Rolls-Royce Archives
| Identifier | Entry | ||
| 1 | Description of the control circuits for a Super Sports Sequence Starter from 1928. | ||
| View original record | EFC. HS. FROM R. By E. (At Le Canadel) S E C R E T. ORIGINAL R1/M9.1.28. C to BI, LHS, RG, PN. DA, CWB, C. SG Mr. CLAREMONT. EAC.10. SUPER SPORTS. SEQUENCE STARTER AS DESCRIBED IN 1928. X7625B X7655B… | ||
| 2 | Description of improvements to an electrical starter system, including a press button, taper armature motors, and a magnetic switch unit. | ||
| View original record | (2) Our latest improvements result in a combination which can be described, and diagrams provided, by EFC. They consist of: (1) A one way press button with silver & carbon contacts. EFC. says we have… | ||
| 3 | Design points and improvements for 40/50 water pumps. | ||
| View original record | RM. FROM E. ORIGINAL E1/M9.1.28. C. to BJ. 40/50 WATER PUMPS. X8190 Y4590 Thank you for your memo. HS/RM2/LG9128., with information from your files on the above subject. Regarding the points you raise… | ||
| 4 | Describing one way of arranging a pump, with a cross-sectional diagram. | ||
| View original record | (2) One way of arranging this pump is to mount the spindle of the rotor on two bearings, the outer one being lubricated by an external oil supply, and the inner one being in the oil of the drive,… | ||
| 5 | Proposed improvements and alterations for the EAC.7 model, including details on the radiator, engine suspension, and body. | ||
| View original record | HS.) FROM R. E. ) (At Le Canadel.) DA.) ORIGINAL R2/M9.1.28. C.c. to BJ. LHS. RG. PN. WOR. BY. G. BG. OWB. E.A.C.10. Handwritten notes: X7830 (crossed out) X7770 X7250 (crossed out) X7530 (crossed… | ||
| 6 | Report discussing performance issues and design improvements for various vehicle components, including the throttle, induction pipe, brakes, and body style. | ||
| View original record | (2) vibration, it is well worth the weight and cost involved if the scheme is taken advantage of. In the EAC.10, we ought to make a desperate attempt to return to water cooling of the throttle, even… | ||
| 7 | Arguing for grouped instruments to be supplied as an extra on Sports models for improved appearance and lighting. | ||
| View original record | B.J.) FROM R. HS.) (At Le Canadel.) ORIGINAL R3/M9.1.28. SPORTS - NOT SUPER SPORTS. X7530 I cannot understand why these cars cannot have our grouped instruments since it is proposed to supply these as… | ||
| 8 | Letter to Stothert & Pitt Ltd regarding a pump test and requesting a demonstration model. | ||
| View original record | COPY TO HS. ORIGINAL "ELMSTEAD". WEST WITTERING. CHICHESTER 10th. January 1928. Messrs Stothert & Pitt Ltd. BATH. Dear Sirs, We thank you for your letter of the 19th Dec. 1927., and accompanying… | ||
| 9 | Letter from Stothert & Pitt Ltd. regarding a misunderstanding over a small rotary displacement pump model. | ||
| View original record | STOTHERT & PITT. LTd ENGINEERS. LONDON OFFICE 38, VICTORIA ST., S.W. Telegrams: STOTHERT SOWEST LONDON. PHONE No 1849 VICTORIA, LONDON. REFERENCES: OURS: F.4706. YOURS: HEAD OFFICE & WORKS: BATH.… | ||
| 10 | Issues and potential improvements for 40/50 & 20HP crankshaft friction dampers. | ||
| View original record | HS.) FROM R. (At Le Canadel.) C to BJ. WOR. BY CY. R2/M11.1.28. REC'D, & DESPATCHED FROM WW. 14.1.28. x7770 x634 x5010 40/50 & 20HP. CRANKSHAFT FRICTION DAMPERS. Originally these had a dry surface,… | ||
| 11 | Design and application of a proposed 5-inch universal joint for project EAC.10. | ||
| View original record | FROM DA. Copy to - HS. ORIGINAL DA4/M11.1.28. X9340 X7340 X4183 EAC. 10. UNIVERSAL JOINT. We send herewith N. sch. 2416. shewing the proposed 5" universal joint for use on EAC.10. It is intended to… | ||
| 12 | Dispatch of original drawings for a crankcase, mentioning corrections and previous blueprints. | ||
| View original record | BY. FROM E. ORIGINAL E1/M11.1.28. C. to HS. E.A.C.10. X7000 We send you herewith the originals of LeC. 2501. and 2503. dealing with the front and rear ends of EAC.10. crankcase respectively. You will… | ||
| 13 | The feasibility and methods for removing a gearbox without removing the engine on the EAC.10 model. | ||
| View original record | .HS. FROM DA. RECEIVED [stamp] Hs JAN 1928 [stamp] ORIGINAL [stamp] DA1/M11.1.28. E.A.C. 10. etc. X5310 [crossed out] X7310 H K [handwritten] EAC.10. as you know has a unit engine and gearbox. It… | ||
| 14 | 'weired' induction pipe, comparing its application on models EAC.10 and EAC.14. | ||
| View original record | HS. FROM E. C. to BJ. ORIGINAL EAC.14. WEIRED INDUCTION PIPE. X7070 X3579 X8070 X7080 The weired induction pipe was not made for EAC.14., but as a model of EAC.10., and was regarded rather as a means… | ||
| 15 | Bearing adaptations and other modifications for a hypoid axle with a 1-inch offset. | ||
| View original record | BY. FROM DA. C. to BJ. HS. ORIGINAL DA1/M14.1.28. X2066 Y547 X3807 HYPOID AXLE 1" OFFSET. We understand that you are erecting the hypoid axle with 1" offset for trial immediately. In view of HS'… | ||
| 16 | Issues with crankshaft dampers, considering woven cotton as a superior material, and analysing Chrysler's design. | ||
| View original record | R. FROM E. Copy to HS. re. CRANKSHAFT DAMPERS. (Handwritten above: X634 X4012 4117 X8300) (Handwritten: X8010) E1/M14.1.28. I understand from HS. that nothing gives as good results as woven cotton.… | ||
| 17 | Suspension design, weight distribution, and handling improvements for 20HP and 40/50 models. | ||
| View original record | HS. BY. } FROM R. DA. E. } C to BI RG C SC. 20HP. & 40/50 SUSPENSION. x5410 Referring to HS/RM.20/12/27., the points mentioned are now well agreed upon but we must be careful what we recommend. For… | ||
| 18 | The insufficiency of car damping systems, comparing hydraulic and solid friction methods on the 20HP model. | ||
| View original record | (2) Having done all we can then we must have ample damping, as proved by the 20HP., which, though good otherwise, was still very unsatisfactory until the damping was increased, and both cars to my… | ||
| 19 | Design improvements for the E.A.C.10. engine's water pump gland, inlet pipe, and cylinder block rib. | ||
| View original record | -R. FROM E. C. to B-d. H/RM. E.A.C.10. ENGINE. ORIGINAL X7770 X7150 X8150 We send you herewith blueprints LeC.2504. & 2507. The former shews the drawing to which Derby is working for the water pump,… | ||
| 20 | Design and placement of a sports toolbox and running board. | ||
| View original record | DA/EV. FROM R. HS.) (At Le Canadel.) Copy to DJ. WCR. SPORTS TOOLBOX & RUNNINGBOARD. X8390 X8380 X8580 R3/M17.1.28. REC'D. & DESPATCHED FROM WW. 20.1.28. I quite agree that the step should be… | ||
| 21 | The design options for an EAC.14 engine induction pipe, comparing a high carburetter setup with a lower one. | ||
| View original record | Ltr. from E. Copy to HS. EAC.14. INDUCTION PIPE. X7070 X8070 The weir or slot type induction pipe at present being tested on an EAC.14. engine was designed as a test model of what we now know as… | ||
| 22 | Page 2 of a document describing a manifold drainage slot design and its limitations. | ||
| View original record | (2) With the slot underneath the manifold can be made to drain either into the carburetter or into the engine as desired. We must point out that with the under type slot the length is limited to 6",… | ||
| 23 | Design memorandum regarding the Sports Phantom front wing third (rear) stay. | ||
| View original record | DRG/EX/ HS.) FROM R. BY E. ) (At Le Canadel) Copy to BJ. Works. ORIGINAL R4/M17.1.28. REC'D. & DESPATCHED FROM WW. 20.1.28. X8390 SPORTS PHANTOM - FRONT WING 3rd.(REAR) STAY. Your scheme shews a tube… | ||
| 24 | The difficulties with a large experimental worm of .900 pitch for steering systems. | ||
| View original record | HS. BY. DA/HDY FROM R. (At Le Canadel.) ORIGINAL. R7/M17.1.28. REC'D, & DESPATCHED FROM WW. 20.1.28. Copy to BJ. WCR. X8430 47430 DIFFICULTY WITH LARGE EXPERIMENTAL WORM OF .900 PITCH. I cannot… | ||
| 25 | Technical memorandum with annotated sketches discussing design improvements and weight-saving measures for Super Sports pedals. | ||
| View original record | DA/IDY. FROM R. HS. BY. (At Le Canadel.) C. to BJ. WOR. REC'D. R2/M19.1.28. & DESPATCHED FROM WW. 23.1.28. SUPER SPORTS - EAC.10. PEDALS - N. SCH. 2449. Y7470 I am not sure I am right in asking for… | ||
| 26 | Induction and exhaust pipe designs for Super Sports models. | ||
| View original record | E.) FROM R. HS.) (At Le Canadel.) BY.) S. TO BJ. WCR. RG. BA. re. SUPER SPORTS. GAS PASSAGES & PIPES. R1/M21.1.28. REC'D. & DESPATCHED FROM WW. 24.1.28. X8070 X8230 X8080 X8992 You will see that the… | ||
| 27 | Comparison of different manifold pipe designs with engineering notes. | ||
| View original record | (2) TYPE 2. These plugs are carried round but I fear this is limited to a very small amount. This has the least heating, etc. The larger this radius the more efficient the pipe because of the better… | ||
| 29 | Hand-drawn schematic diagram of a piping or lubrication system for a multi-cylinder engine. | ||
| View original record | ", | ||
| 30 | Moving the Autovac to a higher position, away from the exhaust. | ||
| View original record | E.) FROM R. HS.) (At Le Canadel.) BY.) C. to BJ. WOR. RG. EAC. 10. AUTOVAC POSITION. I fear we must move this to the higher position suggested by E., but one does not like to place it any nearer the… | ||
| 31 | Deciding to use the 6 port induction scheme over the 4 port arrangement. | ||
| View original record | E. HS. } FROM R. BY. } (At Le Canadel) C. to BJ. WOR. RG ORIGINAL R6/M21.1.28. REC'D. & DESPATCHED FROM WW. 24.1.28. X7070 EAC. 10. INDUCTION PORTS. Further to my memo. of this morning I do not think… | ||
| 32 | Alternative slotted induction pipe design for EAC. 14, comparing underfed and top feed systems. | ||
| View original record | E. ) FROM R. HS.) (At Le Canadel.) BY.) R2/M21.1.28. REC'D, & DESPATCHED FROM WW. 24.1.28. C. to BJ. WOR. RG. DA. X8070 Y8080 SPORTS, (EARLY - NOT SUPER.) I agree that an alternative slotted induction… | ||
| 33 | Design of exhaust manifolds and pipes for the Super Sports 20HP model. | ||
| View original record | FROM R. HS.) (At Le Canadel.) REC'D. & DESPATCHED FROM WW. 24.1.28. to BJ. WOR. RG. DA. SUPER SPORTS 20HP. EXHAUST MANIFOLDS AND PIPE. It is understood that on the improved 20HP. (next 10,000 miles)… | ||
| 34 | Blueprint for a slot-type induction pipe. | ||
| View original record | ORIGINAL E2/M23.1.28. H: FROM E. C. to HS. BY. EAC.14. INDUCTION PIPE. X8070 We send you herewith blueprint of LeC. 2511. shewing slot type induction pipe proposed for EAC. 14. This pipe is made so… | ||
| 35 | Technical memorandum discussing the design and manufacture of propeller shaft universal joints. | ||
| View original record | Br. ) FROM R. By. ) (At Le Canadel.) HS. ) R1/M25.1.28. REC'D. & DESPATCHED FROM WW. 27.1.28. C. to Bl. WOB. E. EAC.10. PROPELLER SHAFT. UNIVERSAL JOINTS. X7340 X4183 MECHANIC'S TYPE. My impression is… | ||
| 36 | Two annotated design proposals for a propeller shaft assembly, focusing on oil retention and structural integrity. | ||
| View original record | (2) Top Diagram: Pins should have maximum area. Gland or felt. Control lengthened by bearing surface here. Serrations that can be broached and hardened. Propeller. Oil retainer. I think this flange… | ||
| 37 | Production strategy and body design for the new EAC. 10 sports chassis. | ||
| View original record | RH.) FROM R. HS.) (At Le Canadel.) SECRET. ORIGINAL R1/M30.1.28. REC'D, & DESPATCHED FROM NW. 3.2.28. G. to WOR. BY. C SC E DA/EV SUPER SPORTS - EAC. 10. X7770 X7830 Our impression was that this would… | ||
| 38 | Customer feedback from Lord Curzon on a Phantom vehicle. | ||
| View original record | HS. ) BJ. ) FROM R. DA/EV) (At Le Canadel.) C to WOR C PN. OWB E SG PHANTOM - re. LORD CURZON. ORIGINAL REC'D. & DESPATCHED FROM WW. 3.2.28. Y4117 X7770 X235 X8774 Y353 We should reply to Lord… | ||
| 39 | Car performance, design philosophy, and comparisons to competitors. | ||
| View original record | (2) BODY WORK. Shews the necessity of greater care, testing and standardising a good design when found. AUTOVAC. For some years I would not fit these for this and other reasons. Then we fitted a much… | ||
| 40 | Schedule N. sch. 2541, which details the front anchorage of rear springs, brake carrier levers, and other chassis modifications. | ||
| View original record | ~~BY~~ FROM DA. C. to HJ. HS. ORIGINAL EAC.10. FRONT ANCHORAGE OF REAR SPRINGS. BRAKE CARRIER LEVERS ETC. X7410 X7380 We send herewith N. sch. 2541. shewing the front anchorage of the rear springs,… | ||
| 41 | General arrangement of a Servo and Balance Lever, proposing a change from steel to ferodo lining. | ||
| View original record | ORIGINAL BY. FROM DA. C. to BJ. HS. DA2/M31.1.28. EAC.10. SERVO. X7370 Herewith we send N sch. 2538. - General Arrangement of the Servo and Balance Lever. It will be seen that the servo diameter is… | ||
| 42 | Confirmation of a telegram from R. Royce regarding engine dimensions and cylinder construction. | ||
| View original record | ORIGINAL CONFIRMATION OF TELEGRAM SENT BY R. FROM LE CANADEL. 31.1.28. Copy to BJ. " " FG. " " HS. X3866 X4657 ROLHEAD. LONDON. ANGLETERRE. SUGGEST FELL ROWLEDGE ELLIOTT AND HIVES MEET PREFERABLY AT… | ||
| 43 | Approving a design for crankshaft oiling and discussing overall car development. | ||
| View original record | E. } FROM R. HS. } (At Le Canadel.) BY. } Copy to BJ. WOR ORIGINAL R1/M2.2.28. REC'D, & DESPATCHED FROM WW. 6.2.28. X7010 EAC.10. CRANKSHAFT OILING. Re. LeC. 2502. I quite approve this, but I should… | ||
| 44 | Suggesting the use of a Bostock & Bramley servo worm gear to handle heavy loads. | ||
| View original record | --DA. R. } FROM R. --BY. H.S. } (At Le Canadel.) Copy to - B.J. WCR. ORIGINAL R3/M2.2.28. REC'D. & DESPATCHED FROM WW. 6.2.28. EAC.10. SERVO WORM. (7370 X2061. In the gearbox integral with the engine… | ||
| 45 | Materials and operation of car engine crankshaft dampers, specifically addressing friction surfaces and vibration periods. | ||
| View original record | FROM R. HS. (At Le Canadel.) ORIGINAL R2/M2.2.28. REC'D. & DESPATCHED FROM WW. 6.2.28. Copy to BJ. WGR. CAR ENGINES - CRANKSHAFT DAMPERS. X634 X7010 X810 X8300 I am expecting a report on the best… | ||
| 46 | Performance and non-skid properties of Dunlop Triple Stud tyres on rough and clay roads. | ||
| View original record | HS.) FROM R. BY.) (At Le Canadel. ORIGINAL REC'D, & DESPATCHED FROM WW. 6.2.28. R6/M2. 2.28. Copy to BJ. " [REDACTED] " PN " OMD " SG TYRES - DUNLOP TRIPLE STUD. X4050 Naturally I cannot do much in… | ||
| 47 | Faults found with the ignition hand control and magneto advance mechanism. | ||
| View original record | E. HS.) FROM R. BY. EFC) (At Le Canadel. Copy to Mr. WOR. R4/M2.2.28. REC'D. & DESPATCHED FROM WW. 6.2.28. ORIGINAL X.7791 EAC.7. IGNITION HAND CONTROL AND MAGNETO (WATFORD). I noticed on the above… | ||
| 48 | Experiments on engine mountings and a proposed solution involving a subframe for damping purposes. | ||
| View original record | FROM E. C. to HS. RM. EAC.10. ENGINE MOUNTING. In discussing recent experiments on engine mountings during visits to Derby, we arrived at the conclusion that so far as the low speed reactions were… | ||
| 49 | Typed note discussing the peculiarities of a scheme involving torque, the clutch, and the chassis frame. | ||
| View original record | (2) A peculiarity of this scheme is that the first speed and reverse torque is fed off direct and the clutch case only carries engine torque. It seems somewhat frightful to tell the body to go to the… | ||
| 50 | Readiness of a Standard Phantom and the design of a Sports Phantom carburettor. | ||
| View original record | BY.) FROM R. E. ) (At Le Canadel.) HS.) C. to - EJ. WOR. DA. R1/M6.2.28. REC'D & DESPATCHED FROM WW. 9.2.28. X8960E X7080 X7230 X7070 STANDARD PHANTOM - NEXT 10,000 MILES. This is expected to be ready… | ||
| 51 | Correction to a gearbox casting layout, specifically the web carrying the servo bearing. | ||
| View original record | BY. FROM DA. C. to HS. ORIGINAL. DA1/M6.2.28. EAC.10. GEARBOX. Y7310 We send herewith N. sch. 2542. shewing a correction to the gearbox casting as a result of our examination of the box layouts which… | ||
| 52 | Requesting the supply of wing stays and step-irons for a Jarvis Body, to be sent with a dummy chassis. | ||
| View original record | HS. FROM DA/EV. ORIGINAL. DA/EV5/M9.2.28. re. JARVIS BODY. X8390 X7830 X8830 X8380 We are keeping all the spare wing stays and step-irons at Barker's for the saloon. Would you please see that Messrs… | ||
| 53 | Wind resistance and body modifications for the Continental Phantom. | ||
| View original record | --S.S. FROM DA/EV. C. to --H. HS. DA/EV4/M9.2.28. ORIGINAL X 8830 X 8320 X1505 re. WIND RESISTANCE ON CONTINENTAL PHANTOM. We note that you wish us to give you some sort of connection between the face… | ||
| 54 | The status of various components for the E.A.C. 10 Phantom Two vehicle. | ||
| View original record | [Strikethrough: DA. E.)] FROM R. [Strikethrough: DR. H.S.)] (At Le Canadel.) C.C. to BJ. WOR. E.A.C. 10. SHOULD HAVE A NAME - PHANTOM TWO. [Handwritten: Y7770] [Handwritten, strikethrough: X4663] We… | ||
| 55 | Proposed locking mechanism for dipping headlamps and a potential issue with cleaning. | ||
| View original record | BY. FROM DA. C. to H3. ORIGINAL DA1/M11.2.28. RR. DIPPING HEADLAMPS. YU555 With reference to BY/CGH2/G7228., we send herewith N. sch. 2545 shewing the proposed locking on the spherical nut of the… | ||
| 56 | Arrangement of brake differentials, enclosing a schematic and requesting an extra print. | ||
| View original record | BY. FROM DA. C. to Bo. HS. ORIGINAL DA1/M13.2.28. X7420 X7370 X7310 EAC.10. BRAKE DIFFERENTIALS. We send herewith N. sch. 2539. shewing the arrangement of the brake differentials and connection to the… | ||
| 57 | Modifications to the cross in frame for brake gear clearance. | ||
| View original record | BY. FROM DA. C. to RI. HS. EAC.10. CROSS IN FRAME. X7380 X7420 In working on N. sch. 2539. we found it desirable to modify the forward end of the cross in order to get the tubular member as high in… | ||
| 58 | Choice between Schatz and New Departure bearings, with suggestions for fitting. | ||
| View original record | DA. FROM R. (At Le Canadel.) C. to HS. ORIGINAL R1/M14.2.28. REC'D. & DESPATCHED FROM WW. 18.2.28. E.A.C.10. X3807/X547 Re. N. sch. 2537., from the experience mentioned it certainly suggests that… | ||
| 59 | With a sketch discussing oil and water sealing methods for bearings. | ||
| View original record | (2) I do not object to felt, but do not trust it to do more than keep a close fit against water. Try for something like this: i.e. revolving disc to retain oil, shewn as locking plate held up by… | ||
| 60 | Design alternatives for a new 6-inch universal joint and propeller shaft, replacing the original 5-inch version. | ||
| View original record | BY, FROM DA. C. to HS. ORIGINAL DA1/M15. 2. 2. 28. X7340 EAC. 10. UNIVERSAL JOINT AND PROPELLER SHAFT. Herewith we send N. sch. 2547. shewing the 6" universal joint recently instructed by R., instead… | ||
| 61 | Revised pedal support and awaiting further comments before detailing. | ||
| View original record | ORIGINAL FROM DA. DA2/M15.2.28. C. to HS. EAC.10. PEDAL SUPPORT. 47470 We send herewith N. sch. 2548. shewing the revised pedal support recently instructed by R. The pedals remain unaltered. We expect… | ||
| 62 | Relocating the headlamp dipping lever on a Barker Sports car due to its inconvenient position. | ||
| View original record | BY. FROM DA. C. to PL HS. DAL/M16.2.28. BARKER SPORTS. VU355 We are informed that the position of the headlamp dipping lever alongside the steering column is inconvenient on this car, due to the low… | ||
| 63 | Request to measure the distance between a vehicle's screen and wheel due to a suspected clearance error by the coachbuilder, Hooper's. | ||
| View original record | ORIGINAL HS/RM. FROM DA/EV. DA/EV2/M16.2.28. re. 15-EX. Y 8940 (crossed out) Y 7830 (crossed out) Would you kindly ask Hancock to measure the distance between the screen and wheel at the nearest… | ||
| 64 | Expressing anxiety over delays in preparing two chassis models for trial and outlining the main improvements required. | ||
| View original record | E. BA.) FROM R. HS. BY.) (At Le Canadel.) C. to BJ. WOR. ORIGINAL R2/M1 7.2.28. REC'D. & DESPATCHED FROM WW. 20.2.28. re. EAC.10. SUPER SPORTS X7770 re. INDIA 3. LONG & LOW 20HP. X5770 I am not sure… | ||
| 65 | Manufacturing proposal for a 6-inch universal joint's rings. | ||
| View original record | ORIGINAL BY FROM DA. C. to Dr. HS. DA1/M18.2.28. EAC.10. 6" UNIVERSAL JOINT. X7340 Herewith we send N. sch. 2550. an alternative to N. sch. 2547. sent you a few days ago, shewing a proposal for… | ||
| 66 | Comparison of cross web and diagonal web piston designs, concluding that the diagonal web piston is the superior design for car work. | ||
| View original record | FROM E. ORIGINAL E1/M18.2.28. C. to BJ. HS. BY. PISTONS. X8040 (crossed out: X7040) It is understood that we are testing pistons of both cross web and our old diagonal web pattern. The cross web are… | ||
| 67 | Suggestions for engine mounting and the use of dampers to reduce vibration. | ||
| View original record | By HS. ) FROM R. By. DA/HDY.) (At Le Canadel.) ORIGINAL R3/M19.2.28. REC'D. & DESPATCHED FROM WW. 22.2.28. Copy to BJ. WOR. X7830 X7420 EAC.10. ENGINE MOUNTING. Regarding E's suggestion of 4.2.28.,… | ||
| 68 | Effectiveness and design of hydraulic dampers for the Phantom and 20HP models, including a suggested design sketch. | ||
| View original record | HS. FROM R. (At Le Canadel.) Copy to Mr. WCR & E. ORIGINAL REC'D. & DESPATCHED FROM WW. 22.2.28. R2/M19.2.28. PHANTOM AND 20HP. HYDRAULIC DAMPERS. X235 X5530 X8530 We are going to considerable cost to… | ||
| 69 | Arguing against a fully automatic charge control system, proposing a simpler, driver-operated alternative. | ||
| View original record | EFC. } FROM R. HS. } (At Le Canadel.) BT. } REC'D. R1/M19.2.28. DESPATCHED FROM WW. 22.2.28. PHANTOM & 20HP. AUTO: CHARGE CONTROL. X40DE X40MO. Cc to BT. WOR. E. DA. RO. C. CMB. SG.FN. You will… | ||
| 70 | Modifications to Phantom valve springs due to insufficient clearance. | ||
| View original record | FROM E. Copy to HS. ORIGINAL PHANTOM VALVE SPRINGS. X8060 X290 X7060 The last valve springs we made for the Phantom were LeC. 2479., and these had a total dimensional coil clearance of .217" and .201"… | ||
| 71 | Chassis and body modifications for the Continental Phantom EAC.14 to increase interior space. | ||
| View original record | FROM DA/EV. C. to HS. E. A. C. 14.X8774 X8830 Now that it is proposed to put the Continental Phantom - EAC. 14. - into production as soon as possible, we think we ought to remind you that this car is… | ||
| 72 | Viability of Bohnalite steel strut pistons and duralumin connecting rods. | ||
| View original record | HS/RM. FROM E. C.c. to BJ, OY, BY [Text is struck through] ORIGINAL E1/M21.2.28. re. PISTON & CON. ROD. X4588 X1506 Referring to your memo. HS/RM3/LG6228., we have no information about the Bohnalite… | ||
| 73 | Positioning of the Magneto Drive in relation to the Phantom model. | ||
| View original record | FROM E. C. to BG. HS. BY. E2/M22.2.28. X7100 EAC.10. MAGNETO DRIVE. X8100 We send herewith blueprint of LeC. 2516., shewing instructions sent to Derby for the above. The position of the magneto is… | ||
| 74 | Blueprints for a crankchamber, covering starter motor mounting stiffness and potential improvements. | ||
| View original record | ORIGINAL FROM E. C. to HS. BY. E3/M22.2.28. X8000 X8100 X8010 EAC.10. CRANKCHAMBER. We send herewith blueprints of LeC. 2503. and 2505. dealing with the rear end of the crankchamber, which have been… | ||
| 75 | Blueprint for a cylinder head, focusing on valve passages, rockers, and gear. | ||
| View original record | R. FROM E. C. to BJ. HS. BY. EAC.10. CYLINDER HEAD. X7050 X7060 We send herewith blueprint of LeC. 2509., shewing the instructions sent to Derby for the cylinder head. The question of valve sizes will… | ||
| 76 | From E. to HS. querying the purpose of a small locating screw on the 20HP valve gear. | ||
| View original record | BY: FROM E. C. to HS. E5/M23.2.28. EAC.10. VALVE GEAR. X7060 X5060 We send you herewith drawing LeC. 2514., shewing the remainder of the information for the above. We notice on the 20HP. valve gear,… | ||
| 77 | Modifications to the Hand Brake Lever Shaft and Equaliser. | ||
| View original record | EXTRACT FROM DA. C. to HS. ORIGINAL DA1/M23.2.28. X7330 EAC.10. HAND BRAKE LEVER SHAFT AND EQUALISER. Herewith we send N. sch. 2551., shewing the arrangement of the hand brake lever and equaliser on… | ||
| 78 | The valve gear, suggesting duralumin for rocker bar supports and discussing thermal expansion. | ||
| View original record | R. FROM E. C. to R.J. BY. HS. ORIGINAL E3/M23.2.28. EAC.10. VALVE GEAR. X7060 We send herewith blueprint of LeC. 2514., shewing remainder of information for the above. We are suggesting that the… | ||
| 79 | Starter motor, sending drawing LeC. 2517 and returning drawing LeC. 2496. | ||
| View original record | BY. FROM E. C. to BY. HS. ORIGINAL EAC.10. STARTER MOTOR. We send herewith drawing LeC. 2517., which should clear up the remaining points in question on this job. We also return the original drawing… | ||
| 80 | Modifications to a starter motor, referencing blueprint LeC. 2517 and a redesigned end cover. | ||
| View original record | ORIGINAL E2/M23.2.28. R. FROM E. C. to BJ. BY. HS. EAC.10. STARTER MOTOR. Please find attached blueprint of LeC. 2517. which should clear up the remaining doubtful points on the above. I am sorry that… | ||
| 81 | Modifications and improvements for test cars codenamed INDIA 3 and INDIA 4. | ||
| View original record | FROM DA/EV. ORIGINAL C. to Mr. Hives. G. (Struck through) C. to Mr. Hives. G., Mr. Sidgreaves, HS. By Mr. HS. re. INDIA 3. & 4. X5770 X4663 The following is what we understand these cars to represent.… | ||
| 82 | On the reliability of the American A.C. petrol pump with a canvas diaphragm, and a suggested alternative design for the Phantom. | ||
| View original record | HS.) FROM R. E.H.) (At Le Canadel.) BY.) Cy to R.I. WOR R1/M24.2.28. REC'D. & DESPATCHED FROM WW. 27.2.28. A.C. PETROL PUMP. X2677 I understand this is the American pump with canvas diaphragm. The… | ||
| 83 | Requesting a progress report on a 10,000-mile Phantom experiencing body and fitting issues. | ||
| View original record | HS. FROM DA. 10,000 MILES PHANTOM. X8830 X7830 We have heard from Sales that there have been some troubles with the body and body fittings on the car now running 10,000 miles. Hitherto we have had… | ||
| 84 | Blueprint for proposed exhaust pipes, including a sketch. | ||
| View original record | B. FROM E. C. to H.S. BY. ORIGINAL E2/M.25.2.28. X7230 EAC.10. EXHAUST PIPES. We send you herewith a blueprint of LeC. 2518., shewing the proposed exhaust pipes for EAC 10. This is not quite like… | ||
| 85 | Drawing LeC. 2518 for an exhaust manifold, advising a hold on the project pending feedback. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL E1/M27.2.28. EAC. 10. EXHAUST MANIFOLD. X7230 We send you herewith drawing LeC. 2518., shewing the above. It may be wise not to push on with this scheme straight… | ||
| 86 | Letter discussing the feasibility and cost-effectiveness of Fynn-Weichsel design induction motors for factory use. | ||
| View original record | -NA.) FROM R. EFC.) (At Le Canadel.) C to BJ BY Mr. Bentley of Royce Ltd ORIGINAL REC'D, & DESPATCHED FROM WW. 1.3.28. X 632 re. INDUCTION MOTORS OF UNITY POWER FACTOR. FYNN-WEICHSEL DESIGN. Many… | ||
| 87 | The general arrangement and component specifications for the 'India 3' car. | ||
| View original record | BY. FROM DA. C. to BI. HS. ORIGINAL DA1/M27.2.28. X5430 X5770 X5380 INDIA 3. GENERAL ARRANGEMENT. Before R. went away he instructed us to get the new long frame, and 'X' shaped cross member on to the… | ||
| 88 | Valve gear and rocker shaft deflection compared to the 20HP model. | ||
| View original record | FROM E. C. to HS. EAC.10. VALVE GEAR. X7060 Pro rata with the 20HP, the .750 dia. valve rocker shaft on EAC.10. is on the small side, since the former has a dia. of .625". There are two features… | ||
| 89 | Design of an 'SS' exhaust pipe, suggesting a more practical and less costly 4-bolted flange. | ||
| View original record | E. FROM R. (At Le Canadel.) C. to BJ. WCR. DY. HS. ORIGINAL R2/M28.2.28. REC'D. & DESPATCHED FROM WW. 2.3.28. X7230 EAC.10. "SS". EXHAUST PIPE. Re. LeC. 2518., this appears the simplest form that… | ||
| 90 | Proposals for a New Departure bearing and oil retaining devices for a 1' offset hypoid rear axle. | ||
| View original record | BY. FROM DA. C. to BJ. HS. DA2/M28.2.28. X7350 X2066 Y8807 EAC.10. 1" OFFSET HYPOID REAR AXLE. Herewith we send N. schs. 2552/3/5., on which we have shewn R's proposals for the New Departure bearing… | ||
| 91 | Proposed engine improvements including exhaust, crankshaft, new head, and induction system. | ||
| View original record | B. FROM R. (At Le Canadel.) ORIGIN REC'D, & DESPATCHED FROM WW. R3/M28.2.28. WW. 2.3.28. C. to ED. WCR. BY. HS. INDIA 3. X5770 X5010 X5000 X5230 X5070 X5080 In addition to the 6 items given in… | ||
| 92 | Adjustments and proposed settings for hydraulic dampers on Phantom & 20HP models. | ||
| View original record | HS/RM.) FROM R. (At Le Canadel.) O. to BJ. WOR. OY. BY. E. R1/M28.2.28. REC'D, & DESPATCHED FROM WW. 2.3.28. Y235 X8520 Y5520 PHANTOM & 20HP. HYDRAULIC DAMPERS. From my own experience, and what I… | ||
| 93 | The steadiness and optimal length of the Phantom Sports steering column. | ||
| View original record | (DA.) FROM R. HS.) (At Le Canadel.) C. to BJ. WOR. BY. E ORIGINAL R1/M1.3.28. REC'D, & DESPATCHED FROM WW. 5.3.28. PHANTOM SPORTS STEERING COLUMN. x8430 x7430 I noticed that the steering column was… | ||
| 94 | List of required improvements for the 20HP India 3 model's next 10,000-mile test. | ||
| View original record | DA. (struck through) FROM R. BY. (struck through) (At Le Canadel.) HS. c. to - BJ. WOR. R. ORIGINAL R2/M1.3.28. REC'D. & DESPATCHED FROM WW. 5.3.28. Handwritten: X5770 X4663 (struck through) X5340C… | ||
| 95 | Sketch with annotations for a damping scheme to address engine torque vibrations. | ||
| View original record | ORIGINAL HS. FROM DA/HDY. DA/HDY1/M2.3.28. ENGINE TORQUE VIBRATIONS. X8005 X6324 I give below a sketch of the damping scheme referred to in R3/M19.2.28., in order that you may know what is intended,… | ||
| 96 | Design and requirements for dipping and turning headlights on 20HP & 40/50 models. | ||
| View original record | SS.) FROM R. BM.) (At Le Canadel.) HS.) C. to MCR. BY. PN. GMD. C. E. SG. ORIGINAL R1/M3.3.28. REC'D. & DESPATCHED FROM WW. 7.3.28. 20HP. & 40/50. DIPPING HEAD LIGHTS. X4555 I have written to some… | ||
| 97 | Proposed modifications for the 20HP India 3 engine and chassis. | ||
| View original record | ORIGINAL R.) FROM R. DA.) (At Le Canadel.) HS.) R2/M3.3.28. REC'D, & DESPATCHED FROM WW. 7.3.28. C.c. to BJ. WOR. BY. 20HP. - INDIA 3. NEXT 10,000 MILER. /5770 X4663 X5842 ENGINE. I have written to… | ||
| 98 | On modifying a 20HP car with central oiling and new joints for a 'Super Sports' model. | ||
| View original record | FROM R. (At Le Canadel.) C. to HS. DA. [struck through] BY. G. [Stamp] ORIGINAL [Stamped] R3/M3.3.28. REC'D, & DESPATCHED FROM WW. 7.3.28. [Handwritten] X3806 X5770 X5840c 20HP. - INDIA 3. NEXT 10,000… | ||
| 99 | Modifications and requirements for the cast dash on the 12-EX model. | ||
| View original record | BY. FROM DA. Copy to HS. ORIGINAL DA2/M3. 3.28. re. CAST DASH ON 12-EX. X8500 47500 The cast dash on 12-EX. was not of the sports type, but was we believe the original cast dash, only modified to… | ||
| 100 | Query regarding the feasibility of creating a damper with both dry friction and lubrication, similar to a friction clutch. | ||
| View original record | E. ) FROM R. HS.) (At Le Canadel.) C. to - BJ. WOR. BY ORIGINAL R5/M5.3.28. REC'D, & DESPATCHED FROM WW. 8.3.28. CAR ENGINES. X8005 / X7005 Y634 Would it be possible to have the damper with dry… | ||
| 101 | Pinion, bearings, and oil retention design for a 1' offset hypoid gear, including a clarifying sketch. | ||
| View original record | FROM R. (At Le Canadel.) C. to - BD, BY, HS. R9/M5.3.28. REC'D, & DESPATCHED FROM WW. 8.3.28. 1" OFFSET HYPOID GEAR. X2066 X3807 Regarding the 1" offset hypoid gear, the pinion shewn on N. sch. 2552.… | ||
| 102 | Green lamp scheme and charge indicator for 20HP & 40/50 models, including ignition and charge control switch design. | ||
| View original record | -EFC. HS.) FROM R. -DA. E.) (At Le Canadel) C. to BJ. WOR. PN. REC'D. R10/M5.3.28. & DESPATCHED FROM WW. 8.3.28. 20HP. & 40/50 CHARGE INDICATOR. re. EFC.2/3/28. X4040 Regarding the green lamp scheme I… | ||
| 103 | Crankshaft rigidity, with reference to the Stutz shaft and design implications for harmonics. | ||
| View original record | ORIGINAL FROM R. HS.) (At Le Canadel.) R7/M5.3.28. REC'D. & DESPATCHED FROM WW. 8.3.28. C. to BJ. BY. RG. FL. X8010 X4336 X634 CRANKSHAFT RIGIDITY - STUTZ & OTHERS. Mr. Tressilian's work in watching… | ||
| 104 | Outlining design preferences and specifications for the 'SS' propeller shaft. | ||
| View original record | DA. FROM R. (At Le Canadel.) C. to - BJ. BY. HS. ORIGINAL REC'D R8/M5.3.28. & DESPATCHED FROM WW. 8.3.28. X7340 "SS" PROPELLER SHAFT. N. Sch. 2547. I prefer the pins going right across for fixing the… | ||
| 105 | Ideal size and position for the Phantom steering wheel across different models. | ||
| View original record | DA/EV.) FROM R. HS. ) (At Le Canadel.) ORIGINAL REC'D, & DESPATCHED FROM WW. 8.3.28. Cy to BJ. WOR. PN. G. GWB. SG. x7430 x8430 PHANTOM STEERING WHEEL. STANDARD, SPORTS, & SUPER SPORTS. x3861… | ||
| 106 | 'SS' Propeller Shaft and associated schematics. | ||
| View original record | DA.) FROM R. HS.) (At Le Canadel.) C. to BJ. WOR. BY. ORIGINAL REC'D, & DESPATCHED FROM WW. 8.3.28. R6/M5.3.28. re. "SS" PROPELLER SHAFT. X7340 N. schs. 2547. and 2550. seem OK. I agree that fig.2. on… | ||
| 107 | Frame modifications and component requirements for the 20HP 'Next 10,000 Miler' model. | ||
| View original record | ORIGINAL DA. ) FROM R. E. ) (At Le Canadel.) HS. ) R1/M5.3.28. REC'D. & DESPATCHED FROM WW. 8.3.28. X5840 X5770 X4663 20HP. - INDIA 3. NEXT 10,000 MILER. The 3" longer, and 2" lower frame should… | ||
| 108 | Modifications to the gearbox and cross member for a future car model. | ||
| View original record | BY. FROM DA. ORIGINAL C. to DJ. HS. DA2/M6.3.28. INDIA 3. K5380 X5770 X5310 With reference to the long frame and 'X' shaped cross member which R. instructs should be on the next 10,000 mile car, we… | ||
| 109 | Sending drawing LeC. 2520 regarding the Phantom Slipper Flywheel. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL E7/M6.3.28. PHANTOM SLIPPER FLYWHEEL. X 8300 We send you herewith LeC. 2520. shewing the above. E. | ||
| 110 | EAC.10 & India 3 valve sizes, sending document Lec. 2523. | ||
| View original record | ORIGINAL BY. FROM E. C. to DJ. HS. E6/M6.3.28. EAC.10. & INDIA 3. VALVE SIZES. Handwritten: X7060/X5060 We send herewith Lec. 2523., shewing the above. E. Handwritten in circle: 10 30 35/5 | ||
| 111 | On a Slipper Flywheel design change to a disc drive arrangement, at the request of the Experimental Department. | ||
| View original record | R. FROM E. C. to BJ. HS. BY. E4/M6.3.28. ORIGINAL EAC.10. SLIPPER FLYWHEEL. X7300 Blueprint LeC. 2520. shews the above arranged with a disc drive to the pressure plate instead of serrations. This is… | ||
| 112 | Brief memo regarding Camshaft Bearings, sent with an accompanying document. | ||
| View original record | BY. FROM E. C. to BJ. HS. 10-D 83-to ORIGINAL E8/M6.3.28. EAC.10. CAMSHAFT BEARINGS. X.7090 We send you herewith LeC. 2514,, shewing the above. E. | ||
| 113 | Material options for camshaft bearings, suggesting piston aluminium alloy or cast iron as alternatives to bronze. | ||
| View original record | R. FROM E. C. to RS. HS. SM. ORIGINAL E5/M6.3.28. V7090 EAC.10. CAMSHAFT BEARINGS. Blueprint LeC. 2519. shews the above arranged for splash lubrication with a small vertical web arranged to receive… | ||
| 114 | And comparing valve sizes for various engine models, including EAC.10 and India 3. | ||
| View original record | FROM E. C. to HS. SY. ORIGINAL EAC.10. & INDIA 3. VALVE SIZES. X7060 X5060 (crossed out) In checking over the dimensions of LeC. 2509. I find that the exhaust valve dia. should be 1.700". This makes… | ||
| 115 | Investigation into difficulties with the Phantom's in-frame battery, comparing temporary and proper moulded batteries, and assessing accessibility. | ||
| View original record | FROM DA. C. to BJ. WOR. E. BY EFC. ORIGINAL PHANTOM - BATTERY IN FRAME. X7555/6 With reference to EPC1/T1328., concerning the two unit battery in the frame, we investigated the difficulties complained… | ||
| 116 | Querying the potential causes of bakelite tracking on high-tension ignition parts. | ||
| View original record | EFC. FROM E. X ORIGINAL re. BAKELITE TRACKING. E2/M7.3.28. From time to time you have drawn a ttention to various cases of bakelite tracking on H.T. ignition parts. [Handwritten note: ence?] Do you… | ||
| 117 | Considerations for engine suspension design, specifically regarding rubber mountings and chassis twist. | ||
| View original record | FROM E. C. to H.S. " " E.R. ORIGINAL E6/M7.3.28. EAC.10. ENGINE SUSPENSION. V7005 V7380 (text is crossed out) As a result of the experience with EAC.14. engine mounting, it is found desirable to use… | ||
| 118 | Valve gear rocker geometry and an experimental setup on a Phantom engine. | ||
| View original record | HS. FROM E. C to BJ. R. BY. [crossed out] ORIGINAL! EAC.10. VALVE GEAR ROCKERS. Our present standard practice as regards the geometry of valve rockers is to arrange the rocker pivot about 1/3rd of the… | ||
| 119 | Modified water pump gland for EAC.10, referencing blueprint LeC. 2521. | ||
| View original record | FROM E. C. to BJ. HS. -BY- ORIGINAL E1/M8.3.28. EAC.10. WATER PUMP. Y7150 Please find attached blueprint of LeC. 2521. shewing modified water pump gland for EAC.10. Our original design was not… | ||
| 120 | Drawing for an alternative exhaust pipe joint. | ||
| View original record | BY. FROM E. C. to B.J. HS. ORIGINAL E5/M8.3.28. EAC.10. ALTERNATIVE EXHAUST PIPE JOINT. X7230 We send you herewith drawing LeC. 2524., shewing the above. E. 10 JUL 38 (b) | ||
| 121 | Sending drawing LeC. 2521 regarding water pump glands. | ||
| View original record | BY. FROM E. C. to B.J. HS. ORIGINAL EAC.10. WATER PUMP GLANDS. X.7150 We send you herewith drawing LeC. 2521., shewing the above. E. 32/M 01 e-u-b | ||
| 122 | Design change for an 'SS' exhaust pipe to a 4-bolt flange. | ||
| View original record | ORIGINAL R. FROM E. C. to BJ. HS. BY. E2/M8.3.28. EAC.10. "SS" EXHAUST PIPE. X7230 We attach herewith a print of LeC. 2524., shewing main connection for the above modified to a 4 bolt flange. In… | ||
| 123 | Material and design of camshaft bearings. | ||
| View original record | E. ) FROM R. H.S. } (At Le Canadel.) BY. ) Copy to - B.J. WOR. ORIGINAL R2/M9.3.28. REC'D, & DESPATCHED FROM WW.13.3.28. X8090 Y7090 CAMSHAFTS - re. Lec. 2519. BEARINGS - these I agree can be in… | ||
| 124 | Confirming agreement on valve bore seat sizes for the 20HP and Phantom models. | ||
| View original record | E. HS. BY. FROM R. (At Le Canadel.) Copy to BJ. WOR. ORIGINAL R1/M9.3.28. REC'D, & DESPATCHED FROM WW.13.3.28. X5060 / V8060 20HP. & PHANTOM VALVE SIZES. I agree to LeC. 2523:- PHANTOM. Exhaust 1.700… | ||
| 125 | Engine suspension, focusing on the flexibility of rubber, alignment, and torsional dampers. | ||
| View original record | FROM R. HS. (At Le Canadel.) Copy to - BJ. WOR. BY. ORIGINAL R6/M9.3.28. REC'D, & DESPATCHED FROM WW.13.3.28. EAC. 10. ENGINE SUSPENSION. E6/M7.3.28. X7005 X634 We can get Derby to try any combination… | ||
| 126 | Design and materials for a damper flywheel, focusing on friction surfaces and vibration. | ||
| View original record | E.) FROM R. HS.) (At Le Canadel.) BY.) Copy to BJ. WOR. FL. R3/M9.3.28. REC'D. & DESPATCHED FROM WW.13.3.28. x2010 DAMPER FLYWHEEL - LeC. 2520. /634 This corrugated disc drive of the second friction… | ||
| 127 | Insufficient dynamo output for 20HP & 40/50 models and proposed solutions. | ||
| View original record | EFC. } FROM R. HS } (At Le Canadel.) E. C. to BJ. WOR. PN. C BY. CWB. SG. R5/M9.3.28. REC'D. & DESPATCHED FROM WW.13.3.28. x8664. X 8750 x 5863 20HP. & 40/50. INSUFFICIENT DYNAMO OUTPUT. Our dynamo is… | ||
| 128 | Design options for an 'SS' propeller shaft, referencing schematics and various manufacturing preferences. | ||
| View original record | BY. FROM DA. C. to BJ. HS. DA1/M10.3.28. "SS" PROPELLER SHAFT. V7340 Herewith we send N. sch. 2563. shewing the anti-pumping holes which R. asks for in R8/M5328., for the sliding joint on the… | ||
| 129 | Adaption of a Phantom carburetter to an EAC.10 induction pipe. | ||
| View original record | FROM E. C. to BJ. HS. BY. EAC.10. INDUCTION PIPE. X7070 X7080 We send you herewith a blueprint of LeC. 2526., dealing with the above. This design is not complete but shews nevertheless how the present… | ||
| 130 | The final revision of a thrust bearing for an 'SS' 1' offset hypoid pinion. | ||
| View original record | FROM DA. C. to HS. "SS" 1" OFFSET HYPOID PINION. Herewith we send N. sch. 2562. shewing the final revision of the thrust bearing in accordance with R9/M5328. This enables you to go ahead with N. sch.… | ||
| 131 | Design improvements for the rear brake compensating shaft. | ||
| View original record | FROM R. (At Le Canadel.) EA. BY. HS. R1/M12.3.28. REC'D, & DESPATCHED FROM WW. 16.3.28. ORIGINAL c.c. to BJ. WOB. EAC.10. N. Sch. 2539. REAR BRAKE COMPENSATING SHAFT, ETC. X7360 [X7330 crossed out] I… | ||
| 132 | Hand-drawn cross-sectional diagram of a lever and servo mechanism. | ||
| View original record | BEARING. REAR ROPE ON BOSS OF BEVEL. FIXED LEVER ON CASING. FLOATING LEVER WITH SUITABLE DOG DRIVE TO SERVO. | ||
| 133 | Centralised chassis lubrication for the Phantom's front axle control damper. | ||
| View original record | BY. FROM DA. C. to BJ. HS. ORIGINAL DA1/M13.3.28. PHANTOM - CENTRALISED CHASSIS LUBRICATION. X3806 X8420 X8427 With reference to the front axle control damper - lubrication of the ball end - by now we… | ||
| 134 | Issues with the Phantom's spare wheel carrier, including frame flexing and potential design revisions. | ||
| View original record | HS. FROM DA. ORIGINAL DA2/M13.3.28. 78400 X8600 X7600 PHANTOM - SPARE WHEEL CARRIER. Replying to HS/RM5/LG9328., the trouble of the elusive knock due to the flexing of the rear end of the frame is not… | ||
| 135 | Alterations to design with a focus on reusing existing parts to minimize costs. | ||
| View original record | HM/NRC. FROM DA. ORIGINAL. DA3/M13.3.28. C. to - WOR.-E- ALTERATIONS TO DESIGN. X7310 X7580 X5580 Replying to HM/NRC3/MW8328., we fully appreciate the importance of keeping the number of jigs, tools,… | ||
| 136 | Strategy and development of the 15-EX Sports Model, including engine, chassis, and bodywork considerations. | ||
| View original record | DA. E. Hs. BY. from R. c. to WOr. BJ. C. c. to CMB. PN. SG. RL/M5.3.28. X.7770 X.2266 X.7330 X.3993 X.7500 SPORTS MODEL - 15-EX. I think it is a mistake to consider this cancelled. My views are as… | ||
| 137 | Chassis flexibility and steering column issues, with suggestions for a sports car design for the Olympia show. | ||
| View original record | contd :- -2- It will be realised that my sketch shews one flexibility due to trusting to the dashboard not to bend in plan where left hand stay is distant from left hand dash stay. We ought to get the… | ||
| 138 | Development strategy for the 15-EX Sports Model, covering engine/chassis improvements and body design. | ||
| View original record | ORIGINAL DA. BY.) FROM R. HS. DY.) (At Le Canadel.) R1/M15.3.28. REC'D. & DESPATCHED FROM WW. 19.3.28. G. to WCR. BJ. C GWB. PN. SG. SPORTS MODEL - 15-EX. [Handwritten:] X7770 X7830 [Handwritten and… | ||
| 139 | Chassis flexibility, steering column support, and design suggestions for a new sports car model. | ||
| View original record | (2) It will be realised that my sketch shews one flexibility due to trusting to the dashboard not to bend in plan where left hand stay is distant from left hand dash stay. We ought to get the chassis… | ||
| 140 | Hand-drawn design sketches with notes on stress and stiffness for a frame component. | ||
| View original record | IT IS ASSUMED THAT THE UPPER JOGGLE WILL GIVE THE REQUIRED STIFFNESS TO BENDING IN THIS VIEW. DASH STAYS OPPOSITE FRAME, LOOKING FORWARD OR PERHAPS BACKWARD. TRY WITH AND WITHOUT SPHERICAL FIXING… | ||
| 141 | Four proposals for modifying an engine cylinder head for the India Chassis. | ||
| View original record | R. FROM E. C. to BJ. HS. BX. INDIA CHASSIS. X5770 X5000 X5050.X5060 ORIGINAL E1/M15.3.28. Owing to the position of the foremost and rearmost cyl. studs on the centre line of the engine, the present… | ||
| 142 | Proposal for battery ignition wiring on EAC.10, referencing blueprint LeC. 2526 and the 20HP chassis. | ||
| View original record | R. FROM E. Copy to RJ. " HS. " BT. ORIGINAL E2/M17.3.28. EAC.10. IGNITION WIRING. X8560 We send herewith blueprint of LeC. 2526., proposal for battery ignition wiring on EAC. 10. The bakelite elbow… | ||
| 143 | Centralised chassis lubrication schemes for the 'India 3' project, discussing drawings and alternative proposals. | ||
| View original record | ORIGINAL FROM DA. C. to HS. INDIA 3. - CENTRALISED CHASSIS LUBRICATION, ED. DA1/M17.3.28. X3806 X1360 We send herewith N. sch. 2561. shewing the application of centralised lubrication to the rear… | ||
| 144 | Alternative proposals for centralised chassis lubrication for the rear axle. | ||
| View original record | BY. [struck through] FROM DA. C. to Mr. HS. CENTRALISED CHASSIS LUBRICATION. ORIGINAL [stamped text] Handwritten Notes: X3806 [struck through], Y7350, Y7360 Herewith we send N. schs. 2565/B. shewing… | ||
| 145 | Two schemes for modifying an exhaust pipe flange to improve tolerance for lineability. | ||
| View original record | R. FROM E. C. to P.I. " HS. " BX. EAC.10. EXHAUST PIPE FLANGE. ORIGINAL E1/M20.3.28. X7230 Please find herewith a blueprint of LeC. 2532., dealing with the above. We have shewn 2 schemes for modifying… | ||
| 146 | Design choices for the India 3 engine, focusing on the cylinder head, induction system, and carburettor. | ||
| View original record | ORIGINAL R. } FROM R. HS. } (At Le Canadel.) BY. } REC'D, & DESPATCHED FROM WW. 24.3.28. R1/M21.3.28. C - to BJ, WOR, RG, FL. INDIA 3. ENGINE. Y5770 X5080 Y5050 YJ070 You send me quite a lot of good… | ||
| 147 | Attached drawings for the India 3 engine suspension. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL E4/M22.3.28. INDIA 3. ENGINE SUSPENSION. X5005 Please find attached drawings LeCs. 2534/5/6., dealing with the above. E. | ||
| 148 | Attached drawing LeC. 2532 for an exhaust pipe flange. | ||
| View original record | BY. FROM E. C. to BJ HS. ORIGINAL E5/M22.3.28. EAC.10. EXHAUST PIPE FLANGE. X7230 Please find attached drawing LeC. 2532., dealing with the above. E. | ||
| 149 | The provision for a thermometer bulb in a cylinder head, referencing blueprint LeC. 2533. | ||
| View original record | FROM E. C. to BJ. HS. RY. ORIGINAL E2/M22.3.28. EAC.10. PROVISION FOR THERMOMETER BULB IN CYLINDER HEAD V8560 Herewith please find blueprint of LeC. 2533., dealing with the above. We have carried the… | ||
| 150 | Referencing an attached drawing for a cylinder head thermometer. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL E6/M22.3.28. X 8560 EAC.10. CYLINDER HEAD THERMOMETER. Please find attached drawing LeC. 2533., dealing with the above. E | ||
| 151 | Disassembly and suggested modification of a frame cross component. | ||
| View original record | HS/RM. FROM DA. ORIGINAL. DA2/M22.3.28. X8380 X7380 Replying to HS/RM1/LG19328., we are returning the frame cross under separate cover, as requested. You will see that we have had it to pieces, and we… | ||
| 152 | The design of a rubber block engine suspension for the India 3 / 20HP chassis, comparing alternative designs. | ||
| View original record | R, FROM E. ORIGINAL C. to HS. EY. INDIA 3. ENGINE SUSPENSION. Y5005 /5380 We send you herewith blueprints of LeC. 2534/5. shewing a rubber block suspension for India 3. of similar pattern to EAC.14.,… | ||
| 153 | Letter suggesting three different body designs for the EAC.10 'SS' chassis. | ||
| View original record | DA/EW. SC.) FROM R. HS. BY.) (At Le Canadel.) S. to BO. WOR. PN. -O- CWB ORIGINAL R2/M23.3.28. REC'D, & DESPATCHED FROM WW. 27.3.28. X7830 X4555 X8530 CAR BODIES - EAC.10. TO BE KNOWN AS "SS". My… | ||
| 154 | Future car design improvements regarding body dimensions, rubber mounting, lighting, and instrument grouping. | ||
| View original record | (2) Regarding body dimensions, space efficiency should be watched. I have seen several bodies much too clumsy for the useful space available. We all think it makes such a definitely superior complete… | ||
| 155 | Design specifications and maintenance requirements for car batteries, with handwritten annotations. | ||
| View original record | DA/EV. } FROM R. EFC. } (At Le Canadel.) HS. } [Strikethrough] C - to BI WOR PN [Strikethrough] BY. GWB. C. [Strikethrough] EP. SC. [Stamp]: ORIGINAL Z R1/M23.3.28. REC'D. & DESPATCHED FROM WW.… | ||
| 156 | Design of exhaust and inlet valve guides for the Phantom Aluminium Head. | ||
| View original record | BY. FROM E. C. to BJ. HS. ORIGINAL. E2/M23.3.28. PHANTOM ALUMINIUM HEAD. X8050(struck through) X7060(struck through) LeC. 2464. X7050 X8060 X289 In reply to your BY8/G20.3.28., our requisition is… | ||
| 157 | Balance of a twin 5-cylinder engine, with comparisons to 10 and 6-cylinder engines. | ||
| View original record | HS/TSN. FROM E. ORIGINAL. E3/M24.3.28 X1482 Thank you for your report on the balance of the twin 5. engine. I notice you have already sent a copy to OY., so it is not therefore necessary for me to… | ||
| 158 | Modification to the induction pipe and cylinder head water jacket. | ||
| View original record | -R. FROM E. C. to BJ. HS. BY. EAC.10. CYLINDER HEAD. X7050 X7080 / X7070 Since sending you a blueprint of LeC. 2528. - Induction Pipe - we have made a modification as shewn on the attached further… | ||
| 159 | Drawing of an inlet pipe for the EAC.10 cylinder head and a proposed modification. | ||
| View original record | BY. FROM E. C. to - ~~RJ.~~ HS. EAC.10. CYLINDER HEAD. X7050 ~~X7080~~ ORIGINAL We send you herewith drawing LeC. 2526., shewing a drawing of an inlet pipe to suit the present type of carburetter for… | ||
| 160 | The dispatch of drawing LeC. 2528 for battery ignition wiring and awaiting feedback. | ||
| View original record | BY. FROM E. Copy to DJ. HS. ORIGINAL E2/M24.3.28. EAC.10. BATTERY IGNITION WIRING. X8560 We send you herewith drawing LeC. 2528., shewing the above. We are awaiting R's comments on this drawing. E. | ||
| 161 | Design of a bolted exhaust pipe joint with spherical seats for the 'SS' engine. | ||
| View original record | FROM R. (At Le Canadel.) ORIGINAL R3/M25.3.28. REC'D & DESPATCHED FROM WW. 28.3.28. C. to BJ. WOR. "SS" ENGINE - EXHAUST PIPE JOINT. X7230 LeC. 2532. BOLTED JOINT WITH SPHERICAL SEATS. The 2 schemes… | ||
| 162 | Steering performance and potential improvements for 20HP and 45HP models. | ||
| View original record | FROM R. (At Le Canadel.) C. to BJ. WOR. E. ORIGINAL R1/M25.3.28. REC'D, & DESPATCHED FROM WW. 28.3.28. X5430 X7430 20HP. & 45HP. STEERING. PN. says that the sports car was very good, but still… | ||
| 163 | Prioritising the India 3 chassis over the EAC. 10, detailing improvements from a 10,000-mile test. | ||
| View original record | BY: FROM DA. (struck through) Copy to - HS. ORIGINAL DA2/M26.3.28. INDIA 3. X5770 X5460 (struck through) X5380 With further reference to BY11/21328., we were assured by the Exp. Dept. that India 3. is… | ||
| 164 | Responding to a request, outlining plans for providing drawings of various vehicle components. | ||
| View original record | BY: FROM DA. Copy to - HS. DA1/M26.3.28. ORIGINAL E.A.C. 10. X7770 X663 In reply to BY11/G21328., we shall in the course of the next 2 or 3 days send you drawings of the following: (1) Steering column… | ||
| 165 | Outstanding design considerations for an exhaust, radiator, suspension, and front axle. | ||
| View original record | (2) (13) Exhaust cutout - as far as the silencer is concerned probably like EAC.7. The controls will be dealt with as soon as possible, but they do not appear to be a big job. In addition to the above… | ||
| 166 | Proposed semi-isolation scheme for the scuttle, requesting more detail before approval for Phantom production. | ||
| View original record | HS. FROM DA. ORIGINAL. DA6/M26.3.28. SEMI-ISOLATION OF SCUTTLE. X4613 X7500 With reference to the standardisation sheet being sent through for this, it is not definitely stated what semi-isolation… | ||
| 167 | Proposal and advantages of creating a new front axle forging for the 'SS' model. | ||
| View original record | BY. FROM DA. Copy to - BJ. HS. ORIGINAL DA5/M26.3.28. "SS" FRONT AXLE. X7420 You have been pointing out for some little while on your weekly reports that a new front axle would be required for "SS",… | ||
| 168 | 'SS' Side Steering Tube, referencing drawing N. sch. 2567. | ||
| View original record | BY. FROM DA. Copy to - HS. ORIGINAL. DA4/M26.3.28. "SS" SIDE STEERING TUBE. X7450 X7410 X7380. Herewith we send N. sch. 2567, shewing the layout of the steering, side steering tube, front end of… | ||
| 169 | Approval memo regarding 'SS' Battery Ignition Wiring diagram LeC. 2526. | ||
| View original record | B. } FROM R. HS. } (At Le Canadel) DT. } R2/M27.3.28. REC'D, & DESPATCHED FROM WW. 30.3.28. ORIGINAL "SS" BATTERY IGNITION WIRING. X.7560 LeC. 2526. seems quite good; no comments needed; go ahead. R. | ||
| 170 | Using magnesium for pistons to save weight in 6-cylinder car engines, comparing a German design. | ||
| View original record | BY. E. ) FROM R. HS. RG.) (At Le Canadel.) C. to RJ. WGR. FL. R5/M27.3.28. REC'D. & DESPATCHED FROM WW. 30.3.28. ORIGINAL x.4112 y3996 x1506 MAGNESIUM, ELECTRON, etc. PISTONS, etc. Still watch… | ||
| 171 | Approving modifications to the 'SS' carburetter and induction bend water jacket based on blueprint LeC. 2527. | ||
| View original record | E. } FROM R. HS. } (At Le Canadel.) RY. } Copy to BJ. WORT ORIGINAL R3/M27.3.28. REC'D. & DESPATCHED FROM WW. 30.3.28. X7080 ----- X7070 "SS" CARBURETTER & INDUCTION. Blueprint LeC. 2527. - I have… | ||
| 172 | Progressive vehicle development, performance improvements, and addressing design complexities in response to competitors. | ||
| View original record | HS. E. } FROM R. DA. BY. } (At Le Canadel.) Copy to BJ. WOR. R1/M27.3.28. REC'D. & DESPATCHED FROM WW. 30.3.28. 20HP X5770 X634 X3531 X5080 X5010 Owing to the improvements (HS/RM's report) made by our… | ||
| 173 | Use of a friction damper to resolve scuttle and dashboard issues on various car models. | ||
| View original record | HS. FROM DA/EV. C to BJ. R. re. 12-EX. SCUTTLE. X7500 X4613 x7430 ORIGINAL DA/EVL/M27.3.28. We are not convinced from what little we know about what happened on 15-EX. that the friction damper between… | ||
| 174 | Weak forward body support springs and a request for modification on the Barker car. | ||
| View original record | HS. FROM DA/EV. C. to BJ. R. BY. ORIGINAL RECEIVED 28 MAR 1928 DA/EV2/M27.3.28. X7830 X7380 X7410 EAC.14. - FORWARD BODY SUPPORT We note that the 50 lb. spring was too weak, and that the body lifted… | ||
| 175 | Reviewing and outlining experiments for the Phantom steering system, focusing on a new .900 large worm and damping friction. | ||
| View original record | DA.) FROM R. HS.) (At Le Canadel.) BY.) REC'D. R1/M28.3.28. DESPATCHED FROM WW. 2.4.28. C. to BJ. WOR. RG. OY. E. CWD. PN. PL. STEERING - PHANTOM ETC. Xs L 30 GENERAL REVIEW & EXP: .900 LARGE WORM. Y… | ||
| 176 | Improvements to steering systems, axle flexibility, and weight distribution. | ||
| View original record | (2) Hartford each side of the longitudinal flexibility. If it were found ( as one believes) to be most advantageous on the axle side of the longitudinal flexibility one naturally concludes that the… | ||
| 177 | Design and lubrication of the India 3 adjustable carrier wheel. | ||
| View original record | H. FROM E. C. to BJ. HS. BY. ORIGINAL E2/M31.3.28. Y5170 (struck through) Y411 (struck through) Y5000 INDIA 3. ADJUSTABLE CARRIER WHEEL. Please find herewith a blueprint of LeC. 2539., shewing the… | ||
| 178 | Sending proposals for various components for the rear end of a frame. | ||
| View original record | BY. FROM DA. C. to BJ. HS. ORIGINAL DA3/M/31.3.28. X7500 X7380 X7400 EAC.10. REAR END OF FRAME, ETC. Herewith we send N. schs. 2556/7/8/9/71., shewing our proposals for the spare wheel carrier,… | ||