Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Requesting alterations to the Sports Phantom crankchamber specifications. | ||
| View original record | FROM E. C. to HS. ORIGINAL E1/M1.10.27. X8010 SPORTS PHANTOM - CRANKCHAMBER. Would you kindly arrange to make the general thickness of the new crankchamber .225 instead of our present standard for… | ||
| Scan002 | Proposal for narrower wire wheels for the Phantom, involving the modification of artillery wheel hubs. | ||
| View original record | BY. FROM DA. C. to HS. ORIGINAL DA1/M1.10.27. X421 X8810 X4586 X3580 NARROWER WIRE WHEELS - PHANTOM. Herewith we send N. sch. 2477. shewing a proposal for reducing the width of the standard wire… | ||
| Scan003 | Design and manufacturing of suspension springs, referencing Mr. Olley's notes and a proposal to use Firth's for production. | ||
| View original record | [Typed Top Left] HS/RM. FROM D.A. [Handwritten Top Left] Hs noted By [Stamp Center] ORIGINAL [Handwritten Center] X3900 Y8410 Y4429 [Handwritten Top Right] nothing attached [Handwritten Top Right]… | ||
| Scan004 | Machining operations for a Sports Phantom 'Y' alloy piston. | ||
| View original record | EX. FROM E. C. to RI. HS. ORIGINAL SPORTS PHANTOM - X4004 PISTON IN 'Y' ALLOY. X8040 We send herewith LeC. 2467. shewing the above drop forged piston. You will see on the drawing where we intend to… | ||
| Scan005 | Sending drawing Lec. 2468 concerning the Phantom Sports oil pump and drive. | ||
| View original record | FROM E. C. to HS. PHANTOM SPORTS. OIL PUMP AND DRIVE. x8160 x8165 Herewith we send you drawing Lec. 2468., shewing the above. E. | ||
| Scan006 | List of proposed modifications for the Phantom Sports model after a 10,000-mile test in France. | ||
| View original record | - BY. HS. } FROM R. C. to BJ. WOR ORIGINAL PHANTOM - SPORTS AND NEXT 10,000 MILES IN FRANCE. V4663 V8774 V8940L Nearly all the modifications detailed below are intended to become standard as soon as… | ||
| Scan007 | List of proposed modifications categorized as 'Highly Desirable' and 'Non-Controversial'. | ||
| View original record | (2) (v) Petrol tank (filler, distant reading gauge, reserve control, shortened sump, flattened fish tail.) (w) Step-irons for toolbox. (x) Dipping lamps with brackets for new Lucas lamps. (y) Body… | ||
| Scan008 | List of desirable improvements and technical notes for a vehicle, page 3. | ||
| View original record | (3) (c) Ignition wiring improved. (d) Magnesium alloy valve gear cover. (c) Front axle - shorter rubber buffers, no packing under springs. (d) Framed instruments. (4) DESIRABLE. Not so very necessary… | ||
| Scan009 | Battery charge reduction, weight saving, and a proposed automatic cut-off system. | ||
| View original record | EFC.) FROM R G. to Dj. WCH. BY. E.L. ORIGINAL BATTERY - AUTO: CHARGE REDUCING. Mr. Minchin thinks that for many of our 40/50 open cars we could use a smaller battery - i.e. the 20HP., saving 45 lbs.… | ||
| Scan010 | Suggestion to use bakelite for a switchbox. | ||
| View original record | BY.) FROM R. HS.) C. to BJ. WOR. ORIGINAL R3/M6.10.27. SWITCHBOX. X8730 Replying to your BY8/J41027., re. suggestion of bakelite for the above, we should consider this if makingextensive alterations,… | ||
| Scan011 | Suggestion to supply the spare wheel carrier and luggage grid as a complete unit. | ||
| View original record | HS. FROM R. C. to DJ. BY. DA. ORIGINAL SPARE WHEEL CARRIER. X8600 X8400 Referring to your HS/RM1/LG41027., I suggest we always supply complete spare wheel carrier and luggage grid, included in chassis… | ||
| Scan012 | Replacing a suggestion for a duralumin rear axle brake bracket with using an entire EAC rear brake. | ||
| View original record | (Crossed out: BY.) FROM R. (Crossed out: HS.) C. (Crossed out: to BJ. WOR.) ORIGINAL R2/M6.10.27. re. MAKING REAR AXLE BRAKE BRACKET IN DURALUMIN. (Handwritten: X8420, below is X8350 which is crossed… | ||
| Scan013 | Reminder requesting detailed comparative weights for the EAC. 7 and 40/50 back axles. | ||
| View original record | HS. FROM DA. ORIGINAL DA7/M8.10.27. REAR AXLE WEIGHTS. X7350 X8840 This is to remind you of our verbal request that you would supply us with comparative weights of the EAC. 7. and 40/50 back axles. We… | ||
| Scan014 | Phone message confirmation regarding changes to a sports car build due to a broken crank-chamber. | ||
| View original record | ORIGINAL CONFIRMATION OF 'PHONE MESSAGE FROM R. TO HS. HS. FROM R. X8774 X8010 X8030 R3/M8.10.27. SINCE THE CONFERENCE WITH YOU IN LONDON THE SITUATION HAS CHANGED OWING TO THE BROKEN CRANK-CHAMBER,… | ||
| Scan015 | Confirmation of despatch for a model Enots lubrication system to Benton & Stone Ltd. | ||
| View original record | HS. FROM DA. ORIGINAL DA5/M8.10.27. X4900 X3800. In accordance with your telegram we have despatched to Benton & Stone Ltd. the model Enots lubrication system., by passenger train. DA. DICKINSON BOND | ||
| Scan016 | Modifications to the Sports Phantom wheelcase and gears. | ||
| View original record | FROM E. C. to HS. ORIGINAL E1/M8.10.27. SPORTS PHANTOM - WHEELCASE AND GEARS. X8170 X8000 We send herewith LeC. 2470. dealing with the above. This drawing shews a plain bearing carrier wheel which is… | ||
| Scan017 | Drawing LeC. 2471 for the Sports Phantom oil strainer and crankchamber. | ||
| View original record | DI. (struck through) FROM E. C. to DI. (struck through) HS. ORIGINAL (stamp) E2/M8.10.27. X8200 (handwritten, struck through) X8010 (handwritten, struck through) X. 8190 (handwritten) SPORTS PHANTOM… | ||
| Scan018 | Proposal for narrower wire wheels for the 20HP chassis, detailing alterations to the hub design. | ||
| View original record | DY. FROM DA C. to HS. 20HP. WIRE WHEELS. X3580 X4586 X5810 We send herewith N. sch. 2478. shewing the proposed narrower wire wheels for use on the 20HP. chassis. It will be seen that we propose that… | ||
| Scan019 | Proposals for lightening the propeller shaft and testing new thrust bearings on the Phantom model. | ||
| View original record | ST. FROM DA. C. to ST. HS. RECEIVED ORIGINAL OCT 1927 PHANTOM SPORTS. X8774 X8340 X4415 We send herewith N. sch. 2474. shewing some proposals for lightening the propeller shaft and thrust bearing on… | ||
| Scan020 | Revisions to the rear brake gear for the Phantom Sports model, referencing schematic 2472. | ||
| View original record | FROM DA. C. to HS. ORIGINAL RECEIVED DA3/M8.10.27. PHANTOM SPORTS. X8360 X7360 Herewith we send N. sch. 2472. shewing the revised rear brake gear for the above car on the lines of the EAC. 7. brakes.… | ||
| Scan021 | Improvements and testing plans for the Sports Phantom and the next 10,000 miles car. | ||
| View original record | HS.) FROM R. C. to BJ. ORIGINAL x8350 x8774 x8940b x8010 SPORTS PHANTOM, AND NEXT 10,000 MILES CAR. It is realised that if we intend to try out certain improvements for the above at any time, it will… | ||
| Scan022 | Modifications to the slipper flywheel for the Sports Phantom model. | ||
| View original record | FROM E. C. to HS. ORIGINAL SPORTS PHANTOM - SLIPPER FLYWHEEL. X8300 / X634 We send herewith drawing LeC. 2472. shewing the modification to the above reducing its diameter. We have added as much metal… | ||
| Scan023 | Design challenges and commercial considerations of a rear spare wheel carrier versus a combined carrier and luggage grid. | ||
| View original record | ORIGINAL FROM R. C. to HS. REAR SPARE WHEEL CARRIER. X8600 X8400 Replying to your BJ12/E101027, the difficulty that some of the customers object to the luggage grid alters the case, and we will… | ||
| Scan024 | Modifications to the Sports Phantom's oil level indicator and lower half crankcase. | ||
| View original record | BY: FROM E. E. to Div HS. ORIGINAL E1/M11.10.27. RECEIVED OCT 1927 SPORTS PHANTOM OIL LEVEL INDICATOR AND LOWER HALF CRANKCASE. X8000 X8200 We send you herewith LeC. 2473. shewing the above. This… | ||
| Scan025 | Considerations for fitting larger batteries for theatre and parking use, with suggestions on lighting and charging systems. | ||
| View original record | (HS.) FROM R. EFC.) C. to RI. WOR Opy CWS. SG. ORIGINAL R1/M11.10.27. 2 X8780 X4617 re. BATTERIES. I understand bigger batteries are being fitted to R-R cars for theatre work, and parking. Two or… | ||
| Scan026 | Proposed modifications to the rear axle centre casing and differential cage. | ||
| View original record | FROM DA. C. to HS. DA1/M12.10.27. 43807 X7350 K515 EAC.14. BACK AXLE. Herewith we send N, sch. 2481. shewing the proposed modification to the inside of the rear axle centre casing. Since the adoption… | ||
| Scan027 | Features for the first car of the Sports Phantom series. | ||
| View original record | to [REDACTED] from Da/Ev. copy to (Hs). [REDACTED] SECRET E.A.C. RE SPORTS PHANTOM. Handwritten notes in top right: X8774 X8470 X8430 X8500 X4555 We send herewith N.Sch2484. shewing the following… | ||
| Scan028 | Modification to the rear spring centre trunnion bolt for brake rope clearance. | ||
| View original record | DY. FROM DA. ORIGINAL DA1/M13.10.27. C. to BJ. HS. EAC. 14. REAR SPRING CENTRE TRUNNION. X8410 X8420 Herewith we send N. sch. 2479. shewing the slight modification to the bolt through the centre of… | ||
| Scan029 | Change in the tilt angle for the Sports Phantom magneto bracket. | ||
| View original record | DY. FROM E. C. to BJ. HS. ORIGINAL SPORTS PHANTOM X8100 MAGNETO BRACKET. We send you herewith LeC. 2474., magneto bracket for sports Phantom. Will you please note that the magneto is tilted 12°… | ||
| Scan030 | Requesting feedback on a modified 20HP spare wheel carrier for the Phantom rear wheel carrier design. | ||
| View original record | HS. FROM DA/EV. ORIGINAL DA/EV1/M13.10.27. re. SPARE WHEEL CARRIERS X8600 X5600 Some little while ago we asked you to try a 20HP. wheel carrier, either side or rear, having the hexagon of the fixing… | ||
| Scan031 | Adaptation of centralised lubrication for the rear axle, along with modifications for shock and squeak dampers. | ||
| View original record | ~~BY.~~ FROM DA. ORIGINAL DA2/M13.10.27. C. to ~~BJ.~~ HS. EAC. 14. REAR AXLE. X8350 ~~X8520~~ X4612 Herewith we send N. sch. 2480. shewing the adaptation of centralised lubrication to the modified… | ||
| Scan032 | Modification to the oil gallery pipe for the Sports Phantom crankchamber. | ||
| View original record | FROM E. C. to HS. SPORTS PHANTOM CRANKCHAMBER. X8000 There is one point in connection with the above which we have omitted to mention, that is, the oil gallery pipe is being modified to suit the new… | ||
| Scan033 | Planned improvements and modifications for a sports car. | ||
| View original record | HS. } FROM R. RY. } ORIGINAL R1/M17.10.27. X8774 X8940 X8000 SPORTS CAR AND NEXT 10,000 MILES IN FRANCE. CODED It is agreed to make present chassis with all improvements except those dependent on the… | ||
| Scan034 | Purchase of competitor vehicles for trial and analysis. | ||
| View original record | HS.) FROM R. [Struck through illegible text] ORIGINAL R2/M17.10.27. [Handwritten numbers] X4048 Y435 X4336 X8531 X407 PURCHASE OF A CAR OF OUTSIDE MANUFACTURE. What car ought we to get for a trial run… | ||
| Scan035 | Method for clipping a pipe for the centralised chassis lubrication system to the front springs. | ||
| View original record | FROM DA. C. to HS. DA2/M18.10.27. CENTRALISED CHASSIS LUBRICATION. Y3806 We send herewith N. scheme 2486. shewing the clip for the pipe running along the front springs. On the general arrangements we… | ||
| Scan036 | Modified design for a Sports Phantom Piston. | ||
| View original record | ORIGINAL FROM E. C. to HS. SPORTS PHANTOM PISTON. X6040 E1/M18.10.27. We send you herewith drawing LeC. 2476., shewing the above modified to suit existing crankchamber and cylinder dimensions. The… | ||
| Scan037 | The design of a solid torque tube, specifically its diameter and thickness. | ||
| View original record | -BY. FROM DA. C. to HS. EAC.14. TORQUE TUBE. X8350 Herewith we send N. scheme 2485., shewing the solid torque tube. The increase of diameter in the centre of the torque tube is just where the present… | ||
| Scan038 | Suggestion to test an improved horizontal S.U. carburetter on the 20HP model. | ||
| View original record | HS. FROM R. ORIGINAL. R3/M19.10.27. CARBURETTERS. V1487 Many people are using the improved horizontal S.U. It would be an easy matter to try one on our 20HP. R. DICKINSON BOND 1804 | ||
| Scan039 | Issues with a sample Watford clock, including starting problems and intermittent stopping. | ||
| View original record | HS. FROM R. ~~C. to Mr. NORTH.~~ ~~C. to SG.~~ ORIGINAL R2/M19.10.27. WATFORD CLOCK. x 4662 ~ I received the sample clock sent to me direct from Watford. It would not start because the hair spring was… | ||
| Scan040 | Requesting an updated chassis print for a Sports Phantom with a list of special features. | ||
| View original record | BY: FROM DA/EV. Copy to - HS. re. SPORTS PHANTOM - EAC. 14. [Handwritten:] X8774 [over a crossed-out X8830, over a crossed-out X4663] ORIGINAL [Stamp] DA/EV1/19.10.27. We have placed an order for a… | ||
| Scan041 | Continuation of a letter listing components and discussing the branding of the chassis. | ||
| View original record | (2) (1) Dipping lamps, brackets, and controls. (2) Toolbox carriers. (3) Aft front wing stay. (4) Rear wheel, tank filler, gauge, and control to two level device. As we are telling various stories as… | ||
| Scan042 | Modifications to the Sports Phantom crankchamber for the sports chassis. | ||
| View original record | FROM E. C. to HS. ORIGINAL E1/M19.10.27. SPORTS PHANTOM CRANKCHAMBER. X8000 Referring to the modification to the existing crankchamber to enable the first of the sports chassis to be built up with the… | ||
| Scan043 | Chassis modifications for the Sports Phantom model. | ||
| View original record | HS. FROM R. [Struck through text] ORIGINAL SPORTS PHANTOM. X8774 X8250 X8500 X8830 It is understood that the chassis for this will have the slight modifications that were fitted to EAC. 8., which were… | ||
| Scan044 | Benefits of mounting car bodies on four points with rubber seatings to reduce vibrations and road shocks. | ||
| View original record | HS. FROM R. c.c. to D.S. ORIGINAL R8/M20.10.27. BODY MOUNTING. X8830 X8774 X634 X8380 I think I can detect that the bodies we have mounted on an underframe, and supported on four points with rubber… | ||
| Scan045 | New scheme for dipping headlamps, including wiring, support, and potential patenting. | ||
| View original record | HS. FROM R. ORIGINAL R10/M20.10.27. e. to DJ. BY. C. SG. Mr. CLAREMONT. re. DIPPING HEADLAMPS. X4555 / X1357 We believe we have now a very practical scheme of support and wiring for our system of… | ||
| Scan046 | Delays in standardizing battery ignition tungsten points. | ||
| View original record | FROM R. EFC.) C: [REDACTED] ORIGINAL 2 R2/M20.10.27. BATTERY IGNITION - TUNGSTEN POINTS. X2894 X.8692 I do not know whether these have yet been made standard, and I cannot understand why we have not… | ||
| Scan047 | Issues with a noisy sequence starter gear and suggesting alternative manufacturing processes. | ||
| View original record | 1 HS. FROM R. (HS is struck through) C. to - ES. (ES is struck through) " " EFC. ORIGINAL SEQUENCE STARTER. R4/M20.10.27. X76553 We understand you are waiting for further drawings of this from WW.,… | ||
| Scan048 | Design of the Phantom spare wheel carrier at the rear. | ||
| View original record | FROM R. C. to HS. (Additional text includes struck-through 'BJ' and 'WCM.') PHANTOM SPARE WHEEL CARRIER AT REAR (WITHOUT LUGGAGE GRID.) (Handwritten: X8600 (struck-through), X5600) (Stamped: ORIGINAL)… | ||
| Scan049 | Proposing future car model developments, including upgrades for the 20HP and a new 40/120HP. | ||
| View original record | HS. FROM R. ORIGINAL R1/M21.10.27. [strikethrough]Copy to BJ. WOR. BY.[/strikethrough] INDIA 3. [strikethrough]X8940E[/strikethrough] X8770 [strikethrough]X5770E[/strikethrough] X5770✓ We ought to try… | ||
| Scan050 | Sending a drawing for Sports Phantom valve springs. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL. E1/M22.10.27. SPORTS PHANTOM VALVE SPRINGS. X290 / x8060 We send herewith drawing LeC. 2479., shewing the double valve springs for use with the final sports… | ||
| Scan051 | Design and supply of a new rear wheel carrier for the Phantom model. | ||
| View original record | BY. FROM DA. C. to HS. PHANTOM REAR WHEEL CARRIER. X8600 X8400 With reference to the question of supplying the rear wheel carrier as standard, and doing so when no luggage grid is required, R. has… | ||
| Scan052 | Friction on the steering column and improving the geometry for the 20HP model. | ||
| View original record | HS/RM. FROM DA. DA3/M22.10.27. ORIGINAL. 20HP. STEERING. X3430 Replying to HS/RM3/LG141027., R. does not approve of the friction on the steering column, but since there is a car down here with… | ||
| Scan053 | Improved clutch design adapted for a new crankcase and discussing related components. | ||
| View original record | FROM DA. C. to HS. DA6/M22.10.27. EAC.14. CLUTCH. X8301 Herewith we send N. sch. 2489. shewing the improved clutch adapted to the engine with a new crankcase. It is intended ultimately that a unit… | ||
| Scan054 | Correspondence regarding the procurement of two sets of improved dipping headlamps from Messrs Lucas & Co. Ltd. | ||
| View original record | BY. FROM DA. C. to HS. ORIGINAL DA5/M22.10.27. EAC.14. DIPPING HEADLAMPS. X4555 / X1357 We send herewith N. sch. 2490. shewing the large Lucas headlamp mounted for dipping. Particulars of the control… | ||
| Scan055 | Modifications to the India S. crankshaft for the final Sports Phantom model. | ||
| View original record | BY. FROM E. C. to BJ, WOR, HS. E2/M22.10.27. INDIA S. CRANKSHAFT. X5010 In reply to your memo. BY8/G171027., we send you herewith LeC. 2480. giving remaining information for the above. We stopped some… | ||
| Scan056 | New single downtake pipe, exhaust system, and a new slipper flywheel. | ||
| View original record | FROM E. C. to H.S. ORIGINAL X8774 X8230 X8070 EAC. 14. E1/M24.10.27. Referring to your memo. BY14/G191027., the only item that calls for special comment seems to be No.6. - New single downtake pipe… | ||
| Scan057 | Letter discussing the principles of lubrication, comparing the merits of different oils and greases, and methods of application. | ||
| View original record | ORIGINAL Copy to - WOR (struck through) HS. HH. (struck through) "ELMSTEAD" WEST WITTERING. CHICHESTER. Messrs Bentley & Coley at Royce Ltd. MANCHESTER. 24th. Oct. 1927. X3806 Dear Mr. Bentley, Coley,… | ||
| Scan058 | Lubrication methods for crane work and other slow-moving car parts, signed by F. H. Royce. | ||
| View original record | (2) Naturally crane work has to be lubricated with an oil can, but to prolong the feed and to prevent dirt entering I prefer to use a wick lubricator in important places: this has always given… | ||
| Scan059 | The lightening of a flywheel section for a clutch. | ||
| View original record | BY. FROM DA. C. to BY. HS. EAC.14. CLUTCH. X8300 With reference to N. scheme 2489., the flywheel section shewn has rather more energy than the lightened type which you are now fitting. In order to… | ||
| Scan060 | Scheme for dowelling the cylinder blocks on the sports chassis engine. | ||
| View original record | FROM E. C. to P.J. HS. EAC. 14. X8050 E2/M24.10.27. We send you herewith LeC. 2481., shewing the scheme for dowelling the cylinder blocks on the sports chassis engine. The rear cylinder block should… | ||
| Scan061 | Drawing for wheel arch clearance on the Phantom sports chassis. | ||
| View original record | FROM DA/EV. DA/EV1/25.10.27. HS. ORIGINAL EAC. 14. X 8774 X 8810 We send herewith a drawing shewing the wheel arch clearance for the Phantom sports chassis. The distance between the wheel arch is… | ||
| Scan062 | The installation of framed instruments in trial cars for propaganda purposes. | ||
| View original record | HS. FROM DA/EV. ORIGINAL DA/EV1/M27.10.27. C to BY C re. FRAMED INSTRUMENTS. X8530 Thank you for HS1/LG241027. We think that one or two of the sets of framed instruments which you are making should be… | ||
| Scan063 | Principle of drip plug selection for the centralised chassis lubrication system. | ||
| View original record | ORIGINAL BY FROM DA. C. to - HS. CENTRALISED CHASSIS LUBRICATION DA1/M27.10.27. X3806 With reference to OY's letters - OY3-R-10827., and OY3-R10627., and the new recommendation for drip plugs, the… | ||
| Scan064 | Colour scheme, modifications, and pre-delivery inspection of car 14-EX. | ||
| View original record | ORIGINAL HS. FROM DA/EV. DA/EV3/M27.10.27. X8992 X8830 X4613 re. CAR FOR Le CANADEL. We note that you have fixed up with R. concerning the grey and black colour scheme for 14-EX., and presume you will… | ||
| Scan065 | New schedule for a rear wheel carrier and potential manufacturing materials. | ||
| View original record | ORIGINAL B.M. FROM DA. C. to B.J. HS EAC.14. REAR WHEEL CARRIER. X8600 Herewith we send N. sch. 2492. shewing the spare wheel carrier for the above. The frame has not been altered, but it will be… | ||
| Scan066 | Simplifying modifications to the Phantom engine to avoid delays in lowering the chassis. | ||
| View original record | ORIGINAL BY. [struck through] FROM R. R1/M28.10.27. C. to WGR. [struck through] HS. HY. [struck through] re. PHANTOM ENGINE. X8770 [handwritten, struck through] X8000 [handwritten, struck through] We… | ||
| Scan067 | Dispatch of document LeC. 2478, detailing a vacuum pump for petrol feed and wheel-case. | ||
| View original record | BY: FROM E. C. to RJ. HS. ORIGINAL E1/M28.10.27. EAC. 14. X8510 X8170 We send you herewith LeC. 2478., shewing the vacuum pump for the petrol feed and wheel-case details. E. | ||
| Scan068 | Sending schematics for dipping headlamps and informing Messrs Lucas of a slight alteration to the ball end fitting. | ||
| View original record | BX. FROM DA. C. to BJ. HS. ORIGINAL DA2/M29.10.27. EAC.14. DIPPING HEAD LAMPS. XC4555 / X1357 Herewith we send N. schs. 2495/6. shewing the control for the dipping headlamps. It will be noticed that… | ||
| Scan069 | Provisional British patent suggestions for two different carburetter designs. | ||
| View original record | BY. FROM R. C. to DL. HS. ORIGINAL. R1/M29.10.27. NEW PROVISIONAL PATENTS. BRITISH. CARBURETTERS. X8082 Y728 E. suggests that an expanding carburetter of any type could be coupled to the centrifugal… | ||
| Scan070 | Modifications to a petrol tank, friction shock damper, and exhaust pipe. | ||
| View original record | BY FROM DA. C. to BJ HS. EAC.14. PETROL TANK ETC. ORIGINAL DA1/M29.10.27. X8470 X4038 Herewith we send N. sch. 2497. Shewing the modifications to the petrol tank, such as the filler brought outside… | ||
| Scan071 | Confidential memo on chassis problems regarding acceleration for passing and potential engine improvements. | ||
| View original record | ORIGINAL CONFIDENTIAL FROM R. C. to H.S. R3/M31.10.27. X 523 X5050 X1725 X8420 CHASSIS PROBLEMS. ACCELERATION FOR PASSING. There is an increasing demand for more rapid acceleration, but which cannot… | ||
| Scan072 | Comparing the tyre removal characteristics of Michelin and Dunlop wheels. | ||
| View original record | HS. FROM E. ORIGINAL E1/M31.10.27. RECEIVED Nov 1 1927 re. MICHELIN & DUNLOP WHEELS. X987 X4050 X3725 Y3482 We take it that the Michelin wheel has an eccentric depression which allows the tyre to be… | ||
| Scan073 | Modifications to the brake lever, rear spring, and instruments for the first two Sports Cars. | ||
| View original record | to BY from Da/Ev. copy to (Hs) ORIGINAL EV3/31.10.27. Hs E.A.C. 14. X8774 X8530 X8410 Whilst making the detailed drawing of the coachwork for the first two Sports Cars, we came across the following… | ||
| Scan074 | Suggestions for the car for Le Canadel and dealing with 14-EX. | ||
| View original record | HS. FROM R. ORIGINAL R2/M1.11.27. re. CAR FOR Le CANADEL. X8992 I agree to the suggestions contained in your HS2/LG181027., for dealing with 14-EX. R. | ||
| Scan075 | Design change note regarding the spare wheel, making a sheet aluminium cover redundant. | ||
| View original record | ORIGINAL BY: FROM DA/EV. DA/EV4/M4. 11.27. Copy to - HS. X 8600 X 8380 EAC.14. SPARE WHEEL. We have so designed the body that we no longer need the sheet aluminium cover on the top of the frame… | ||
| Scan076 | Design for a rear number plate and tail lamp for a sports car. | ||
| View original record | (BY.) FROM DA/EV. HS.) C. to HN. re. EAC. 14. REAR NUMBER PLATE. ORIGINAL DA/EV3/M4.11.27. X 4152 X 1357 X 8800 We have sent Messrs Jarvis & Son Ltd., Barker & Co. Ltd., and Hooper & Co. Ltd., a… | ||
| Scan077 | Axle weights, universal joints, and other chassis components. | ||
| View original record | HS. FROM DA. ORIGINAL. DA4/M4.11.27. X8840 X7350 EAC.7. AXLE WEIGHTS. With reference to HS/RM2/LG21127., we expect that we shall discuss the whole of this question with R. in the course of the next… | ||
| Scan078 | Drawing for the rear light and numberplate of a Sports car, and a request for lamp-holders. | ||
| View original record | to BE from EV. copy to HS ORIGINAL RE E.A.C. 14. X8774 / X1357 We send herewith N.Sch.2498, shewing the rear light and numberplate of the Sports car. As we have already sent the coachbuilders their… | ||
| Scan079 | Standardising scrubbing tungsten points and a new spring system for the battery ignition contact maker. | ||
| View original record | HS. ) FROM R. EFC. ) C. to BJ. BY. RR. BATTERY IGNITION. ORIGINAL R1/M8.11.27. X8692 X8690 At the first possible moment we want you to standardise the scrubbing tungsten points, and the new system of… | ||
| Scan080 | Drawing LeC. 2483, detailing modifications to the crankchamber, oil relief unit and gallery pipe. | ||
| View original record | ORIGINAL FROM E. C. to HS EAC.14. OIL RELIEF UNIT AND GALLERY PIPE. We send herewith drawing LeC. 2483. shewing the oil relief unit, gallery pipe, and connections to main bearings, also giving revised… | ||
| Scan081 | Abandoning a friction scheme in the steering column and proceeding with new experiments. | ||
| View original record | ORIGINAL HS. FROM R. R2/M9.11.27. Copy to Dr. RETURN SPRING IN STEERING COLUMN. X8430 Referring to HS/RM6/LG71127, I agree to abandon this, and the friction on the column, but in getting out the… | ||
| Scan082 | Use and heat treatment of Molybdenum Steel for valve springs. | ||
| View original record | ORIGINAL Cy. FROM R. C. to - R.I. " RG. " HS. R1/M10.11.27. MOLYBDENUM STEEL. X2993 (X458) RG. has brought me Armstrong-Whitworth's pamphlet on the above. Would it make better valve springs or con.… | ||
| Scan083 | Locating the drive for the revolution counter on the dynamo shaft. | ||
| View original record | HS/RM. FROM DA/EV. ORIGINAL DA/EV3/M11.11.27. re. REV. COUNTER. X912 [crossed out] X8170 EAC. 14. We have mentioned this to E.,and he is bearing the matter in mind when dealing with the wheel-case of… | ||
| Scan084 | 20HP case for Mr. Geoffrey Smith, committing to an outline after the Sports car work is complete. | ||
| View original record | -e. FROM DA/EV. DA/EV2/M11.11.27. Copy to - HS. ORIGINAL Mr. GEOFFREY SMITH. X5770 X4118 We have on several occasions mentioned the case of the 20HP. for Mr. Geoffrey Smith to R., and he has asked us… | ||
| Scan085 | Car springing specifications, axle penetration limits, and target body weight. | ||
| View original record | HS/RM. FROM DA. ORIGINAL DA1/M11.11.27 Copy to [strikethrough] BY. EAC.14. SPRINGING. X 8410 X8830 X 5840 With reference to HS/RM2/LG31127., we do not think we can allow the axle to penetrate further… | ||
| Scan086 | The process for joining a Sports Phantom oil gallery pipe, favouring sweating over brazing. | ||
| View original record | FROM E. C. to HS. ORIGINAL EAC.10. SPORTS PHANTOM. X.8190 OIL GALLERY PIPE. We send herewith drawing LeC. 2484. shewing the above. We are asking for this pipe to be sweated, not brazed, to avoid the… | ||
| Scan087 | Responding to three raised points regarding a torque reaction damper rod and countershaft mounting. | ||
| View original record | ORIGINAL (stamp) BY. (crossed out) FROM DA. Copy to - HS. EAC.14. DIPPING HEAD LAMPS. DA1/M16.11.27. V4555 (handwritten) With reference to BY3/G111127., we see that you raise three points which seem… | ||
| Scan088 | Proposing an alternative mechanical linkage design using a countershaft and cantilever fixing, with a sketch. | ||
| View original record | (2) we might introduce a countershaft about half way, and do the stepping aside on this countershaft. The fixing on the engine foot would then be a simple bell crank lever, and the direction of the… | ||
| Scan089 | Design modifications to the Sports Phantom main bearing caps, requesting original drawings or models. | ||
| View original record | DY. FROM E. C. to BJ. HS. E2/M16.11.27. ORIGINAL EAC.10. SPORTS PHANTOM. MAIN BEARING CAPS. X8000 X We send herewith LeC. 2486 shewing the above. Compared with the steel caps we are using at present… | ||
| Scan090 | The engine suspension design for the Sports Phantom model, including mounting and detachment procedures. | ||
| View original record | ORIGINAL FROM E. C. to HS. EAC.10. SPORTS PHANTOM. ENGINE SUSPENSION. E1/M16.11.27. X8005 X8000 We send herewith drawing LeC. 2485. shewing the above. The engine is suspended both fore and aft on… | ||
| Scan091 | Phantom oil relief valve, instructing to avoid alterations until EAC. 10 is standardised. | ||
| View original record | FROM E. C. to HS. ORIGINAL E1/M19.11.27. PHANTOM OIL RELIEF VALVE. X.8205 Y7205 In reply to memo. BY10/K111127., would you please note that R. wishes us to avoid any alterations in respect to this… | ||
| Scan092 | Standardisation of sheet steel wing stays for mounting headlamps. | ||
| View original record | FROM DA/EV. C. to H. DY. HS. ORIGINAL re. SHEET STEEL WING STAYS. Handwritten numbers: X8390 / Y1357 / X4555 X5390 We have been trying for over a year to get these in a condition fit for… | ||
| Scan093 | List of features to be incorporated into a Production Phantom chassis for a 10,000 miles test in France. | ||
| View original record | HS. FROM R. ORIGINAL R3/M21.11.27. C. to BJ. WOR. BY. E. DA. PRODUCTION PHANTOM - 10,000 MILES TEST IN FRANCE. Handwritten: 18940b, x8770, x4663 Referring to your HS3/LG141127, the following is a list… | ||
| Scan094 | Page 2 of a numbered list detailing vehicle modifications and improvements. | ||
| View original record | (2) (20) Packing removed from beneath front springs. (21) Cast dash. (22) New bonnet with improved lock. (23) Petrol tank sump modified to give more ground clearance. (24) Modified swan neck exhaust… | ||
| Scan095 | List of 20 features and modifications to be incorporated into the 'India 3' chassis for a 10,000-mile test in France. | ||
| View original record | HS. FROM R. C. to BJ. WCR. (Struck through) BY. E. (Struck through) DA. ORIGINAL (Stamped) R4/M21.11.27. INDIA 3. - 10,000 MILES TEST IN FRANCE. Y5940e (Handwritten) Y5770 (Handwritten, Struck… | ||
| Scan096 | Numbered list of engine component specifications and updates, page 2. | ||
| View original record | (2) (21) Piston pins of valve spring steel tempered about 400 Brinell, Secured by spring wires. (22) Valve springs of latest type LeC. 2440. (23) Camshaft with longer duration inlet cam to a degree… | ||
| Scan097 | Application of a new rubber rear engine suspension system for EAC.14. | ||
| View original record | BY. FROM E. C. to HS. ORIGINAL E2/M22.11.27. EAC.14. ENGINE SUSPENSION AT REAR. X8005 We send herewith LeC. 2487. for applying the new system of rubber suspension to EAC. 14. We propose to retain the… | ||
| Scan098 | Specifications for features to be incorporated into the Production Phantom and Sports Chassis following a 10,000-mile test. | ||
| View original record | HS. FROM R. C. to BJ. WOR. BY. E. DA. ORIGINAL R5/M22.11.27. X8940L X8774 X4663 PRODUCTION PHANTOM - 10,000 MILES TEST IN FRANCE The following features, to be incorporated in the above chassis, should… | ||
| Scan099 | Piston design and trials for Phantom and Sports Car models. | ||
| View original record | HS.) FROM R. HS-D) C. to BJ. WOR E. ORIGINAL R2/M23.11.27. X8040 X4004 X8940h PISTONS - PHANTOM 10,000 MILES, AND SPORTS CARS. (1) The 'Y' metal pistons which have turned out too flexible I fear… | ||
| Scan100 | Requesting a design modification for the placement of wiring connectors for headlamps and wing lamps. | ||
| View original record | DY. FROM DA. C. to - HS. EAC. 14. WIRING OF LAMPS. X8560 DA4/M23.11.27. Further to our DA3/M171127, we adopted the system using Lucas connectors on the front end of the frame to enable the wing to be… | ||
| Scan101 | Concluding that Molybdenum steel is a safer choice for high-duty components like springs due to its advantages and lack of brittleness. | ||
| View original record | FROM R. C. to - ED. " MOR. " HS. MOLYBDENUM STEEL. X1474 Many thanks for your two letters re. high duty steels. We are very keen on Stanton figures when getting at best steel for con. rods, valve… | ||
| Scan102 | Design and sourcing of worm gears for a new servo drive, comparing potential manufacturers and gear tooth profiles. | ||
| View original record | BY.) FROM R. HS.) C.C. TO BJ. WOR. - DAY/HDY. ORIGINAL R5/M24.11.27. EAC.10. INTEGRAL GEARBOX X7310 SERVO WORM DRIVE. X7370 X2061 Mr. Bentley of Royce Ltd. has given me the following name as having… | ||
| Scan103 | Requesting the construction of a half-size model of an 'X' shaped frame cross member for torsional stiffness testing. | ||
| View original record | BY. FROM DA. O. to EH. HS. ORIGINAL DA3/M25.11.27. EAC.10. FRAME CROSS MEMBERS. X 7380 X 8380 Herewith we send N. schs. 2512. and 2513., shewing the 'X' shaped 4th. cross member in the EAC. 10. frame.… | ||
| Scan104 | New schemes for the gearbox and clutch casing, noting modifications required and changes to the servo position. | ||
| View original record | BY. FROM DA. C. to RI. HS. ORIGINAL DA4/M25.11.27 X7000 X7310 X7300 EAC. 10. GEARBOX. We send herewith the following N. schemes shew-ing the above gearbox and clutch casing - N. scheme 2448. " 2450. "… | ||
| Scan105 | Revisions to the crankshaft and connecting rods for models EAC 10 and 14. | ||
| View original record | ~~BY.~~ FROM E. C. to HS. EAC.10. & 14. CRANKSHAFT AND CON. RODS. X8010 ~~X8030~~ X7010 ~~X8000~~ X7030 We send you herewith LeC. 2488. shewing the revised crankshaft and con. rods for EAC. 10. and… | ||
| Scan106 | Confirming the dispatch of drawings for 'Y' metal pistons for EAC. 10 and 14. | ||
| View original record | BY. FROM E. (BY is struck through) C. to BJ. HS. (BJ is struck through) EAC. 10. & 14. - 'Y' METAL PISTONS. We send you herewith drawings LeCs. 2490. and 2492.. dealing with 'Y' metal pistons for EAC.… | ||
| Scan107 | Improvements to battery ignition systems, specifically tungsten contacts, distributor materials, and porcelain ignition plugs. | ||
| View original record | HS EFC. } FROM R. BY. } C. to BJ. WOR ORIGINAL BATTERY IGNITION & PLUGS. R3/M28.11.27. 3 X 8692 X 4841 X8690 Scrubbing tungsten contacts to LeC. 2460. are we believe now standard, with the improved… | ||
| Scan108 | Design and material for a piston stiffener to prevent engine rattling. | ||
| View original record | FROM E. C. to HS. ORIGINAL STIFFENER FOR PISTON LeC. 2476. Y8040 We send you herewith LeC. 2493. shewing the above. This stiffener should enable you to alter the set of pistons made to LeC. 2476. and… | ||
| Scan109 | Series of proposed engine modifications for the Phantom model to increase power output. | ||
| View original record | HS. } FROM R. BY. } C. to BJ. WOR. C. PN. OWB. SG. PHANTOM - POWER DEVELOPMENT. Handwritten: X6830, X8771, X1725, X8774, X8060 For increased performance of acceleration, hills, and speed, we are… | ||
| Scan110 | The need to encourage lower, lighter, and less wide bodies on 20HP and 40/50 cars to improve performance. | ||
| View original record | HS. BY. (struck through) DA/EV. (struck through) } FROM R. c. to BJ. WOR. ORIGINAL R1/M28.11.27. X8830 X5830 (struck through) X8840 20HP. & 40/50 CARS BODIES HIGH, HEAVY, & WIDE. From time to time I… | ||
| Scan111 | Improvements to battery ignition systems and plugs, questioning the quality of English porcelain plugs compared to Champion's. | ||
| View original record | HS. } FROM R. C. to BJ. WOR. ORIGINAL R3/M28.11.27. X.8692 BATTERY IGNITION & PLUGS. Scrubbing tungsten contacts to LeC. 2460. are we believe now standard, with the improved spring (non… | ||
| Scan112 | Potential weight reduction on a 20HP chassis by modifying the flywheel, clutch, and engine head. | ||
| View original record | HS. FROM R. C. to - BJ. ORIGINAL R2/M28.11.27. 20HP. X5300 X4538 Will you try the effect of reducing the weight of the flywheel and clutch. This appears to be about the only part on this chassis which… | ||
| Scan113 | Use of diecast pistons for production Phantom chassis and 'Y' metal pistons for sports models. | ||
| View original record | BY. FROM E. (BY. is crossed out) C. to B.I. HS. (B.I. is crossed out) ORIGINAL EAC.10. & 14. DIECAST TYPE PISTONS. X7040 X8040 (crossed out) X9004 (crossed out) E1/M29.11.27. Herewith we send LeC.… | ||
| Scan114 | Provisional patent for a new carburetter design with a diagram. | ||
| View original record | BY. FROM E. C. to HS. BY/NW. ORIGINAL E1/M30.11.27. PROVISIONAL PATENTS - CARBURETTERS. X8080 X3933 X728 Referring to BY9/G221127., the specification No.222901. does not cover the suggested… | ||
| Scan115 | Alternative design for a cast aluminium piston with 'H' webs, including manufacturing suitability. | ||
| View original record | PY. FROM E. C. to HS. ORIGINAL E2/M30.11.27. EAC. 14. CAST ALUMINIUM PISTON WITH 'H' WEBS. X 8040 Herewith we send drawing LeC. 2495. shewing the above. This piston has been created as an alternative… | ||
| Scan116 | Speedometer drive gear ratio for the EAC.10 gearbox, comparing a sample Smith drive to the provided schematics. | ||
| View original record | HS. FROM DA. ORIGINAL DA7/M1.12.27. EAC.10. GEARBOX - SPEEDOMETER DRIVE. X7310 X4367 X4308 (X108) On the sample Smith double drive for a speedometer and screen wiper which has been sent to us we… | ||
| Scan117 | Pros and cons of implementing freewheels on cars. | ||
| View original record | FROM R. C. to HS. SG. T.N. G. FREEWHEELS ON CARS. X523 These seem to be attracting considerable attention. Personally I think they are a mistake. They are by no means a novelty, and have been used on… | ||
| Scan118 | Centralised chassis lubrication system, specifically for the front axle control damper and its drip plug. | ||
| View original record | BY. FROM DA. C. to - BI. HS. OY. ORIGINAL DA3/M1.12.27. CENTRALISED CHASSIS LUBRICATION. X3806 FRONT AXLE CONTROL DAMPER. X8420 X8380 With reference to BY/CGH1/G261127., enclosing LF.998., shewing the… | ||
| Scan119 | Approving the use of a 7.5' pendulum lever on car EAC. 7, detailing the resulting steering ratio and the intention to standardise it after testing. | ||
| View original record | HS. FROM DA. [Stamped] ORIGINAL DA6/M1.12.27. EAC. 7. STEERING. [Handwritten and struck through] X7430 With reference to the length of the pendulum lever, and the resulting steering ratio on EAC. 7.,… | ||
| Scan120 | Casting in aluminium and bronze, focusing on strong and light alloys for components like crankchambers. | ||
| View original record | HS. ) | ||
| Scan121 | Suitability and testing of Bosch magnetos for 6-cylinder and 20HP models. | ||
| View original record | EFC. FROM R. [Struck through] C. to BJ. [Struck through] RY [Struck through] HS. ORIGINAL R6/M2.12.27. BOSCH MAGNETOS. X 4568 l Regarding the 6 cyl. magneto suitable for our cars, we have looked over… | ||
| Scan122 | Rejection of a dipping headlamp scheme in favour of a heavier, less handy alternative from Barker's. | ||
| View original record | FROM R. C. to HS. DA. ORIGINAL DIPPING HEADLIGHTS. X4555 In reply to your BJ24/E11227., I am sorry to hear that we cannot make use of the dipping head lamp scheme which has been working on my car -… | ||
| Scan123 | Suitability and testing of Bosch magnetos for 6-cylinder and 20HP engines. | ||
| View original record | 2 EFC. FROM R. C. to BJ. BY. HS. ORIGINAL R6/M2.12.27. BOSCH MAGNETOS. X 4568 X15790 Regarding the 6 cyl. magneto suitable for our cars, we have looked over this and have come to the conclusion that… | ||
| Scan124 | Internal memorandum discussing the tendency for a sequence starter motor to jam and proposing design changes. | ||
| View original record | FROM R. C. to BJ. BY. SEQUENCE-STARTER. TENDENCY TO JAM. We do not know how much the teeth of the wheels of the latest starter have been rounded. E. and I have studied this question at some length,… | ||
| Scan125 | The design and advantages of a new magnetic switch and starter system compared to other systems. | ||
| View original record | (2) the designs of the main magnetic switch and the hold on switch of a much less costly pattern than the old one we have been using, and as it will only require a simple single press button to work… | ||
| Scan126 | Trial and patenting of an automatic charge control switch. | ||
| View original record | HS (struck through) } FROM R. EFC. } C. to RI. WOR. (struck through) BY (struck through) ORIGINAL. R3/M2.12.27. AUTO: CHARGE CONTROL SWITCH. XL4008 A specimen of this should be fitted to each of the… | ||
| Scan127 | Schemes for an 'X' shaped cross member for the 20HP car and related modifications. | ||
| View original record | BY. FROM DA. C. to BS. HS. ORIGINAL DA1/M3.12.27. X5840C X5380 X5420 INDIA 3. - FRAME. We send herewith N. schemes 2518/9. shewing the 'X' shaped 4th. cross member for the next 10,000 miles 20HP.,… | ||
| Scan128 | Requirement for car bodies for 10,000-mile tests on 20HP and 40/50 chassis. | ||
| View original record | HS. FROM DA/EV ORIGINAL DA/EV2/M3.12.27. X8830 Y5380 Y5830 X8380 re. BODIES. Thank you for your HS/RM1/LG11227. We note you require a body for a 10,000 mile test on the 20HP., and 40/50. The latter… | ||
| Scan129 | Aluminium bronze for metal mould gravity castings. | ||
| View original record | WOR. FROM R. R3/M5.12.27. C. to RG. DY. HS. HE. re. CASTING IN ALUMINIUM BRONZE. V3032 X1476 Many thanks for your WOR1/T31227. We specify aluminium bronze as the strongest bronze, and the only one… | ||
| Scan130 | From 'R' regarding a preference for a valve steel design from DES. 749. | ||
| View original record | TO. FROM R. C. to BJ. WOP. [strikethrough] By: HS. VALVE STEELS. Handwritten: X1688 / X2993 / X290 Handwritten: Y1474 / Y4587 Regarding DES. 749. sent with your RG6/LW21227., E. and I prefer fig. 4.… | ||
| Scan131 | Unfinished scheme dealing with the further development of a Phantom direct drive starter motor with push engagement. | ||
| View original record | DY. FROM E. C. to BJ. " " HS. " " EFC. ORIGINAL PHANTOM - DIRECT DRIVE STARTER MOTOR - PUSH ENGAGEMENT. XJ x7625B We send you herewith LeC. 2496. This is an unfinished scheme dealing with the further… | ||
| Scan132 | Arrangement of the front brake differential and clutch operating shaft, and related design modifications. | ||
| View original record | ~~BY.~~ FROM DA. C. to ~~BJ~~ HS. ORIGINAL DA2/M7.12.27. EAC.10. GEARBOX ETC. X7310 XT420 Herewith we send N. sch. 2521. shewing the clutch pit. This shews the arrangement of the front brake… | ||
| Scan133 | Cracked 'Y' metal pistons and the potential alteration of stiffener designs. | ||
| View original record | FROM E. C. to HS. re. 'Y' METAL PISTONS. X4004 Since it is understood that the experimental 'Y' metal pistons to drawing LeC. 2476. are cracked and unusable, this will cancel experimental stiffener… | ||
| Scan134 | Decision not to add vanes to the umbrella rotor for the battery ignition system. | ||
| View original record | EFC. FROM E. C. to BJ. HS. [text struck through] E1/M8.12.27. ~ 2 X8690 X4041 ORIGINAL [Stamp] re. UMBRELLA ROTOR. BATTERY IGNITION. R. has decided not to make any attempt to add vanes to the umbrella… | ||
| Scan135 | Querying the purpose of a second small filler on the EAC.7 gearbox. | ||
| View original record | BY. FROM DA. C. to S. (struck through) HS. ORIGINAL DA3/M9.12.27. EAC.10. GEARBOX. X7310 (struck through) X7190 Herewith we send N. sch. 2523., - Filler for. the gearbox. Hs RECEIVED It will be… | ||
| Scan136 | Pros and cons of different lubricating oils, including compound vs mineral and paraffin vs asphaltum bases. | ||
| View original record | HS. FROM R. C. to DJ. HS. BY. HL. LUBRICATING OILS. X588 X967 X544 You will remember that I have always been in favour of oils rather than more or less stiff grease, the reason being that the grease… | ||
| Scan137 | Query about the properties of liquid paraffin as a potential special lubricator for magnetos. | ||
| View original record | (2) Bosch magnetos, and of some other people. We may find it advisable to fit some form of special lubricator in which pure paraffin-vaseline can be used. There is an interesting substance called… | ||
| Scan138 | The development of battery ignition, discussing contacts, distributors, coil design, and alternative systems. | ||
| View original record | EFC. FROM R. C. to BJ. BT. HS. ORIGINAL BATTERY IGNITION. x8692 x8690 x8710 x46324 Although the minor improvements after the scrubbing contacts are not of very great importance, they would appear to… | ||
| Scan139 | Alternative methods for lubricating a piston pin and little end bush, proposing drilling holes for experimental sets. | ||
| View original record | BY. FROM E. C. to BJ. HS. LeC. 2494. - PISTON. ORIGINAL E1/M9.12.27. X8040 Y7040 In reply to your memo. BY8/G71227., the method of lubrication of the piston pin is that oil is supplied by the drilling… | ||
| Scan140 | Modifications to the 20HP crankshaft and connecting rod. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL E1/M10.12.27. X5010 (handwritten, crossed out) X5030 (handwritten, crossed out) X5000 (handwritten, crossed out) 20HP. CRANKSHAFT & CON. ROD. We send you herewith… | ||
| Scan141 | Modifications to a cross web piston design, specifically web weight and piston pin lubrication. | ||
| View original record | ~~BY.~~ FROM E. C. to ~~BJ.~~ HS. ORIGINAL E1/M13.12.27. ~~X8040 / X7040~~ EAC.10. & 14. CROSS WEB PISTON. Referring to drawing LeC. 2494., Mr. Royce fears to start off with the webs as heavy as… | ||
| Scan142 | The rear spring front anchorage for the 'India 3' model, referencing a new forging. | ||
| View original record | BY. FROM DA. C. to BJ. HS. ORIGINAL DA1/M14.12.27. INDIA 3. - REAR SPRING FRONT ANCHORAGE. X5380 X5410 We send herewith N. sch. 2524. shewing the rear spring front anchorage combined with the 'X'… | ||
| Scan143 | Provision of a countershaft for dipping head light control, including modifications to the bell crank and engine foot. | ||
| View original record | BY. FROM DA. ORIGINAL DA2/M14.12.27. C. to HS. EAC.14. DIPPING HEAD LIGHTS. X4555 With reference to the question of providing a countershaft for the dipping head light control with the rubber engine… | ||
| Scan144 | Blueprint of the first rough drawing for a new chassis carburetter. | ||
| View original record | HS. FROM E. Copy to BJ. NEW CHASSIS CARBURETTER. X8080 We send you herewith a blueprint of the first rough drawing we have made of the above. E. | ||
| Scan145 | Sending drawings LeCs. 2491 & 2497 for an oil sump filter and oil level indicator, requesting they be checked for alterations. | ||
| View original record | DY. FROM E. C. to B.I. HS. EAC.10. OIL SUMP FILTER, AND OIL LEVEL INDICATOR. ORIGINAL E8/M17.12.27. X 7190 F 7200 We send herewith LeCs. 2491. & 2497. dealing with the above. Further drawings will… | ||
| Scan146 | The dispatch of schematics for an India 3 model brake linkage layout. | ||
| View original record | FROM DA. C. to HS. ORIGINAL DA3/M20.12.27. INDIA 3. BRAKE LINKAGE. Y5420 / Y5380 Herewith we send N. sch. 2526. - full sized layout of the brake linkage with the tubular cross member. We have… | ||
| Scan147 | Dynamo drive options, suggesting the serrated drive as a temporary solution due to time constraints. | ||
| View original record | [STAMP: ORIGINAL] -E- (crossed out) BY. (crossed out) HS. FROM R. (At Le Canadel.) R5/M21.1.28. REC'D. & DESPATCHED FROM WW. 24.1.28. [Handwritten: X8100] re. DYNAMO DRIVE - LeC. 2501. Owing to… | ||
| Scan148 | List of drawings and their status for the EAC.10 engine. | ||
| View original record | BY. FROM E. ORIGINAL E1/M21.12.27. C. to BJ. R. HS. EAC. 10. ENGINE. X4663 X7770 The following list is intended to give an exact idea of what information finally applies to EAC.10. of the new drawings… | ||
| Scan149 | List of drawing numbers with titles and remarks on their status or necessary modifications. | ||
| View original record | (2) Drg. No. | TITLE. | REMARKS. LeC.2471. | Oil filter. | Cancelled. " 2472. | Slipper flywheel mods. | OK. " 2473. | Oil level indicator. | All information on this scrapped except small detail of… | ||
| Scan150 | List of drawings and remarks concerning pistons, starter motors, and oil level indicators. | ||
| View original record | (3) Drg. No. | TITLE. | REMARKS. --- LeC.2494. | Piston - single cross web. | OK. except for mods. shewn on LeC. 2499. " 2495. | Piston - double cross web. | Reserve piston " 2497. | Oil level… | ||
| Scan151 | The schematics, supply, and fitting of step brackets and running boards for a sports chassis. | ||
| View original record | [strikethrough: BY.)] FROM DA/EV. [strikethrough: HS.)] [Handwritten above stamp:] Hs [Stamp:] RECEIVED JAN 2 re. STEP BRACKETS AND RUNNINGBOARD. [Handwritten:] X7390 X7380 We send herewith N. schs.… | ||
| Scan152 | Design and die-casting of a cross web piston for the 20HP model, including a sketch. | ||
| View original record | FROM E. C. to Mr HS. E1/M22.12.27. ORIGINAL INDIA PISTON. X 50 40 We send you herewith LeC. 2500. shewing the cross web piston for use in connection with the latest 20HP. developments. Owing to the… | ||
| Scan153 | Drawings for a gearbox pedal arrangement, specifically the stop for the clutch pedal. | ||
| View original record | BY. FROM DA. ORIGINAL DA1/M23.12.27. C. to BJ. HS. EAC.10. GEARBOX. X7310 PEDAL ARRANGEMENT. X.7470 Herewith we send N. schs. 2449. & 2531., shewing the arrangement of the clutch and brake pedals… | ||
| Scan154 | Design improvements for the Phantom chassis to enhance ride quality and handling. | ||
| View original record | HS. ) FROM R. BY. ) (At Le Canadel.) DA/EV. ) C. to BJ. WOR. LHS. OY. OWB. SG. PN. B. [STAMPED: ORIGINAL] R2/M23.12.27. [STAMPED: RECEIVED & DESPATCHED FROM WW. 29.12.27.] PRESENT PHANTOMS - RIDING… | ||
| Scan155 | Design of a sequence starter, including the proportions, teeth engagement, and helical angles. | ||
| View original record | EFC.) FROM R. HS. ) (At Le Canadel.) C. to BJ. WOR. BY. E. ORIGINAL R1/M23.12.27. RECEIVED & DESPATCHED FROM WW. 29.12.27. EAC.10. SEQUENCE STARTER. This is very nearly right now, but requires some… | ||
| Scan156 | Brief general specification of the E.A.C. 10 engine and its differences from the present Phantom. | ||
| View original record | HS. FROM E. ORIGINAL E1/M28.12.27. C. to BJ. R. DA. E.A.C. 10. X7770 X4663 C BRIEF GENERAL SPECIFICATION OF ENGINE. In response to your memo. HS2/LG211227., the following is a brief specification of… | ||
| Scan157 | Issues with a dummy Alpine Sports Chassis and plans for modifications and a second dummy. | ||
| View original record | HS. FROM DA/EV. Copy to BY re. DUMMY OF ALPINE SPORTS CHASSIS. X7770 X7380 X7500 X7390 We have got this dummy at Hooper's and have not found it of any real use to us because it has not got a cast… | ||
| Scan158 | Design requirements for a press button switch for a sequence starter's simplified scheme. | ||
| View original record | EFC. FROM R. (At Le Canadel.) C. to BJ. WOR. E: ORIGINAL R1/M29.12.27. REC'D AND DESPATCHED FROM WW. 2. 1. 28. SEQUENCE STARTER. SIMPLIFIED SCHEME. X7655B RECEIVED Since we are interlocking the "main… | ||
| Scan159 | Engine detonation, pre-ignition and misfire issues when using French petrol. | ||
| View original record | HS.) FROM R. ~~E.~~) (At Le Canadel.) C. to BJ. WOR. R4/M29.12.27. REC'D & DESPATCHED FROM WW. 2. 1. 28. E. A. C. 7. ALUM: ENGINE, TURBULENT HIGH COMPRESSION 5 TO 1, RUBBER SUSPENSION. [Handwritten:]… | ||
| Scan160 | Performance of Silchrome valve steel and proposing further testing. | ||
| View original record | FROM R. (At Le Canadel.) Copy to -- WOR. [STAMP: ORIGINAL] R2/M29.12.27. REC'D & DESPATCHED FROM WW. 2. 1. 28. Handwritten: Y4005 Y4634 Y4587 [STAMP: RECEIVED] VALVE STEEL (SILCHROME). ALL ENGINES.… | ||
| Scan161 | Brief general specification of the EAC.10 chassis, detailing its development and improvements. | ||
| View original record | HS. FROM DA. Copy to [redacted] ORIGINAL DA1/M30.12.27 E. A. C. 10. x7770 [crossed out] x4663. C In reply to HS2/LG211227., the following is a brief general specification of the chassis: EAC.10. is a… | ||
| Scan162 | Promising new chrome-nickel-tungsten valve steel for extended trials. | ||
| View original record | [Strikethrough: BY.] FROM R. (At Le Canadel.) Copy to [Strikethrough: MS.] " HS. " [Strikethrough: F] R3/M31.12.27. REC'D & DESPATCHED FROM WW. 6. 1. 28. Handwritten: X4111 Handwritten: (L-58) re.… | ||
| Scan163 | Road test report and evaluation of vehicle E.A.C. 7, detailing engine misfires, performance, and recommendations for improvements. | ||
| View original record | HS.) FROM R. & DODD. (At Le Canadel.) ORIGINAL STRICTLY SECRET E.A.C. 7. Y7430 R1/M31.12.27. REC'D & DESPATCHED FROM WW. 6. 1.28. Regarding misfires, these have been cured on the magneto by a fresh… | ||
| Scan164 | Alternative arrangement for the INDIA3 brake mechanism and its pros and cons. | ||
| View original record | BY. FROM DA. C. to BJ. HS. ORIGINAL DA1/M31.12.27. X5380 X5420 INDIA3. BRAKE MECHANISM. We send herewith N. schs. 2532. & 2533., which shew an alternative arrangement for the carrier levers, having… | ||
| Scan165 | Parts and stock management for the transition to the EAC.10 Super Sports Model. | ||
| View original record | STRICTLY SECRET. R2/M31.12.27. REC'D & DESPATCHED FROM WW. 6.1. 28. FROM R. HS.) (At Le Canadel.) [Stamp: ORIGINAL] [Struck-through text: C. to WOR. BY. DA. E.] [Handwritten: Y7770] EAC.10. SUPER… | ||