (same size as 20/25) 24 lbs.12 ozs. | ||
| scan0135 | Weight specification sheet for car GUB-5, detailing total, chassis, and body weights in various units. | ||
| View original record | FILES. X4538 8.3.35. GUB-5. Total car weight T. cwts. qrs. lbs 1 17 1 0 Chassis weight (2946 lbs.) 1 6 1 6 Body Weight (1226 lbs.) 10 3 22 Body weight includes - Heater 18 lbs. Lamps 24 lbs. Horn 4½… | ||
| scan0136 | Table of revised matrix weights and specifications for various models. | ||
| View original record | +4538 Hs/Std.1/KW.25.3.35. REVISED MATRIX WEIGHTS. Matrix | Weight lbs. | Frontal Area Sq.ins. | Depth Ins. | Vol. Cu.Ins. | Wt./ Unit lbs/ Vol. Cu.Ins. --- | --- | --- | --- | --- | --- Bentley old… | ||
| scan0137 | The weights of 20/25 HP chassis for the previous and present quarters. | ||
| View original record | C O P Y. x536 W/S. Sg. Wor. By. Da. E. EWT/Skn. Ev. Cx. JLE. Hs/FD. EP/Thn.10/MH.4.7.35. Re Weighing of Parts. With reference to 20/25 HP. chassis, we give below weights of chassis for the last… | ||
| scan0138 | Table of revised matrix weights and dimensions for various models. | ||
| View original record | V58 Hm/Std.10/KW.16.4.35. REVISED MATRIX WEIGHTS. Matrix | Weight lbs. | Frontal Area sq.ins. | Depth ins. | Vol. cu.ins. | Wt. / Unit lbs./ vol. cu.ins. Bentley old std. Marston Mark III | 38.0 | 470… | ||
| scan0139 | Comparison of component weights for Ph.III, 20/25, Bentley, and Buick chassis. | ||
| View original record | x558 Hs/Std.19/KW.11.2.36. Comparison of Component Weights of Ph.III, 20/25, Bentley and Buick Chassis. | Section of Car | Ph.III | 20/25 | Bentley | Buick |… | ||
| scan0140 | Comparative table of weights for various car sections across different models. | ||
| View original record | -2- Hs/Std.19/KW.11.2.36. Section of Car | Ph.III | 20/25 | Bentley | Buick ---|---|---|---|--- Brake Transmission. Includes pedal, hand brake lever, all cables, equalisers, rods, etc. up to axles,… | ||
| scan0141 | Comparative table of weights for various car components across different vehicle models. | ||
| View original record | -3- Hs/Std.19/KW.11.2.36. | Section of Car | Ph.III | 20/25 | Bentley | Buick |… | ||
| scan0142 | Table comparing the weights of components for different car models including Phantom III, 20/25, Bentley, and Buick. | ||
| View original record | -4- Hs/Std.19/KW.11.2.36. Section of Car | Ph.III | 20/25 | Bentley | Buick --- | --- | --- | --- | --- Oil - engine, sump and gearbox, axle, etc. | 29.9 | 23.3 | 23.3 | - Petrol - 18 gallons in case… | ||
| scan0143 | Comparative table of steering component weights for various chassis models. | ||
| View original record | To Rm. X558 Hs/FJH.23/KW.31.3.36. Comparative Steering Weights. Component | Ph.III | 20/25 | 25/30 | Bentley --- | --- | --- | --- | --- Steering gear, with wheel, controls, pendulum lever, and ball… | ||
| scan0144 | And comparing the weights of two 20/25 HP cars, GLG-5 and GLG-2, proposing an investigation into the weight discrepancy. | ||
| View original record | To Sg. from Ha/Rm. c. to Wor. c. to E. c. to Hn. c. to BV. x 558 Ha/Rm.5/KW.8.4.36. 20/25 HP. Complete Car Weights. With reference to our comments on the 20/25 complete car weight at the last… | ||
| scan0145 | Increase in weight of a 20/25 HP car, citing engine changes and modern body design requirements as causes. | ||
| View original record | X558 To Hs/Rm. from Sg. Copy to Wor.E. Hn.EV. 20/25 HP. Complete Car Weights. Sg12/E27.4.36 Referring to Hs/Rm.5/KW.8.4.36, in the light of the information given in your memo. I have had GLG-5 weighed… | ||
| scan0146 | Internal request for the weight of a 22 G.5 car with a Thrupp & Maberly body for comparison with the Wraith II. | ||
| View original record | To Hs/Rm. Copy to Hs/FD. E/Ev.3/MN.1.5.36. F.D. Please supply figures if you have them Rm Would you kindly let us have the weight of 22 G.5, the car with the Thrupp & Maberly Enclosed Limousine body.… | ||
| scan0147 | Weight analysis document for model 22-G-V, detailing total car, chassis, and coachwork weights. | ||
| View original record | x558 To E/Ev. Hs/FD.10/KW.5.5.36. Weight Analysis of 22-G-V. T cwts. qrs. lbs. Total Car Weight, including petrol, oil, water, tools and 2 spare wheels 2 0 1 7 Chassis Weight, including petrol,… | ||
| scan0148 | Comparison table of engine unit weights in pounds for various models. | ||
| View original record | X558 ENGINE UNIT WEIGHTS. LBS. CHINA. PEREGRINE. J.III. 40/50 Engine. 565 417 480 871 Gearbox. 115 110 115 201+ TOTAL. 680 527 595 1072 40/50 Crank 100 lbs. Spectre Crank 70 lbs. † Clutch pit included | ||
| scan0149 | Cost and weight comparison between an aluminium monoblock and an existing cast iron engine unit. | ||
| View original record | 20/25 . 358 COMPARISON ALL ALUM. MONOBLOCK (J.III TYPE) UNIT WITH EXISTING 20/25 UNIT. Sp. Gr. Cast Iron 2.81 times that of Al. Cast Iron. Wt. of cylinder block. 62.5 Wt. of cylinder head. 73 Total… | ||
| scan0150 | List of weights in pounds for various components of 1937 Buick models, series 40, 60, 80, and 90. | ||
| View original record | 558 C O P Y. 1937 BUICK WEIGHTS. March 24th, 1937. PART. WEIGHT IN POUNDS. Series "40" Series "60" Series "80" Series "90" Engine - (Less clutch and oil, includes manifold.) 705 836 836 836 Exhaust… | ||
| scan0151 | Weight comparison sheet for the 25/30 and Wraith chassis models. | ||
| View original record | To By. c. to Rm/FD. 558 also 658. Rm/Cr.9/JH.30.8.38. | | 25/30 | Wraith. |---|---|--- | Chassis complete with oil, water, and horns, (production weights) | 2720 | 2830. | Petrol | 135 | 135 | Battery… | ||
| scan0152 | Weight calculation memorandum regarding a change in gauge frame for the Wraith model. | ||
| View original record | -2- Rm/Cr.9/JH.30.8.38. Cont'd. .128" gauge frame instead of .104. 40 approx. 118 1/2 lbs. Subtracting the weight of 118 1/2 lbs. from the production Wraith weight one gets 3043 1/2 lbs., or without… | ||
| scan0153 | Breakdown of the Wraith chassis and accessory weights. | ||
| View original record | 30.8.38. c. q. lbs. Wraith chassis weight. 26 2 11 Accessories 3 8 Extra weight 2 16½ _____________________________________ 28 0 7½ or 3143½ lbs. Accessories. Bumper front 23 lbs. Lamps. 29 Seapak 4… | ||
| scan0154 | The failure of 20 HP wing stays during testing. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.L. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to CW B. Wor. Expl. No. +5390 REF HS2/LG29. 8. 25. 20 HP. WING STAYS. +5820… | ||
| scan0155 | Inquiry about sourcing replacement front wings for a 20 HP 'India' chassis with a Windover body after 20,000 miles of use. | ||
| View original record | To LHS. from Hs. x5390 Hs4/LG28. 9. 25. x5390 x5630 We were recently supplied with 2 Windover open touring bodies for 20 HP. 'India' chassis. One of these cars has completed 20,000 miles in France and… | ||
| scan0156 | Telegram received by telephone concerning wings for various car bodies. | ||
| View original record | RR 144A (50BKS.) (DB 914 6-5-25) MP 317354 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Handwritten Reference: X5390 Time Received: 10-56 Date: 1-10-25 To: Ryce Derby By: NORA from: London 10-15… | ||
| scan0157 | Confirmation of telegram correspondence regarding the production and dispatch of front wings. | ||
| View original record | S/W. X5390 C/Hn14/MHL1.10.25. Hs4/LG28.9.25. We confirm having telegraphed you this morning as follows:- "Hives can send front wings for Windover Twenty Torpedo Tuesday wire instructions" and… | ||
| scan0158 | The failure of step irons and front mud-guard stays on 20 HP and 40/50 HP models. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. X5380 Hs4/LGS. 2. 26. 20 HP. & 40/50 HP. - STEP IRONS. X8390 X8380 Every car which we have tested in France for 10,000 miles has had… | ||
| scan0159 | Requirement of a chassis for a Saloon Cab De Ville body nearing completion at Hoopers for India. | ||
| View original record | X5390 To Hs/Rn. from EV. EV2/M26.3.27. RE. SALOON CAB DE VILLE - INDIA. X.5770 X.5830 X.5390 The body for the above is nearing completion at Hoopers and we wonder whether you have got a chassis which… | ||
| scan0160 | Change in the factory process for fitting 20-HP Chassis front wing irons due to customisation difficulties. | ||
| View original record | X5390 To - L.H.S. from Pt. Copies to:- W.R. Hs. P. dictated 30.5.27. 20-H.P. Chassis Front Wing Irons. It seems it is quite impossible to design these so that they will invariably be adaptable for the… | ||
| scan0161 | Unsuitability of standard wings when fitting 19' rims to a 20 HP model. | ||
| View original record | To R: from Hs/Rn. c. to BJ. Wor. c. to RG. E. c. to BY. DA. X5390 Hs. absent. Hs/Rnl/LG19.7.27. 19" RIMS FOR 20 HP. We have been running a set of wheels with 19" rims on the 20 HP. At present the true… | ||
| scan0162 | Part number changes and experimental fitting of mudwings for a 20-HP chassis. | ||
| View original record | C. Hs/Rm. 45390 BY/HEB/12/M.12.8.27. 20-HP. CHASSIS. MUDWINGS - SEC:7001. Further to our memos' BY/HEB5/ML.5.8.27, and BY/HEB6/ML.3.8.27, by which we issued the Special parts required for Side and… | ||
| scan0163 | The replacement of experimental front mudwing stays with new designs for the 20-HP chassis. | ||
| View original record | C. Hs/Rm. X5390 BY/HEB5/M.22.8.27. 20-HP. CHASSIS. MUDWINGS - SECTION 7001. Further to our memo 'BY/HEB12/M.12.8.27.' by which we issued the Front Mudwing and Dripper to suit 31 x 6 Dunlop Cord… | ||
| scan0164 | The standardisation of sheet steel wing stays and the mounting of headlamps. | ||
| View original record | 45590 C. from DA/EV. c. to R. BY. Hs. DA/EV/M21.11.27. RE. SHEET STEEL WING STAYS. X.8390 X.5390 X.1357 X.4555 We have been trying for over a year to get these in a condition fit for standardisation.… | ||
| scan0165 | Front and rear wheel clearances for the 'India 3' model with specific instructions for the Derby facility. | ||
| View original record | To BY. from DA/EV. c. to Hs. X 5390 Ev5/26.6.28. INDIA 3. X.615 X.5800 FRONT AND REAR WHEEL CLEARANCES. X.5390 X.5810 We send herewith N.sch.2619 shewing the front and rear wheel clearances for India… | ||
| scan0166 | Specifications for body brackets, step irons, and side levers for the India 3 model. | ||
| View original record | To BY. from DA/EV. c. to Hs. Y5390 RE. BODY BRACKETS, STEP IRONS & SIDE LEVERS - INDIA 3. X.5390 X.5830 We send herewith N.sch.2620 shewing the body brackets, step iron and side levers for India 3.… | ||
| scan0167 | Wheel carrier and step brackets for the first car. | ||
| View original record | contd :- -2- connection with the wheel carrier. For the first car there is no side carrier so there is no urgency for this. Details of the other step xxxxx brackets will follow in a day or so. The… | ||
| scan0168 | Resetting intermediate and rear step irons, and a proposal to increase their length. | ||
| View original record | 9 X.5340 BY. from DA. c. to BJ. Hs. DA2/M5.7.28. INDIA 3. STEP IRONS. Herewith we send N.sch.2644 - intermediate step iron and N.sch.2645 rear step iron, which have been reset to suit the lower… | ||
| scan0169 | Outlining the specifications and schedule for fitting a Barkerlite Coupe body onto the India 3 chassis for Mr. Royce. | ||
| View original record | X. 5390 To CWB. from EV. c. to Hs. EV1/7.7.28. RE. BARKERLITE COUPE ON INDIA 3. X.5830 It is very good of you to assist me in getting this body for Mr. Royce. Perhaps I had better give you a rough… | ||
| scan0170 | Letter from coachbuilders Barker & Co. confirming that parts for Mr. Royce's 20HP F.C. Coupe are ready for collection. | ||
| View original record | From BARKER & Co. (Coachbuilders), Ltd. (By Appointment to H.M. THE KING AND H.R.H. PRINCE OF WALES.) Olaf Street, Latimer Road, Notting Hill, London, W.11. Telephones { 6200-1-2 | 3-4 } PARK.… | ||
| scan0171 | Reduction of wheel arch height for a 20 HP model with 5¼ inch tyres and 21 inch rims. | ||
| View original record | √5390 SG/HN. from DA/EV. c. to Hs. DA/EV2/M14. 8. 28. X5810 X615 X5390 20 HP. WHEEL ARCHES - 5¼" TYRES. 21" RIMS. We thank you for your SG/HN8/ED8. 8.28. and your SG/HN20/ED31.7.28. We note that you… | ||
| scan0172 | Buffer penetration tests and wheel arch sizes for different tyres. | ||
| View original record | X5390 DA/EV. from Hs/Rn. c. to BY. c. to Sg. Hs/Rm3/LG23.8.28. Y615 / Y58-10 3.7.28. With reference to DA/EV2/M14.8.28 and DA/EV3/M Our tests on buffer penetration shew that we can get 4 5/8" bump… | ||
| scan0173 | Front wings without a mud-lip, which results in mud spraying onto the car body and windscreen. | ||
| View original record | X5390 To DA/EV. from Hs/Rn. Hs/Rm6/LG31.8.28. FRONT WINGS - 12-G-4. X.5390 X5830 The front wings of this car have no mud-lip on them. We do not know whether they were made like this with a specific… | ||
| scan0174 | Absence of mud-lips on front wings and proposing a modification. | ||
| View original record | X5390. HS/RM. FROM DA/EV. ORIGINAL DA/EV1/M3.9.28. FRONT WINGS - 12-G-4. X5390 We are sorry to hear that the front wings on this car have no mud-lip on them. In the specification of the car sent to… | ||
| scan0175 | Outlining specifications for front wings, headlamps, and wheel carriers for the India 4 model. | ||
| View original record | Y5390 Hs. from DA/EV c. BY DA/EV1/M30.11.28. RE INDIA FRONT WINGS, HEADLAMPS, ETC. We thank you for your wire, to which we replied, and confirmed. The wing stays for India 4. are standard 20 HP. wing… | ||
| scan0176 | Valances and steps for a 14.G.4. Sedanca model. | ||
| View original record | to MR. from EV. O/Y5390 EV1/30.11.28. copy to MR. HS. 14.G.4. SEDANCA. Y5390 VALANCES AND STEPS We send herewith N.Sch.2768. shewing the valances and running boards for the above car, which have to be… | ||
| scan0177 | Required modifications and discovered issues for a Hooper Sedanca, chassis 14-G-4. | ||
| View original record | Hs. from DA/EV. c. to BY. Cx/Hn. X5390 DA/EVL/M18.12.28. RE. HOOPER SEDANCA - 14-G-4. X.5390 X.5830 X.5530 We noticed that you had not had time to fit the runningboard toolboxes. Mr. Royce wished all… | ||
| scan0178 | Failure of front wing stays on car 14-G-4, attributing it to abnormal fatigue from excessive twisting. | ||
| View original record | X5390 HS/RM. FROM DA/EV. SECRET. DA/EV1/M8.1.29. FRONT WING STAYS - 14-G-4. Thank you for your HS/RM1/LG3129. We note that all the front wing stays have broken on 14-G-4. These were standard 20HP.… | ||
| scan0179 | Letter to Hooper & Co. Ltd. requesting a new pair of front wings for a Sedanca 14-G-1V. | ||
| View original record | 45390 Expl: Dept: Hs/AJL1/LG. Feb. 8th. 1929. Messrs. Hooper & Co.Ltd., 77 Kings Rd., Chelsea, London S.W. Dear Sirs, For the attention of Mr. Carpenter. Re. Sedanca 14-G-1V. We require a new pair of… | ||
| scan0180 | Letter from coachbuilder Hooper & Co. regarding the manufacture and dispatch of a pair of front wings for a Sedanca car. | ||
| View original record | X5390 HOOPER & CO. (Coachbuilders) Ltd BY APPOINTMENT AGENTS FOR ALL THE LEADING MOTOR CARS BY APPOINTMENT Motor Body Builders and Coachbuilders to: HIS MAJESTY THE KING. BY ROYAL WARRANT HER MAJESTY… | ||
| scan0181 | Order to be placed with Messrs. Hooper & Co. for front wings for a Sedanca car. | ||
| View original record | To ROY. from Hs. /5390 Hs2/LG11.2.29. RE. SEDANCA - 14-G4. In connection with the attached, will you please arrange to send Messrs. Hooper & Co. an order for the front wings for the above car. Hs.… | ||
| scan0182 | Letter from coachbuilder Hooper & Co. confirming the dispatch of two wings and apologizing for a delayed response regarding a Sedanca. | ||
| View original record | X5390 HOOPER & CO. (Coachbuilders) Ltd BY APPOINTMENT BY APPOINTMENT AGENTS FOR ALL THE LEADING MOTOR CARS Motor Body Builders and Coachbuilders to: HIS MAJESTY THE KING. BY ROYAL WARRANT HER MAJESTY… | ||
| scan0183 | Gauge of wing stays and the design of head-lamp brackets for P.2 and 20/25 HP models. | ||
| View original record | X5390 To By. from Ev. EV2/12.4.30. c. DA. HS. c. (For Sales) X7340 X5390. WING STAYS. The wing stays of P.2. are .128 ins. thick (SWG. IO) and have a stiffener at the base. As far as we can tell the… | ||
| scan0184 | Modifying wing stays for the 20/25 HP chassis and removing the lamp as the cause of trouble. | ||
| View original record | DA. c. to DA/EV. c. to HS. c. to C. COPY. X5390. BY1/G.14.4.30. X. 7390. X. 5390. WING STAYS. EV2/12.4.30. There has been no previous suggestion to alter the gauge of the wing stays on the 20/25 HP.… | ||
| scan0185 | Modifications to wing stays for the 20/25 HP model. | ||
| View original record | X5390 To Da. from Ev. c. By. Hs. EV3/15.4.30. WING STAYS. 20/25 HP. A.7390 X.5390. You will have received our EV2/12.4.30 re the above. We thank you for your report on the wings and stays of 14-G4. We… | ||
| scan0186 | Revised wingstays, crossmembers, and lamp brackets for the 20/25 HP model. | ||
| View original record | SECRET. X5390 To By. from Da/EV. c. Sg. Hs. Whr. Da/EV1/24.4.30. X5390 REVISED WINGSTAYS, CROSSMEMBER & LAMP BRACKETS 20/25 HP. X5380 X5800 We send herewith N. Sch. 3089m shewing the revised wing… | ||
| scan0187 | Decision to provide two-wire instead of three-wire concealed wiring for the lamps on the 20/25 HP chassis. | ||
| View original record | DA/EV. c - Sg. c - Hs. c - Whr. X5390 BY1/W.3-5-30. x5390 x5380 s800 SECRET. REVISED WING STAYS, CROSS MEMBER AND LAMP BRACKETS. - 20/25 H.P. CHASSIS - With reference to 'N' Scheme 3089, showing the… | ||
| scan0188 | Sending a chassis for approval of a Phantom II type head-lamp bracket on a 20/25 HP chassis. | ||
| View original record | COPY. X5390. W/S. C. From Hs/AJL. X.7960. X.5840. X.5800. X.5390. Hs/AJL.1/MJ.23.6.30. 14-G4. We are sending this chassis for your approval of the appearance of the Phantom ll type of head-lamp… | ||
| scan0189 | Extract from a report on tests of completed cars regarding unsatisfactory wing stays and headlamps. | ||
| View original record | EXTRACT FROM : X5390. DA/EV1/M26.6.30. REPORT ON TESTS OF COMPLETED CARS: X.5770. X.7770. (9) It was pointed out that the wing stays and headlamps on the present 25 HP. are unsatisfactory, and we are… | ||
| scan0190 | Providing feedback on the design of headlamp brackets and wing stays for the 20/25 HP model. | ||
| View original record | X5390. By. ) FROM DA/EV. Hs. ) Copy to C. Whr. Cx. PN. Da/Ev2/M26.6.30. X. 5800 X. 5390. 20/25 HP. HEADLAMP BRACKETS AND WING STAYS. 14-GIV. was viewed by the Sales officials and myself at Conduit… | ||
| scan0191 | Extract from a report on tests of completed cars, concerning new headlamp brackets for the 'S' series chassis. | ||
| View original record | X5390. EXTRACT FROM :- BY/Cgh5/G.5.7.30. REPORT ON TESTS OF COMPLETED X.5770. CARS. X.7770. ----------------------------- With reference to Da/EVl/M.26.6.30., we give below our reply to the various… | ||
| scan0192 | The significant costs associated with a new design of Front Wing Stays for the 20 HP Chassis. | ||
| View original record | 853290. RECEIVED AUG 1930 To BY. from ROY. c. to WOP. c. to HS. ROX6/MG22.8.30 Front Wing Stays for 20 HP. Chassis As you are aware, we have had carious instructions regarding supply of these details… | ||
| scan0193 | Cost of cancelling an order for Mudwing Stays and Stiffeners for the 20/25-HP Chassis 'S' Series. | ||
| View original record | By. c. to Hs. c. to Wer. X5390 ROY/MS1/P.9.9.30. 20/25-HP CHASSIS - "S" SERIES - 50 & ONWARDS The cost of Cancelling the following Mudwing Stays and Stiffeners, ordered for "S" Series - which are at… | ||
| scan0194 | Introduction of new front wing stays for the 20/25 HP chassis. | ||
| View original record | RECEIVED SEP 11 1930 HS ROY c. Hs. X5390 BY/Cgh5/G.11.9.30. 20/25 HP. CHASSIS. FRONT WING STAYS. With reference to ROY/MS1/P.9.9.30. the new front wing stays are necessary with the scheme for carrying… | ||
| scan0195 | Standardisation of headlamps and the use of existing 20/25 HP wing stays. | ||
| View original record | X5390. By. from,Hs. C. Wor. Hsl/AD11.9.30. Y5390 Y5800 20/25 HP. WING STAYS. Referring to Roy/Msl/P9.9.30. Now that we have standardised head lamps off the frame instead of off the front wing stay, it… | ||
| scan0196 | Standardisation of chassis parts for headlamps and stronger wing stays to improve the 'jellying' on the front of the car. | ||
| View original record | RR 755 (10H) (3-7-30) BM. 6/2571. 15390 COMPLETED 27.9.30. STANDARDISATION of CHASSIS PARTS. Date 30.6.30. Description of Parts. HEADLAMPS CARRIED OFF THE FRAME AND STRONGER WING STAYS. WING STAYS TO… | ||