Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Note detailing the completed assembly of Chassis 1. E+X, listing parts and their corresponding S.S. numbers. | ||
| View original record | RHC1/LG3C.6.19. RE CHASSIS 1. E+X. The above chassis is now complete and it has been assembled as follows:- ✓ "G" SECTION. S.S. No. X.3458. Rear Hub and Brake G.6383. X.3425. Foot Brake Adjustment.… | ||
| img002 | Notes from a visit to Mr. Royce concerning preferences for wheels and specifications for the dynamo and electrical system. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. HS & WOR VISIT RR at NW Extract from EH1/LG16.12.18. Broad Spec/n for 40/50 Electrics DYNAMOS ELECTRICS The following notes were taken during Mr.… | ||
| img003 | Post-war policy decisions and experimental work following a conference. | ||
| View original record | Include // POST-WAR ELECTRICS - POLICY, TENTATIVE BROAD SPEC' DECISIONS COPY R SUGGESTS INCREASE IN 1st ATN BATCH SIZE ABOVE 500 To R. from E. Copy to TBB. " " DA. " " BY. " " OY. " " EH. (Hs). " "… | ||
| img004 | Covering aero engine flight testing, car production expansion, radiator design choices, and battery ignition cam specifications. | ||
| View original record | To R. from E. -2- E1/G30119 Contd. (1) OBSERVATION OF AERO ENGINES ON ACTUAL FLIGHT TESTS It is considered necessary for R.R. services testers to go up in the air with machines. Mr. Royce says certain… | ||
| img005 | Technical memorandum discussing ignition, lighting, battery, and chassis fuel feed systems for new car models. | ||
| View original record | To R. from E. -3- EL/G30119 Contd. It should be made certain that the high tension rotor contact on the distributor is late, and the tail sufficiently long to avoid the danger of firing the engine in… | ||
| img006 | Page 4 of a memo discussing an air valve mechanism, an anti-theft lock, valve gear covers, and foot warmers. | ||
| View original record | -4- To R. from E. E1/G30119 Contd. mechanism. He further suggests using only one air valve, which would shut off a little intermediate chamber from which the engine driven pump was sucking, as shown… | ||
| img007 | Approvals and considerations for vehicle components like foot warmers, fenders, starting handles, and valances. | ||
| View original record | To R. from E. -5- E1/G30119 Contd. Mr. Royce approved of the suggestion to leave a union of about .625" diameter on the exhaust pipe for this purpose. Mr. Olley will make enquiries as to what foot… | ||
| img008 | Bodywork, tool box formation, and a rack and pinion method for reducing window rattles. | ||
| View original record | To R. from E. -6- E1/G30119 Contd. mounting or dismounting from the car. This outside valance in combination with the inside valance, supplies a convenient means of forming tool boxes on those cars… | ||
| img009 | The adoption of new pistons and the use of scraper rings in engines. | ||
| View original record | 7CA o 49 GB PISTONS, RINGS OIL CONTROL COPY. RM/65 L140 Issues filed in X 1176 & 1359 To Wor. for EH. } from R. " E. Copy to J. " " EP " " Na. R6/IB12515. May 12th. 1915. Re Pistons. ----------… | ||
| img010 | Experiments on cylinder suction, scraper rings, and the use of Zephyr pistons. | ||
| View original record | To EH & E. from R. R6/IB12515. With reference to the suction in the cylinder having no effect on the oil passing the piston, I am quite willing to agree with Mr Hives' experiments, although they do… | ||
| img011 | Advantages of a new cast iron piston design for potential use in car 49GB. | ||
| View original record | To EH & E. from R. 3. There will, however, be a fresh one to be made in cast iron exactly like those tested in the aero engine, but with the piston pin in the correct position. Such a piston will suit… | ||
| img012 | Extract from a report detailing poor road-holding ability of a car, particularly at high speeds on bumpy surfaces. | ||
| View original record | R.R. 235 A (400 T) (S.C. 536. 15-2-16) G. 1546. 7CA & 49GB R14/W9916. September 9th 1916. EXTRACT FROM RE CHASSIS NO 7-CA. X.424 HOLDING THE ROAD. The springing of this car was most supple, and the… | ||
| img013 | Statement expressing dislike for large road wheels, considering them a disadvantage to the chassis. | ||
| View original record | -2- I certainly do not like these large road wheels and think they would be a decided disadvantage to the chassis, on account of this and other reasons given on other occasions. | ||
| img014 | Fuel and oil consumption for a post-war chassis, suggesting experiments with engine compression. | ||
| View original record | (R) 49GB Contd. X.2565 - Post-War Chassis -10) 194 (28) X.3056 Fuel Consumption. Earlier in this description I have suggested that a slow moving air valve is advantageous for petrol consumption,… | ||
| img015 | Proposing dynamometer and consumption tests for a Packard car to compare it with the 'After-The-War' chassis. | ||
| View original record | To EH. from R, c. to J. X.3056 7CA PACKARD R7/B/23.5.17. X.682 - RE "AFTER-THE-WAR" CHASSIS X.435 When the Packard was in Derby, I presume it was never put on the dynamometer, Or I should have… | ||
| img016 | Comparison of power curves for an engine using different induction pipe and carburetter configurations. | ||
| View original record | To R. from EH. c. to J. " " E. " " By. " " EP. 7CA X.3071 X.3056 EH1/AT6.6.17. X.3071 X.2751 X.2758 X.2786. X.682 - RE 7 C.A. CAR H.P. Below are power curves obtained from the engine for this car:-… | ||
| img017 | Carburettor performance, induction pipe configuration, and engine fuel consumption. | ||
| View original record | Contd. )2) induction pipe the other way up so that any raw petrol instead of running into the first cylinder will have to be lapped up. It was noticeable on the standard pipe that the 2 centre… | ||
| img018 | The road performance and fuel consumption of the 7-CA car. | ||
| View original record | 7 CA ROAD PERFORMANCE MUCH BETTER THAN S/L 40/50 IN LINE WITH HIGH ENGINE POWERS OBTAINED ON TEST-BED. EH2/AT11.6.17. To R. from EH. c. to J. c. to By. c. to E. X.682. RE 7-CA CAR. X.3056. We have run… | ||
| img019 | Note on the petrol consumption of car 7-CA at various speeds. | ||
| View original record | X.3056 7CA c✓ 196 Extract from EH6/LG10.7.17. X.682. 7-CA CAR. 66 X.3056. With reference to the petrol consumption on this car Mr. Platford has run this car for a long run. The and consumption when… | ||
| img020 | Road test comparison between cars 7-CA and 49-GB from Derby to West Wittering. | ||
| View original record | X.3056 7CA & 49GB EH3/LG30.5.18. To R. from EH. c. to CJ. ------- X.682. X.2631. X.3056. Mr. Wormald and I had an excellent run back to Derby on 7-CA. We arrived here about 4 p.m. The car came very… | ||
| img021 | Inquiry about the properties and applications of the metal alloy 'Invar' and soldering stainless steel. | ||
| View original record | To EFC. from R. Copy to CJ. " " EH. " " Mr. Hall. ORIGINAL X 3404 RE "INVAR". There is a metal called "Invar" which has a temperature coefficient expansion of practically nil. I have one or two… | ||
| img022 | Specifications for a dynamo and ignition system for a 4 1/2' car engine, and issues with a previous Lucas system. | ||
| View original record | From R. copy to EH. X.294 X.3014 ORIGINAL RE DYNAMO FOR 4½" CAR ENGINE. 4 11th November, 1918. R6/G111118. 7CA As far as I can remember, the best we have installed for a convenient speed, and probably… | ||
| img023 | Requirements and comparative analysis of car dynamo systems. | ||
| View original record | To EFC. from R. Copy to EH. " " BY. " " BJ. ORIGINAL 13 NOV 1918 RE CAR DYNAMO. 4 11th November, 1918 R12/G111118. X. 3231 X. 3014 X. 3374 (1) I do not think the system adopted by Rotax, Leitner,… | ||
| img024 | Lamp testing, lighting reliability, and the weight of accessories. | ||
| View original record | To EFC. from R. -2- X.3362 R12/G11118 Contd. (7) The first lamp we tried of those you sent, failed by blackening in 7½ hours, the next one is shewing no deterioration after 32 hours. (8) Re (4) can… | ||
| img025 | New standard car model for the post-war period, detailing various improvements. | ||
| View original record | To EH. from R. BY. copy sent to EFC. ORIGINAL. 6 20th November, 1918. R5/G201118. 21 NOV 19 X. 2565 X. 3014 must Other nos X.3082 RE NEW MODEL OF PRESENT STANDARD CAR FOR "AFTER THE WAR" X.496 X.1295… | ||
| img026 | Outlining proposed post-war modifications for the 40/50 HP chassis, specifically regarding back axle tubes. | ||
| View original record | MODS TO POST WAR 40/50 7CA ORIGINAL! from R. X.2565 RE 1000 - 40/50 H.P. CHASSIS. X.682. I expected before now that we should have received 7 CA with the modifications proposed for the first batch of… | ||
| img027 | Design notes regarding the manufacturing of bevel gears, transmission components, and brake liners. | ||
| View original record | TO BY. from R. -2- R4/G261118 Contd. The actual radius need not be to an exact dimension but we must be careful to avoid square corners, and "digging in" of turning tools. There are other points about… | ||
| img028 | Alternatives for aluminium brake shoes, road wheels, and steering gear components. | ||
| View original record | To BY. from R. -3- R4/G261118 Contd. to fit the aluminium brake shoes, as is used by the Panhard people. I believe one of these has fractured on test, but it is a point which can be easily… | ||
| img029 | Modifications to a cross steering tube, a new joint design, and a stub axle failure. | ||
| View original record | To BY. from R. -4- R4/G261118 Contd. cross steering tube has resulted in the modification being made, which was sent to you on LeC.537. Be sure to include this modification in the chassis under… | ||
| img030 | Design details for road springs, aluminium pistons, and valves. | ||
| View original record | To BY. from R. -5- R4/G261118 Contd. wheel carefully formed, and polished with fine emery cloth. (8) ROAD SPRINGS. X.2628. X 1295 X Regarding the road springs, I have written about these recently. I… | ||
| img031 | Ignition gear modifications, trembler coil issues, and valve spring breakages. | ||
| View original record | To BY. from R. -6- R4/G261118 Contd. valve springs have been broken through the valve motion jumping the cams. (11) IGNITION GEAR. X 3129. We understand that Mr. Clark is modifying the six-cylinder… | ||
| img032 | Modifications to coils and condensers, with a note that further details on radiators, starters, and dynamos will follow. | ||
| View original record | To BY. from R. -7- R4/C261118 Contd. confirmed by recent observations of purchased coils. It will be remembered that there are modifications to these coils which should be embodied in all coils coming… | ||
| img033 | Carburation and fuel consumption tests on car 49-GB, comparing post-war and pre-war petrol performance. | ||
| View original record | X3056 49GB To R. from EH. c. to CJ. c. to E. c. to By. EH7/LG4. 2.19. X.2768. X.2784. X.3056. X.2631. - TESTS ON 49-GB. We have been carrying out several tests on 49-GB with the carburation. We found… | ||
| img034 | On fitting a radiator blind and the impact of aluminium versus cast iron pistons on engine carburation in cold weather. | ||
| View original record | Contd. -2- EH7/LG4.2.19. We think that fitting the blind to the radiator on our cars is very urgent. We suggest that the fact of fitting aluminium pistons makes the running of the engine under cold… | ||
| img035 | Engine performance improvements observed after partially blocking the radiator to increase running temperature. | ||
| View original record | To EH. from R. c. to CJ. c. to EP. c. to JCR. COPY. 13th. March 1919. R1/G13.3.19. TCA 199 RE: CAR 7-CA. ✓ c X.682 X.3056✓ X.3456 I had occasion to use the big car the other day when the temperature… | ||
| img036 | Radiator modifications and an extra water jacket for Car 7-CA to improve engine performance. | ||
| View original record | To EH. from R. Car 7-CA (2) RL/C13.3.19. 200 suggest that we fit on the inside of the radiator, next to the fan, a complete piece of ply the full size of the radiator with a round hole in the centre… | ||
| img037 | Consumption test report for a 40/50 chassis at various speeds. | ||
| View original record | To R. from EH. c. to CJ. c. to Bn. c. to E. c. to Da. X.3066 49 GB EH3/LG12.5.19. 12th. May 1919. X.3056. CONSUMPTION TEST ON A 40/50 CHASSIS AT VARIOUS SPEEDS. X. 2631. These tests were taken on… | ||
| img038 | Sending K.L.G. sparking plugs for chassis X.1918, with cleaning instructions and notes on a new spring wire terminal. | ||
| View original record | To R. from EH. c. to CJ. c. to Bn. c. to E. c. to BY. c. to Da. 7 CA - R's CAR BEFORE 1 EX EH2/LG/14.5.19. ORIGINAL. 14th. May 1919. RE SPARKING PLUGS FOR CHASSIS. X.1918 We are sending to you 12… | ||
| img039 | Stiff and seized brake cable forks on chassis 7 CA, including Mr. Royce's recommendations for modifications. | ||
| View original record | R's Pt POST WAR EXP CAR 7 CA. To EH. from E. c. to CJ. c. to Bn. c. to Da. c. to BY. c. to EFC. X.3458 E6/G1.8.19. X.682. RE 40/50 H.P. CHASSIS BRAKE CABLE FORKS. X.3458. While chassis 7 CA was being… | ||
| img040 | The testing of a low-geared back axle to improve acceleration and performance. | ||
| View original record | To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. Handwritten: X.3056 Handwritten: 49 GB Hs3/LG12.2.20. X.2631. - RE LOW GEARED BACK AXLE. X.3056. X.3545. We are running on 49-GB an axle… | ||
| img041 | Brooklands test results for the 49 GB model, focusing on the selection of axle gears for different body types. | ||
| View original record | To HS. from R. Copy to Cl. " " " H. " " " EFC. ORIGINAL 5 R11/G25/6/20. RE TESTS CARRIED OUT ON 49 GB AT BROOKLANDS. We are interested in the Brooklands test of the speed shewing the advantage of the… | ||
| img042 | Test data sheet comparing acceleration and speed with different car configurations and axle ratios. | ||
| View original record | Test Condition of Car, No., Compression, Acceleration 10 to 60 MPH top gear, axle ratio 15 X 52, axle ratio 16 X 52, 1/4 mile flying start, axle ratio 15 X 52, axle ratio 16 X 52, Lap Speed, axle… | ||
| img043 | Axle ratios and tyre sizes affecting car speeds for pre-war 40/50 models. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 To R. from HS.✓ c. to CJ. c. to BN. c. to E. c. to DA. c. to PN. c. to H. ORIGINAL 5 Hsl/LC30.6.20. AXLE RATIOS, 40/50. The pre-war Cars when fitted with a 16… | ||
| img044 | 400-mile test run of chassis 1.E.X, detailing performance, fuel consumption, and vibration issues. | ||
| View original record | X 3058 Bn - 400 MILE TEST RUN ON 1 EX. Bn5/W28.7.19. contd. Chassis 1.E.X -6- Consumption. with the water boiling. With so much boiling the top of the radiator got very dirty with the rusty water, as… | ||
| img045 | Car's performance, noting its success but detailing issues with piston knocking when cold and lubrication. | ||
| View original record | R PRAISES 'MODEL' FOR PWWI PROD CARS 'A GREAT X 740 SUCCESS' R3/G21.8.19. 1EX EXCEPT FOR PISTON KNOCKS(COLD) R ASKS - BCD? COMPARES 7 CA KNOCKS. To EH. from R. c. to CJ. c. to BN. c. to DA. c. to BY.… | ||
| img046 | Solutions for piston knock issues, focusing on engine oiling systems and extra lubrication during starting. | ||
| View original record | PISTON KNOCKS & OILING MAINLY / EX To EH. from R. -2- R3/G21.8.19 crankchamber has oil of sufficient body, we would like the surfaces of the pistons to become oiled before the engine is put under… | ||
| img047 | Engine piston performance, compression, and lubrication issues. | ||
| View original record | Contd. -3- R3/G21.8.19. succession. This depended on speed only. I noticed that 1 EX. was particularly tight in compression, showing that the pistons and valves held the gas extremely well. I am very… | ||
| img048 | Extract detailing tests on engine oiling, consumption, carbon deposits, and piston design modifications. | ||
| View original record | R.R 235 A (100 T) (S F. 576. 16 4-19) G. 2354 IEX X.3056. Extract from EHI/LG20.9.19. X.3437. X.3056. OILING. As regards oiling, we have run 1. EX with the extra oil on the whole time; we have had no… | ||
| img049 | Modifications to the battery ignition system and their effects on engine performance. | ||
| View original record | To D.M. from R. Copy to CU. " EH. " &f. X.3129.X.3713. ORIGINAL / EX RE BATTERY IGNITION. R4/G1/11/19. (6. 3 NOV 1919 X.3714. X1812. On Friday we changed the postion of the coil to close to the… | ||
| img050 | Ignition faults, attributing sooty plugs to poor quality petrol and recommending porcelain plugs as a remedy. | ||
| View original record | To BN. from R. -2- in the ignition may result in an improvement. The faults I have seen have only been capable of being met by changing the plugs to clean ones, and therefore conclude that the fault… | ||
| img051 | Refitting of chassis 49 GB and 1 EX with newly standardised parts. | ||
| View original record | To EH. from R. Copy to CJ. " " BN. ORIGINAL. R3/G12/11/19. 5 RE CHASSIS 1EX AND 49GB. ~~X 2565~~ ~~X 2631~~ X 3558 When you have refitted 49 GB, this car, which is not saleable, would suit my purpose… | ||
| img052 | Expressing frustration over delays in implementing improved battery ignition wiring to make it more efficient and less 'scraggy'. | ||
| View original record | To BN. from R. Copy to C.J. " " BY. " " DA. " " CK. " " HS. R-RESENTS 'SCRAGGY LOOK' IGN WIRING. ORIGINAL. D R7/G8/12/19. Ref R4/G1/1/19 9 DEC 1919 R-RAMPANT X3129 RE BATTERY IGNITION. X.B713. X.3714.… | ||
| img053 | Dissatisfaction with existing electrical wiring and instructing the procurement of neater, smaller diameter wire. | ||
| View original record | UNTIDY ELECTRICAL WIRING - R's EXASPERATION 1 EX LEADS (ULTIMATELY) ORIGINAL R5/G8.12.19. TO FULL ENCLOSURE IN ALUM CONDUITS. R. RAMPANT To BN. from R. c. to CJ. c. to Da. c. to BY. c. to Wor. c. to… | ||
| img054 | Dissatisfaction with the electrical work and finish on a model chassis. | ||
| View original record | R5/G8.12.19. -2- Contd. any harm. I must say that in some respects the Works have not done what I expected in this electrical work in regard to completing and fitting up neatly the model chassis, i.e.… | ||
| img055 | Investigation into battery ignition failure, concluding that wider spark plug gaps prevent misfiring at low charges. | ||
| View original record | To BN. from R. Copy to CJ. " " HS. " " CK. " " PN. " " FP. " " HM. X.3129 ORIGINAL. RE BATTERY IGNITION. R1/G30/12/19. 1EX IGN. X.3445 X.1812 X.3763 X.3413 On 1 EX. it was observed that the ignition… | ||
| img056 | Experiments to improve battery ignition by adjusting spark gaps, insulation, and coil windings. | ||
| View original record | To BN. from R. -2- R1/G30/12/19 Contd. metal tube for the conductors, because it has been determined that doing this allows of a fairly considerable increase in the length of the spark gap on the… | ||
| img057 | Starter switch position and ignition coil construction. | ||
| View original record | To CK. from R. Copy to CJ. " " BN. EL STARTER SW BATT IGN COIL CONST'N ORIGINAL R2/G7/1/20. 1EX 2EX X3129 RE BATTERY IGNITION ETC. X.3768 X.3445 X.3034 STARTER SWITCH.- On 1EX. the starter switch is… | ||
| img058 | Decision to revert to pinned valve tappets for the 40/50 HP chassis due to noise issues. | ||
| View original record | TO DA. from E. Copy to L.J. " " BN. [struck through] " " JHH [struck through] " " AJW [struck through] " " CW. [struck through] " " EFC. ORIGINAL 1EX DA2/G20/11/19. (2) X.3733. RE PINNED VALVE… | ||
| img059 | Sale of an experimental car and specifications for its replacement, including paint and material details. | ||
| View original record | E F C [Stamp: RECEIVED 7 APR 1920 WORKS CK] from D ORIGINAL R1/G24/3/20. 92 RE EXPERIMENTAL CAR FOR WEST WITTERING OF 40/50 H.P. TYPE. X.3928. Mr. Hives suggests that 1 EX. be sold, as it now contains… | ||
| img060 | Ignition and Klaxon failure on chassis 1 EX due to a blown fuse, discussing the reliability of Lucas components. | ||
| View original record | To EFC. from R. Copy to CJ. 1 EX ORIGINAL 10 JUN 1920 RECEIVED X37434. RE CHASSIS 1 EX 1 EXa R13/G8/6/20. X.3129 X.3749 X.1163. X.3014 L X.2515 The failure on 1 EX. of ignition and Klaxon was due to a… | ||
| img061 | Design flaw with the junction/distribution box on the 40/50 HP chassis. | ||
| View original record | To EFC. from E. Copy to CI. " " BN. " " HS. " " DA. " " BY. x 1804 ORIGINAL 1 EX 6 E1/G14/6/20. Junction RE DISTRIBUTION BOX - 40/50 H.P. CHASSIS. x 3763b The distribution box lid on chassis 1 EX. can… | ||
| img062 | Cause of noisy 'singing' dynamos, suggesting the issue is slack bearings. | ||
| View original record | To EFC. from R. Copy to CJ. HS. ORIGINAL. x.294 RE DYNAMOS. R6/G28/6/20. x.3014b 1 EX (V. NOISY) DYNAMO & CUTOUT Regarding the singing of the dynamos, we feel certain that this gets worse in time,… | ||
| img063 | Engine overhaul of chassis 1 EX and its oil change to 'Castrol'. | ||
| View original record | R GIVES PARTING "CAREFULL OVERHAUL" TO 1 EX ORIGINAL E8/G6/8/20 TO HS. FROM E. Copy to CJ. X.3763 RE 1 EX. X.1583 Kindly note that the engine of chassis 1 EX. was emptied and refilled with "Castrol"… | ||
| img064 | Test report on a car's performance after a 300-mile run, noting its speed, handling, and fuel consumption. | ||
| View original record | To Hs. from R. c. Da. c. C.J. c. P.N. X.3763 R. on 1 EX : THE BEST CAR I HAVE EVER HAD ORIGINAL 9cE.C. (5) R24/H10. 8.8.20. RE 1.EX. I have run this 300 miles and I am very pleased with it; from every… | ||
| img065 | Condition and recommended work on a car, covering tyres, dynamo, carburettor, and exhaust. | ||
| View original record | contd. -2- You will remember I strongly advocated well pumped tyres for Isle of Man TT. 1906, to get low petrol consumption. The battery is good, but probably low, as dynamo is unreliable, and perhaps… | ||
| img066 | Test report on the performance of car model 1.EX after a 300-mile drive, covering speed, handling, tyres, and fuel consumption. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 [Handwritten Annotation] PWW1. 40/50 R's FIRST REACTIONS TO 1 EX. (SECOND TIME ROUND?) To Hs. from R. c. to Da. c. to CJ. c. to PN. R24/H10.8.20. X.3763. re… | ||
| img067 | Modification work on car 1.EX and proposing an exchange for car 6.EX. | ||
| View original record | Handwritten text: R to CHANGE 6.EX FOR 1 EX @ W.W. NOW MODIFIED. NEW IMPROVED LUCAS DYNAMO, SWITCHBOARD, 6-RING PISTONS, SPRING INTERLEAVING, SOLID (NOT SPLIT) BOTTOM REAR LEAF, LATEST SHOCK ABSORBERS… | ||
| img068 | From Mr. Royce detailing the performance evaluation of the 1.EX car after a 2,000-mile run. | ||
| View original record | Ro. GENERAL EVALUATION 1EX COPY OF MEMORANDUM FROM MR. ROYCE. To CJ. from R. R1/C26.9.20. My dear CJ., X.20. X.3056. X.2565. RE PRODUCTION CARS. X.3763. X.2628. X.4050. X.3461. I have just completed… | ||
| img069 | Technical discussion on improving vehicle ride comfort by modifying tyres and suspension systems. | ||
| View original record | Contd. -2- R1/G26.9.20. What has been said of road pads can also be said of tyres. Pleasant riding cannot be obtained without Pneumatic tyres, and these must be allowed to deflect with the load.… | ||
| img070 | Continued report on car performance, discussing the Hawk aero engine, suspension, and driving experience. | ||
| View original record | Contd. -3- I found R.R. Cars, nearly all in the country travelling at higher speds than we usually supposed judging by the slow and silent way they are mostly driven in towns and villages. X. 3408. So… | ||
| img071 | Diagnosing an engine thud caused by a loose front cylinder block and proposing modifications. | ||
| View original record | 1 EX's DULL THUD. HS TELLS R. WAS DUE TO FRONT CYL BLOCK NUTS BEING LOOSE/HONEST (CONFESSION). THERMOSTAT & NEW SERRATED MAG. DRIVE TO GO ON 1EX. HS PROPOSES TO BRING TO WW 30-10-30. BRING 'SAMPLES':… | ||
| img072 | Listing parts required to fix a loose cylinder block, including a magneto drive and gearbox components. | ||
| View original record | Handwritten notes: R THE THUD 1EX Hs Fitting to a loose cyl block (from nuts of cam wheels) Fitting a 'U' thermostat New mag drive (serrated coupling) Coming to WW 20 - 10 - 20 bringing for approval {… | ||
| img073 | The performance improvements of fitting a 14/52 axle ratio to a 1.EX car. | ||
| View original record | To Mr. [REDACTED] C. to R.H. C. to E. C. to Da. C. to M. C. to F.H. C. to Ef. ORIGINAL 1EX Hs2/LG2.5.21. x4299 x5763 14/52 AXLE RATIO. We are running an axle fitted with 14/52 gears. The axle is good… | ||
| img074 | Cover letter for horsepower curves of the standard 40/50 engine with high and low compression. | ||
| View original record | PROP 40/50 POWER CURVES HIGH & LOW C/R To R. from Hs. c. to CJ. c. to BN. c. to K. c. to Da. c. to BY. c. to EP. c. to PN. c. to EWT. for R.R. Inc. ORIGINAL Hs2/LG5. 5.21. HORSE POWER CURVES OF… | ||
| img075 | Blueprint graph showing M.E.P. and Torque curves from Bench and Dynamometer tests. | ||
| View original record | 100 300 90 270 80 240 Bench Test - Cut Out Open. - M.E.P & Torque Curve. Bench Test. Cut Out Closed. M.E.P & Torque Curve. Dynamometer Test. Cut Out Open. M.E.P & Torque Curve. | ||
| img076 | Reverse side of a technical document or blank gridded paper. | ||
| View original record | ", | ||
| img077 | Performance chart showing horsepower, torque, and M.E.P. curves under various test conditions. | ||
| View original record | HORSE POWER, Torque, & M.E.P., Ft. Lbs., (Lbs. PER Sq: INCH), 40, 120, 50, 150, 60, 180, Dynamometer Test. Cut Out Open. M.E.P. & Torque Curve., Bench Test. Cut Out Closed. HP. Curve., Bench Test. Cut… | ||
| img078 | Blueprint graph showing performance data for different back axle ratios and tyre sizes. | ||
| View original record | BACK AXLE 16 x 52 BACK AXLE 15 x 52 BACK AXLE 14 x 52 ( TYRES) MILES PER HOUR 35 40 45 50 55 60 65 70 75 | ||
| img079 | Performance graph for the 40/50 Chassis Engine, plotting various metrics against Revolutions Per Minute. | ||
| View original record | 40/50 CHASSIS ENGINE REVS: PER MIN: 500 750 1000 1250 20 30 40 50 60 70 80 90 | ||
| img080 | Graph titled 'Low Compression' showing a relationship against revolutions per minute. | ||
| View original record | LOW COMPRESSION. Revs Per Min: 1500 1750 2000 2250 30 25 20 15 10 5 0 ROLLS-ROYCE, LTD. PRINT ROOM -5 MAY 1921 DERBY | ||
| img081 | Comparative test of a 1.EX car with a 14-tooth axle against an open Trials Car. | ||
| View original record | Hs' OFFERS PN COMPARATIVE TRIAL OF 1EX, WITH 14T AXLE re: SPEED & ACCELERATION & TO H'S OPEN TRIALS CAR ORIGINAL FN. from Hs. c. to CJ. c. to R. Hs4/LG24.6.21. X3763 X3922 COMPARISON OF 40/50 HP.… | ||
| img082 | Performance test results for different axle ratios at Brooklands. | ||
| View original record | Handwritten: 'Hs' Does To R. from Hs. c. to CJ. c. to BJ. c. to Da. Handwritten: COMPARABLE TESTS WITH 14x52 & 15x52 AXLE RATIOS LOW & HIGH CAR ON BROOKLANDS /EX Handwritten: ALSO A LAP WITH 107MG… | ||
| img083 | Performance test results for car 1.EX, a 4-seater open touring body, under various conditions. | ||
| View original record | R Particulars of car 1.EX - 4-seater open touring body - windscreen and hood - all accessories - weight complete 46¼ cwts. during tests. 15 X 52 axle ratio. Tests were taken to prove that ignition and… | ||
| img084 | Performance test results for car 1.EX, a 4-seater open touring body, comparing high and low compression engine configurations. | ||
| View original record | Particulars of car 1.EX - 4-seater open touring body - windscreen and hood - all accessories - weight complete 46¾ cwts. during tests. 14 X 52 axle ratio. Tests were taken to prove that ignition and… | ||
| img085 | List of 19 criticisms and required changes for the '1 EX' car for West Wittering, including performance feedback. | ||
| View original record | To Hs. from R. Copy to Col. ck. ORIGINAL 6 EX SPEC D X.3923 RE CAR FOR WEST WITTERING. For our guidance in the present and future output, will you kindly see that the next car to change with 1 EX.… | ||
| img086 | Requested modifications for a new car, model 4 EX. | ||
| View original record | To H.S. from R. Copy to CJ. " " B's " " DA. " " " EFC. X.3923 A NEW CAR FOR R 6-EX(? ) 3 ORIGINAL M4019/4/20. RE CAR FOR WEST WITTERING. 21 APR 1920 [Stamped] "Regarding the car for my use, I am… | ||
| img087 | Page discussing opinions on fabric universals, back axle ratios, side fillers, and paint colour schemes. | ||
| View original record | To HS. from R. -2- R4/819/4/20 contd. X.3530 (7) Fabric universals on magneto drive. (8) I am of the opinion that our cars will be found generally preferable with present ratio of back axle. It X.3532… | ||
| img088 | Extract detailing a list of parts and modifications for a car destined for West Wittering. | ||
| View original record | X.3532 Extract from R4/G19.4.20. X.3923. RE CAR FOR WEST WITTERING. 6 EX I enclose herewith a list of pieces that I understand you will be able to fit to the car I am to have, so that I may get… | ||
| img089 | Replacement of car 1.EX, outlining difficulties with fitting a new body, and proposing a new chassis and body design with a four to five-month timeline. | ||
| View original record | R.R. 235 A (100 T) (S F. 846, 6-8-19) G. 2460 To R. From Ws. c. to CJ c. to BN. c. to E. c. to Da. [Handwritten Notes & Stamps at top] A NEW CAR FOR 'R' W 6 EX - H/( ORIGINAL [stamp] EFC DELAY IN… | ||
| img090 | Typed letter requesting modifications to a car's body, steering, and controls for a car destined for West Wittering. | ||
| View original record | To HS. from R. copy to CJ " " BN " " DA [Handwritten Annotations in top right] Royce 6EX Body Mats R9/G4/5/20. D 6 MAY 1920 6EX [Handwritten Annotations in top left/center] ORIGINAL 1" HIGHER RAD &… | ||
| img091 | Fitting of a luggage grid and a detailed analysis of rear spring squeaking, suggesting solutions. | ||
| View original record | To HS. from R. Copy to CJ. x.3928. x.3507 x.3981 RE 6 EX. x.2628 ORIGINAL RECEIVED 2 - JUN 1920 I put off going to the Fens with the object of trying this car, principally owing to the strike, so it… | ||
| img092 | Preferred grey paint colour for chassis 6 EX. | ||
| View original record | To HS: from R. Copy to CJ. " " EFC. ORIGINAL D 6 EX 2 RECEIVED 9 JUN. 1920 X.D/G8/6/20. X.3923. RE CHASSIS 6 EX. If the matter has not already gone too far, I should prefer the paint on this car to be… | ||
| img093 | List of experimental parts fitted to car 6.EX, confirming arrangements to arrive at West Wittering. | ||
| View original record | X3532 Extract from Hs6/LG2 8.6.20A X.3923. RE CAR 6. EX. In reply to your telegram, we have arranged to arrive at West Wittering about 10.30 A.M. on Thrusday. The following is a list of Experimental… | ||
| img094 | Internal memorandum discussing wire wheels, tyres, and paint options for experimental chassis 1 EX and 6 EX. | ||
| View original record | To HS. from R. Copy to CJ. WIRE WHEELS & SS TYRES. on 1 EX ORIGINAL R2/G14/6/20. HOPEFULL FOR STD/N FIT to 6 EX X.392-3 RE CHASSIS 6 EX. L.3482 L.4050 I certainly think that the wire wheels having the… | ||
| img095 | Testing and replacement of low tension contact points for a battery ignition system. | ||
| View original record | To EFC. from R. Copy to CJ. " " HS. ORIGINAL 6EX 8 R5/G28/6/20. X.2894. RE LOW TENSION CONTACT POINTS. X.3817 / X.3923 s X.1815 s With reference to low tension contact points, we have replaced the… | ||
| img096 | 'R' detailing the need to expedite experimental work and production on new chassis, engines, and electrical components. | ||
| View original record | To WOM.) from R. Copy to CS. DA. BY. HY. ORIGINAL [Handwritten: X. 286] SRE NEW AND IMPROVED CHASSIS WORK. My impression is that great efforts must be made to put through the various experimental… | ||
| img097 | First impressions report and technical notes on the 6 EX chassis. | ||
| View original record | To GJ. from R. Copy to WOR. " " HB. " " DA. " " EFC. " " BJ. " " PN. " " C. " " CP. " " CV. Ro 6 EX;- FIRST IMPRESSIONS ORIGINAL RECEIVED 22 JUL 1920 X.3923. RE CHASSIS 6 EX. Mr. Hives brought 6 EX.… | ||
| img098 | Reviewing and providing feedback on various car components such as axles, springs, and bodywork. | ||
| View original record | To CJ. from R. -2- R2/G17/7/20 Contd. steering wheel should have 3" plus 1/4" tolerance from the wind-screen. The bottom of the instrument board should be at least 20" from the floor. The instrument… | ||
| img099 | Technical memo discussing issues with dynamo and speedometer drives, and proposals for future seating proportions. | ||
| View original record | To CJ. from R.. -3- R2/G1X/1X/29 Contd. X.1809 X.294 X.3735 (11) DYNAMO AND SPEEDOMETER DRIVES (RE PN'S AND 1 EX) X.3922 X.3763 Speedometer drives make a decided noise and dynamos may, through… | ||
| img100 | Standardisation of the earthed wiring scheme on the 6.EX Car. | ||
| View original record | To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Ba. c. to BY. c. to PN. Handwritten notes: Hs - REALISTIC REF ELECTRICS ON 6EX ORIGINAL WHY R.E.C CANNOT (INSTANTA) HAVE EARTHED WIRING. FIRE HAZARDS… | ||
| img101 | The standardization of an earthed wiring scheme, single contact bulbs, and the quality of dynamos. | ||
| View original record | Contd. -2- Hs3/LG20.7.20. ---------- if we say we are going to insist on the single contact bulb holder then we want to realise the difficulties customers may have in obtaining lamps with suitable… | ||
| img102 | Modifications to switchboards and wiring for the Smith Dynamo, including a fault report. | ||
| View original record | Contd. -3- as regards cutting in speed and we think we ought to get it on as quickly as possible. The trouble is that we have no suitable switch for the Smith Dynamo! We do not think that the Lucas… | ||
| img103 | Instructions regarding seating, screen, and instrument board for a new body on chassis 6 EX. | ||
| View original record | E VIA DR INSTRUCTS REF SEATING & SCREEN FOR 6 EX'S NEW BODY. 5 ORIGINAL To DA. from E. Copy to C.J. " " EPC. 4152 RE PARTICULARS OF BODY FOR "D" STEERING WITH SPECIAL REFERENCE TO CHASSIS 6 EX. X-3923… | ||
| img104 | Bodywork modifications and requesting blueprints for chassis 6 EX. | ||
| View original record | To BA. from E. -2- R1/G21/7/20 Contd. side to fill up the space between the forward edge of the inclined portion of the screen and the upper edge of the scuttle. This is considered preferable to… | ||
| img105 | Arranging a meeting in Peterborough with chassis 6 EX and confirming a drawing has been sent to Derby. | ||
| View original record | R ASKS HS TO MEET HIM WITH 6EX IN PETERBOROUGH ORIGINAL R2/G21/7/20. To HS. from R. Copy to C J. (crossed out) 23 JUL 1920 RECEIVED X.3923 RE CHASSIS 6 EX. I shall be away on the 5th or 6th August,… | ||
| img106 | Notes on the 6 EX model, covering the switchbox, battery, starter, primer, and bodywork, following a visit to West Wittering. | ||
| View original record | To WOR. from E. Copy to H. HM. JMS. DA. BV. HY. EFC. [STAMP] RECEIVED 26 JUL 1920 [Handwritten] MAINLY 6 EX [STAMP] ORIGINAL [Handwritten] Clear Copy in Buzzard Section RE: VISIT OF MESSRS. WORMALD,… | ||
| img107 | Design and testing considerations for bodywork, steering, road wheels, and road springs. | ||
| View original record | To WOR. from E. -2- E1/G22/7/20 Contd. BODYWORK (CONTD.) Mr. Royce considered this quite satisfactory but he pointed out that to avoid re-painting, no painted joints on the exterior of the car should… | ||
| img108 | Alterations to the petrol tank side filler and the dispatch of a distribution board model. | ||
| View original record | To WOR. from E. -3- E1/G22/7/20 Contd. SIDE FILLER ON PETROL TANK. X.3889. Mr. Royce thinks the screw-up handle should have a cross bar or star handle, and an alteration should be made to allow the… | ||
| img109 | Notes on required modifications for various vehicle components following a visit and memo. | ||
| View original record | VULTURE A STg NOT NEEDED ATW 40/150 file WHEELS - WIRE - DUNLOP DISC - MICHELIN E1/G22.7.20. 6EX MISC ELECT To Wor. from E. Copy to CJ. " " Bn. " " Hs. " " Da. " " Hy. X.3923. RE VISIT OF MESSRS.… | ||
| img110 | Design and testing of bodywork, steering, wheels, and springs. | ||
| View original record | Contd. -2- BODYWORK (CONTD) he pointed out that to avoid re-painting, no painted joint on the exterior of the car should be broken, A break does actually occur in a prominent position when the scuttle… | ||
| img111 | Design notes regarding the petrol tank side filler and the distribution board. | ||
| View original record | Contd. -3- E1/G22.7.20. SIDE FILLER ON PETROL TANK. X. 3889. Mr. Royce thinks the screw-up handle should have a cross bar or star handle and an alteration should be made to allow the petrol to run in… | ||
| img112 | Instructions for a new Park-Ward body for chassis 6 EX, detailing seat dimensions, colour, and other requirements. | ||
| View original record | To C. from E. Copy to CJ. SP. BA. H.S. EPC. R (E) INSTRUCTS SEAT DIMS FOR THE NEW PARK-WARD BODY FOR 6 EX. ORIGINAL. 2752 E BODY FOR CHASSIS 6 EX. RECEIVED With regard to the body for chassis 6 EX.… | ||
| img113 | Results of fitting Smith dynamos and discussing suitable switchboard options for experimental cars. | ||
| View original record | 6 EX & 49 GB FITTED WITH ORIGINAL. SMITH'S DYNAMOS EFC12/T24.7.20. To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Bn. c. to By. c. to Da. c. to EP. c. to HS. X.4164 - SMITH LIGHTING DYNAMO… | ||
| img114 | Comparison of three alternative electrical switchboard and wiring systems, including options from Lucas and Smith. | ||
| View original record | Contd. -2- EFC12/T24.7.20. we have experimented, appeared to be quite reliable and has to have a much smaller range of variation then the Lucas; in fact, a range which is considered not a bit greater… | ||
| img115 | The arrangement for Messrs. Smith to produce a switchbox sample. | ||
| View original record | Contd. -3- It is thought, however, owing to the great changes involved that neither (2) or (3) can materialize and as already stated, the only feasible proposition seems to be (1). It was therefore… | ||
| img116 | Telegraphed confirmation regarding difficulties with a 12-volt earth scheme and suggestions for alternative electrical wiring. | ||
| View original record | CONFIRMATION OF TELEGRAM TELEPHONED TO CHICHESTER. S/11 26th July, 1920. J.H. ROYCAR DERBY. ORIGINAL. X.3923 X.4165 HIVES CLARK REGARDING 6EX AND FUTURE X.3659 ELECTRICAL EQUIPMENT. DIFFICULT TO… | ||
| img117 | Choice of Admiralty or battleship grey paint for car 6 EX. | ||
| View original record | To C. from R. Copy to CJ. " " SP. " " HS. R- INSTRUCTS COLOUR FOR X = H's NEW PARK WARD BODY FOR 6 EX ORIGINAL RECEIVED 2 AUG 1920 X3923 RE CAR 6 EX. We choose the Admiralty or battleship grey for… | ||
| img118 | New instrument board design for the 6 EX model, detailing three novelties to meet Sales and American requirements. | ||
| View original record | To M.R. from R. [M.R. is crossed out] Copy to Gbr. " " SU. " " HS. " " FN. " " EFC. " " DI. R.R. of America Inc. (For the attention of OY.) ORIGINAL [Stamped] [Handwritten shorthand notes]… | ||
| img119 | Electrical installation errors found on a car (model 6 EX) and the subsequent provision of complete diagrams to prevent recurrence. | ||
| View original record | To EFC. from R. Copy to CJ. " " BN. " " HS. " " DA. " " BY. [Handwritten annotations at top] R STILL NIGGLED ABOUT SHODDY ELECTRICS ON 6 EX. STATES EFC FOR NOT PERSONALLY INSPECTING & CRITICISING IT… | ||
| img120 | Requesting a comparison between the experimental 'Hawk' Northcliffe chassis and a production model to evaluate proposed modifications. | ||
| View original record | 1 EX & 6EX SIGNIFICANCE ORIGINAL R/R1 C26-9-20 RECEIVED o+VRG/X66/9/20 8 SEP 1920 T.P.L To: H.S. from R. Copy to: C.S. X.3408 RE "HAWK" NORTHCLIFFE CHASSIS ETC. X.3706 06-P-2 I shall be glad if you… | ||
| img121 | Design specifications for a car body, windscreen, scuttle, and instrument panel. | ||
| View original record | To [illegible] From E. copy to [illegible] LHS G CHG H [illegible] EPC SEP 120 ORIGINAL RECEIVED REF R10/68/A/20 El/04/9/20. 4 Post-War Lec/(ex) SANS BEADING, A NEAR- BODY FOR 6 EX. (R's SECOND BODY -… | ||
| img122 | Query regarding the dimensions and positioning of side levers on various car chassis. | ||
| View original record | To B.Y. from E. Copy to G.J. " " B.A. " " H.S. ORIGINAL RE BODY FOR 6 EX 6 EX D 25 SEP 1920 RECEIVED E1/G23/9/20. BODY Many thanks for your memo E1/G23/9/20 concerning position of side levers on -… | ||
| img123 | With a diagram regarding a required alteration to the brake lever dimension on drawing Lec.1280. | ||
| View original record | To BY. from E. (From Dept 20 in reply to...) [faint handwritten] -2- E1/G23/9/20 Contd. 117 YB [handwritten] We await your reply before informing the coachbuilders that the dimension given for the… | ||
| img124 | Petrol consumption for the 40/50 chassis, detailing modifications to achieve 35-37 MPG. | ||
| View original record | HS, ON HOW TO GET 35MPG FROM A SILVER GHOST. REF Hs 1/LG 28.10.20 (6EX) To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EP. c. to PN. c. to C. c. to EWT. for R.R. Inc. c. to H.… | ||
| img125 | Methods for achieving and measuring excellent petrol consumption. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 Contd. -2- Hs2/LG30.9.20. Perhapsthe biggest factor as regards obtaining excellent petrol consumption is the way in which the car is driven. The car should be… | ||
| img126 | Improving car performance, focusing on petrol consumption and speed to manage sales perceptions against competitors. | ||
| View original record | Contd. -3- Hs2/LH30.9.20. down hill. Whatever we do to improve the car in obtaining consumption will also help as regards its maximum speed.z Whether it would serve any useful purpose to carry out a… | ||
| img127 | Visit to West Wittering regarding the experimental Goshawk engine, detailing issues with cylinder jackets and inlet water pipes. | ||
| View original record | R.R. 235A (130 T) (S.H. 159. 11-8-20) G. 2800 [Handwritten] ARMOURED CAR HAND CRANKING / EX E. Hives to EX, with 27 MPG! 6 EX R. SUGGESTS DEMO E1/G8.10.20. ? EX - DULL THUD! [Typed] To Hs! ) from E. "… | ||
| img128 | Notes on camshaft drive, valve gear, sparking plug positions, fuel consumption on a 40/50 HP chassis, and an engine thud. | ||
| View original record | Contd. -2- Camshaft Drive. X.3310. The top universal, Mr. Royce suggests, could have vanes on the outside for pumping down the oil. The serrated joint should have entering curves on the teeth like the… | ||
| img129 | Crankshaft bearing issue, steering wobble, improvements for rear shock dampers, and proposed back axle ratios based on vehicle weight. | ||
| View original record | Contd. -3- E1/G8.10.20. Mr. Royce thought the thud on 1.EX was unusual, with which Mr. Hives agreed on trying the car. It was finally concluded that a crankshaft bearing probably has become slack… | ||
| img130 | Design decisions for components like axles, gearboxes, and magnetos, particularly for the Buzzard model. | ||
| View original record | Contd. -4 E1/G8.10.20. and displacements per ton mile are. Mr. Hives should send to West Wittering blue prints of charts shewing power required to climb hills of various gradient. Mr. Royce thought… | ||
| img131 | Decisions regarding impulse starters for armoured cars and the design of a tyre air pump. | ||
| View original record | Contd. ARMOURED CARS. X.4195. Impulse Starter versus Hand Magneto. Regarding the above point Mr. Royce stated that the War Department should have whichever they liked, but that he advised the hand… | ||
| img132 | Proposed hand starter mechanism involving a pinion and flywheel gear for an engine. | ||
| View original record | Contd. E1/C8.10.20. Hand Starter. (For starting the engine from within the armoured turret by hand.) In the scheme brought by Mr. Day it was proposed to turn the engine by means of a pinion gearing… | ||
| img133 | Extract discussing fuel consumption of a 40/50 HP chassis, following a visit by Messrs. Hives & Day to West Wittering. | ||
| View original record | [Handwritten] Hs gets 27 MPG FROM 6EX ON 180 MILE JOURNEY FROM DERBY TO WW REFH 1/L628-10-20 [Typed] R.R. 235A (100 T) (S. H. 159, 11-8-20) G. 2800 Extract from E1/G8.10.20. RE VISIT OF MESSRS. HIVES… | ||
| img134 | Tests on petrol consumption for the 40/50 chassis, including road tests and mixture adjustments. | ||
| View original record | Handwritten top: Hs, ON 6 EX RETURNS 28 MPG FROM DERBY TO WW (180 MILES, AT 28 MPH AVERAGE SPEED OPEN CAR 2 1/2 TONS AUW.). WHERE THE PETROL ACTUALLY GOES. RET Typed routing list: To R. from Hs. c. to… | ||
| img135 | Test report analysing fuel consumption and mechanical efficiency under various engine load and ignition settings. | ||
| View original record | Contd. -2- Hsl/LG28.10.20. that we were losing speed, we got less M.P.G. There is a fair range on the mixture where there is very little difference in the M.P.G. We found that with the magneto… | ||
| img136 | Fuel consumption (M.P.G.) tests under various driving conditions to determine optimal economy. | ||
| View original record | Contd. -3- Hsl/LG28.10.20. following M.P.G. 1. Engine running the whole time - throttle open sufficient to maintain a steady car speed at 25 M.P.H. M.P.G. 23.2 2. Car run up to 30 M.P.H. clutch… | ||
| img137 | Continued note on reducing transmission losses and improving fuel efficiency with thin oil. | ||
| View original record | R.R. 285B (100 T) S.H 89. 22-7-20) G 2769 -4- Hs1/LG28.10.20. Contd. This is on a car which we have reduced the transmission losses to a minimum by use of thin oil. If we take an average car in the… | ||
| img138 | The progress of body frame fitting on the 6.EX car and a list of new parts to be installed. | ||
| View original record | Handwritten: 6 EX TO PK WARDS - BODY FRAME NOW ON CHASSIS. COMPLETION EXPECTED IN 1 MONTH (MID DEC (20)). 6EX WILL HAVE ALL THE LATEST PIECES (& MAIN ITEMS). To R. from hs. c. to CJ. c. to E. c. to… | ||
| img139 | Problems with a petrol level indicator on the 4.EX Car, including inaccurate readings and petrol leaks. | ||
| View original record | [Routing list, crossed out] To R. from S c. to CJ c. to EH c. to L. c. to Du. c. to BY. c. to EP. [Stamps] ORIGINAL E.F.E. 11 FEB RECEIVED [Handwritten notes] to EP (circled) 4EX with next msg to USA… | ||
| img140 | 6-EX car received from coachbuilders, detailing the fix for a faulty petrol level indicator and outstanding work. | ||
| View original record | Hsb'CKR FOR 'R' X36DEX To R. and E. from Hs. (16-6-03) c. to CJ. c. to Bn and BY. c. to Ma. c. to EWT. for R.R. Inc. Hs4/L023.2.21. X.3923. RE. 6-EX CAR. We have got this car from the Coachbuilders -… | ||
| img141 | Starting and slow running device issue on a 40/50 HP chassis, specifically an explosion behind the throttle. | ||
| View original record | To HS. from E. Copy to SU. " " DA. X4305 E HAS A HARD SNIPE AT Re: 6 EX ORIGINAL E2/G8/6/21 RE STARTING AND SLOW RUNNING DEVICE - 40/50 HP.CHASSIS. In connection with the above, and chassis 6 EX. Mr.… | ||
| img142 | Standard throttle modification on the 40/50 chassis, specifically the blocking of a hole. | ||
| View original record | To E. From Hs. c. to C.J. c. to Du. Handwritten: in reply to Hs letter DOWN TO SIZE REF LEX (E2/GS/6/22) Hs3/LGS.6.21. RE. STARTING AND SLOW RUNNING DEVICE - 40/50 CHASSIS: Referring to your memo.… | ||
| img143 | Memo discussing design problems and defending a designer referred to as 'DA' against another named 'E'. | ||
| View original record | *HS E has clearly tried to get a crafty one in on Hs, but has reckoned without Hs's phenomenal memory. I knowledgely. F.W. hates what E have to include in this memo, with its undertones, going to C.J.… | ||
| img144 | Movement of the 6.EX car and clarification on design perfection priorities. | ||
| View original record | Handwritten notes: X10978 (crossed out) tel 6 EX. ATW. 40/50 pe 6 EX Typed text: To Hs. from R. c. to Wor. c. to EFC. c. to EP. c. to BY. c. to Hy. RE 6.EX CAR. X.3923 (X.3923 is struck through)… | ||
| img145 | Logistics and modifications for the 6 EX experimental car. | ||
| View original record | [Handwritten at top] R INVITES Hs TO BRING 6EX. AFTER MODIFICATIONS TO HIM AT L.C. 6EX. DURING THE COLDEST OF THE WEATHER To Hs [struck through] from R. [STAMP] ORIGINAL [STAMP] RECD [with clock face]… | ||
| img146 | Proposal to modify car 6.EX with fittings for low-grade petrol and test a Goshawk type battery ignition in France. | ||
| View original record | [Handwritten] He SAYS, YES TO A COLD RIDE ACROSS FRANCE & ARRANGES TO COLLECT 6EX FROM WW FOR COLD WEATHER MODDING AT DERBY [Stamped] ORIGINAL To R. from Hs. c. to CJ. c. to E. c. to Dn. c. to EY. c.… | ||
| img147 | Preference for black upholstery and the method for mixing grey paint. | ||
| View original record | R.R. 235B (100 T) (S.H. 798 10-12-20) G. 2948 To Hs. from R. ORIGINAL RECEIVED JUL 1922 R7/M19.7.22. X3723 6. EX. CAR. Reference your memo. - Hs3/L210.7.22. - I prefer black upholstery for utility,… | ||
| img148 | Mr. Royce's specifications for chassis 6EX, including suspension, paint, and upholstery. | ||
| View original record | R.R. 235s (100 T) (S.H. 79s. 10-12-20) G. 2948 ORIGINAL R To Hs. from E. E4/M19.7.22. RE. 6. EX. CHASSIS. V3923 Referring to 6EX chassis, when this is built up Mr. Royce thinks that it should have… | ||
| img149 | Feasibility of using Goshawk electrical equipment on the 40/50 chassis. | ||
| View original record | Handwritten note top: He PUTS to R SOME SENSIBLE RATIONALISATION IDEAS, TO USE SOME GOSHAWK ELECTRICS ON THE 40/50. THESE IDEAS WERE LATER EMBODIED AND PROVED ON CEX AND PUT INTO PRODUCTION To R. from… | ||
| img150 | Modifying the ignition switch box and wiring for the 40/50 model, including feedback from Springfield. | ||
| View original record | contd:- -2- R JUNCTION BOX AND CUTOUT. These would be identical. WIRING. The earth wiring should be used on the 40/50 which would save a lot of wire, look much neater and would enable us to have only… | ||
| img151 | Advantages and feasibility of adapting Goshawk electrical equipment for the 40/50 model. | ||
| View original record | contd:- -3- R any time. We think the advantages of the Goshawk type of locked ignition switch are such that we ought to insist that it is duplicated on the 40/50. KLAXON HORN SWITCH. The locked… | ||
| img152 | The suitability of Goshawk-type front and rear shock absorbers for the 40/50 HP model. | ||
| View original record | contd:- -4- R the 40/50 HP. are - FRONT SHOCK ABSORBERS. X3461 We see no reason for going on producing the more expensive type 40/50 shock absorbers when the front shock absorbers on the Goshawk are… | ||
| img153 | Post-accident repairs and the proposed fitting of new electrical components for the 6.EX car. | ||
| View original record | REF Hs/LG 29.8.22 - R HAS APPROVED Hs NOW GOES AHEAD, FITTING IT IN 6EX ORIGINAL. WITH THE NEW BODY PROGRAMME To R. from Hs. c. to CJ. c. to E. c. to Dm. c. to BY. HS3/LG14.9.22. 6.EX CAR. X3923 X4165… | ||
| img154 | Communication detailing car body finishing timelines and paint samples. | ||
| View original record | contd:- -2- The car will be completely finished, painted and varnished in 4 weeks. If the body is finished in lead colour instead of varnished, it will be three weeks. We are sending samples of paint… | ||
| img155 | Improvements to the 40/50 chassis by fitting Goshawk electrical equipment and a vacuum fuel feed system. | ||
| View original record | HS LIKES HIS RATIONALISATION OF '6 EX!' ELECTRICS & GOES FURTHER. FITTING AN AUTOVAC FUEL FEED (A MANY OTHER SO & P UNITS), THUS ELIMINATING THE INTRICATE AND VERY COSTLY - TROUBLESOME PRESSURE FEED… | ||
| img156 | The instrument board, ignition switch modifications, and a larger generator for the 40/50 model. | ||
| View original record | contd:- -2- Instrument Board. Owing to the fact of us doing without the pressure pump and pressure gauge, we can arrange the instruments in a similar manner to the Goshawk. We are waiting for… | ||
| img157 | Paint colour options for car models 6.EX and No.4.Goshawk. | ||
| View original record | R R 235 A (100 T) (S.F. 846 6-8-19) G 2460 ORIGINAL. 40/50 6 EX Colour To HS. from R. RS/M21.9.22. RE. COACHWORK PAINTING ON 6.EX. and NO.4.GOSHAWK. X635 X3923 X4219 I think grey No.7. in Messrs… | ||
| img158 | Avoidance of a vapouriser scheme in favour of a modified induction pipe for 6.EX and other 40/50s models. | ||
| View original record | R.R. 235A (100 T) (S.F. 846 6-8-19) G. 2460 To HS. from R. [Handwritten Note] R AGREES WITH HS REF NOT GOING ON WITH VAPOURISER. 40/50 6EX [Stamp] ORIGINAL R3/M9.10.22. 6.EX, AND OTHER 40/50s. With… | ||
| img159 | The pros and cons of the vaporiser scheme for the 40/50 chassis, specifically relating to the boiler and exhaust heated throttle. | ||
| View original record | Handwritten notes: FUEL DISTRIBUTION, 40/50 ORIGINAL. + 'CASWELL'S' BOILER HS PUTS THE PROS & CONS OF THE BOILER & EXH. HEATED THROTTLE & COMES DOWN ON THE SIDE OF THE LATTER (TO SCOTCH… | ||
| img160 | Analysis of the limitations of the exhaust heated throttle and a comparison with a vapouriser scheme. | ||
| View original record | Hs6/T5.10.22. -2- Contd. (3) It increases the complicated appearance of the engine. It should be realised that the exhaust heated throttle has limitations. Under any normal conditions met on the road… | ||
| img161 | Experiments with induction pipes to improve fuel distribution and prevent engine misfiring. | ||
| View original record | -3- the engine in order that the weakest cylinder will fire regularly, is drained into the vessel and wasted. Once the petrol which has been measured out by the carburetter is in excess of the… | ||
| img162 | Tests and modifications to a boiler and vaporiser system to resolve cold starting and fuel mixture issues. | ||
| View original record | Contd. -4- boiler, but there is no doubt it did so, because we fixed a bottle in the vent pipe and collected the petrol which was travelling from the boiler into the induction pipe. We practically… | ||
| img163 | Recommendation based on road tests of an exhaust heated throttle and its effect on the vapouriser scheme. | ||
| View original record | -5- Contd. Once the exhaust heated throttle has arrived at its normal temperature the amount of liquid which drains into the vapouriser scheme is practically nil. This has been found by long tests on… | ||
| img164 | Proposed new positioning of the central control levers. | ||
| View original record | CHANGEOVER OF CENTRAL HANDBRAKE GII ORIGINAL. 6EX R GETS IT BACK WITH MODS 9 GIVES 1?! REACTION'S LIST TO H.J. FROM R. c. to C.J. WOR. c. to P.N. BY. c. to H.S. EP. c. to CX. O. RE. POSITION OF… | ||
| img165 | Observations on a Goshawk chassis, comparison to a Renault, and modifications to car 6.EX using Goshawk electrical equipment. | ||
| View original record | (2) R I took particular care to see the arrangement of central levers as fitted to the chassis at the Show. I was pleased to find there was nothing quite equal in quality, mechanically or in the… | ||
| img166 | List of modifications for the 6.EX. car, detailing the parts and their origin. | ||
| View original record | LIST OF MODIFICATIONS ON 6.EX. CAR. ORIGIN. (1) Exhaust gas heated throttle with valve in exhaust. RR. (2) Shock absorbers. Hartford. (3) Autovac with tank of ample dimensions with suitable fittings… | ||
| img167 | List of parts and modifications fitted to the 6.EX experimental car for testing and critique. | ||
| View original record | To R. from Hs. c. to CJ. c. to H. c. to Ds. c. to HY. ORIGINAL EXCEPT FOR FWB 6EX BATCH OF PROPOSED MODS FOR THE 40/50 TO BE TESTED & CRITICISED BY R ON HIS SECOND EXP CAR - 6EX HS/1010.11.22. PARTS… | ||
| img168 | List of fitted parts and modifications to a vehicle, including the Barker arrangement and Ferodo threading. | ||
| View original record | contd:- -2- 14. Breather connection from carburetter to crankcase. 15. Dipping head lights fitted. We have entirely altered the Barker arrangement in order to find a more convenient and better fixing… | ||
| img169 | From RS to HS regarding standardisation sheets for various parts, noting Mr. Royce's rejection of a vaporiser scheme. | ||
| View original record | [Header text, top left] R.R. 235A (100 T) (S.H 159. 11-8-20) G. 2800 [Handwritten notes at top] R REJECTS CASWELLS 'BOILER' 40/50 ACCEPTS BONNET HANDLES TELEGAGE BATT IGN WITH GOVERNOR [Stamp]… | ||
| img170 | Mr. Royce's feedback on the Goshawk steering wheel rim for the 6.EX model and a proposal for a new 18-inch wheel design. | ||
| View original record | TO BY. FROM DA. c. to ed. c. to Wor. c. to HS. ORIGINAL 6EX SEAGULL STEERING WHEEL RIM. 18" THICK & THIN (GB) RE. 40/50. RECEIVED NOV 16 1922 V3923 V3465 V4264 With reference to the steering wheel… | ||
| img171 | Explaining the inability to work on left-hand controls for the Goshawk due to being overloaded with other projects. | ||
| View original record | TO BD. FROM R. C. to HB. ✓ ORIGINAL CONFIDENTIAL R OVERLOADED WITH 40/50 WORK CANNOT FIND TIME FOR LHD GII G1 Poc R3/M 16.11.22. GOSHAWK. X4239 X4428 X4555 Replying to your BJW/H141122. we cannot do… | ||
| img172 | Test drive of the 6.EX Goshawk 40/50 model, discussing performance, body suitability, and fuel economy. | ||
| View original record | TO Sd. & BJ. FROM R. c. to HS. & BP. ORIGINAL 6.EX. &. GOSHAWK. V3923 (crossed out) Y4219 I have now got my 40/50 back which was damaged in France. This car is a fine one, and with one or two slight… | ||
| img173 | Alterations to the throttle closing spring mechanism for chassis 6.EX based on Mr. Royce's wishes. | ||
| View original record | H.H. 235A (100 T) (S.H. 159. 11-8-20) G. 2800 TO HS. FROM E. c.c to CJ. BY. EP. Spring for closing throttle with Starter Carb 6EX R Scheme ORIGINAL RECEIVED DEC 1922 HS 40/50 CHASSIS - SPRING FOR… | ||
| img174 | Exhaust valve seat angles, burning issues, and the effects of valve clearances on engine performance. | ||
| View original record | [HANDWRITTEN PENCIL] EXH VALVES SEAT ANGLES, BURNING 40/50 GII [STAMP] ORIGINAL [HANDWRITTEN PENCIL] CLEARANCES [STAMP] Hs DEC 29 1922 TO HS. FROM R. c. to CJ. BJ. [Struck through] c. to FN. WOR.… | ||
| img175 | Burnt valves, discussing potential causes such as pre-ignition from spark plugs and engine performance characteristics. | ||
| View original record | R.R. 235A (200 T) (S H. 159 11-8-20) G. 2800 ORIGINAL. RECEIVED TO HS. FROM R. c. to CJ. BJ. c. to RG. BY. c. to HM. CY. c. to LP. R1/M29.12.22. RE. BURNT VALVES. X2764 X1812 X3773 I am very pleased… | ||
| img176 | The merits of pinning piston rings, comparing American and 40/50 practice. | ||
| View original record | (2) You will remember that EP. reported that America had abandoned pinning the piston rings. I think this would reduce efficiency of gas-tightness, and occasionally become disastrous unless a more… | ||
| img177 | Reducing engine torque reaction vibration on the 40/50 HP chassis. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H. D. ENGINE TORQUE REACTION VIBRATION EXPERIMENT 4 EX 49 GB EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. X.4604 X.634 REF.… | ||
| img178 | From 'E' to 'Hs' regarding a request from Mr. Royce for distance tubes to conduct a rigid feet experiment on a 40/50 model. | ||
| View original record | R STILL PLAGUED WITH TORQUE REACTION VIBRATION X.4604 ASKS FOR AN EXPLORATORY MOD FOR E1/M27.9.23. 6EX. To Hs. from E. RE. FRONT FEET ON 40/50 MADE RIGID. X.4604. Regarding 6.EX at WW. Mr. Royce says… | ||
| img179 | Chasing the dispatch of parts for a rigid front feet experiment on the 6.EX car. | ||
| View original record | [Handwritten Annotations] R BECOMES X.4604 RAMPANT (a/c TO E) 6EX [Typed Text] To Hs. from E. [Handwritten above] REF HIS MOD SET [Typed] E2/M29.9.23. [Handwritten and struck-through] REF E1/M27.9.23… | ||
| img180 | Analysing tractive and wind resistance at high speeds to predict the increase in speed from a power increase. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. EXPERIMENTAL REPORT Expl. No. 4578 6 EX REF: He/Rm/LGS.2.24. INCREASE OF SPEED TO BE EXPECTED FROM A 35% INCREASE IN POWER. The tractive resistance of a car… | ||
| img181 | Comparison of the springing and ride quality between car models 1 EX and 6 EX. | ||
| View original record | To HS. from R. Copy to G.F. W.O.M. P.A. W.W. E.F.C. E.T. x=1 confirmed -96 D R7/G20/S/20. 23 AUG 1920 original - XE1 eh ORIGINAL X.37639 RE SPRINGING OF 1 EX. COMPARED WITH 6 EX. x.34616 X.18923… | ||
| img182 | Comparison of fuel consumption and engine performance between experimental cars 1 EX and 6 EX with different back axle gear ratios. | ||
| View original record | [Header] To HS. from R. Copy to C.J. [Copy to] WOH. [Copy to] DA. [Copy to] BY. [Copy to] EFC. [Handwritten Notes & Stamps at top right:] X31 conditions 1EX R S H R6/G20/8/20 [Stamp:] ORIGINAL… | ||
| img183 | Report comparing the steering systems and road behaviour of experimental cars 1 EX and 6 EX. | ||
| View original record | To HS. from R. Copy to CO. [strikethrough] WGR. [/strikethrough] [strikethrough] DA. [/strikethrough] [strikethrough] BT. [/strikethrough] [strikethrough] EPC. [/strikethrough] [strikethrough] LH.… | ||
| img184 | Comparing the performance of a 1 EX starter with a 6 EX starter, noting noise issues and suggesting improvements. | ||
| View original record | To HSr from R. Copy to CD " " WHR. " " DA. " " HY. " " EPC. " " EF. ORIGINAL. RE STARTER - 1 EX. COMPARED WITH 6 EX. X.37036 X.39236 X.3082 X.3986 X.3530 X.3779 The starter behaved perfectly on both… | ||
| img185 | Comparison of ignition systems in cars 1 EX and 6 EX, noting performance and petrol consumption. | ||
| View original record | To H.C. from R. Copy to C.J. " " WOR. " " DA. " " BY. " " EFC. " " M. ORIGINAL. X.37636 X.39236 X.3129 7.699 RE IGNITION - 1 EX. COMPARED WITH 6 EX. The ignition on both these cars behaved perfectly,… | ||
| img186 | Complaint regarding falling standards and various defects on chassis 6 EX compared to 1 EX. | ||
| View original record | To Hs. From R. Copy to CJ. WOR. DA. BY. EPC. X.3763 X.3923 R COMPLAINS TO Hs ON FALLING STANDARDS OF WORK & FINISH ON HIS 6EX v 1EX. RE FITTERS' WORK ON 6 EX. COMPARED WITH 1 EX. I was sorry to find… | ||
| img187 | Fault with a car's priming cock making it difficult to pressurize the petrol tank. | ||
| View original record | To HS. from R. -2- R12/G23/8/20 Contd. The same thing occurred on 6 EX. but it was found that the priming cock was not absolutely over to the running position. It is possible with other cars the… | ||
| img188 | Deteriorating workmanship quality, low engine compression, and dynamo belt tension issues on chassis 6 EX. | ||
| View original record | CR INSTRUCTS HS TO CALL WOR TO ORDER R'S COMMENTS ON QUALITY OF FINISH REP AND COMMENTS ON CORONATION R1/G30/8/20. 6EX RATTLES NEED LONG TONGUE TO (?) 1) DYNAMO DRIVE TENSIONER 2) XI ASSEMBLY PROBLEMS… | ||
| img189 | Issues with a dynamo suspension clip and a knock in the transmission. | ||
| View original record | To HS. from R. -2- R1/G30/8/20 Contd. [h][s]X3899[/s] K.2496[/h] [s]looked upon as an improvement in proportions.[/s] In an attempt to refit the new dynamo we found a suspension tube clip at the… | ||
| img190 | Drivetrain phenomena like knocks and backlash, and potential improvements involving torque tubes and couplings. | ||
| View original record | To HS. from R. [Handwritten]: -3- R1/030/8/20 Contd. they have been for many years. It will, however, be slightly worse in these lower geared cars because the change of speed in the transmission shaft… | ||
| img191 | Log of dates and notes concerning various vehicle models and prototypes from 1922-1923. | ||
| View original record | HERON 40/50 WITH SERVO BRAKES changed to Pneu chem Tack & Servo 4-10-22 9-10-22 12-10-22 19-10-22 22-10-22 18-10-22 30-12-22 - SERVO FWB. 18-1-23 CURLEW? & SEAGULL C AND D OHV 40/50 & FWB (P1 Pro.)… | ||
| img192 | List of new and proposed car and engine models with brief technical specifications. | ||
| View original record | NEW MODELS BUZZARD - 40/50 Vee 12. VULTURE 6 CYL OHV LONG STROKE 4" x 5.5" Bore & Stroke HERON 6 CYL OHV 40/50 WITH PNEUMATIC F.W.B. Air pump on camshaft, twin Servo SEAGULL - OHV 40/50 4.5"x5.5" WITH… | ||
| img193 | Query from Mr. Royce regarding an experiment on the effect of radius rods on the steering movement of the new 40/50 car over rough roads. | ||
| View original record | R ASKS ABOUT EFFECT ON ROUGH ROADS OF RADIUS RODS ON FRONT AXLE NEW 40/50 Hs. from Da. Da/M4.7.22. RE. NEW 40/50 CAR [struck through text] .X4547. In connection with the new 40/50 design, Mr. Royce is… | ||
| img194 | Frame modifications for the 40/50 export model to accommodate various upgrades. | ||
| View original record | (5Ex?) EXPORT FRAME MODS FOR FWB & RADIUS RODS WITH PRESENT ENGINE ALSO NEW ENGINE WITH EXISTING GEARBOX, BACK AXLE & REAR SUSPENSION i.e. PHANTOM I OR "SEAGULL" To By, from Da. c. to CJ. c. to WCR.… | ||
| img195 | Extract regarding the immediate assembly of parts for experimental export chassis 1 and 2. | ||
| View original record | X.3548 Extract from R3/M25.8.22. VISIT TO WW. X.4219. X.3408. X.3481 [Handwritten] R. PUT FIZZ INTO EXP. EXPORT CHASSIS With reference to the experimental export chassis we are ready to put in hand… | ||
| img196 | New front axle design with front wheel brakes, comparing it to the Hotchkiss patent. | ||
| View original record | To BY. from Da. c. to CJ. c. to Wor. c. to Hs. Handwritten: X4548 MOVE 1 EXPORT CHASSIS FWB Da1/M28.8.22. EXPORT CHASSIS - FRONT AXLE X.4547. We send herewith N.Sch. 1317 shewing the front axle fitted… | ||
| img197 | Investigating the possible causes of knocking gears in an engine's camshaft drive. | ||
| View original record | ARRIVING AT POSSIBLE CAUSES OF CAMSHAFT DRIVE KNOCKING GEARS TO H.S. & R. from R. c. to ed. BY. EFC. RECEIVED SEP 6 1922 X3845 X3475 In consequence of our anxiety to settle the camshaft drive of an… | ||
| img198 | Methods to test and mitigate engine crankshaft speed irregularities. | ||
| View original record | (2) The other way is to give the shafts a natural tenden-cy to slow down, and so follow the irregularities of the primary turning. If the engine is coupled up to the dynamometer, with fabric… | ||
| img199 | Strategy for introducing improvements to the 40/50 model, specifically the 'Curlew' prototype. | ||
| View original record | To BJ. from R. c. to CJ. Wor. c. to BY. Hs. sp. (Handwritten) V3548 (Handwritten) Prototypes P1 - 'Curlew' R2/M9.9.22. My daer BJ., IMPROVEMENTS IN 40/50. X.3548. I shall be glad if you will discuss… | ||
| img200 | Continued letter discussing the need for speed and standardisation between the Drawing Offices and the Works. | ||
| View original record | contd:- -2- With the utmost possible speed both in the D.Os and the Works, as can be found most convenient to facilitate progress. Later on we can judge from the results, when we can standardise any… | ||
| img201 | Production strategy for implementing improvements to the 40/50 model, specifically the 'Curlew' version. | ||
| View original record | To B.J. from R. c. to Ed. Wor. c. to Bv. Hs. [Handwritten: 40/50] [Stamp: ORIGINAL] [Handwritten: E.C.P. CURLEW] [Handwritten: R2/M9.9.22. (P1) (PRO.)] IMPROVEMENTS IN 40/50. [Handwritten: X.3548] My… | ||
| img202 | Design of the dumb iron and front shackle for the front springs on several models. | ||
| View original record | To BY. from Da. c. to CJ. c. to Wor. c. to Hs. FRONT SPRINGS SHACKLED AT FORWARD END, ESSENTIAL FOR FWB (WHEN APPLIED) WHEN CORNERING. 67 STORK, CURLEW & VULTURE. Da2/M9.9.22. X.4547. Please receive… | ||
| img203 | The final design for the 'Stork' frame, referencing drawing N.sch. 1324. | ||
| View original record | EXP. STORK ORIGINAL To BY. from DA. (note: BY. is struck through) c. to ed. Wor. Hs. RE. "STORK" FRAME. X 3954 DA3/M16.9.22. We send you herewith N.sch. 1324 showing the front end of the frame in the… | ||
| img204 | Proposed modifications for the 'Heron' model, including changes to the frame, brakes, and exhaust system. | ||
| View original record | MOVES' (IN 40/50 DEVT) - FWB - Exp. HERON To BT. from R. NARROWED FRONT FRAME SINGLE REAR BRAKES NEW EXH SYSTEM (AS PER GT) CUTOUT FOR SILENCER AIR PUMP EXH HEATED THROTTLE (POSSIBLY) EARTHED WIRING… | ||
| img205 | Modifications needed for the 'Heron' model, including front wheel brakes, an air pump, and exhaust system changes. | ||
| View original record | MODS. NEEDED FOR FWB. HERON AIR PUMP(BRAKE SYSTEM) EXH HEATED THROTTLE To BY. from R. c. to CJ. c. to Wor. c. to Hs. c. to Sp. R2/118.9.22. RE 40/50 ("HERON") X.4550. X.3850. In fitting front wheel… | ||
| img206 | Preliminary arrangement for 'Stork' pneumatic brakes and outlining required modifications. | ||
| View original record | To By from Da. c. to cJ. Wor. Hs. Exp STORK Da3/M30.9.22. "STORK" PNEUMATIC BRAKES. X 3874 We send herewith N.sch. 1330 shewing a preliminary arrangement of the operating gear of the brakes on the… | ||
| img207 | Proposed new exhaust system for the 'Stork' vehicle. | ||
| View original record | STORK. To BY. from Da. c. to CJ. c. to Wor. c. to Hs. pa2/M30.9.22. "STORK" EXHAUST SYSTEM X.3859. We send herewith N.sch.1331 shewing the proposed exhaust system for the Stork, called for by the… | ||
| img208 | Letter concerning the testing of a camshaft-driven air pump for a four-wheel brake system on a 40/50 chassis. | ||
| View original record | R R 225 A(100 T) 16 F 846 (C 8-19) G 2460 TO HS. FROM E. C. TO CJ. [STAMP] ORIGINAL [STAMP] HS RECEIVED OCT 5 [Handwritten] AIR PUMP, FOR HERON FWB SYSTEM [Handwritten] PNEN [Handwritten] FWB… | ||
| img209 | Diagram illustrating the drilling positions on coupling flanges for a camshaft pump and wheel. | ||
| View original record | (2) to drill a number of holes in the coupling flanges of both the pump and the camshaft wheel, taking advantage of the fact that there are six humps in one revolution of the camshaft. This is… | ||
| img210 | Testing and design of a camshaft-driven brake air pump for the 40/50 chassis and 'Vulture' engine. | ||
| View original record | To Hs. from E. c. to CJ. BRAKE AIR PUMP DRIVE HERON 'VULTURE' E1/M4.10.22. RE. TESTING AIR PUMP DRIVEN BY CAMSHAFT. X.3454, X.3850, X.3423. We send you herewith confirmation of our telegram to you of… | ||
| img211 | Continued description of humps on one revolution of a camshaft, referring to original sketches. | ||
| View original record | 69 CONTD:- -2- humps on one revolution of the camshaft. This is illustrated below :- See original for sketches. E. | ||
| img212 | Fitting of side carriers for spare wheels on various car models. | ||
| View original record | R.R. 235B (100 T) (S.H 798. 10-12-20) G. 2948 To HS. from DA/EV. c.c. to BY. ORIGINAL DA/EV2/M6.10.22. R RE. 6. EX. X3923 / X4555 / X.4085. We note that you are fitting side carriers for the spare… | ||
| img213 | On the completion of front wheel brake designs for new models, and the planning for experimental parts production. | ||
| View original record | To CJ. & BJ. from R. c. to Wor. c. to BY. c. to Hs. c. to Wd. PWWI NEW MODELS, PNEUMATIC, FWB DESIGNS COMPLETED. 'HERON' 'VULTURE' R4/M9.10.22. X.4428 X.4550. I believe we have now completed the… | ||
| img214 | Completion of front-wheel brake designs and expediting experimental parts for six chassis. | ||
| View original record | [Handwritten] DESIGNS COMPLETE ORIGINAL R URGES CONSTRUCTION HINTS AT POSSIBLE NEED TO CHANGE TO MECHANICAL SERVO. 6 CHASSIS FWB, PROTECTED, HERON COMP. AIR SYSTEM [Typed] To Ed. & BJ. from R. C. to… | ||
| img215 | Drawing for an automatic air pump cut-out device for the four-wheel brakes on the 'Heron' model. | ||
| View original record | To BY. from E. c. to CJ. Hs. AUTO PNEU. CUTOUT E2/M12.10.22. FWB HERON AIR PUMP CONTROL DEVICE FOR FOUR WHEEL BRAKES ON "HERON". X.3836 X.3850 X.4850. We send you herewith drawing No. LeC.1639 shewing… | ||
| img216 | Air pump control device for four-wheel brakes on the 'Heron' model, referencing drawings. | ||
| View original record | To By. from E. c. to CJ. Hs. ORIGINAL RECEIVED 3 I 1922 Hs E2/M12.10.22. AIR PUMP CONTROL DEVICE FOR FOUR WHEEL BRAKES ON "HERON". X3836 X3850 X4550 We send you herewith drawing No. LeC 1639 shewing… | ||
| img217 | Defining the nomenclature for experimental chassis, codenamed 'Heron' and 'Seagull'. | ||
| View original record | To BY. from E. c. to Hs. [Handwritten annotations:] Std 40/50 CHASSIS WITH FWB = 'HERON' OHV 4 1/2" BORE (the next & only other move) = SEAGULL LATER TO BECOME PHANTOM I E1/M12.10.22. NOMENCLATURE OF… | ||
| img218 | Defining the nomenclature for two new experimental chassis, named 'heron' and 'seagull'. | ||
| View original record | To By. from E. c. to Hs. E1/M12.10.22. R NOMENCLATURE OF EXPERIMENTAL CHASSIS. Y3548 Re the above kindly note that we understand the four wheel brakes chassis with 40/50 engine should be called the… | ||
| img219 | Modifications required for fitting 'Stork' pneumatic brakes, including changes to the frame, dashboard, and pedal controls. | ||
| View original record | TO EY. FROM DA. C. TO CJ. C. TO MOR. C. TO HS. ✓ STORK DA1/ML14.10.22. FWB (PNEU) [STAMP: ORIGINAL] [STAMP: RECEIVED OCT 16 1922] "STORK" PNEUMATIC BRAKES. X3836 X3852 X4561 We send herewith N. sch.… | ||
| img220 | Modifications for pneumatic four-wheel brakes on the 'Stork' model. | ||
| View original record | To BY. from Da. c. to CJ. c. to Wor. c. to Hs. PNEUMATIC FWB on 'STORK' Dal/M14.10.22. "STORK" PNEUMATIC BRAKES X.3836 X4561 X.3850 (struck through) We send herewith N.sch.1337 shewing the diaphragm… | ||
| img221 | The decision not to proceed with pneumatic four-wheel brakes, and a subsequent reversal for experimental testing. | ||
| View original record | TO DY. FROM DA. [STAMP: OCT 20 1922 Hs] c. to Col. c. to WCR. c. to HS. [STAMP: ORIGINAL] DA1/M18.10.22. [HANDWRITTEN: FWB PNEU. TYPE STOPPED BY R] FOUR WHEEL BRAKES. [HANDWRITTEN: X9940 X4561] We… | ||
| img222 | Adjustments to the 'Heron' model's front wheel brake cams for the air brake and servo system. | ||
| View original record | FWB CAMS HERON AIR BRAKE FWB To BY. from Da. c. to CJ. c. to Wor. c. to ns. Da2/M19.10.22. "HERON" FOUR WHEEL BRAKES X.4550. We send herewith No.sch.1340 shewing the proposed adjustment on the cams of… | ||
| img223 | Testing of shackle configurations for front springs in relation to front-wheel brakes on the Goshawk model. | ||
| View original record | R P. 235 A (100 T) (S.F. 846 6-8-19) G. 2460. SHACKLES AT FRONT OF FRONT SPRINGS? FWB ORIGINAL. TRY ON GII CAN HY HELP? R8/M23.10.22. TO HS. FROM R. c. to DA. c. to BY. STEERING & FRONT WHEEL BRAKES.… | ||
| img224 | Drawings for the 'Heron' air pump for four-wheel brakes, noting a necessary modification to the springs. | ||
| View original record | TO EX FROM HS c. to CJ. RECEIVED OCT 1922 ORIGINAL E1/M19.10.22. "HERON" - AIR PUMP FOR FOUR WHEEL BRAKES. X3850 X4550 We send you herewith drawings Nos. Lec 1641 & 1643 shewing respectively air pump… | ||
| img225 | Experimental production of 'Heron' pneumatic brakes and associated chassis modifications. | ||
| View original record | TO EY. FROM DA. c. to CU. c. to WOR. c. to HS. ✓ (Stamp: ORIGINAL) (Handwritten: PNEU FWB CARRY ON) DA/M1.11.11.22. (Handwritten: H.S's) (Stamp: RECEIVED) (Handwritten: X9940) (Handwritten and struck… | ||
| img226 | Modifications to the 'Heron' front wheel brake system and new engine feet. | ||
| View original record | TO DA. FROM DA. C. to CJ. C. to HS. ✓ HERON FWB ORIGINAL RECEIVED 1922 "HERON" FRONT WHEEL BRAKES. X9940 Please receive N.sch. 1352 showing the carrier lever for the front brake operating rods with… | ||
| img227 | Providing preliminary information on the Heron Four Wheel Brakes hand brake operating gear and servo motor. | ||
| View original record | To BY. from Da. c. to CJ. c. to Wor. c. to Hs. X3548 81 HERON FOUR WHEEL BRAKES X.4850. Please receive N.sch.1351 shewing the hand brake operating gear and some preliminary information regarding the… | ||
| img228 | Revised pedal gear for the 'Stork' model, suitable for pneumatic brakes or a new servo system. | ||
| View original record | REVISED PEDAL GEAR FOR PNEU OR NEW SERVO STORK X3548 To BY. from Da. c. to CJ. . c. to Wor. c. to hs. Dal/M19.10.22. "STORK" PEDAL GEAR. X.4135 We send herewith N.sch.1338, shewing the revised pedal… | ||
| img229 | Listing outstanding work for the 'Stork' and 'Heron' chassis, detailing parts and departmental responsibilities. | ||
| View original record | 40/50 PNEU. BRAKES - HERON To E. and BY. from Da/EV. Hy/60 SERVO BRAKE - STORK. c. to HS. Da/Ev1/M8.11.22. RE. "STORK" AND "HERON" X.3548. N.B. "Stork" is chassis with air brakes. "Heron" is chassis… | ||
| img230 | The design, materials, and alternatives for a servo motor for brakes on the 'Heron' project. | ||
| View original record | TO-BY: FROM DA. C. to Adx. C. to WGR. C. to HS. [STAMPED] ORIGINAL [STAMPED] RECEIVED [HANDWRITTEN] HERON AIR FWB DA2/M22.11.22. "HERON" - SERVO MOTOR FOR BRAKES. [HANDWRITTEN] X.4550 / X 3867 We send… | ||
| img231 | The arrangement and material choices for a Heron servo motor for brakes on a 3-speed gearbox. | ||
| View original record | To BY. from Da. c. to CJ. c. to Wor. c. to Hs. [Handwritten] FWB SERVO MOTOR- HERON ON 3-SPEED G/BOX 3-SPEED COPY [crossed out] HERON - SERVO MOTOR FOR BRAKES. We send you herewith N.sch.1350.,… | ||
| img232 | Conclusions from investigations into front spring anchorage and its effect on steering geometry. | ||
| View original record | ORIGINAL FRONT SPRING ANCHORAGE AT REAR (SHACKLES AT FRONT) GOSHAWK HERON SEAGULL TO DA. FROM R. c. to CU. c. to BY. c. to HS. c. to MR. ✓ (2) When we are able to dispense with elasticity in the… | ||
| img233 | Steering mechanism modifications for the Goshawk, Heron, and Seagull models. | ||
| View original record | (2) (6) When we are able to dispense with elasticity in the steering connections the control of the front wheels becomes much more definite, and we can also then adopt semi-irreversible steering, (by… | ||
| img234 | Responding to a query on the capacity and specifications of the 'Seagull' engine. | ||
| View original record | R.R. 235B (100 T) (S.H. 79B 10-12-20) G. 2948 TO EFC. FROM E. ORIGINAL R 3 E6/M9.12.22. RE. "SEAGULL". In reply to your query regarding the capacity of the "Seagull" engine, this is for all practical… | ||
| img235 | Engine capacity, bore, and stroke for the 'Seagull' P1 Prototype engine. | ||
| View original record | To EFC. from E. ENGINE BORE & STROKE SEAGULL 4¼ x 5½ E6/M9.12.22. X.3548 - RE "SEAGULL" - P1 PROTOTYPE In reply to your query regarding the capacity of the "Seagull" engine, this is for all practical… | ||
| img236 | Request for weight information on the Goshawk and 40/50 engines to estimate the weight of the 'Seagull' engine. | ||
| View original record | R.R. 235b (100 T) (S.H. 79s 10-12-20) G. 2948 TO HS. FROM R. ORIGINAL E5/M9.12.22. R RE. WEIGHT OF "SEAGULL" ENGINE. X9920 In accordance with Mr. Royce's wishes would you kindly send us information… | ||
| img237 | Telegram from Basil Johnson to Hives requesting particulars of a conference concerning the Heron and Seagull projects. | ||
| View original record | POST OFFICE TELEGRAPHS Office of Origin: CONSTITUTION HILL S.W. No. of Telegram: D 27 To: 1320 Received here at: 12/17 M Roycar Derby Hives Please bring London with you this afternoon Particulars of… | ||
| img238 | Goshawk and Seagull prototype axles and gearboxes, comparing them to the 20HP and 40/50 models. | ||
| View original record | Early work on SEAGULL, PII prototypes R ORIGINAL TO H.J. FROM R. c: to CJ. WOR. c: to HY. HS. GOSHAWK, SEAGULL, ETC. Y3730 Y9810 X4219 (RECEIVED) With reference to the 20.HP. and the photograph, I… | ||
| img239 | Design and production status of components for the Goshawk and Seagull models, including axles and gearboxes. | ||
| View original record | (2) R bearings along the shafts. Both these units, we believe, if once made silent, will remain so, in fact our experience is, especially with the gearboxes, that they become more silent with running.… | ||
| img240 | Induction pipe arrangements for the Seagull, Hawk-Northcliffe, and Goshawk engines. | ||
| View original record | R.R. 235A (100 T) (S.H. 159 11-8-20) G. 2800 INDUCTION PIPES - H-N o SEAGULL ORIGINAL TO HS. BY FROM RDEC 29 1922 R5/M27.12.22 CC TO CU. EU. RG. RECEIVED RE. HAWK-NORTHCLIFFE. X3408 X4305 We are very… | ||
| img241 | Relocating the brake servo motor to the right-hand side of the 'Heron' gearbox. | ||
| View original record | BRAKE SERVO MOVED TO R.H SIDE OF G/BOX HERON. TO BY. FROM DA. c. to CJ. c. to WOR. c. to HS. "HERON". We send you herewith N. sch. 1341. This shews a good many of the principle features on the… | ||
| img242 | Urgent ordering of a car body for the 'Stork' and 'Heron' chassis. | ||
| View original record | To Da. from Hs. BODIES FOR STORK Hs4/LG6.1.23. HERON BODIES FOR "STORK" AND "HERON". We consider it is very urgent that we should order a body suitable for the Stork or Heron chassis. We are hoping to… | ||
| img243 | Preparation of open touring and closed bodies for 'Stork' and 'Heron' models. | ||
| View original record | Handwritten text: Now AT Camacho W. Wittering BODIES FOR STORK HERON Typed text: To Hs. from Da. Da/M8.1.23. BODIES FOR "STORK" & "HERON" X.4113. Replying to Hs4/LG6.1.23., we are setting out an open… | ||
| img244 | Proposal for a light speed body for the 'Stork' and 'Heron' models. | ||
| View original record | A LIGHT SPEED BODY FOR STORK HERON X,4113. To B.J. & Hs. from R. R10/M10.1.23. X.4113. We propose having made under Derby control a light speed body for use with "Stork" and "Heron". A print of the… | ||
| img245 | Providing feedback on the performance of car 6-EX, noting noise issues and a proposal for its sale. | ||
| View original record | R's 2nd PWW 1 40/50, AN EXCELLENT CAR BUT ALL GEARS TOO NOISY! 6 EX To Hs. from R. c. to BJ. R7/M10.1.23. 6-EX CAR. X.3923 X.3548. This is an excellent car, but could be slightly less noisy in the… | ||
| img246 | The specifications for a sports touring body for the 'Stork' and 'Heron' chassis. | ||
| View original record | X.4113 SPORTS BODY FOR STORK o Da/Evl/MMB.1.23. HERON GOING TO FRANCE SOON. PARK WARD! To BY. & Hs. From Da/Ev. RE. BODY FOR "STORK" & "HERON". X.4113. We enclose N.schs. 1369 & 70 shewing what we… | ||
| img247 | Specifications for a car's finish, color, wheels, and body construction. | ||
| View original record | CONTD: -2- jack etc. can be carried together with a tin of spare oil, as we wish no side oil tank to be fitted. Concerning the finish of the car we think this should be smart and attractive, with… | ||
| img248 | Front axle pivot lean for Stork and Heron models, comparing specifications with Goshawk, 40/50, and Delage cars. | ||
| View original record | TO HS, FROM WB. c. to BY. FRONT AXLE PIVOT LEAN ON STORK & HERON X 40/50 - GENERAL PHILOSOPHY. & DELAGE Dal/1/3.1.23. RE. FRONT AXLES. X.1541 X.4264 X.3525 X.3465 We recently had a request from BY's… | ||
| img249 | Query seeking details of a Delage steering system to understand and compare its stiffness characteristics. | ||
| View original record | 94 contd:- -2- Could you inform confirm this and could you at the same time give us particulars as to the pitch, diameter, linear pitch of the worm, number of starts in both worm and wheel so that we… | ||
| img250 | Policy memo discussing the development of experimental cars, the 'Heron' and 'Seagull', and the future 40/50 model. | ||
| View original record | DEVT POLICY re HERON SEAGULL FUTURE 40/50 To CJ. from R. c. to BJ. c. to Wor. c. to Da. c. to BY. c. to Hs. R3/M.17.1.23. RE. EXPERIMENTAL CARS X.3548 X.2565 X.4428. During Mr. Wormald's visit to WW.… | ||
| img251 | Policy statement regarding the fitting of front wheel brakes to the 40/50 chassis. | ||
| View original record | contd: -2- This policy is necessary and favourable for fitting the front wheel brakes at an early date to the present 40/50 chassis. R. | ||
| img252 | The cancellation of the Heron chassis design in favour of prioritising the Seagull design. | ||
| View original record | PNEU FWB HERON WOUND UP. RECEIVED 19 JAN 1928 H8 Mr Booth. Mr Hlaeth. c. Hs. Mr Coverley. HY4-P18.1.28. HERON. With reference to the front wheel brake proposal as embodied in the two chassis, Stork… | ||
| img253 | Future development strategy for the 40/50, Heron, and Seagull models. | ||
| View original record | [Handwritten text at top] R - TO DEVELOP 40/50 FURTHER 40/50 - HERON SEAGULL X.3548. OR NOT? 6EX IS SO GOOD! WOR SAYS 'YES', R PASSES THE BUCK TO CJ. [Typed text] To CJ. from R. c. to CJ. LHS. c. to… | ||
| img254 | Proposal for a sports body for the 'Stork' chassis, its suitability for other models, and coachbuilding estimates. | ||
| View original record | PROPOSED SPORTS BODY FOR STORK WILL ALSO SUIT A PRESENT LONG-CHASSIS 40/50. HS3/LG20.1.23. GET C/BUILDERS ESTIMATE To BJ. from Hs. c. to LHS. RE. BODY FOR "STORK" CHASSIS. R- PARK WARD. We send you… | ||
| img255 | Arrangements for building a speed body for the 'Stork' project with Park Wards and other coachbuilders. | ||
| View original record | SPORTS BODY TO GO AHEAD STORK SECURITY ? Da/Ev. from Hs. Hs2/LG20.1.23. RE. SPEED BODY FOR "STORK". With reference to the speed body for the "stork". The position of this at the present time is that… | ||
| img256 | Procurement and specifications for a sports body for the 'Stork' chassis. | ||
| View original record | SPORTS BODY-STORK Private. To Hs. from BJ. Copy to LHS BJ1/H23.1.23. BODY FOR STORK CHASSIS. 1. It seems very necessary that in getting any body built by a coachbuilder for any future chassis, we… | ||
| img257 | Clarifying that a specific body design is for experimental purposes only and requires review by the Coachbuilding Committee. | ||
| View original record | -2- make it quite clear that it is not intended to be one of our standard bodies, but only for experimental purposes, as if they are considered in our permanent sports body, the whole design would… | ||
| img258 | Confidential memo on the decision to abandon the 'Stork' and 'Heron' models and progress with the 'Seagull' model. | ||
| View original record | R' - TO BE ABANDONED FOR COMMERCIAL REASONS To Wor & BY. from R. c. to CJ. BJ. EP. c. to Hs. Da. E. STORK HERON CONFIDENTIAL. SEAGULL PROGRESS X.3548. For commercial reasons it has been decided to… | ||
| img259 | Testing of a new front axle with front wheel brakes on the 'Stork' chassis, and also the potential trial of a pneumatic brake operating mechanism. | ||
| View original record | [Handwritten annotation at top] Hs.- R to SEE FRONT AXLE AT W.W. STORK THEN BUMP IT - (ADDED UNSPRUNG WEIGHT PROBLEMS) WASTED EFFORT & MATERIAL. CAN WE ASSEMBLE & TRY IT? [Typed text] To R. from hs.… | ||
| img260 | Directive to halt work on the Heron and Stork projects to prioritize development of the Seagull (P1 Prototype). | ||
| View original record | BY- HERON & STORK STOPPED SEAGULL (P1 PROTOTYPE) PUSHED ON WITH UTMOST SPEED [Distribution List] Dept. H. Hd. C. Eng. C. Des. [Handwritten Annotations] HERON HS STORK SEAGULL STORK & HERON. Will you… | ||
| img261 | Basic tests for engine torque reaction vibrations. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. BASIC TESTS. ENGINE TORQUE REACTION VIBRATIONS Expl. No. REF: H-R/1093 To R. from Hs. c. to CJ. c. to Da. c. to EY. TORQUE TORQUE… | ||
| img262 | Measuring engine torque and fitting a spring-controlled, frictionally-damped arm to estimate friction damping. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. EXPERIMENTAL REPORT Expl. No. REF: Hs5/LCS2.9.23. 110 that some was going through the frame. We therefore measured the torque through a spring balance (as in… | ||
| img263 | Secret memo detailing schemes for engine torque reaction dampers and ignition wiring for the 40/50 chassis. | ||
| View original record | SCHEMES FOR ENGINE TORQUE REACTION DAMPERS. 40/50 To EY. from R. HS. E.A.C. R2/M13.10.23. c. CL. BL. S E C R E T. X.9770. X.9560. X.9950. X.4604. We have sent you this week the following schemes… | ||
| img264 | Exposed valve stems and tappets enclosure scheme for a 10,000 miles trial run on Chassis No. 12-EM. | ||
| View original record | EXPOSED VALVE STEMS & TAPPETS ON 40/50 - ENCLOSURE SCHEME CROWDED OUT TO H.M. FROM E. Copy to B.J. H.S. re. 10,000 MILES TRIAL RUN. CHASSIS No. 12-EM. Pressure of work has prevented an earlier answer… | ||
| img265 | Secret memo detailing plans for a visit to W.W., listing cars to be brought for testing and approval. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to EY. Wor. [Handwritten top: X1698, X4219, X9770, 40/50 file] S E C R E T. Hs7/LG17.10.24. VISIT TO W.W. We propose arriving at W.W. on Wednesday morning… | ||
| img266 | From CJ to Hs enquiring about the outcome of a meeting with Mr. Royce at West Wittering. | ||
| View original record | To Hs. from CJ. X1698 Hs file CJ11/E28/4/25 I note that last week you saw Mr.Royce at West Wittering. Did anything transpire which is of interest to the Administration? CJ. HS evidently forgot to put… | ||
| img267 | From Hs. to CJ. regarding a visit to West Wittering to test EAC cars and discuss steering, brakes, and other issues. | ||
| View original record | To CJ. from Hs. Hs2/LG29.4.25. [Handwritten Notes:] Ph file EAC II STEERING PN CWB Test VISIT TO WEST WITTERING. [Handwritten:] X8770 X1698 During my visit to WW. last week, I took to R. an EAC. 'V'… | ||
| img268 | Modifications to the radiator and bonnet of Mr. Royce's car following his criticism. | ||
| View original record | 1st PHANTOM I EXP (CHASSIS) ORI(FOR A L R) TO DY. FROM DA. (DY is struck out) COPY TO - HS. DA2/M6.7.25. 7EX 7.EX. Mr.ROYCE'S CAR. X8770 X8250 +8260 The line of the bonnet and radiator was criticised… | ||
| img269 | Recommendation regarding the retention, testing, and disposal of various American competitor cars. | ||
| View original record | [Handwritten] X 4212 Hs steering ø POST WAR POLICY [Typed] To Wor. from Hs. Hs9/LG23.11.20. X.1692. X.3317. RE AMERICAN CARS. I recommend that we should retain the Marmon and the Buick Cars. The… | ||
| img270 | Methods for heating the carburation system for the 40/50 HP chassis, referencing American car designs. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G 28 x4212 To E. from Hs/TMW. Hs/TMW2/LG3.1.21. X.4305. X.421.2 X.1692. RE HEATING OF CARBURATION SYSTEM. 40/50 HP. CHASSIS. With reference to the first paragraph… | ||
| img271 | Engine starting issues, starter motors, and post-war 3-speed gearbox design. | ||
| View original record | C for '3 & 4 Speed G/Box' War (3) (12) It should be clearly understood that our engine is a large engine and having very close fitting pistons (so that it shall run silently without piston knocks) and… | ||