Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 69\2\        Box Selection

IdentifierEntry
scan0001 Improvements to ignition coil No.L.I.5 for fitting to 23-EX.
View original record To RHC. from EFC. c. Hs/GWH. COPY X8712 EFC2/AD20.1.30. X. 87102 IGNITION COIL FOR 23-EX. Will you please arrange to have fitted to 23-EX, ignition coil No.L.I.5. which embodies several improvements…

scan0002 The fitting of a modified ignition coil to chassis 16-G4.
View original record X8712 RHC. from EFC. c. Hs/AJL. EFCL/AD5.4.30. X.8712. IGNITION COIL TO D.72503 No.L.I.5. As arranged with you verbally we have now modified our instruction in which we asked for this coil to go on…

scan0003 Production test procedure for an ignition coil, detailing tests for continuity, short circuits, and high tension.
View original record X8712. 5.4.30. X.8781 cl. PRODUCTION TEST OF IGNITION COIL X.8712. X.5781 cl. D.72503. (1) Continuity of primary and secondary circuits shall be tested by applying an A.C. voltage of 200 to the…

scan0004 Test procedures for ignition system components, detailing voltage, current, and running conditions.
View original record -2- A convenient way of doing this is to keep a small resistance made up non-inductively which, when placed in circuit with the 12 volt battery, ammeter, and contact breaker, just permits the passage…

scan0005 Cover note for the production test specification for an ignition coil.
View original record X8712 Sft/Mr Brock, from EFC. c. Ry. EFC1/AD7.4.30. X.8712. IGNITION COIL TO D.72503. X 8781 cl. X.5781 cl. Herewith specification of production test for the above type coil. EFC.

scan0006 Request to alter the lower current limit for an ignition coil production test.
View original record X8712 Sft/Mr. Brock. from EFC. EFCL/AML.4.4.30. X.8781 cl. X.5781 cl. IGNITION COIL PRODUCTION TEST X.8712. Will you kindly alter the lower current limit in test 5. of the above (issued 5.4.30) to .80…

scan0007 Standardisation of an ignition coil of improved design.
View original record RR 785 REVISED (10H) (D.C. 777 - 29 - 2 - 28) Ms C.L.TP X8712 COMPLETED 2.5.30 STANDARDISATION of CHASSIS PARTS. Date 4.4.30. Description of Parts. Ignition Coil of Improved Design. (See attached…

scan0008 List of five design improvements for an ignition coil.
View original record IGNITION COIL OF IMPROVED DESIGN. The points of improved design incorporated in this coil are as follows :- (1) Primary wound on Paxolin tube over the core thus obviating the use of the two copper…

scan0009 The methodology for measuring layer voltage in a standard ignition coil with a tapped secondary winding.
View original record WE.24. X8712 15.5.30. X.8712. STD. IGNITION COIL WITH TAPPED SECONDARY WINDING FOR LAYER VOLTAGE MEASUREMENT. X.918 We have now suitably arranged this coil, using a rectifying valve, condenser and…

scan0010 Table of maximum voltage readings at different tapping points on a coil, with an accompanying analysis.
View original record -2- Tapping point on coil. Max. voltage with secondary discharging at 8000 v. Max. voltage with secondary discharging at 9000 v. Primary negative to primary positive. | 737 | 913 2nd layer of…

scan0011 Failures and experiments related to ignition coil secondary windings.
View original record X8712. By from EFC. c. Sft/Mr.Brock. EFCl/AD22.5.30. X.8712. IGNITION COIL SECONDARY LAYER TO LAYER X.6014. X.6014.44. FAILURES AND IN PARTICULAR IGNITION COIL WITH SECONDARY WINDING IN TWO SECTIONS…

scan0012 Experiment on a standard coil's secondary terminal connection to prevent breakdown.
View original record EFC1/AD22.5.30. contd. -2- Another experiment we have in hand on an otherwise standard coil is the provision of a separate terminal for the inside end of the secondary, so that the connection of the…

scan0013 Extract from G.W. Hancock's report on vehicle 24-EX regarding the ignition coil at 6,000 miles.
View original record X8712 Extract from G.W.Hancock's report dated 20.7.30 on 24-EX at 6,000 miles. IGNITION COIL TO L.O.P. D.72503. There does not appear to be any fault with the coil, we have not had any failure with…

scan0014 Electrical experimental record sheet for an ignition coil test.
View original record X 8712 No. L.I.7. D72503. coil ELECTRICAL EXPERIMENTAL RECORD SHEETS. -:- Ignition coil wound on Paxolin tubes over core and primary, minus copper securing rings on core, secondary parallel wound and…

scan0015 Extract from G.W. Hancock's report on an ignition coil test on vehicle 24-EX at 10,000 miles.
View original record X8712 Extract from G.W.Hancock's report dated 15.8.30 on 24-EX at 10,000 miles. IGNITION COIL TO LOP. D.72503. We have had no fault with the coil during the mileage. A good spark was given off when…

scan0016 Comparative laboratory tests of enamelled copper wire for ignition coil secondary windings.
View original record By. from EFC. c. Sft/Mr Brock. X8712. EFC2/ADL7.9.30. X.8712. ENAMELLED COPPER WIRE FOR IGNITION COIL SECONDARY WINDINGS. We have now completed some comparative laboratory tests on several samples of…

scan0017 Page 2 of a report detailing chemical, abrasion, tensile, and heat tests on various enameled wire samples.
View original record -2- (c) Immersion in a 20% solution of HNO3 for five hours. All samples shewed negligible effect. (2) Wires twisted together tightly and then untwisted and examined for abrasion effects on the enamel.…

scan0018 Results of an electrical breakdown test on various grades of wire, with a recommendation for future use.
View original record -3- (5) Electrical breakdown test. The samples of wire were wound on to a 1" diameter metal bar and an A.C. 50~ voltage impressed between the conductor and the bar. Two samples of each grade were…

scan0019 Specification of laboratory tests for enamelled copper wire for ignition coil secondary windings.
View original record ENAMELLED COPPER WIRE FOR IGNITION COIL SECONDARY WINDINGS. SPECIFICATION OF LABORATORY TEST. (1) Immerse wire in (a) 20% solution of caustic soda for five hours. (b) 20% sulphuric acid for five…

scan0020 Comparison of different manufacturers of enamelled copper wire for ignition coil secondary windings.
View original record X8712 O.C. c. EFC. c. BM/HD. BY9/G.22.9.30. ENAMELLED COPPER WIRE FOR SECONDARY WINDING OF THE IGNITION COIL. ------------------------------------------------------- From a number of experiments…

scan0021 Requesting a comparison between insulating paper waxed before winding versus paper waxed after being wound into an ignition coil.
View original record X8712. EFC. By/RD2/W24.9.30. X1109 X8712 RE :- IGNITION COIL INSULATING PAPER. We send you herewith samples of waxed paper which we normally use in our Ignition Coils, and also samples of a plain…

scan0022 The test results of various ignition coil insulating papers.
View original record X8712. By from EFC. c. Sft/Mr.Brock. EFC4/ADL.10.10.30. X.1109. IGNITION COIL INSULATING PAPERS X.8712. FOR SECONDARY WINDING INSULATION. As requested in Ry/RD2/W24.9.30 we have tested the various…

scan0023 Conductance test results for different types of wax paper at varying temperatures.
View original record -2- EFC4/A110.10.30 contd. Standard wax paper. Temperature Conductance. 18°C. 0 40°C. 0 60°C. .001 micromhos 80°C. .002 " 100°C. .004+ " Plain white paper impregnated with wax. Temperature…

scan0024 Continuation of a report comparing the properties of different types of paper for coil impregnation.
View original record EFC4/AMO.10.30 contd. -3- Apparently a certain amount of moisture is absorbed by the paper during manufacture and then trapped by the wax impregnation, being released again when the paper is…

scan0025 Test results for the breakdown voltage and conductance of various ignition coil insulating papers.
View original record X8712. By. from EFC. c. Sft/Mr.Brock EFC2/AML.5.10.30. X.1109. IGNITION COIL INSULATING PAPERS X.8712. FOR SECONDARY WINDING INSULATION. Further to our EFC4/AML.10.10.30, further tests have been…

scan0026 Discussion comparing the properties of different insulating papers for wax impregnation in coils.
View original record EFC2/AM15.10.30 contd. -2- It will be observed that the Symon's varnished paper is the best all round, although the glazed paper is the best we have tested as regards leakage conductance. The plain…

scan0027 Adjusting the distributor and sparking plug gaps for the 20/25 HP ignition system.
View original record X8712 EFC. c. Ey/RD. Ey6/G4.11.30. X.5680. 20/25 HP. IGNITION SYSTEM. X.5680. X.8712. It would appear that our gap as provided in the distributor from the rotating finger to the aluminium casting is…

scan0028 Experiments with the 20/25 ignition system, focusing on spark behavior within the distributor.
View original record X8712. By. from EFC. c. Hs/AJL. EFC4/AM.9.11.30. X. 5680. 20/25 IGNITION SYSTEM. X.5690 X.8712. Experiments carried out some time ago indicated that there was only a moderate margin of equivalent…

scan0029 20/25 ignition system tests, detailing misfiring issues due to insufficient coil voltage and plans for a new coil.
View original record X8712. Ey. from EFC. EFC7/AD4.12.30. X.5680. 20/25 IGNITION SYSTEM X.5690 X.8712. As referred to in our EFC4/AM9.11.30 we have now carried out a test on each of two 20/25 HP chassis one experimental…

scan0030 Extract from a 6,000-mile report on vehicle 18-GIV, specifically regarding the coil.
View original record X87/2 X.6058. 18.12.30. Extract from report on 18-GIV at 6,000 miles. COIL to LOP. D.72503. This has not given any trouble at this mileage.

scan0031 The examination of a coil, condenser, and ballast from chassis GLN.15, with follow-up questions.
View original record X.8712 23-12-30 E.F.C. Herewith Coil, Condenser & Ballast off Chassis GLN.15 for your examination. Will you please return them at your earliest. E Ffrock Were plugs attended to? Distributor contact…

scan0032 Letter to Lucas Electrical Co. Ltd. seeking advice on production testing methods for ignition coils.
View original record X8712 EFC2/AD. 30th December, 1930. Dr. Turner, The Lucas Electrical Co.Ltd. Well St. Birmingham. Dear Sir, Production Tests of Ignition Coils. We should be pleased to have your opinion as to whether…

scan0033 Alteration to the production test for ignition coil D.72503.
View original record X8712 By. from EFC. c. Sft/Mr Brock. EFC5/AD31.12.30. X.5781. PRODUCTION TEST OF IGNITION COIL X.8712. D.72503. Will you kindly note that we have altered paragraph 5 of the above production test dated…

scan0034 High failure rate of the Delco Remy Ignition Coil across various models.
View original record S/W X8712 To EFC. from Sg. re Delco Remy Ignition Coil. Sg11/E31.12.30 Copy to R. Wor. X.8710 By. E. Hs. X.8712 I was interested to read EFC1/AD24.12.30 relative to the above and the rather…

scan0035 Cross-reference note for information relating to an ignition coil design with paxolin tubes.
View original record X.8712. 31.12.30. For further matter relating to Ignition coil to D.72503 design with paxolin tubes see X.6058.

scan0036 Secret memo detailing modifications for fitting an engine into a chassis, including changes to the front springs, frame, and radiator.
View original record To BY. from R. c. c. to CJ. RG. Hs. SECRET. X9770 R1/M19.10.23. E.A.C. 11. X.9770 In fitting this engine to the present chassis there is about 2" of room to spare. As we do not want to waste this…

scan0037 Modifications to the radiator dimensions and the stiffness of front springs.
View original record contd:- -2- By this scheme the radiator can be as wide as the inside of the frame. It will be as low as will be advantageous to the fan draught, and the required extra area will be obtained by making…

scan0038 Proposed modifications for the E.A.C.2 model, including dashboard layout, vacuum system, and ignition wiring.
View original record x.8470 [STAMP] "D" Dept. "E" " "F" " "G" " c. RHC. c. EFC. BY4-P19.10.23. E.A.C.2. In connection with the further modifications on E.A.C.2, the D.O. should note that the following parts need attention…

scan0039 Instructions on the proposed dynamo and the location of a changeover switch for specific models.
View original record Y4-P19.10.23. contd. - 2 - (5) In regard to the Dynamo, it is proposed to use the E.A.C.1. machine with a 3rd Brush Control, which we have already instructed. It is urgent therefore that the Exp.…

scan0040 Private memorandum regarding the road testing of a new engine (E.A.C.II) in a standard chassis to maintain secrecy.
View original record COPY. To Wor. from BJ. E.A.C.II. Private. BJ2/H7/12/23. Your memorandum Wor6/M6/12/23 is a great relief to us. We are glad to hear that the E.A.C.II can be tested on the road with our present standard…

scan0041 Fitting an original EAC engine to a standard 40/50 HP chassis for road testing.
View original record R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. /9770 EXPERIMENTAL REPORT. Expl. No. 9770 REF: Hs9/LG10.12.23. To R. from Hs. c. to CJ. c. to BJ. E.A.C-ll. The original EAC. engine which we have been…

scan0042 Proposed modifications and future plans for the E.A.C.II and E.A.C.III chassis.
View original record -2- X8770 (handwritten, crossed out) Wor2/MA.12.23 (handwritten) X9770 (handwritten) X8770 (handwritten, crossed out) During the early months of the New Year we shall know more about E.A.C.II. I…

scan0043 Private memo regarding the E.A.C.II engine, discussing that the radiator and bonnet are 1 inch higher than originally stated.
View original record To BJ. from Wor. " Hs.- " " X8770 PRIVATE. Wor1/M11/12/23 I send you herewith a copy of memo I have received from BJ. re E.A.C.II. You will know that we said in our memo to BJ. that we should be able…

scan0044 Missing luggage grid, stiff steering issues, and improving brakes for a car.
View original record W/S. PN. from Hs. X8770 Hs1/LG12.1.24. E. A. C.11. CHASSIS. X8770 X9946 With reference to the car we are preparing for you to take away. I told you that there was a luggage grid fitted to this car. I…

scan0045 The performance and modifications of the PN's Trials' Car 46-PK.
View original record R.R. 403A (40 H) (8L 42 12-7-23). J.H., D. X8770 Expl. No. [illegible] REF: Hsl/LG1.2.24. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to PN. DA. c. to E. BY. c. to WOR. EP. S E C R E T. PN'S…

scan0046 Modifications and performance of an engine, carburetter, clutch, and chassis components.
View original record R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. -2- EXPERIMENTAL REPORT. Expl. No. 9680 REF: Hs1/LG1.2.24. This engine has the improved oil retainer at the flywheel end and so far has given no trouble.…

scan0047 Car's performance, detailing steering, suspension, weight, and on-road testing of the engine, exhaust, and speedometer.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. 9680 REF: Hsl/LG1.2.24. The steering is EAC-1. This car is fitted with radius rods as the material for the front springs and…

scan0048 Test vehicle's vibration, braking noise, clutch, steering, and potential overheating issues.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. -4- EXPERIMENTAL REPORT. Expl. No. 9680 REF: Hsl/LG1.2.24. This vibration may be altered when we fix the gearbox on to the engine. We consider it is a point…

scan0049 Issues with brake consistency and the difficulty of equalising four-wheel brakes.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. -5- EXPERIMENTAL REPORT. Expl. No. 9680 REF: Hsl/LG1.2.24. The brakes on this car worked well at times. A difficulty which we have the whole time with rear…

scan0050 Arguing the advantages of perfecting the EAC.11 design over developing the new EAC.1V.
View original record WOr x8770 Hs3/LG13.2.24. The advantages of perfecting EAC.11. instead of working on new designs for EAC.1V. would be as follows :- (1) Adopting EAC.11. would enable us to get a better car in less…

scan0051 Comparative analysis table of two different vehicle configurations, EAC.11 and EAC.1V.
View original record ITEM. EAC.11. EAC.1V. Engine power. Equal. Equal. Engine silence. Equal. Equal. Engine weight. Light, owing to starter being fitted to gearbox. ---- Accessibility and repairs. Better because of having…

scan0052 Strategic letter discussing the launch timing and market impact of the EAC.II and EAC.IV models.
View original record Y8770 To R. from CJ. c. to Wor. c. to Hs. c. to Rg. c. to C. c. to Fr. CJS/E14/2/24 My dear R., After we had received your telegram, in which you pointed out that EAC.II might be completed first but…

scan0053 Letter from C.J. discussing the negative business ramifications of introducing new car models EAC.II and EAC.IV.
View original record CJ5/E14/2/24 - 2 - It cannot be expected that you could possibly under-stand the ramifications of the Sales business. Suffice it to say that the introduction of EAC.II means that every depot,…

scan0054 Troubles found with the EAC.11 chassis before delivery to customers.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. x8770 EXPERIMENTAL REPORT. Expl. No. 8770 3082 REF: Hs1/LG28.2.24. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. PN. c. to WOR. S E C R E T. E. A. C.…

scan0055 Outstanding work required to complete the EAC.11 car.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. -2- Expl. No. 9770 REF: Hs1/LG28.2.24. on to complete the EAC.11. car which so far no tests have been made :- 1. Undershield. 2.…

scan0056 Secret internal memorandum discussing a series of potential engineering improvements for an engine and chassis.
View original record To E. DA. HS. FROM R. c. to CJ. BJ. Wor. RG. PN. BY. X9770 S E C R E T RL/M10.3.24. E.A.C.11. X8840 X.9770 X.9930 X.8080 X.8070 (1) Can we improve the engine generally with disc crankshaft which…

scan0057 Improvements for noise reduction, clutch, and brake operation, and urging timely completion.
View original record contd:- -2- noises mean I think a longer silencer with more baffles. Cutout means a through pipe and butterfly valve or valves (as Goshawk here) which is extremely good and pleasing - i.e. more power…

scan0058 Preparation of car EAC.11, and arrangements for a temporary car if delivery is delayed.
View original record E. from Hs. X8770 Hs7/LG3.4.24. X8770 X9946 With reference to the car for R. We are at present busy preparing a car which we are trying to get to WW. before the 10th. This car will be an EAC.11., in…

scan0059 Arrangements for a trial of a car fitted with an EAC engine, including body style options.
View original record X8770 To CJ. from Hs. c. to BJ. Hs3/LC3.5.24. X8830 With reference to the car fitted with the EAC. engine which you instructed should be prepared to be sent to London for BJ. and yourself to try. We…

scan0060 Strict security protocols for handling the bonnet key of Car No. 46PK.
View original record X8770 5/5/24 CJ15/E21.1.24. I have received the key of the bonnet of Car No... 46 PK I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the…

scan0061 Secret memo from B.J. to Hs. regarding the fitting of a closed cabriolet body to a car with an E.A.C. engine.
View original record To Hs. from BJ. BJ4/H6.5.24. X8770 SECRET. E.A.C. ENGINE. Hs3/LG3.5.24. We should like to have a closed body fitted, such as a cabriolet. C.J. returns on the 8th and I will then let you know on what…

scan0062 Modifications to the EAC test car before it is ready.
View original record X8770 To CJ. and BJ. from Hs. SECRET E. A. C. Hs3/LG8.5.24. With reference to the EAC. car we are preparing for you to test. Following a recent visit to R., there are one or two modifications we wish…

scan0063 Secret memo from Hs. to CJ. and BJ. regarding the garaging and inspection of two cars with EAC engines.
View original record To CJ. and BJ. from Hs. 8770 SECRET. Hs4/LG9.5.24. EAC. CARS. We took two cars fitted with EAC. engines to WW. on Monday. The cars were garaged on Monday and Tuesday night in the Coach House at the…

scan0064 Advantages of a new servo-assisted braking scheme over the Hispano system.
View original record 48770 To CJ. from R. c. to BJ. Wor. c. to RG. E. c. to HS. EP. c. to Mr. Claremont. SECRET R1/M9.5.24. EAC.11. & 111. BRAKES ETC. X.9940 X.9770 On the 6th.inst. HS. brought us 4 cars, one being the…

scan0065 Report comparing a RR chassis with a Hispano, detailing brake, clutch, carburetter, and exhaust test results and modifications.
View original record contd; -2- (6) Simple and efficient compensation of the action of the servo between the front and back wheels by means of the floating lever, and not dependent upon the doubtful skill of the ordinary…

scan0066 Secret memo discussing plans to test a car with an E.A.C. engine and an open body.
View original record X8770 To Hs. from BJ. BJ8/H9.5.24. E.A.C. ENGINE. SECRET. Hs3/LG3.5.24. I have spoken to C.J. about this, and he thinks it would be better for us first to test this car with an open body, as it is…

scan0067 Inquiring if an E.A.C. car for trial will be fitted with the newly approved front wheel brakes.
View original record To Hs. from BJ. BJ11/H12.5.24. 48770 SECRET. E.A.C. Will the E.A.C. car which you are sending for us to try on or about the 19th be fitted with the type of front wheel brakes which have now been…

scan0068 Secret memo discussing the fitting and testing of a new brake scheme and steering lock on an EAC car.
View original record To BJ. from Hs. SECRET. X8770 HS3/LG15. 5. 24. E. A. C. X8770 29940 It will not be possible to fit on to the EAC. car (which we are preparing for the 19th.) the final brake arrangement. We are very…

scan0069 Secret internal memo about delaying a car test and arranging to test the brakes of another car.
View original record To Hs. from BJ. BJ2U/H14.5.24. X8770 E.A.C. SECRET. Thank you for the information in Hs3/LG13.5.24. We should prefer to wait a week or ten days after the 19th, so that we might try a car which is up…

scan0070 The brake performance of an experimental car, noting issues with balance, servo judder, and pulling.
View original record X8770 TO Hs. c. to BJ. FROM P.N. EXPERIMENTAL CAR. So far as brakes are concerned, I have not much of interest to criticise. Fortunately my second day's run was on a series of entirely slippery roads.…

scan0071 Record of experimental items fitted to vehicle 98NK.
View original record X8770 19.5.24. 420ET RECORD OF EXPERIMENTAL ITEMS FITTED TO 98NK. 19.5.24. Elliott ammeter - replacing standard Weston. ✓ X July. Battery - P & R TBD11/2. July.14. Exide battery 6BXRE5/gf has been…

scan0072 Brake performance, specifically vibrations and the car's tendency to deviate upon braking.
View original record To PN. from Hs. c. to BJ. X8770 SECRET. Hsl/LG20.5.24. RE. ADOPTED SCHEME OF BRAKES. It would be very helpful if you would amplify your criticisms on the brakes. We have tested the car since it has…

scan0073 Continued discussion on braking effects, comparing an equalised system with the Hispano braking system.
View original record contd:- -2- Again, if the co-efficient of friction of the road surface varies on any of the four wheels, when the brakes are applied hard, this will spoil the equalised braking effect. It also can…

scan0074 Modifications to the vehicle frame, including widening the rear track and adjusting the tie-rod arrangement.
View original record To CJ. BJ. DA. C. BY. HS. } FROM R. S E C R E T. [Handwritten stamp crossed out: X8770] [Handwritten: X8770] R1/M20.5.24. E.A.C.ll. [Handwritten: X.9770 (crossed out)] [Handwritten: X8830 (crossed…

scan0075 The allocation and modification of several specific cars.
View original record 48770 To R. from Hs. Hs10/LG3.6.24. 44219 X 8770 RE. 20 HP. CAR FOR YOUR USE ON JUNE 11TH. We are making arrangements to let you have 6-G-11 car. This car has the large green open body. It was at WW.…

scan0076 Specifications and progress for a Speed Model vehicle.
View original record X8770 To. CJ. BJ. ) RG. DA. ) E. HS. ) FROM R. BY. PN. ) SECRET. R3/M4.6.24. E. A. C.11. SPEED MODEL. (Handwritten: X.9770, X.9940, X8770 crossed out, X.8420) I assume that CJ. is very anxious that…

scan0077 Progress report on alterations and modifications to an engine and other vehicle components.
View original record -2- ENGINE. (Alterations from original) longer rods (finished). Exhaust. (Finished). Two 3s. with ejectors. Lower compression (finished). Will be (Throttle governor. (In progress. Mr. Jenner.)…

scan0078 From BJ to Hs requesting an E.A.C. car with front wheel brakes be ready for collection from Derby.
View original record X8770 To Hs. from BJ. BJ18/H5.6.24. RE E.A.C. SECRET. With reference to an E.A.C. with front wheel brakes and open body for C.J. and me to try, I expect to be in Derby on about Thursday of next week.…

scan0079 Secret memo regarding arrangements for the E.A.C. car to be collected from Derby, noting it has the final brake scheme but may lack other modifications.
View original record X8770 To B.J. from Hs. S E C R E T. Hs3/LG6.6.24. E. A. C. [Handwritten]: X9940 (crossed out) X8770 We will arrange to have the EAC. car ready at Derby on Thursday evening so that you can drive it…

scan0080 Telegram received by telephone from Basil Johnson regarding Hives trying a car.
View original record X8770 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received: 11-39 Date: 11-6-24 To: Royce Derby By: W&A from: London 10-54 Message Body: Hives prefer to try a car if you are satisfied with…

scan0081 Preference for an E.A.C. with front wheel brakes and a telegram regarding its trial.
View original record To Hs. from BJ. BJ2/H11.6.24. H8770 Secret E.A.C. With reference to Hs3/LG6.6.24, we should much prefer to have an E.A.C. with front wheel brakes in a state which is satisfactory to you. A few days…

scan0082 Secret memorandum arranging the discreet testing of a car with an E.A.C. engine and experimental front wheel brakes.
View original record SECRET. X8770 E. A. C. To Hs. from BJ. Copy to PN. BJ3/H18.6.24. (Dict. 17th). When the car with E.A.C. engine and front wheel brakes is ready for us to try, please do not bring it to London, but send…

scan0083 Ongoing difficulties with noisy servo operating gears and the scheduling of repairs.
View original record Y8770 To B.J. from Hs. c. to F.N. Hsl/LG19.6.24. Referring to your BJ3/H18.6.24. X8770 X8370 We are still in difficulties with noise from the gears operating the servo. We have just completed some new…

scan0084 From Hs. to BJ. stating that the E.A.C. car will not be ready due to issues with noisy servo gears.
View original record X8770 (handwritten) To BJ. from Hs. S E C R E T. Hs14/LG25.6.24. E.A.C. CAR. X9680 (handwritten, struck through) X9910 (handwritten) X8770 (handwritten, underlined) We regret that the EAC. car will…

scan0085 Arrangements for borrowing a car for a weekend trip to West Wittering and an air function in Southampton.
View original record To Hs. from BJ. BJ8/H20.6.24. Y8770 Re Hs1/LG19.6.24. I am spending next week-end with R. at West Wittering, and shall possibly be leaving London on Thursday night or Friday morning, as I am also…

scan0086 Raising questions about the delivery, specifications, and brake safety of an E.A.C. car for testing.
View original record To Hs. from BJ. 18770 BJ22/H1.7.24. Re E. A. C1 Car. With regard to the E.A.C. car which you are sending for CJ. and me to try, will you please let us know:- 1. On what date you expect to send it to…

scan0087 Secret memo forwarding an instruction to build six experimental chassis instead of one for testing purposes.
View original record X8770 SECRET. To Hs. - from Wor. "Mr.Coverley" Wor8/M27/6/24. E.A.C.II. I give you below copy of a note I have today received from Mr.Cowen. Will you please carry out this instruction? COPY. " With…

scan0088 Secret memo outlining a proposal to send an open EAC.11 car to London for testing and to exchange it for other vehicles.
View original record X8770 To R. from Hs. c. to BJ. S E C R E T. Hs3/LG1.7.24. EAC.11. AND G.1. X8770 X8981 We are proposing to send the open EAC.11. car to London on Friday for BJ. and CJ. to try. The car will be fitted…

scan0089 Arranging a secret trial for the E.A.C.II car, emphasizing the need for secrecy and specific delivery arrangements to Gerrards Cross.
View original record To Hs. from BJ. Copy to R [R is struck through] BJ3/H2.7.24. X8770 SECRET. E.A.C.II and G.I. X8770 [struck through] X3781 [struck through] With reference to Hs3/LG1.7.24, we should like to have an…

scan0090 Arrangements for keeping an EAC open car in London and its subsequent delivery.
View original record X8770 To R. from Hs. c. to BJ. Hs7/LG3.7.24. BJ. has asked that they can keep the EAC. open car in London until Wednesday the 9th.inst. HY. and myself will therefore arrive at WW. with the Car on…

scan0091 Secret memo arranging the delivery and subsequent transfer of an open E.A.C. car.
View original record X8770 To BJ. from Hs. S E C R E T. Hs4/LG3. 7. 24. E. A. C. The open EAC. car will arrive at your house at Gerrards Cross on Friday the 4th. about 6 p.m. There will be a mechanic with it who will stay…

scan0092 Performance report for an Open Touring Car, chassis number 46PK.
View original record X9770 Chassis No 46PK. Open Touring Car. Car Driven by Mr Briggs. Mls per Day. .133mls. Petrol Con. 10.7. Remarks on car generally. Acceleration. & power good. Brakes good. Klaxon horn required…

scan0093 Comparison of the 46-PK model with the final EAC regarding expected improvements in engine performance and refinement.
View original record X8770 To Bd. from Hs. S E C R E T. Hs1/LG4.7.24. E. A. C. ll. GENERAL COMPARISON OF 46-PK AND FINAL EAC. AS WE KNOW IT AT PRESENT. The engine silence on the final cars we expect…

scan0094 The specifications and temporary features of a car under development, detailing components like gear ratio, controls, and brakes.
View original record -2- There is a new cylinder head being made with sparking plugs on each side of the cylinder which will reduce the detonation when the engine is carboned up. GEAR RATIO. The axle fitted to this car is…

scan0095 Comparison of gear ratios and performance between a test car and the standard 40/50 HP model.
View original record contd:- -3- When comparing this car with the standard 40/50 HP. on narrow roads and hill climbing, the difference in gear ratio must be born in mind. The standard 40/50 car has been 14/52 compared…

scan0096 Test drive report for an Open Touring Car, detailing performance issues and remarks.
View original record Date 5-7-24. Chassis 46RK. Open Touring Car. Car Driven by Mr B. Johnson & Bagley. Mls for Day. 121 mls. Petrol Con 10.6. Remarks on car generally. Front wheels. brakes thump when foot pedal applied…

scan0097 Vehicle test report noting driver, mileage, petrol consumption, and performance remarks.
View original record Date 6-7-24 Chassis No 46 PK. Open Touring car. Car Driven by Mr. B. Johnson. Mls for Day. 42 mls. Petrol Con 10.5. Remarks on car generally. Offside front wheel brake squeaks occasionally, just at…

scan0098 Typed secret memo from B.J. to Hs. confirming the availability of a car after testing.
View original record To Hs. from BJ. BJ5/H8.7.24. 49770 SECRET. E.A.C. Thank you for Hs4/LG3.7.24. We shall have finished testing the car by Wednesday night, and it will be available at Gerrards Cross any time on…

scan0099 Secret memo regarding arrangements to collect an open EAC car for testing and a request for accommodation.
View original record X8770 W/S. C. from Hs. S E C R E T. Hs4/LG7.7.24. X1698 X8770 HY. and myself are coming to London on Wednesday afternoon the 9th.inst. We are proposing to collect the open EAC. car which BJ. has been…

scan0100 Secret memo from 'Hs' to 'R' advising of an arrival time and the two vehicles being brought.
View original record x8770 To R. from Hs. S E C R E T. Hs3/LG8.7.24. x1688 x8770 HY. and myself expect to arrive at WW. XXXXXXXX about 11 a.m. on Thursday. We shall be bringing the EAC.11. open car and 1.G.1. Hs.

scan0101 Secret internal memo arranging a meeting to inspect the EAC.11 car.
View original record x8770 x9770 x8770 To B.J. from Hs. S E C R E T. Hs2/LGS.8.7.24. We have asked our man Bagley to take the EAC.11 car to Staines. We propose meeting him there on Thursday morning. We shall then proceed…

scan0102 Secret memo from Hs to BJ arranging a meeting to discuss impressions of car EAC.11.
View original record X8770 To B.J. from Hs. S E C R E T. Hs2/LGS.7.24. X8770 (struck through) 49680 We have asked our man Bagley to take the EAC.11 car to Staines. We propose meeting him there on Thursday morning. We…

scan0103 Typed letter to Mr. Bagley arranging to take the 46-PK car to the Bridge House Hotel for a meeting.
View original record X8770 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 8th. July 1924. Mr. Bagley, "Wilderness", North Park, Gerrards Cross, Bucks. Mr. Bagley from Hs. Will you please arrange to take 46-PK car to the…

scan0104 Secret memo from Hs to BJ about meeting to inspect car EAC.11, with handwritten notes on spring fitting.
View original record CJ seen HS. To B.J. from Hs. S E C R E T. 18770 We have asked our man Bagley to take the EAC.11 car to Staines. We propose meeting him there on Thursday morning. We shall then proceed direct to WW. I…

scan0105 Covering note regarding replies for outstanding items on a chassis.
View original record RMC. Hs. E.A.C.II. 18770 BY/C5/H. 11. 7. 24. We attach, for your information, copies of replies from W.W. in regard to the position of the outstanding items for the above chassis, we we wrote to them…

scan0106 Responding to queries about the Autovac, radiator shutter, undershield, and electrical system.
View original record C O P Y. ----- TO BY. FROM E. S E C R E T. E1/M8.7.24. ---------------- ------------------- E. A. C. 11. In reply to your memo BY16/H4724. the following is the condition of the points you mention.…

scan0107 Secret memo detailing progress on designs for a petrol tank, battery placement, and other components.
View original record C O P Y. TO BY. FROM DA. S E C R E T. DAL/M7.7.24. E. A. C. 11. Replying to your memo BY14/H4724. (1). The petrol tank, together with the combined luggage grid and tank fender etc, is practically…

scan0108 Wiring, controls, and instrument board fittings for experimental cars.
View original record C O P Y. ---2--- a thicker bush for the boss of the upper of the two control levers. The base of the switch itself is exactly like Goshawk. The other problem in connection with this job is getting the…

scan0109 Instructions on the positioning of the starting carburetter control and special instrument board for six cars.
View original record C O P Y. ---2--- starting carburetter control in the position indicated by our dashboard drawing, may be shifted slightly in either direction if found necessary. The switch will be over on the R.H.…

scan0110 Criticism and analysis of a car's springing and suspension system.
View original record To CJ. from R. c.c. to BJ. RG. Wor. c.c. to Hs. DA. E. c.c. to BY. PN. H. c.c. to EP. C. S E C R E T X8770 R1/M12. 7. 24. EAC.11. X. 8770 RE. 46-PK CAR. X. 9410 X. 8310 This car was criticised here on…

scan0111 Continued report on suspension complaints and performance feedback for car 46-PK's engine and brakes.
View original record contd :- -2- There was cause for complaint, but 90% of it was due to the rear. I cannot suggest any better stiffness for the front springs which I think will be found extremely good. We may however…

scan0112 Two different classes of sports touring car bodies for a short EAC.2 chassis.
View original record +8770 To HS. from DA/EV. S E C R E T. DA/EV1/M14.7.24. E.A.C.11. RE. SPORTS TOURING CAR. x.9770 x.9840 +8830 We understand that you need a body for a short EAC.2 chassis somewhat on the lines of the…

scan0113 Performance of pistons and connecting rods in an E.A.C. engine.
View original record X8770 To Hs. from BJ. Copy to R. E.A.C.II. SECRET. BJ5/H15.7.24. PISTONS AND CON.RODS. With reference to R2/M12.7.24, in which it is mentioned that there is another E.A.C. engine in Derby having the…

scan0114 Brief memo from B.J. to Hs. forwarding an attached report concerning E.A.C.II.
View original record To Hs. from BJ. BJ16/H15.7.24. X8770 SECRET. E.A.C.II. With reference to our conversation to-day, I think you may care to look through the attached report, which was sent to R., concerning E.A.C.II.…

scan0115 Typed internal memo summarizing the road test results for car No. 46-PK.
View original record X8770 To H. from BJ. BJ11/H11.7.24. Re E.A.C. Car No. 46-PK. Messrs. Northey, Hanbury, Cowen, Sidgreaves, Birkett, Major Cox, Commander Briggs and myself tried E.A.C. 46-PK with the latest springs.…

scan0116 From B.J. to R. detailing criticisms of the steering lock and control fittings on a steering wheel.
View original record To R. from BJ. BJ11/H11.7.24 (Cont'd.) -2- STEERING LOCK. Unsatisfactory; but it is understood this is not yet finally fixed. CONTROL FITTINGS ON STEERING WHEEL. Cheap in appearance. The remarks are…

scan0117 Drawings and design modifications for the engine and gearbox undershield.
View original record X8770 To BY. from E. c. to CJ. HS. S E C R E T. E4/M17.7.24. E.A.C.11. ENGINE AND GEARBOX UNDERSHIELD. X.9290 X.9770 X.9620 We send you herewith five drawings Nos. LeC.1892 to 1896 inclusive, dealing…

scan0118 Seating configuration of a new Sports Touring Car and a related mock-up.
View original record x8770 To DA/EV. from Hs. Hs2/LG18.7.24. RE. SPORTS TOURING CAR. x8770 x8830 We consider that the Sports Touring Car should be a 4-seater. We think a body on the lines of that shewn on N.sch. 1369/70…

scan0119 Report relaying feedback on engine smoothness and silence, noting it was not quiet enough when the car was stationary.
View original record To Hs. from BJ. BJ5/H18.7.24. X8770 Re 46-PK - E.A.C.II. With reference to R1/M12.7.24, H. reports as follows:- "My impression was that the engine was good for smoothness and silence on the road. I…

scan0120 Inconclusive road tests comparing the springing and ride comfort of two different chassis models.
View original record X8770 To OJ. from BJ. Copies to H. Hs. BJ5/H22.7.24. On the evening of the 21st, PN., OWB., Hs. and BJ. made the following tests at Gerrards Cross. 107-MG (a short chassis) was taken as a sample, in…

scan0121 Road test results regarding shock absorbers, springing, steering, and braking systems.
View original record To CJ. from BJ. Copies to R. & Hs. -2- solid bumps considerably, so that more than 12% increase was distinctly inadvisable. It was thought that possibly the unsprung weight hitting the opposite side…

scan0122 Testing of springing and front-wheel brakes on closed cars.
View original record To CJ. from BJ. Copy to R. & Hs. -3- any decision in regard to closed cars, until they have had an opportunity of trying a closed car with the exact springing which it is intended shall be standard…

scan0123 Test drive report on chassis 93-NK, noting improved brakes but also engine detonation and overly stiff steering.
View original record To Hs. from Hm. X8770 Hm15/W23.7.24. Re E.A.C. 2, chassis No. 93-NK. The brakes on this car which I ran last week-end, seem to be a very great improvement since I ran the car last Whit. week. Whilst…

scan0124 Blueprints for revised car proportions and suggestions for body styles, including a boat body and a four-seater open tourer.
View original record To CJ. & BJ. from DA/EV. c. to Hs. X8770 SECRET. DA/EV2/M25.7.24. E.A.C.II. X.8770 X.8830 X.8250/60 EV. leaves with you on Saturday morning the 26th inst. a blue print of N.Scheme 1828., shewing the…

scan0125 Arranging the return of chassis 98 N.K. to Derby for examination.
View original record X8770 S/W (Hs) CWB6/LH8.8.24. I understand that one of your men from Derby will be in London tomorrow. Arrangements are being made for him to bring back 98 N.K. to Derby on his return. This will…

scan0126 Creation of a mock-up for the bonnet and dash of the E.A.C.II model.
View original record To Hs. from BJ. BJ12/H8.8.24. X8770 / E.A.C.II. SECRET. With reference to Da/Ev2/M7.8.24, concerning the dimensions of bonnet and radiator and dash of E.A.C.II, I note this suggests that a mock-up…

scan0127 Secret memo from 'R' about preparing an EAC.2 chassis with four-wheel brakes for sales approval.
View original record X8770 To Hs. from R. c. to CJ. BJ. SECRET. & E.A.C. 2 or 3. R2/M14. 8.24. X.9770 X.8770 X.8250. I think it very advisable for you to let WW. have a car fitted with four wheel brakes, and springs in…

scan0128 Outlining technical questions and proposals for the production of 100 sets of Eastern Armoured Cars.
View original record To Dr. c. to Hs. Y8770 BY/SS3/DB.14.8.24. EASTERN ARMOURED CARS. Will Mr Bailey please obtain information regarding the various questions raised, before instructing the 100 sets:- Crankcase & Bearings…

scan0129 List of queries and instructions regarding various engine component sections.
View original record -2- Cylinder Section 5050 - Contd. (3) - Shall we add monogram R.R. to the Rocker Cover and water Jacket Covers? (4) - Are wedges fitted to the parallel tubes? (5) - Design instruction plate for…

scan0130 List of queries and status updates regarding various engine components and assemblies.
View original record -3- Water Pump Drive & Throttle Governor Section 5101 - Contd. (3) - Reply from W.W. regarding Governor Lever fouling in closed position - Scheme 573. (4) - Is the oil leakage through lock ring hole…

scan0131 Status report on various vehicle component sections, including wire fittings, fan, exhaust, and controls.
View original record -4- Wire Fittings Section 5210. (1) - The first 100 sets will have black fibre ignition wire tube.(E.71189). We sent Scheme 520 to W.W. showing suggestion for mouldensite tube. Fan Section 5220. (1) -…

scan0132 Modifications to an EAC.11 car and the progress on a new EAC.111 chassis.
View original record To R. from Hs. c. to CJ. c. to Wor. X8770 HsS/LMR.9.8.24. E.A.C.11. and 111. x8770 x8410 x 8250 We propose bringing an EAC.11. car to WW. next week. If convenient to you we shall arrive on Wednesday…

scan0133 The secrecy surrounding an E.A.C.II car with non-standard fittings.
View original record X8770 To Hs. from BJ. BJS/H20.8.24. E. A. C. II. With regard to the E.A.C.II car you are taking to Mr. Royce, in view of the fact that this has fittings on the steering wheel and dashboard which are…

scan0134 Provision and use of a rubber stamp for 'Eastern Armoured Cars' correspondence.
View original record To Sro. - from Wor. " Hs. - " " 48770 Wor11/M20/8/24. EASTERN ARMOURED CARS. E.A.C. ----- I send you herewith one rubber stamp each, - "Eastern Armoured Cars" - which should be used on all…

scan0135 Table of figures for automatic ignition advance for the MAG.2 engine at various speeds.
View original record X.8770 21.8.24. X.3949. AUTOMATIC ADVANCE FOR MAG.2 ENGINE. (Figures supplied by Hs. showing maximum and minimum engine degrees B.D.P at which maximum power is maintained for various speeds). B.D.P.…

scan0136 Instructions for 100 sets for Eastern Armoured Cars.
View original record X8770 Mr. Shelton. Hs. BY14/H. 22.8.24. EASTERN ARMOURED CARS. RE INSTRUCTIONS FOR 100 SETS. I have discussed the whole issue as raised in your BY/SS3/DB. 14.8.24. with Hs. The conclusions arrived at…

scan0137 Outlining the strict secrecy protocol for the key to the bonnet of Car No. 93NK.
View original record CJ15/E21.1.24. X9770 I have received the key of the bonnet of Car No..93NK.. I have read CJ's memorandum of the 21st.Jan. and realise that under no circumstances whatever must I open the bonnet in the…

scan0138 Signed undertaking outlining the strict confidentiality and handling procedures for a specific car and its bonnet key.
View original record CJ15/E21.1.24. X8770 I have received the key of the bonnet of Car No. 46.P.K... I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet in…

scan0139 Specification and price for a new EAC.2 chassis for Mr. Royce's personal use.
View original record Y8770 To BJ. from DA/EV. S E C R E T. DA/EV1/M29.8.24. c. to HS. EAC.11. X.8770 X.8830. There will be an EAC.2. chassis for Mr. Royce's use, and we feel that this will be the car that will be wanted…

scan0140 Undertaking regarding the secrecy of a specific car's bonnet key and daily reporting procedures.
View original record CJ15/E21.1.24. 18770 I have received the key of the bonnet of Car No. 93NK I have read CJ's memorandum of the 21st.Jan. and realise that under no circumstances whatever must I open the bonnet in the…

scan0141 Responding to criticism about waste, detailing tests on cars with 4-wheel brakes and stronger springs.
View original record R.R. 403A (40 H) (SL 42 12-7-23). J.H.D. EXPERIMENTAL REPORT. To CJ. from Hs. c. to R. Wor. BY. X8770 Expl. No. 9410 9770 REF: Hs2/LG5. 9. 24. S E C R E T. EXPERIMENTAL CARS. We cannot allow the…

scan0142 The compromise between stronger springs for speed models and flexible springs for comfort.
View original record -2- EXPERIMENTAL REPORT. Expl. No. REF.Hs2/LG5.9.24. had the Experimental Dept. not had it, it would, we presume, have gone to a customer. The 10% stronger springs were, in our opinion, the best…

scan0143 Proposal to send a mechanic to investigate and cure a brake thumping complaint on a specific car.
View original record To R. from Hs. c. to E. X8770 46-PK CAR. X.9770 X.9940 Hs3/LG12.9.24. X8770 We propose sending a man to WW. next week to cure the brake thumping on the above car. The car is a bad example of this…

scan0144 Secret memo requesting two up-to-date EAC cars, one with an open body and one with a closed body, for production evaluation.
View original record To Hs. from BJ. BJ8/H17.9.24. c. to Wor. S O P Y. S E C R E T. X8770 EAC. ENGINE. X8770 With reference to R4/M29.8.24., when could you let us have at Gerrards Cross two of the most up-to-date EAC.…

scan0145 Qualities of car Hs2/LG3.9.24 and a request to reserve it for testing and demonstration.
View original record To Hs. from BJ. c. to PN. X8770 BJ5/H18.9.24. RE: 98-NK. X.488 X8950 X.9770. X.9680 PN. has shown me Hs2/LG3.9.24. as our suggestion that this car should be reserved for demonstration was originally…

scan0146 Secret memorandum concerning the availability of up-to-date E.A.C. engine cars for trial.
View original record To BJ. from Hs. c. to R. c. to Wor. X8770 S E C R E T: Hsl/LG18.9.24. E. A. C. ENGINE. X8770 With reference to BJ8/H17.9.24. We have no up-to-date EAC. cars. The only cars we have are - the open car…

scan0147 Readiness and dispatch options for a dummy chassis required for EAC 11 bodies.
View original record To Hs. from RHC. X8770 RHC 16/EU 22. 9. 24. X8830 X8250 X8770 X8260 RE EAC 11. With reference to the dummy chassis which is required for EAC 11 bodies, we could have a chassis ready for despatch a…

scan0148 Secret memo discussing delays with the E.A.C.11 dummy chassis due to the bonnet and radiator, proposing solutions.
View original record X8770 + To DA/EV. from Hs. SECRET. Hs5/LG22.9.24. E.A.C.11. DUMMY CHASSIS. X8770 X8830 We wired you today as follows :- "MOCK UP EAC. WILL NOT BE READY BY MONDAY WRITING - HIVES". The cause of the…

scan0149 Instructing that parts for six E.A.C.II chassis are to be made in parallel for demonstration cars.
View original record X8770 R. Royce. A.F.S. J.L. H.S. O.L. T.S.H. ********* BY15/H. 23.9.24. ************ E.A.C.II. ********* With reference to my recent note in regard to Experimental work, please note that this does not…

scan0150 Secret memo regarding the dispatch of a dummy chassis mock-up to Barkers for body and wing construction.
View original record To Hs. from DA/EV. c. to BY. C. [Handwritten] 48770 S E C R E T. DA/EV2/M25.9.24. E. A. C. 11. MOCK UP. X. 8250 [Handwritten] X8770 X. 8260 X. 8830. We wired you this morning as follows :- "SEND DUMMY…

scan0151 The slow running performance of the E.A.C. engine.
View original record R.R. 498A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8770 REF: Hs3/LG26.9.24. S E C R E T. X9770 X9771 X8770 To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor.…

scan0152 The dispatch schedule for a dummy chassis and its components to Messrs. Barkers.
View original record To DA/EV. from Hs. (Handwritten) X8770 Hs4/LG30.9.24. RE. DUMMY EAC.11. CHASSIS. (Handwritten above: X8770 crossed out, X8830) We shall be sending this chassis tomorrow to Messrs. Barkers, Shepards…

scan0153 Urgent inquiry regarding car modifications to improve performance and fix a 'booming' fault.
View original record X8770 PN16/DN30.9.24. URGENT. TO Hs c. to EP FROM PN I am very anxious to know what else is being done to this car other than the provision of a 14-tooth axle, in order to improve its performance, and…

scan0154 Secret memo regarding the development of the EAC.11 model and concerns about information leaks.
View original record X8770 To Wor. from Hs. S E C R E T. Hs4/LG1.10.24. X8770 X8830 E.A.C.11. - Ref. CJ4/E30.9.24. We have at present two standard 40/50 HP. cars which are fitted with EAC. engines. One of these cars is at…

scan0155 Secret memo instructing not to run the E.A.C.II chassis from the Experimental Shop without written authority.
View original record X8770 EASTERN ARMOURED CARS To Hs. - from Wor. SECRET. Wor6/M1/10/24. I send you copy of memo CJ4/E30/9/24 I have received from CJ. Will you kindly see that this instruction is carried out in its…

scan0156 Secret memo regarding the control, secrecy, and release of the EAC.II chassis.
View original record COPY. SECRET. To Wor. from CJ. EAC.II CJ4/E30/9/24. Will you please let us know what EAC.II chassis are in existence and what official of the Company holds the key of the bonnet in respect of each of…

scan0157 Telegram from Eversden to Hives at Roycar, Derby, enquiring when a knock-up will be at Barkers coachbuilders.
View original record (25618) EM7777 40,000M. 8/23 R.&Co.Ltd. E.1465. POST OFFICE TELEGRAPHS. X8770. No. of Telegram. Sent 0179. Office Stamp. To DERBY. Received here at 1/XI/22. Handed in at @ 11-55. Office of Origin and…

scan0158 Slow running of the EAC.11 engine and a proposed modification to the carburettor controls.
View original record To Hs. from R. c. to CJ. X8770 S E C R E T. R7/M6.10.24. EAC.11. SLOW RUNNING. X.8770 X.8240 X.8771 X.8080 I was interested to learn that the slow running of the EAC. engine on the test bed is equally…

scan0159 Extreme secrecy and handling procedures for the key to the bonnet of car No. 46PK.
View original record 48770 CJB/E21.1.24. I have received the key of the bonnet of Car No. 46PK. I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet in the…

scan0160 Proposing a test of a fabric coupling on an EAC.11 car to reduce noise and recommending a sub-frame for covered bodies.
View original record R.R. 493A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 78770 REF: Hs5/LG13.10.24. To R. from Hs. c. to CJ. BJ. c. to E. Da. c. to BY. Wor. S E C R E T. E.A.C.11. 78380 78770 We…

scan0161 Page discussing body noises, vibrations, and recommendations for sub-frame mounting and camshaft experiments.
View original record R.R. 493A (20H) (D.A. 652 20-3-24) J.H.D. --2-- EXPERIMENTAL REPORT. Expl. No. REF: Hs5/LG13.10.24. is fitted to this frame compared with when it is fixed solid to the chassis frame. We are always in…

scan0162 Secret memo discussing logistics for fitting a radiator and bonnet to a new chassis, model EAC.11, to avoid suspicion.
View original record Y8770 To C. from Hs. c. to DA/EV. S E C R E T. E.A.C.11. Y8770 Y8830 X8250 Referring to our conversation at Conduit Street on Thursday last. We are arranging to send a standard 40/50 HP. radiator and…

scan0163 Secret memo confirming permission for a car with an E.A.C.2 engine to be taken to Mr. Royce.
View original record To Hs. - from Wor. SECRET. V8770 Wor15/M16.10.24. Miss Meadows pointed out to you on the telephone that we had CJ's permission to allow the standard car that is fitted with an E.A.C.2 engine, to leave…

scan0164 Carburetter experiments and performance issues on the EAC.2 chassis and Goshawk engine.
View original record To BY. } FROM R. To HS. } SECRET X8770 R2/M16.10.24. EAC.2. CHASSIS. X.8770 X.4219 X.4228. You do not say the date on which we are to expect you with the EAC.2. We have been making some experiments…

scan0165 Secret memo about fitting an EAC.11 engine to a 40/50 HP car for preliminary road tests under instructions of secrecy.
View original record X8770 To CJ. from Hs. c. to BJ. c. to Wor. Hs6/LG17.10.24. S E C R E T - EAC.11. We assume it is understood that as it has been agreed that we can take a 40/50 HP. car fitted with an EAC.11. engine to…

scan0166 Secret memo regarding preliminary road tests for a 40/50 HP car fitted with an EAC.11 engine.
View original record To CJ. from Hs. C. to BJ. [Crossed out] C. to W.W. [Crossed out] [Handwritten top center:] X8770 [Top right:] Hs6/LG17.10.24. S E C R E T - EAC.11. We assume it is understood that as it has been…

scan0167 Secret memo arranging a meeting to discuss tests for the EAC.11 vehicle and its external appearance.
View original record To C.J. from Hs. c. to B.J. c. to Wor. X8770 S E C R E T. Hs3/LG18.10.24. TESTS OF EAC.11. BJ12/H17.10.24. X8770 X8940(crossed out) We will arrange to call at Conduit Street on Tuesday afternoon the…

scan0168 Secret memo discussing plans to test a modified chassis using an adapted old body, possibly in Spain.
View original record To Wor. from BJ. Copy to..... Hs. SECRET. X8770 E.A.O.II. BJ12/H17.10.24. Wor22/M16.10.24. We think that as there are so many alterations in the chassis, it would be advisable for us to start a test…

scan0169 Conference about misunderstandings between departments regarding chassis alterations.
View original record SECRET X8720 HS To R. from CJ. Copy to Wor. BY. Hs., EP., PN., CWB. EAC.II CJS/E22/10/24 At a conference held yesterday at which BJ, the writer and Hs. were present, it was endeavoured to ascertain…

scan0170 Secret internal memo discussing chassis production, testing challenges, and delivery schedules.
View original record SECRET. mitted to them anything except the complete chassis in every respect which the Works propose to put into production and that Smith & Sons should then test the sample chassis and accept it or…

scan0171 Secret memo urging caution regarding alterations to new chassis designs based on 20 years of company experience.
View original record SECRET. CJ8/E22/10/24 - 3 - rig for bending the frame of the chassis from its side so as to arrive at the earliest possible date at the weakest portions of the new chassis? It must not be forgotten…

scan0172 Request from CJ to Hs for a modified EAC.II engine to be submitted for testing once a list of specific alterations has been completed.
View original record SECRET. X8770 To Hs. from CJ. EAC.II. CJ1/E24/10/24 We should like to try the EAC.II engine again when you have rendered it as far as possible exactly similar to the proposed standard EAC.II engine,…

scan0173 Secret memo detailing the test results and issues found with an EAC.11 engine.
View original record 48770 PN1/DN24.10.24. FROM PN. To CJ. S E C R E T. 48770 Yesterday at Gerrards Cross I tested with Hs. an EAC.11. After our run I was informed that the compression of this engine was higher than…

scan0174 Note about the magneto on the 40/50 HP model, in relation to a new brake system modification.
View original record contd :- -2- magneto will be found to be no better or handier than in the case of the present 40/50 HP., arising out of the new brake system modification, that is, the magneto will be advisedly…

scan0175 Undertaking and set of instructions regarding the strict secrecy and handling of a key for a specific vehicle.
View original record X8770 CJ15/E21.1.24. I have received the key of the bonnet of Car No. 93.N.K. I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet in…

scan0176 Seeking opinions on the delivery schedule for EAC.II chassis and a potential further order of standard chassis.
View original record SECRET. To R. from CJ. To Wor. from CJ. To BY. from CJ. To Hs. from CJ. To EP. from CJ. To PN from CJ. To CWB. from CJ. YS770 EAC.II. With reference to memorandum CJS/E22/10/24, in which I asked for…

scan0177 Modifications to car 93-NK, incorporating EAC.11 components at the request of the Sales department.
View original record R.R. 498A (20H) (D.A. 652 20-8-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8770 REF HS2/LG27.10.24. To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to BY. Wor. S E C R E T. E.A.C.11. X8770 Sales have…

scan0178 Performance expectations and approval process for production car EAC.11.
View original record contd : -2- This car, when completed should represent as regards performance and quality of running what we can expect from the production EAC.11. We are hoping to have this car ready in 2 weeks time.…

scan0179 Secret internal memo discussing the production schedule, alterations, and risks associated with the new E.A.C.2 model's 10,000 miles trial.
View original record c. to Hs. Y8770 To C.J. - from Wor. SECRET. Wor2/M27.10.24. With reference to your memo CJ8/E22.10.24, Messrs Bailey, Hives, Whitehead and myself met this morning to consider the position, and…

scan0180 Chassis production continuity and the ordering of materials.
View original record -2- Wor2/M27.10.24. because all the new features are generally less likely to cause us difficulty than our experience with front wheel brakes. To keep up continuity of our present chassis at 9 per…

scan0181 Requested modifications to convert car 93-NK into a modern EAC.11.
View original record Y8770 To RHC. from Hs. S E C R E T. Hs1/LG27.10.24. E.A.C.11. We are anxious to make 93-NK car into a modern EAC.11. as far as possible. We should like the following units fitted to this car :- 1. New…

scan0182 Secret memo detailing the modernization of car 93-NK into an EAC.11 specification.
View original record To RHC. from Hs. S E C R E T. Hs1/LG27.10.24. E.A.C.11. We are anxious to make 93-NK car into a modern EAC.11. as far as possible. We should like the following units fitted to this car :- 1. New…

scan0183 Secret internal memo responding to a query and providing updates on four outstanding E.A.C.II. points.
View original record Hs from BY. 30.10.24. X 8770 Copy BY from DA. --- DAL/M.27.10.24. --- Secret. E.A.C.II. --- Replying to your BY2/H.24.10.24. we appreciate the necessity of getting the outstanding E.A.C.II. points…

scan0184 Chassis body type, camshaft suitability for a Sports Model vs a Covered Car, and gear ratios.
View original record To Hs. from CJ. CJL/D28.10.24. Referring to your Hs2/LG.27.10.24, could not this chassis be fitted with a Limousine Body? The larger proportion of our closed cars have the driver's seat enclosed. Will…

scan0185 Secret internal memorandum discussing car bodies, camshafts, and gear ratios for various models.
View original record X8770 To CJ. from Hs. S E C R E T. Hs7/LG29.10.24. EAC.11. X8830 X8770 With reference to CJ1/E28.10.24. The body which is fitted to 98-NK car is a 2-door Cabriolet - the driver is enclosed. LHS,…

scan0186 Risks and timelines for manufacturing two new chassis.
View original record c. to Hs. X8770 To CJ. - from Wor. SECRET. Wor1/M29/10/24. Referring to your manuscript memo, and also to CJ1/E28/10/24, Messrs Hives, Bailey, Platford and myself have considered same. Dealing with…

scan0187 Development, testing, and delivery schedules for the E.A.C.2 chassis and 93.NK car.
View original record -2- Wor1/M29/10/24. We agree that we have reason to believe that the revisions are not likely to be so important as to delay delivery of satisfactory E.A.C.2 chassis beyond the middle of July. We…

scan0188 Preparation of car 93-NK for criticism by comparing it to a standard 40/50 HP model.
View original record X8770 To CJ. from Hs. SECRET. Hsl/LG29.10.24. EAC.11. X8770 X9680 With reference to the attached note ref. PN1/DN24.10.24. Our reply to this criticism is the preparation of 93-NK car and to make that…

scan0189 Secret internal request for a recommendation on making the accelerator throttle opening more gradual for implementation on the 93-NK car.
View original record x8770 To E. from Hs. S E C R E T. Hs8/LG29.10.24. EAC.11. x8770 x.8080 We should like particulars from you of the way in which you recommend the opening of the throttle by the accelerator pedal should…

scan0190 Component updates and decisions for the 93-NK car model.
View original record X8770 To Wor. from Hs. Hsl/LG31.10.24. With reference to CJ5/E30.10.24. X8770 X63-4 Item No.2. The starter motor on lower half, new connecting rods and new pistons will be fitted to 93-NK car.…

scan0191 Testing protocol and anticipated issues for the EAC.11 and 93-NK cars.
View original record contd :- -2- for the sub-frame. it will be pushed forward with all speed and we are hoping to have a completed EAC.11. car ready by Christmas, fitted with a covered body. This matter was discussed…

scan0192 Comparing vibrations between car models 93-NK and 46-PK, noting different parts fitted.
View original record Contd :- -3- attention can be given to the quality of running. As we have pointed out, we could quickly complete a duplicate of 93-NK car if it is approved of. Vibrations. Hs. wishes to point out that…

scan0193 Explaining the reason for fitting high compression pistons to car 93-NK.
View original record contd :- -4- than that car. The reason why 93-NK had high compression pistons fitted was because it was a definite instruction from R. as he wished to try them. Hs.

scan0194 Secret internal memo discussing the unacceptable roughness of car 48-PK and the importance of maintaining 'silkiness' in standard chassis.
View original record X8770 SECRET. To Hs. from CJ. Copy to BJ. Copy to PN. Copy to CWP. [Struck through] [handwritten: l SEP.] re 48-PK. CJ14/E3/11/24 Referring to your secret memo. Hs1/LG29/10/24, 48-PK is not considered…

scan0195 Secret memo discussing engine vibration issues in car models 46-PK and the new EAC.II engine.
View original record SECRET. 48770 To Hs. from CJ. C/SE P CJ8/E3/11/24 Referring to 93-NK, according to present arrangements, R. leaves for Le Canadel on the 15th December. When in July BJ drove 46-PK with a Works…

scan0196 Secret memo discussing engine vibrations and policy changes for the EAC.11 car, comparing it to the 46-PK and 40/50 HP models.
View original record X8770 To CJ. from Hs. S E C R E T. Hs2/LG4.11.24. EAC.11. VIBRATIONS. X8770 / X634 We were certainly under the impression that the Sales critics were satisfied with 46-PK car as regards engine…

scan0197 Secret memo regarding the fitting of a radiator, lamps, and other parts to car EAC.11.
View original record 48770 To C. from Hs. c. to DA/EVH S E C R E T. Hs2/LG5.11.24. 48250 48770 RADIATOR FOR EAC.11. Our man arrived at Barkers yesterday with the 40/50 HP. Dummy Radiator and Bonnet. We are also sending to…

scan0198 Proposing a visit to Derby to test important chassis waiting to be passed.
View original record Hs. X8770 PN1/DN6.11.24. TO EP [struck through] c. to Hs FROM PN I propose to come to Derby about the middle of next week in order to test certain important chassis which you have waiting to be…

scan0199 Secret memo discussing car arrangements for Mr. Royce, including the use of a Beatonson all-weather and a new experimental EAC.2 chassis.
View original record To LHS, from DA/EV. c. to CJ. R. c. to C. HS. X.8770 S E C R E T. DA/EV1/M7.11.24. EAC.11. CAR FOR R. X.8770. We thank you for your LHS9/EBN5.11.24., and the attached correspondence, which we return…

scan0200 Undertaking outlining the strict confidentiality protocols for handling the key to a specific car's bonnet.
View original record X8770 CJ15/E21.1.24. I have received the key of the bonnet of Car No..46.PK.... I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the Bonnet in…

scan0201 List of modifications required to fit an EAC.2 engine into an existing 40/50 chassis.
View original record To BY. from DA. S E C R E T. X8770 (handwritten) DA1/MO.11.24. c. to CJ. HS. E. EAC.V1. X. 8770. Below is a list of the work required to fit the EAC.2 engine into an existing 40/50 chassis. This is…

scan0202 Secret memo from Hs to Wor detailing issues with the 93-NK car, including vibrations, and plans for demonstration before sending to sales.
View original record 48770 To Wor. from Hs. SECRET. Hs2/LG10.11.24. With reference to the attached note from CJ. We have had 93-NK car running on the road for several days. We are not however satisfied that it is…

scan0203 Telegram regarding the delayed return of car 48-PK and making arrangements for its use.
View original record POST OFFICE TELEGRAPHS No. of Telegram: 0274 Office Stamp: DERBY Reference: 48 - PK BJ + Handed in at: 254 5.20 LONDON R 33 Received here at: NOV 24 6 1.6 PM To: ROYCAR DERBY Message: = HIVES BRIGGS…

scan0204 Improvements and comparative testing of the EAC.11 engine against the standard 40/50 HP model.
View original record To Wor. from Hs. S E C R E T. X8770 Hs6/LG11.11.24. EAC.11. X8770 X8770 Although yesterday we could not promise the EAC. engine to be as smooth as the standard 40/50 HP., we are much more optimistic…

scan0205 Secret memo discussing the improved EAC.11 engine's performance compared to the standard 40/50 HP and arranging further tests.
View original record To Wor. from Hs. S E C R E T. 48770 Hs6/LG11.11.24. EAC.11. X8770 (crossed out) X9770 (crossed out) Although yesterday we could not promise the EAC. engine to be as smooth as the standard 40/50 HP.,…

scan0206 Proposed chassis modifications to accommodate the EAC.II engine.
View original record 78770 BYS/H. 11. 11. 24. E.A.C.VI. --------------------- Referring to Dal/M. 10.11.24. and the various proposals, a/- To make the necessary modifications to our present chassis at the earliest…

scan0207 Typed memo requesting to borrow the 48-PK car for a meeting and outlining the arrangements.
View original record W/S. CWB. from Hs. 48770 Hs4/LG11.11.24. X8770 X2565 I telephoned to you this afternoon, and as I could not get you I spoke to Bs. and asked him to leave a message as to whether you could arrange for…

scan0208 The EAC.11 (93-NK) car, discussing its modern parts and a change in policy from a speed model to a town-carriage.
View original record R.R. 493a (20H) (D.A. 652 20-3-24) J.E.D. X8770 EXPERIMENTAL REPORT. Expl. No. REF: Hs2/LG11.11.24. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. S E C R E T. EAC.11. - 93-NK CAR.…

scan0209 The use of the 48-PK car.
View original record x8770 To BJ. from Hs. S E C R E T. Hs2/LG12.11.24. x8770 x9770 Attached herewith is a copy of our Hs4/LG11.11.24 which we have sent to CWB. with reference to 48-PK car. We should very much like to…

scan0210 Secret memo discussing the EAC.11 gearbox, its differences to the standard EAC.111, and its use in an experimental car.
View original record 48770 To C.J. from Hs. S E C R E T. Hs4/LG12.11.24. X.8770 X.8310 EAC.11. GEARBOX. With reference to CJ1/E12.11.24. The difference between an EAC.11. gearbox and thr standard EAC.111. gearbox is that…

scan0211 Modifications required to fit the EAC.11 engine into a present chassis.
View original record X. 8770 SECRET RL/M13.11.24. To CJ. ) FROM R. c. to BY. c. to Hs. PRESENT CHASSIS WITH EAC.11. ENGINE. In reply to your CJZ/E11.11.24., I am very pleased to hear 'V' series is to be prepared for EAC.…

scan0212 Chassis and engine compatibility, detailing proposed modifications and production choices for various vehicle series.
View original record contd : -2- of EAC.111. will have to be changed to one of EAC.11 type. (Design sent to Derby). (10) It seemed extremely difficult to make a chassis for either engine. The nearest scheme would be to…

scan0213 Feedback from the Sales Department on a car with a modified axle and ignition system.
View original record To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. X8770 S E C R E T. Hs7/LG11.12.24. EAC.11. 93-NK CAR. X8770 X8791 The Sales Dept. have had this car for several days. Generally, they…

scan0214 Secret memo discussing which car model to adopt, considering modifications to the 'V' series chassis and bodywork.
View original record To CJ. from R. c. to BJ. Wor. c. to BY. Hs. S E C R E T. X8770 R1/M15.11.24. E. A. C. X. 8770 It is still somewhat doubtful as to what 'V' series ought to be. The doubtful part is the dash, bonnet,…

scan0215 Issues and repair plans for car 8-G-11 for Le Canadel.
View original record 48770 To HS. from R. c. to CJ. BJ. R3/M18.11.24. CAR FOR LE CANADEL. X.8770 X.4219. 8-G-11 car to go to Derby for general examination. One exhaust valve bad, (earlier a bad crankshaft vibration which…

scan0216 Modifications to the 93-NK car to serve as a model for the EAC.11 chassis.
View original record B.R. 493A (20H) (D.A. 652 20-3-24) J.H.D. X8720 EXPERIMENTAL REPORT. Expl. No. 8770 REF: Hs2/LG18.11.24. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. S E C R E T. 93-NK CAR. As a…

scan0217 Secret memo discussing the arrangement and transport of a dummy chassis and the unsuitability of a 'live' chassis for experimental work.
View original record X8770 To C. from Hs. S E C R E T. Hs11/LG19.11.24. EAC.11. X8770 Referring to our telephonic conversation this afternoon. We understand that you will arrange to have the dummy chassis taken from…

scan0218 Clarifying production instructions and material quantities for the 'V' and 'W' Series chassis.
View original record X8770 RHC. Hs. C.P. Dept. C.A.P. C.F. C.G. BY8/H. 21. 11. 24. I am handing you herewith copy of BY5/H.21.11.24. which outlines clearly how "V" and "W" Series are to be respectively produced. When…

scan0219 Outlining proposals for the 'V' and 'W' Series chassis and body components following a conference.
View original record D. Dept. BYB/H. 21.11.24. ------------------ At the Conference in London betwixt R, CJ and Wor, the following proposals for "V" and "W" Series respectively were definitely decided upon. a/- "V" Series…

scan0220 Specifications for 'V' and 'W' Series components including the radiator, engine, and exhaust systems.
View original record - 2 - will have a lip on its upper edge for carrying shutters to a special design not incorporated in the radiator body. The tank itself is to have a water outlet on either side so as to make it…

scan0221 Specifications for exhaust, ignition, carburetter, clutch, and gearbox components for various vehicle series.
View original record - 3 - Exhaust System exactly similar to the original 40/50 Exhaust System before Four Wheel Brakes were incorporated. "W" Series will have to be the same as above, owing to the fact that the time at…

scan0222 Specifications for frames, axles, and brake operation for V and W Series vehicles.
View original record - 4 - BYS/H. 21.11.24. 15. Frames. --------- "V" Series. The main frame is precisely the same as "T" Series except that the front cross member will have to be of the new conversion type suitable for…

scan0223 Specifications for various components for V and W series vehicles, including steering, starter, and fuel systems.
View original record - 5 - BYS/H. 21. 11. 24. have given us an intermediate shaft scheme and equaliser suitable for use with EAC.II engine. 19. Steering Column. ----------------- For both "V" and "W" Series EAC.II…

scan0224 Technical note discussing the petrol tank design and an agreement to modify the timing gear oil pump.
View original record - 6 - BYE/H. 21. 11. 24. 24. Petrol Tank. The present type petrol Tank will be used for "V" Series and "W" Series. West is trying to give us a design for an emergency chamber under the filler which…

scan0225 Short internal memo from CJ to Hs. regarding travel plans to West Wittering.
View original record Y8770 To Hs. from CJ CJ1/E25/11/24 Will you please let us know when you expect to go to West Wittering with 95-NK? And when you get to WW. will you please let us know when you expect to visit us here?…

scan0226 Modifications and vibration tests on car 93-NK, focusing on engine couplings.
View original record To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. X8770 S E C R E T. Hs5/LG26.11.24. E.A.C. 93-NK. 18430 We propose bringing 93-NK car to WW. - arriving on Tuesday morning the 2nd.…

scan0227 Steering column vibration, control alterations, and front silencer noise on 40/50 HP models.
View original record contd :- -2- It occurs on either 'A' or 'D' steerings at the same speed. If the steering column is supported by means of a friction support, the vibration of the column can be easily eliminated, but…

scan0228 Secret memo discussing the EAC mock-up's shutter material and the future of an out-of-date dummy chassis.
View original record To C. from Hs. SECRET. Hs4/LG28.11.24. 48770 EAC. MOCK-UP. X.8770 48250 The shutters of the EAC. are made of the same material as the outside of the radiator. The reason they appeared different on the…

scan0229 Secret memo outlining the plan to bring a car to London for trial and review.
View original record To C.J. from Hs. c. to B.J. S E C R E T. 18770 Hs2/LG29.11.24. 93-NK. 18770 We think it is practically certain that we shall bring this car to London on Wednesday. We will telephone from WW. on…

scan0230 Redesigning the exhaust system on the E.A.C. engine to fit a sequence starter motor.
View original record To EY. from R. c. to HS. CJ. S E C R E T R2/M29.11.24. E. A. C. X. 8770 X. 8305 X. 8230 Mr. Hives is very keen to get the fabric coupling on the EAC. engine as soon as possible. We have therefore in…

scan0231 Secret memo from 'Hs' to 'CJ' regarding bringing a car to London for trial and discussion.
View original record [Handwritten top right]: 48770 To CJ. from Hs. [Strikethrough]: to D.J. S E C R E T. Hs2/LG29.11.24. 93-NK. We think it is practically certain that we shall bring this car to London on Wednesday. We…

scan0232 Secret memo regarding the cancellation of a second oil pump in favor of a new relief valve box to simplify the engine's oil supply system.
View original record To HS. } To BY. } FROM R. c. to CJ. BJ. 48770 S E C R E T. R1/M1.12.24. EAC.2. X.8460 ENGINE. X.8770 Since it has been found that the special pump and stream of oil on the half time gears is not an…

scan0233 Secret memorandum detailing a test run and modifications for the 'V' series advance model car.
View original record X. 8770 To CJ. from R. S E C R E T. R1/M3.12.24. c. to BJ. BY. HS. E.A.C. RE. ADVANCE MODEL FOR 'V' SERIES. The car brought here by HS. yesterday (2.12.24) appeared to be satisfactory, though not…

scan0234 Secret memo from BJ to Hs requesting the delivery of a chassis with an E.A.C. engine and 15-tooth axle for testing.
View original record To Hs. from BJ. BJ10/H5.12.24. X.8770 SECRET. E.A.C. Will you kindly let us know on what date you expect to be able to send chassis with E.A.C. engine and 15-tooth axle? It is more convenient to us to…

scan0235 Instruction to increase chassis production from three to six for the 'V' series.
View original record To Mr. Conway from Wor. c. to Hs. SECRET. X 8770 Wor2/M4/12/24. Please note CJ. now instructs that we should make six chassis, instead of three, in accordance with the specification for "V" series.…

scan0236 Secret memo arranging for a car to be moved from Gerrards Cross to Derby for a 15-tooth axle change and testing.
View original record X8770 SECRET. To Hs. from BJ. BJ2/H8.12.24. When I heard from P.N. this afternoon that you would not be coming here until to-morrow, I telephoned to your office saying that I was instructing Bagley to…

scan0237 Private memo arranging a recuperation trip for an employee disguised as a work assignment.
View original record To Hs from BJ. BJ2/H11.12.24. X8770 PRIVATE. Re Maddocks. Dr. Campbell Thomson was mentioning to-day that Maddocks in the Test Dept. was suffering from the results of a bad chill and influenza, and it…

scan0238 Secret memo discussing the progress of a 'V' series chassis build and plans to send a complete car to France for approval.
View original record 18770 To R. from hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. SECRET. E. A. C. Hs8/LG11.12.24. X.8770 X.8940 At the present moment we are building up a 'V' series chassis as far as we can…

scan0239 Secret memo regarding the arrangement for a car delivery and trial.
View original record To BJ. from Hs. SECRET. Y8770 Hs6/LG11.12.24. EAC. 93-NK. CAR Y8770 With reference to your request that this car should meet you at the Albert Hall early on Friday after-noon. We think it is doubtful…

scan0240 Secret memo discussing feedback from the Sales Department on a car's axle and ignition system.
View original record x8770 SECRET To R. from Hs. c. to W. BJ. c. to RG. E. c. to Da. BY. c. to Wor. Hs7/LG11.12.24. EACII. 93-NK. X.8770. X.8680. The Sales Dept. have had this car for several days. Generally, they appear…

scan0241 Bumping test for the EAC.11 chassis, 'W' series.
View original record R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. 48770 EXPERIMENTAL REPORT. COPIES TO: RCJ, BJ, WOB, By, E, Da, EP, PN, OY, RG Expl. No. 48772 x48770 REF. Hs2/LG12.12.24. OBJECT OF TEST. BUMPING TEST ON…

scan0242 Bump test report for the EAC.11 chassis, including specifications and a summary of failures.
View original record BUMP TEST OF EAC.11. CHASSIS. SPECIFICATION OF CHASSIS. FRAME. EAC.11. Short wheelbase. Fitted with additional cross member at front of chassis. Fitted with top half of crankcase weighted with 800…

scan0243 The behaviour and failure analysis of various chassis components.
View original record -2- REMARKS ON BEHAVIOUR OF VARIOUS PARTS OF CHASSIS. SIDE MEMBERS OF FRAME. The failure of the near side frame member after 73 hrs. 55 mins. does not compare with the standard 40/50 HP. frame, too…

scan0244 Component failures including shutters, suspension stays, and a comparison of road spring life.
View original record contd :- -3- Shutters developed slight rattle, otherwise radiator is O.K. The suspension shews no signs of failure. The top stay has broken four times during the 90 hrs., but the first two of these…

scan0245 Diagram of an E.A.C.II. chassis side member elevation showing cracks from a bump test.
View original record BUMP TEST OF E.A.C.II. CHASSIS. CRACK CRACK ELEVATION OF SIDE MEMBER. 11-12-24.

scan0246 Summary table of road spring failure test results for an E.A.C.II chassis, including a diagram of the leaf spring.
View original record SHEET 3. BUMP TEST OF E.A.C.II CHASSIS CONTD. ROAD SPRING FAILURES CONTD. SUMMARY OF SPRING FAILURES. Ref. No Piece No. * Position of Spring Position of Leaf ‡ Position of Fracture Compression Rebound…

scan0247 Car models, potential modifications, and testing arrangements in France for a Mr. Maddocks.
View original record To BJ. from Hs. X8770 PRIVATE. Hsl/LG12.12.24. Mr. Maddocks. X8770 X5770 At the moment the only car we are contemplating sending to R. is an EAC. 'V' series when it is ready. As Mr. Maddocks knows…

scan0248 Expected features and design points for the 'V' and 'W' series cars.
View original record X8770 To CJ. from Hs. SECRET. Hs4/LG12.12.24. 93-NK. X8770 X9770 This car is what we expect the 'V' series car to be like as regards the following points :- 1. Performance. 2. Silence. 3. Freedom from…

scan0249 Strict confidentiality and handling procedures for the key to a car bonnet.
View original record X8770 CJ15/E21.1.24. I have received the key of the bonnet of Car No...H6PR I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the Bonnet in the…

scan0250 Confirming the dispatch of drawings for oil pump modifications and wheelcase oil jets for EAC 'V' Series engines.
View original record X8770 To BY. from E. c. to CJ. HS. S E C R E T. E2/M13.12.24. E. A. C. 'V' SERIES. X. 8770 X. 8160 We send you herewith drawings Nos. LeC.1959 and 1961., dealing with the oil pump modifications, and…

scan0251 Secret memo regarding a wired message about potential complaints concerning car 93-NK.
View original record X8770 W/S. CWB. from Hs. c. to BJ. SECRET. Hs1/LG15.12.24. 93-NK. In reply to the telephone message this morning, we wired you as follows :- "BRIGGS AGREE TO YOUR KEEPING 93-NK IF ANY CONTROVERSIAL…

scan0252 Secret memo detailing test drive feedback for the EAC car, including a meeting with Mr. Royce.
View original record COPY. 48770 To Hs. from BJ. BJ11/H16.12.24. S E C R E T. E. A. C. CJ. and CWB. tried the EAC. car around Dover and Folkestone and were delighted. I tried it on my usual hills in the district around…

scan0253 Providing feedback and criticism on a vehicle's performance in response to a set of questions.
View original record 1.CJ 2.Hs 3. TS/file X8770 To - B.J. from Cx. SECRET Cx1/CM16.12.24. E. A. C. II. Handwritten: Hs seen Stamp: RECEIVED 17 DEC 1924 Concerning the attached thirteen questions, I only received these…

scan0254 Test drive report detailing car performance on hills and comparing features with other models.
View original record -2- (11) I noticed that the petrol level indicator on this Car is of the type as fitted to the 20-H.P. Chassis. I hope it is not intended to standardise this type of gauge with the 40/50-H.P. as I…

scan0255 Page mentioning riding on a 40/50-HP Chassis.
View original record -3- riding on an exceptionally good 40/50-H.P. Chassis. Memo Attached. Cx. fuvl

scan0256 Secret list of questions for feedback on the E.A.C.II vehicle trial.
View original record SECRET. To. O. Cx. H. Sg. E.A.C.II. BJ requests that you will give specific answers to the following questions after you have tried E.A.C.II. (1) Do you consider the present ignition control…

scan0257 Performance and criticism report on a car fitted with a 15/52 ratio axle, noting issues with the clutch, gear lever, and vibrations.
View original record [Handwritten top left] 1 CJ 2 Hs 3 Js pr [Typed and circled] S E C R E T. [Handwritten] B.J. [Typed] E.A.C.II. [Handwritten top right] X8770 [Stamped] J S RECEIVED [Typed] CWB2/LH16.12.24.…

scan0258 List of answers and criticisms regarding a vehicle's features and performance, page 2.
View original record -2- It is possible to get a slight hum from the Servo gear and there is rather a bad 'clatter' as the foot brake pedal is released; the latter, no doubt, is a question of adjustment, and in the…

scan0259 Response to a question with feedback on the design of a control head and steering wheel rim, including a diagram.
View original record -3- Question No. 13. Yes, with the exception of the Klaxon push. The general design of both as regards materkal and form is quite different to the remainder of control head. The push button should be…

scan0260 Questionnaire seeking feedback on the design and functionality of the E.A.C.11 vehicle.
View original record SECRET. To. C. Cx. H. Sg. E.A.C.11. CHB1/LH16.12.24. BJ requests that you will give specific answers to the following questions after you have tried E.A.C.11. (1) Do you consider the present ignition…

scan0261 Test drive feedback on the E.A.C. car, including a conversation with Mr. Royce and suggestions for improvements.
View original record To Hs. from BJ. BJ11/H16.12.24. (8770) SECRET. E.A.C. C.J. and CWB. tried the E.A.C. car around Dover and Folkestone and were delighted. I tried it on my usual hills in the district around Gerrards…

scan0262 From B.J. to Hs. regarding the standardisation and testing arrangements for a 'V' series car.
View original record X8770 To Hs. from BJ. SECRET. Copies to wor. By. Re 93-NK. BJ13/H16.12.24. With reference to Hs4/LG12.12.24, we have now tried this car and have found it satisfactory for standardising for "V" series.…

scan0263 Steering column length being too short, causing discomfort for tall drivers.
View original record HCT 2 Ns seen J 48770 3/1 for file B.J. (Secret) Cxl/LR/17. 12. 24. Re: EAC-2. There is one additional point which I would like to mention concerning the above, which I briefly referred to in my…

scan0264 Squeaking brakes and clutch difficulty on the E.A.C. car.
View original record [Handwritten: x8770] SECRET. To Hs. from BJ. BJ14/H17.12.24. E.A.C. Two more points for consideration concerning the E.A.C. are:- (1) that the brakes have been squeaking for the last two days; (2)…

scan0265 Road test report and feedback on Chassis No. 93.NK, responding to a questionnaire.
View original record X8770 2 Hs 3 JS file Sg17/BM/17.12.24. Re: Chassis No. 93.NK. I tried this again yesterday, but owing to condition of the roads and short space of time available for three people to try the Car, was…

scan0266 Report comparing car performance with a lower geared axle, focusing on smoothness and vibration, with a handwritten note.
View original record - 2 - What, perhaps, is the most important point, does not appear to be touched on in this questionnaire - i.e. the general silence, smoothness, absence of vibration. From the limited trial and period…

scan0267 Satisfactory test run of a car, noting its 'silkiness', 'pick up', and hill-climbing performance.
View original record Handwritten: (1) Des (2) HS (3) JSfoyle 17/12/24 X8770 COPY. BJ from LHS. I had a very satisfactory run in the 'Car' this morning at slow speeds because of the fog. The impression I gained was that of…

scan0268 Secret internal memorandum detailing the differences between the 'V' series chassis and the 93-NK model.
View original record 48770 To B.J. from Hs. c. to WOB. c. to BY. S E C R E T. Hs1/LG17.12.24. 93-NK. Referring to BJ13/H16.12.24. The following parts will be different on 'V' series compared with 93-NK. 1. Radiator,…

scan0269 Progress of building and testing a 'V' series chassis, including a potential delivery date.
View original record contd :- -2- BY. is in constant touch with W.W. and is satisfied that everything possible is being done by them. In the meantime however we are building up a car and fixing to it temporary pieces…

scan0270 Secret memo listing the differences between the 'V' series and 93-NK models, and discussing production modifications.
View original record To BJ. from Hs. c. to WoB. c. to BY. S E C R E T. 48770 Hs1/LG17.12.24. 93-NK. Referring to BJ13/H16.12.24. The following parts will be different on 'V' series compared with 93-NK. 1. Radiator, bonnet…

scan0271 Progress update on the build and testing of a 'V' series car, contrasting it with a 93-NK chassis.
View original record contd :- -2- BY. is in constant touch with W.W. and is satisfied that everything possible is being done by them. In the meantime however we are building up a car and fixing to it temporary pieces…

scan0272 Brief typed memo concerning the status and return of a car.
View original record SECRET. S/W. 48770 93 N.K. -------- CWB3/LH17.12.24. Your Hsl/LH15.12.24 to hand, and there are at present no serious complaints regarding this car. Subject to nothing further arising you may expect…

scan0273 Responding to criticisms and discussing a structure for future modifications on the EAC car.
View original record R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8770 REF: HS1/L.G.18.12.24. To CJ. ) To BJ. ) FROM HS. E. A. C. S E C R E T. We will endeavour to reply to the criticisms made…

scan0274 Engine running, switch design, component accessibility, and steering performance.
View original record R.R. 493A (50M) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF:Hs1/LG18.12.24. condition more even and slower running can be obtained on battery ignition only, because of the timing…

scan0275 Observations on car components and models like the 93-NK and various series.
View original record -3- EXPERIMENTAL REPORT. Expl. No. REF Hsl/LG18.12.24. The worm is also case-hardened. We consider that wear on the steering nut and worm will be practically eliminated on this car. (4) It is equal to…

scan0276 Faults and proposed modifications for various car components.
View original record R.R. 493A (50n) (D.B. 175 25-9-24) J.H.D. -4- EXPERIMENTAL REPORT. Expl. No. REF: Hs1/LG18.12.24. With reference to CWB2/LH16.12.24. Clutch jagger. We hope that this fault will be overcome. It is…

scan0277 Car components including the oil filler cap, seating, indicators, and steering wheel.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -5- EXPERIMENTAL REPORT. Expl. No. REF: Hs1/LG18.12.24. Oil filler cap. The oil filler cap on the EAC. is the same cap that is used on the 20 HP. It has the…

scan0278 Feedback and proposed improvements on magneto switches, steering, vibrations, controls, seating, brakes, and clutch.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -6- EXPERIMENTAL REPORT. Expl. No. REF:Hs1/LG18.12.24. With reference to Cx (1) Evidently Cx. had not had the Magneto switch pointed out to him on that car.…

scan0279 Testing, alterations, and standardisation for the 93-NK and 'V' series cars.
View original record SECRET. Y8770 To Hs. from BJ. Copies to Wor. By. Re 93-NK. Thank you for Hsl/LG17.12.24. There are certain parts on 93-NK which will be retained in "V" series. We do not wish alterations to be made in…

scan0280 Replying to criticisms on the 93-NK car and requesting a structured list of criticisms for the EAC car.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 48770 REF: Hsl/LG18.12.24. To C.J. } To B.J. } FROM HS. E. A. C. S E C R E T. We will endeavour to reply to the criticisms made…

scan0281 Comparing engine, ignition, and steering characteristics of a vehicle.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF Hsl/LG18.12.24. condition more even and slower running can be obtained on battery ignition only, because of the timing…

scan0282 Modifications and comparisons of vehicle components like steering, controls, and levers.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -3- EXPERIMENTAL REPORT. Exptl. No. REF Hsl/LG18.12.34. The worm is also case-hardened. We consider that wear on the steering nut and worm will be practically…

scan0283 Faults and improvements regarding the clutch, gear lever, and vibrations.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -4- EXPERIMENTAL REPORT. Expl. No. REF: Hs1/LG18.12.24. With reference to CWB2/LH16.12.24. Clutch jagger. We hope that this fault will be overcome. It is…

scan0284 Various car components including the oil filler cap, seating, petrol indicator, Klaxon switch, and steering wheel.
View original record R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. -5- EXPERIMENTAL REPORT. Expl. No. REF: Hsl/LG 8.12.24. Oil filler cap. The oil filler cap on the EAC. is the same cap that is used on the 20 HP. It has the…

scan0285 Responding to various points on magneto switches, steering, vibrations, controls, seating, brakes, and clutch across different car series.
View original record R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. -6- EXPERIMENTAL REPORT. Expl. No. REF:Hs1/LG18.12.24. With reference to Cx (1) Evidently Cx. had not had the Magneto switch pointed out to him on that car.…

scan0286 Bumping tests for the EAC 'W' series.
View original record R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. 48770 EXPERIMENTAL REPORT. COPIES TO: RCJ BJ WOR By E Da EP RG Expl. No. 48772 XF770 REF. Hs4/LG18.12.24. OBJECT OF TEST. TESTER. Bumping tests on EAC. 'W'…

scan0287 Bump test of the EAC.11 chassis.
View original record R.R. 493a (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hm/CP/LG17.12.24. BUMP TEST OF EAC.11. CHASSIS. SPECIFICATION OF CHASSIS. FRAME. EAC.11. short wheelbase. Fitted with…

scan0288 Failures and test results for vehicle components including the radiator, steering gear, and springs.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF: Hs/CP/LC17.12.24. Radiator. No signs of leakage. Shutters rattling rather badly, otherwise radiator O.K. No signs of…

scan0289 Summary table and diagram detailing leaf spring failures.
View original record SUMMARY OF SPRING FAILURES. REF. N.o | PIECE N.o | POSITION OF SPRING. | POSITION OF LEAF. | $ POSITION OF FRACTURE | * COMP. | REBOUND | RUNNING TIME | THICKNESS OF LEAF. | BRINELL AT FRACTURE --- |…

scan0290 Illustration of a fractured off-side front engine support from an E.A.CII chassis bump test.
View original record BUMP TEST OF E.A.CII CHASSIS. CRACK OFF-SIDE FRONT ENGINE SUPPORT (E71430) FRACTURED AS SHEWN, AFTER 146 HRS. 10 MINS. 17-12-24.

scan0291 Replying to 13 points with feedback on a car's ignition controls, steering, and instrument board layout.
View original record SECRET As from B.T. To H. from B.T. (Handwritten Notes: Hs, X8770, op/fwd/to) H1/TB/19.12.24 Re:- EAC-2. Replying to the 13 points contained in CWB1/LH/16.12.24, please note:- (1) I think the ignition…

scan0292 Criticisms and suggestions for improvement on a car's design and performance.
View original record -2- (7) The exhaust is fairly good when standing still, and I thought quite good when travelling, though this was a closed car in which one would not expect to hear much. (8) I understand from the…

scan0293 Secret memo discussing the cold weather performance and testing of the EAC car.
View original record To CJ. from Hs. SECRET. X8770 Hs2/LG19.12.24. X8280 With reference to CJ1/E18.12.24. The EAC. car in its present state is equal to the 40/50 HP. for starting and behaviour in really cold weather. We…

scan0294 Requesting particulars on the petrol consumption of the E.A.C. and referencing a returned memorandum.
View original record To Hs. from BJ. X8770 SECRET. BJ11/H19.12.24. E.A.C. Please let me know any particulars you have with regard to the petrol consumption of the E.A.C., so far as we have tested it. I have made notes in…

scan0295 Responding to sales criticisms of the EAC car, proposing a framework for modifications.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. Copy to CWB. H. G. PN. C. S§ EXPERIMENTAL REPORT. Expl. No. REF: Hs1/LG18.12.24. To CJ. FROM HS. To B.I. (crossed out) E. A. C. S E C R E T. Handwritten note:…

scan0296 Comparing a new engine and steering design against the 40/50 HP model, with handwritten notes.
View original record R.R. 493A (50B) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF: Hsl/LG18.12.24. condition more even and slower running can be obtained on battery ignition only, because of the timing…

scan0297 Modifications and comparisons of various car components and series.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. REF: Hsl/LG18.12.24. The worm is also case-hardened. We consider that wear on the steering nut and worm will be practically…

scan0298 Vehicle faults including clutch jag, pedal pressure, stiff gear lever, and vibrations.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -4- EXPERIMENTAL REPORT. Exptl. No. REF Hs1/LG18.12.24. With reference to CWB2/LH16.12.24. Clutch Jaggar. We hope that this fault will be overcome. It is…

scan0299 Component updates for new car models, including oil filler cap, seating, and controls.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -5- EXPERIMENTAL REPORT. Exptl. No. REF: Hsl/LG18.12.24. Oil filler cap. The oil filler cap on the EAC. is the same cap that is used on the 20 HP. It has the…

scan0300 Issues and improvements for various car series, including steering, controls, and brakes.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -6- EXPERIMENTAL REPORT. Expl. No. REF: HS1/LG18.12.24. [Handwritten]: send copy to Cx With reference to Cx (1) Evidently Cx. had not had the Magneto switch…

scan0301 EAC 'V' Series engine's oil relay ignition control failure and recommendation for an alternative system.
View original record R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8770 REF: Hs2/LG22.12.24. To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to EY. Wor. X8770 S E C R E T.…

scan0302 Strict secrecy and handling procedures for the key to a car's bonnet.
View original record x8770 CJ15/E21.1.24. I have received the key of the bonnet of Car No. 46 PK...... I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet…

scan0303 Instructions regarding the strict confidentiality and handling of the key for car number 9.3.NK.
View original record 48770 CJ15/E21.1.24. I have received the key of the bonnet of Car No....9.3.NK I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet in…

scan0304 Undertaking and instructions regarding the secrecy and security protocols for the key and bonnet of a specific car.
View original record 48770 CJ15/E21.1.24. I have received the key of the bonnet of Car No. 46.PK...... I have read CJ's memorandum of the 21st. Jan. and realise that under no circumstances whatever must I open the bonnet…

scan0305 'Hs.' to Mr. Lidsey requesting a report on the efficiency, reliability, and improvements for the EAC.ll 'V' series.
View original record X8770 Mr. Lidsey from Hs. Hs/LG30.12.24. EAC. 'V' series. Will you please report on the efficiency and reliability and suggested improvements of the following units on EAC.ll. 'V' series. We also…

scan0306 Secret memo about the 'V' series chassis, recommending a visit to Derby for discussion.
View original record 48770 S E C R E T. To E. ) To DA. } FROM HS. c. to CJ. Wor. BY. Hs7/LG30.12.24. 'V' SERIES CHASSIS. We have prepared a 'V' series chassis as far as our instructions go. We are receiving other…

scan0307 Request for a report and specification on the efficiency, reliability, and improvements for units on the EAC.11 'V' series.
View original record 48770 Mr. Lovesey. from Hs. Hs/LG30.12.24. EAC. 'V' SERIES. Will you please report on the efficiency and reliability and suggested improvements of the following units on EAC.11. 'V' series. We also…

scan0308 Request for a report on the efficiency, improvements, and specifications for units on the EAC.11 'V' series.
View original record 48770 To Rn. from Hs. Hs/LG30.12.24. EAC. 'V' SERIES. Will you please report on the efficiency and reliability and suggested improvements of the following units on EAC.11. 'V' series. We also require…

scan0309 Issues with steering position and driver vision on a converted 'V' series car.
View original record 48770 To DA. ) To E. ) FROM HS. c. to CJ. BY. Wor. S E C R E T. Hs9/LG31.12.24. EAC. 'V' SERIES. 48430 Steering positions. The first 'V' series car which we have fitted up was an existing 40/50 car…

scan0310 Chassis improvement studies for future cars regarding exhaust, overheating, springs, and steering.
View original record To E. & DA. from R. To AJS. c. to HS. BY. X8770 R6/M15.4.25. FUTURE CAR WORK. 766 X.8770 8430 X.5770 8230 X.8410 Please contradict if incorrect. When you get time please make studies for chassis…

scan0311 Urgent production and trial of chassis for the E.A.C. project.
View original record 18720 To Hs. - from Wor. " Mx. - " " " EP. - " " " Sft.- " " c. to Br. SECRET. Wor6/M20/4/25. E.A.C. ----- Mr.Cowen, as you are probably aware, was down to discuss ways and means of getting some…

scan0312 Urgent requirements for a Paris Trials car and a new chassis for Second Provincial Trials.
View original record -2- Wor6/M20/4/25. (5) Paris Trials car No.9.AU, - Sales have telegraphed Paris to send this over, so that we may change the engine of this etc. (6) Second Provincial Trials, - a new chassis to be…

scan0313 Future chassis design with an engine-attached gearbox and the potential need for a fabric coupling or rubber damper.
View original record 48770 To E. DA. AJS. } FROM R. S E C R E T. R6/M20.4.25. c. to CJ. BJ. RG. HS. E. A. C. FURTHER WORK. X.8770 X.8305 X.8310 I understand that our best chassis will be the one with the gearbox attached…

scan0314 Listing the delivery order for 20 chassis, divided into five batches of four.
View original record X8770 Wor12/H22.4.25. sfm. c Es. c By. c Hives c Wormald c Max. re E. A. C. With reference to memos Wor6/H20.4.25 and Wor12/H21.4.25, as requested we give you below in order of urgency the numbers of…

scan0315 Secret internal memorandum regarding 'V' Series modifications and their impact on production.
View original record Secret. X8770 BY11/H. 24.3.35. Mr. C. Hs. "V" SERIES MODIFICATIONS. Referring to the arrangement arrived at at the Conference of March 12th. at Derby, and to CJA/E.23:3:35, we confirm that the Shutter…

scan0316 Proposed modifications for pistons, controls, pedals, and exhaust fittings, including a 'Calorizing' treatment.
View original record - 2 - 2. Pistons. ---------- The modification has been asked for and agreed to. 3. Controls. ---------- Being submitted under the present heading. In addition to the foregoing, there are two other…

scan0317 Piston modifications, car testing, design changes criticized by Mr. Royce, and resulting delays to a conference schedule.
View original record - 3 - the Experimental Dept. may find some few points which it would be advantageous to modify. Any such points which occur, however, will be raised after the car in question has been examined. It is…

scan0318 From Hs to Paris regarding the delivery schedule for car 98-NK.
View original record HK - Paris. from Hs. X8770 Hs3/LG27.4.25. 98-NK CAR. At the moment we cannot tell you the exact date that 98-NK will be coming over. The only thing that we can promise is that we will let you know at…

scan0319 Confirming a trip to Derby for the final passing of the Trials Cars.
View original record X.8770 PN7/DN27.4.25. TO WOR. c. to Hs, HM & EF. from PN I am coming to Derby, accompanied by CWB, on Wednesday, the 29th inst., and shall be available the first thing on the following morning in…

scan0320 Visit to West Wittering for vehicle testing and discussion of technical issues.
View original record 48770 To CJ. from Hs. Hs2/LG29.4.25. VISIT TO WEST WITTERING. X1698 During my visit to WW. last week, I took to R. an EAC. 'V' series open touring car which was practically identical to the first…

scan0321 Secret report on the status of a 10,000-mile test car after fitting new parts.
View original record x8770 To C.J. from Hs. S E C R E T. Hs3/LG29.4.25. REPORTS ON 10,000 MILES TEST CARS. +8940 We have instructed our people at Chateauroux to send an extra copy of the daily report which we will forward…

scan0322 Authorising the despatch of car 9-PK, which was delayed due to noisy engine gears.
View original record To DA/EV. from Hs. X 8720 Hs1/LC30.4.25. 9-PK CAR. With reference to the above car. We handed this car over to the Repair Dept. after we had made the alterations, for them to despatch because they had…

Copyright Sustain, All Rights Reserved.    whatever is rightly done, however humble, is noble