Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Vibration issues and other faults on car 12-EX after 10,000 miles. | ||
| View original record | TO HS. FROM R. c.c. to BJ. BY. WOR. PN. CWB. ORIGINAL 4. Oct 1926 848 12-EX. - VIBRATION ETC. X634/X8010 X7300/X8010 R1/M1.10.26. With reference to 12-EX. which came to WW. on the 29th ult., this car… | ||
| Scan002 | Potential trial of a serrated drive for the Phantom clutch coupling shaft and modifications to the original joint. | ||
| View original record | TO OY FROM R. Copy to HS. ORIGINAL 4. OCT. 1926 840 R2/M2.10.26. PHANTOM CLUTCH. x7300/x8300 We have many times thought of trying a serrated drive on the clutch coupling shaft, but feared to try one.… | ||
| Scan003 | Modifications to the servo linkage and hand brake lever spring. | ||
| View original record | TO BY. FROM DA. C. to --BG-- HS. ORIGINAL DA1/M2.10.26. X7370 EAC.7. SERVO LINKAGE. Replying to BY/CGH6/H27926., we regret that the omission to shew the hand brake lever has caused us to take up too… | ||
| Scan004 | Confirming Mr. Royce's agreement to use nickel steel for the bolts in a double bolt pedestal type piston. | ||
| View original record | TO. BY/CGH FROM E. C. to - SS. HS. E1/M4.10.26. re. DOUBLE BOLT PEDESTAL TYPE PISTON. X8040 / X3996 Thank you for your memo. BY/CGH4/H29926., with chart. Mr. Royce is in agreement with using nickel… | ||
| Scan005 | Methods and challenges of creating reliable studded threads in aluminium. | ||
| View original record | TO HS. FROM R. C. to BJ. WOR (crossed out) RG. BY (crossed out) re. STUDDING IN ALUMINIUM. [STAMP: ORIGINAL] [STAMP: RECEIVED OCT 1926] [Handwritten: X3115] It is necessary to obtain a nice smooth… | ||
| Scan006 | Design revision for the Phantom carburetter throttle spindle, changing from ball bearings to roller bearings. | ||
| View original record | TO BY. FROM E. C. to -BJ. HS. RECEIVED 6 OCT 1926 Hs ORIGINAL E3/M5.10.26. PHANTOM CARBURETTER. X8080 Referring to your sch. No.809. shewing ball bearings on the throttle spindle of the carburetter,… | ||
| Scan007 | Design of a rear axle casing with hypoid gears, its assembly, adjustment, and component sourcing. | ||
| View original record | TO ~~BY~~ FROM DA. C. to ~~BJ~~ HS. ORIGINAL DA1/M6.10.26. EAC. 9. REAR AXLE. ~~X7350 / 2776~~ Herewith we send N. schs. 2275/6 shewing the rear axle casing for the above car with hypoid gears. It… | ||
| Scan008 | Methods to eliminate steering wobbles, including a new patentable idea for a self-righting spring mechanism. | ||
| View original record | TO B.A.) FROM R. HS.) RECEIVED OCT 8 1926 Hs R2/M6.10.26. STEERING WOBBLES X235/7457 N8430 If we can eliminate low and high speed wobbles by the use of the new axle, and by the hydraulic shock dampers… | ||
| Scan009 | Scheme 2278 for the 20HP battery-in-frame, its testing, and a query about caulked plugs. | ||
| View original record | TO BY. FROM DA. C. to BJ. HS. ORIGINAL DA1/M8.10.26. 20HP. - BATTERY IN FRAME. X5735 Herewith we send N. scheme 2278. in which we have taken the particulars of the position of the frame, the battery,… | ||
| Scan010 | Purchase of a Sizaire car and outlining potential improvements to front axle design, suspension, and steering. | ||
| View original record | TO HS. FROM R. Copy to BJ ORIGINAL. re. PURCHASE OF A CAR. It has occurred to me that it may be preferable to have one of the Sizaire cars rather than a Lorraine-Dietrietch, because of the novel… | ||
| Scan011 | Urgent internal memo discussing valve timing adjustments for the Aluminium Phantom engine. | ||
| View original record | TO HS. FROM R. URGENT R1/M9.10.26. re. ALUMINIUM PHANTOM ENGINE. X8770 X8070 X8840 X8230 X8060 ORIGINAL. Regarding the power of the Phantom engine we want to hold open the inlet valves longer than on… | ||
| Scan012 | Causes of gumming pistons, ranking various lubricating oils, and considering piston design. | ||
| View original record | TO HS. FROM R. C. to BJ. WOR. [Struck through] [STAMP: ORIGINAL RECEIVED OCT 13 1926] re. GUMMING PISTONS. [HANDWRITTEN: X3996 X858 (Struck through) X8040 X1588] It is difficult to understand why… | ||
| Scan013 | Hydraulic damper design to improve steering by increasing the lean of pivot. | ||
| View original record | TO HS. FROM R. c.c. BJ. " WOR. " DA. " DY. Mr. CLAREMONT. STEERING - HYDRAULIC DAMPERS LEAN OF PIVOT. You will see in various memos. that I have suggested an increase of the lean provided we can rely… | ||
| Scan014 | Use of a cast magnesium alloy for the lighter Phantom engine's valve rocker cover. | ||
| View original record | FROM E. Copy to HS. re. LIGHTER PHANTOM ENGINE. X8090 X8820 Referring to the valve rocker cover of the lighter Phantom engine, we should prefer to retain this as a casting rather than use the sheet… | ||
| Scan015 | Piston leakage and the necessity to test at various pressures, not just various speeds. | ||
| View original record | TO HS. FROM R. Copy to BJ " RG " BY ORIGINAL R1/M14.10.26. re PISTON LEAKAGE. X8040 X858 I imagine that new pistons if well made are very gas tight until a certain pressure occurs on top of the… | ||
| Scan016 | Magneto drive slip and camshaft drive failure, including proposed solutions. | ||
| View original record | J. R2/M16.10.26. X8070 X8090 X8100 ORIGINAL TO HS. FROM R. C.c. to BJ. RG. BY. (text is struck through) MAGNETO DRIVE SLIP & CAMSHAFT DRIVE FAILURE. The camshaft drive we have decided to make solid.… | ||
| Scan017 | Proposed shield for 20HP shock dampers and a related modification for the forward shock damper bolt. | ||
| View original record | TO BY. FROM DA. ORIGINAL DA4/M19.10.26. C. to - BJ. HS. 20HP. SHOCK DAMPERS. X5520 Herewith we send N. scheme 2285. shewing the proposed shield for protecting the body of the shock damper from stones.… | ||
| Scan018 | Need to improve vehicle qualities beyond horsepower, focusing on the Phantom & Goshawk models. | ||
| View original record | TO HS. FROM R. C.C. TO. RG. [REDACTED] BY. H. [REDACTED] DA... [REDACTED] ORIGINAL [STAMP] RECEIVED OCT 29 1928 [STAMP] PHANTOM & GOSHAWK. RECEIVED [STAMP] [Handwritten:] X8770 X8830 X5770 X5830 X8500… | ||
| Scan019 | Series of questions regarding the performance characteristics and potential faults of a Lorraine-Dietrich car. | ||
| View original record | TO HS/RM. FROM R. C. to BJ. DA. ORIGINAL RECEIVED 28 OCT 1926 R1/M27.10.26. re. LORRAINE DEITREICH. X3588 What are the agreed virtues and faults of this car - i.e. - (1) Is it powerful beyond what you… | ||
| Scan020 | Comparing the 20HP chassis with competitors seen at a show, suggesting specific steering and suspension improvements. | ||
| View original record | TO RG. HS.) FROM R. E. DA.) HS/RM.) Copy to ES. R3/M27.10.26. X3588 X2924 X3531 CONFERENCE AT WW. ON 27/10/26. RG. HS. E. DA. & HS/RM. should consider my notes, and send E. to me for any decisions… | ||
| Scan021 | Confirming a design suggestion for a Lighter Phantom cylinder head to achieve single flow turbulence. | ||
| View original record | TO HS. FROM E. Copy to [illegible] [STAMP: ORIGINAL] [STAMP: RECEIVED OCT 29 1926] E2/M28.10.26. re. LIGHTER PHANTOM CYL. HEAD. X8050/43867 This note is to confirm our suggestion to use one lip only… | ||
| Scan022 | Revised luggage grid for the Phantom model. | ||
| View original record | ORIGINAL TO BY. FROM DA. Copy to BJ. Copy to - HS. DA1/M28.10.26. +8460 X8400 40/50. LUGGAGE GRID. Herewith we send N. scheme 2286. shewing the revised luggage grid for Phantom, using the existing… | ||
| Scan023 | Modifications to the hypoid gear rear axle. | ||
| View original record | TO BY. FROM DA. Copy to - HS. EAC. 9. & 10. HYPOID GEAR - REAR AXLE. Herewith we send N. scheme 2287. shewing the slight modifications to the rear axle gearbox to enable lower ratio gears to be got… | ||
| Scan024 | Mr. Royce's wish to test lower gear ratios on the 20HP model, with a proposal for a 5.2 ratio spiral bevel gear. | ||
| View original record | TO RY FROM DA. C. to -BJ. HS. ORIGINAL DA2/M29.10.26. 20HP. BEVEL GEARS. Mr. Royce wishes to try lower gearz ratios on the 20HP. This will be done probably in connection with the hypoid gear axle for… | ||
| Scan025 | Design and specifications for hypoid gears, comparing different ratios and schemes. | ||
| View original record | TO BY [struck-through] FROM DA. C. to Bdr. HS. ORIGINAL EAC.9. & 10. HYPOID GEARS. DA1/M29.10.26. X2066 X7310 Herewith we send N.scheme 2291. shewing a 11/41 hypoid gear which gives almost exactly the… | ||
| Scan026 | Request for a copy of a mislaid note regarding friction requirements for the ball ends of the steering gear. | ||
| View original record | TO HS/RM. FROM DA. ORIGINAL DA3/M30.10.26. STEERING. X8430 X8428 A little while ago you sent us a short note giving your final requirements as regards friction on the ball ends of the steering gear.… | ||
| Scan027 | Magnetos, comparing Lucas unfavourably with Watford and Bosch, and recommending the adoption of a Watford non-sleeve type. | ||
| View original record | TO EFC.) FROM R. R6/M2.11.26. 2 ORIGINAL (stamp) Re. MAGNETOS. LUCAS, WATFORD, ETC. X8793 X7791 We fear to fit Lucas magnetos because they have such a bad reputation, whereas Watfords are considered… | ||
| Scan028 | Suggesting a trial of a new simplified sequence starter for the 20HP model. | ||
| View original record | TO: FFG. ) FROM R. HS. ) S. to Mr. Wor. ORIGINAL R7/M2.11.26. X7650 X5650 20HP. & 40/50 SEQUENCE STARTER. HS. suggests we try our simplified sequence starter on the 20HP. because the present RR. Bijur… | ||
| Scan029 | Suggesting a trial of a simplified sequence starter for the 20HP model. | ||
| View original record | BY.) (struck through) TO EFC.) FROM R. ORIGINAL. HS.) (struck through) C. to DJ. WOR. 20HP. & 40/50 SEQUENCE STARTER. R7/M2.11.26 X5650 (handwritten, struck through) X7650 X7655 (handwritten) HS.… | ||
| Scan030 | The faults and performance of a competitor's 20HP Lorraine Detreich car. | ||
| View original record | TO BJ. HS/RM.) FROM R. C. to WGR. PN. HM. CWB. EP. " Mr. MINCHIN ORIGINAL R1/M2.11.26. 20HP. LORRAINE DETREITCH. X3588/4684 I thought this might be a very definite competitor, and from reports it… | ||
| Scan031 | Methods to increase power from a 20HP engine and requesting an estimate on the expected results. | ||
| View original record | TO E. ) FROM R. HS. ) ORIGINAL R9/M2.11.26. 20HP. X5770 X5771 X5230 Several times we have started out to get more power from this engine by - (1)........ Improved exhaust. (2)........ Slightly higher… | ||
| Scan032 | Potential steering stiffness from spring-loaded ball joints if not properly lubricated. | ||
| View original record | TO HS/RM. FROM DA. ORIGINAL STEERING. DA1/M2.11.26. X8430 8420 With further reference to the question of spring loaded ball joints on the steering, unless these can be kept well and constantly… | ||
| Scan033 | Improvement of the 20HP radiator by fitting vertical shutters. | ||
| View original record | D.A.) TO BY.) FROM R. HS.) ORIGINAL R8/M2.11.26. re. 20HP. RADIATOR. *5250 We wish to improve the appearance of the 20HP. by fitting vertical shutters. These should open and close positively like the… | ||
| Scan034 | Two options for the Phantom throttle governor control and issues with silencer explosions. | ||
| View original record | TO HS. FROM R. [Text crossed out: C. to BJ. OY. " BY. PN. " E. GWB.] ORIGINAL PHANTOM THROTTLE. X93 X8140 Originally this was fitted without a governor, opened positively a small amount by hand… | ||
| Scan035 | Modifications to the 20HP cast dash to make it suitable for use with a subframe. | ||
| View original record | FROM DA. C. to HS. ORIGINAL DA2/M4.11.26. 20HP. CAST DASH ETC. X5500 Since the 10,000 mile 20HP. car is to have a subframe body we have gone over the cast dash again with a view to making it suitable… | ||
| Scan036 | New large diameter petrol tank filler and suspension link alterations for the 20HP car. | ||
| View original record | TO BY. FROM DA. C. to B.J. HS. ORIGINAL DA1/M4.11.26. 20HP. PETROL TANK FILLER. X.5460 X3701 Herewith we send N. scheme 2247. shewing the large diameter filler for the 20HP. petrol tank. It will be… | ||
| Scan037 | Calculations for steering friction plates and damper ball ends. | ||
| View original record | TO HS/RM. FROM DA. ORIGINAL DA4/M4.11.26. STEERING. X8425 We have discovered our copy of HS/RM2/T21026., and apologise for having troubled you. We are not quite sure that we understand the figures… | ||
| Scan038 | Testing of a 20HP Lorraine Dietrich and a suggestion for a simple accumulator charge indicator. | ||
| View original record | TO B.J. FROM R. Copy to - HS. ORIGINAL 20HP. LORRAINE DIETRICH. Many thanks for your remarks regarding my notes on the Lorraine-Dietrich. I telephoned to Mr. Minchin and he has now sent his copy back.… | ||
| Scan039 | Modifications to the new front axle to adjust friction and improve steering. | ||
| View original record | TO HS/RM. FROM DA. ORIGINAL DA1/M5.11.26. X8300 X9425 X8420 X8430 X235 FRICTION IN NEW FRONT AXLE. With reference to your proposal to increase the friction on the ball ends, increasing the dia. of the… | ||
| Scan040 | Potential improvements to the Phantom steering system, including strengthening a pendulum lever and adding a hydraulic damper. | ||
| View original record | HS. ) TO DA. ) FROM R. BY. ) C. to BJ. WCR. ORIGINAL PHANTOM STEERING [Handwritten] X84230 X235 Naturally the pendulum lever which broke should be strengthened; although it was not broken by fair… | ||
| Scan041 | New scheme for a reinforced Phantom pendulum lever following a breakage, recommending immediate production. | ||
| View original record | TO BY. FROM DA. C. to HS. ORIGINAL PHANTOM PENDULUM LEVER. DAL/M6.11.26 X8430 X457 Herewith we send N. scheme 2297. shewing reinforced Phantom lever. This has been done on account of the breakage to… | ||
| Scan042 | Improvements for the Phantom throttle valve, addressing sticking issues, design modifications, and related heating systems. | ||
| View original record | TO HS. FROM R. ORIGINAL R3/M6.11.26. X8080 X8230 X8070 PHANTOM THROTTLE VALVE. We are anxiously awaiting your report on the improvements in the behaviour of the engine with the throttle fitted with… | ||
| Scan043 | Improving Mean Effective Pressure (MEP) for 20HP and 40/50 engines. | ||
| View original record | TO E. & HS. FROM R. C. to BJ. WOR. BY. ORIGINAL R1/M8.11.26. Handwritten numbers: X8771 X5771 X634 X8010 X8060 20HP. & 40/50. ENGINES Better MEP. needed for the above - maximum HP. just under master… | ||
| Scan044 | Request for a new 20HP engine cylinder head casting with several design improvements. | ||
| View original record | TO E. FROM R. C. to --BJ. " --WOR. " --DY. " HS. ORIGINAL 2 R7/M8.11.26. 20HP. ENGINE. X.5050 X5080 We want a new cylinder head casting with freer passageways, anti-detonating, and carburetter on left… | ||
| Scan045 | Requesting the setup of splashers in bicycle and Bugatti styles for the 20HP and 40/50 models. | ||
| View original record | TO BA.) FROM R. HS.) C. to BJ. " WOR. " BY. 20HP. & 40/50 SPLASHERS. We should like some splashers set out for the 20HP. of bicycle type (Sunbeam), and for the 40/50 of the Bugatti splayed type (as… | ||
| Scan046 | Short memo querying the location of an engine, clutch, and back axle. | ||
| View original record | TO HS. FROM R. ORIGINAL R6/M8.11.26. Copy to BJ. " WOR. " BY. EAC. 7. X7770 X7396 X7860 Where is EAC. 7. and its lighter engine, clutch, and back axle? R. | ||
| Scan047 | Modifications for a 20HP engine, specifying a stiffer crankshaft, longer bearings, and up-to-date webs. | ||
| View original record | TO-E.) FROM R. HS.) C. to BJ. " WOR. " BY. 20HP. 5010 R2/M8.11.26. The above should have a stiffer crank-shaft, longer bearings and up-to-date webs. R. | ||
| Scan048 | Requesting top gear ratios for the 20HP and 40/50 models to achieve specific maximum speeds without vibration. | ||
| View original record | TO -BA.) FROM R. HS.) Copy to - BJ. " WOR. " BY. R3/M8.11.26. ORIGINAL 20HP. & 40/50 GEAR RATIOS. X8310 ----- X5310 X634 We want a top gear ratio suitable for a maximum speed of 100 MPH. on the… | ||
| Scan049 | Requirements for a light, narrow, and silent saloon body for the 20HP chassis. | ||
| View original record | TO BA. FROM R. C. to - BJ. " " MOR. " " BX. " " HS. SALOON BODY FOR 20HP. CHASSIS. X5830 Kindly take up with the Sales the question of obtaining a light, narrow, and silent saloon, for the 20HP.… | ||
| Scan050 | Suggesting a comparison test between the Lorraine car and a 20HP chassis by swapping their carburetters and induction systems. | ||
| View original record | TO HS. FROM R. Copy to BJ (struck through) B.I. ORIGINAL R8/M9.11.26. re. LORRAINE CAR. X3587/XS580 (struck through) V5070 I think it would be worth while to rig up one of our 20HP. carburetters on… | ||
| Scan051 | Desired car bodies for the 20HP model and competitor analysis following a visit to the Olympia Motor Show. | ||
| View original record | TO BJ. WCR. ) FROM R. HS. ) FN. ) ORIGINAL R1/M9.11.26. OLYMPIA VISIT. X631 X5830 (1) I am very anxious that we have for sale a really light and silent saloon body for the 20HP. I think it would have… | ||
| Scan052 | Requesting design information for redesigning a starter motor for the EAC chassis. | ||
| View original record | To ~~FFC~~ FROM AJS C. to ~~BY~~ HS ORIGINAL SEQUENCE STARTER. In redesigning this starter for EAC. chassis we shall endeavour to eliminate the epicyclic reduction gear, by using a smaller starter… | ||
| Scan053 | Redesign of a starter motor for an EAC chassis, including gear ratios, torque, and power calculations. | ||
| View original record | TO EFC. FROM AJS. C.c. to DJ. BY. HS. (Struck through) ORIGINAL (Stamped) SEQUENCE STARTER (Stamped) AJS1/M9.11.26. X7625 (Handwritten) In redesigning this starter for EAC. chassis we shall endeavour… | ||
| Scan054 | Inquiry into the detonation characteristics of Anglo-Persian BP petrol and potential anti-knock additives. | ||
| View original record | TO HS. FROM R. re. ANGLO-PERSIAN BP. PETROL. X985 We are interested in this because it is a British Co., but I understand their standard spirit is more prone to detonate than say Shell. Is this so?… | ||
| Scan055 | Engine performance improvements through increased MEP and compression ratio, noting limitations from detonation and proposing solutions. | ||
| View original record | TO HS. } FROM R. C.C. to P.I. " WCH. " B.T. ORIGINAL R2/M9.11.26. BETTER MEP. AT ALL SPEEDS UP TO 3000 RPM. & 4 1/2 COMPRESSION RATIO. X684 X8771 X8005 This cannot be increased because of detonations… | ||
| Scan056 | Design and setup for 20HP & 40/50HP steering buffer springs and ball joints. | ||
| View original record | TO HS. FROM R. ORIGINAL STEERING 20HP. & 40/50. BUFFER SPRINGS ETC. Regarding the longitudinal tube ball end we now have involved the following objects - In order of (1) Safety - ample clearance &… | ||
| Scan057 | Proposal from 'R' to 'HS' to fit a Lorraine-style carburetter and induction system to the 40/50 lightweight engine. | ||
| View original record | TO HS. } FROM R. ORIGINAL R2/M11.11.26. LORRAINE AND 40/50. X3388 (struck through) X8080 (struck through) X8230 Can we not put on our 40/50 lightweight engine a carburetter and induction system like… | ||
| Scan058 | Requesting additional data for amps and efficiency for each torque value. | ||
| View original record | TO EFC. FROM AJS. ORIGINAL SEQUENCE STARTER. RECEIVED 16 XI 1926 AJS3/M15.11.26. / X7610 Thank you for your EFC1/T131126., and the enclosed curve of torque and revs. Would you kindly let us have also… | ||
| Scan059 | Trial of a new aluminium head on the vacuum tank, selected by Mr. Royce. | ||
| View original record | TO | ||
| Scan060 | Suggestions to improve riding and steering qualities by reducing front-end weight on the Phantom model. | ||
| View original record | TO HS. FROM R. Copy to BJ. " WC. " DV. ORIGINAL RECEIVED Hs NOV 18 1926 R4/M16.11.26. PHANTOM. X8770 X8430 X8410 The riding, and steering, qualities can be improved by reducing the weight on the front… | ||
| Scan061 | Provision of high gear ratios for 40/50 and 20HP cars. | ||
| View original record | TO BY.) FROM DA. HS.) GEAR RATIOS. DA3/M16.11.26. Handwritten: X8310 X7310 X5310 Stamp: RECEIVED NOV 18 1926 With reference to R3/M81126., we have looked into the question of providing high gear… | ||
| Scan062 | Road test of a car with a Barker-Beatonson all-weather body, detailing various performance issues. | ||
| View original record | TO R.R. FROM DA/EV. BARKER-BEATONSON ALL-WEATHER 7-EX. Copy to - HS. RECEIVED STAMP: NOV 18 1926 The writer took delivery of this car from Barkers late on Friday night, and drove it to WW. The body is… | ||
| Scan063 | Modifications to a Sports Phantom to achieve 100 MPH. | ||
| View original record | TO HS/RM. FROM DA/EV. SPORTS PHANTOM DA/EV2/M17.11.26. V9714 x8830 We thank you for HS/RM2/LG11126. In view of your remarks we have looked into the question of how we can achieve the features… | ||
| Scan064 | Complaints and proposed solutions for Phantom & 20HP models regarding springing, brake servo, and throttle sticking. | ||
| View original record | TO BG.) FROM R. HS.) R2/M18.11.26. [Handwritten, struck through] Go to WOR. BY. Dr. E. ORIGINAL [Stamped] PHANTOM & 20HP. COMPLAINTS. [Handwritten Annotations] X 4117 / X 4118 X5770 / X8770 Referring… | ||
| Scan065 | Steering, heat, and wobble defects on a chassis and the proposed solutions. | ||
| View original record | (2) ought to be prepared to accept something which is screwed on and sweated. STEERING. We do not believe that the 1⅛" pitch steering will ever be satisfactory. This will have to be changed to the… | ||
| Scan066 | The analysis and proposed solutions for failing 20HP side steering tubes. | ||
| View original record | TO BY.) FROM R. HS.) C. to BJ. DA. ORIGINAL R1/M18.11.26. 20HP. SIDE STEERING TUBE. (71-A-8.) X52650 In reply to your memo. BY12/H161126. Since these tubes have stood 10,000 mile tests several times,… | ||
| Scan067 | Request to arrange the fitting of a spare wheel and luggage carrier to car 7.EX for Mr. Royce. | ||
| View original record | to HS from EV. copy to Hs. ORIGINAL EV2/19.11.26 RE REAR WHEEL AND LUGGAGE CARRIER FOR 7.EX. X8600 X8400 Mr Royce asked the other day whether we could arrange for a spare wheel and luggage carrier of… | ||
| Scan068 | Requesting technical details about the unsatisfactory steering on Mr. Royce's Car 7-EX. | ||
| View original record | TO HS. FROM DA. MR. ROYCE'S CAR 7-EX. [STAMP] RECEIVED NOV 22 1926 [STAMP] ORIGINAL [HANDWRITTEN AND CROSSED OUT] X8952 X8650 X8430 X8425 The steering on this car is not entirely satisfactory, and it… | ||
| Scan069 | Confirming a phone conversation about proposed alterations to the Phantom model to address complaints. | ||
| View original record | TO HS. FROM R. Copy to BJ. " WOR. " BY. PHANTOM COMPLAINTS. R2/M20.11.26. XC417 X8430 X8770 X8440 X8140 Confirming our 'phone conversation of this morning. In the memo. I have already sent to Derby I… | ||
| Scan070 | Providing feedback on the performance of experimental cars 8-EX and 7-EX, detailing impressions and required modifications. | ||
| View original record | TO HS. FROM R. 8-EX. (VISITING CAR TO WW. LAST WEEK-END.) 7-EX. R's BEATONSON HEAD CAR. I wish to confirm that 8-EX. with the large limousine body, which left here on Saturday last, impressed me as… | ||
| Scan071 | Use of ball and roller bearings and throttle alteration for the Phantom Throttle Governor. | ||
| View original record | TO HS. FROM R. C. to BJ. WCR. BX. EP. PHANTOM THROTTLE GOVERNOR.R3/M22.11.26. ORIGINAL X8140 We have now received your particulars as to the effect of the various ball and roller bearings, and we… | ||
| Scan072 | Requesting vehicle modifications and checks for car 7-EX, including wheel carriers, auto advance, and dampers. | ||
| View original record | TO HS. FROM R. 7-EX. ORIGINAL R1/M24.11.26. X8600 X8992 X235 If possible will you fit one of the spare wheel carriers at the back, for when there is no luggage, correct auto advance, and possibly a… | ||
| Scan073 | Confirming an agreement to increase piston ring pressure and dimensions. | ||
| View original record | TO HS. FROM R. & E. C. to BJ. RG. BY. PISTONS. ORIGINAL R2/M25.11.26. X3996 X2103 We understand it is now definite-ly agreed that the piston rings shall be increased in pressure on the cylinder walls… | ||
| Scan074 | Company policy, advocating for production flexibility and perfection over low-cost specialisation. | ||
| View original record | TO BJ. FROM R. (BJ is struck through) Copy to - HS. RR. POLICY. X3993 (written over a struck-through X3054) ORIGINAL (stamp) R3/M25.11.26. X444 (handwritten) CEO A.D.O. 26 NOV 1926 (stamp) The memo. I… | ||
| Scan075 | List of required work and noted faults on the 7EX Allweather car before it is sent to France. | ||
| View original record | to HS from EV. HS. ORIGINAL EV1/25.11.26. RE 7EX. ALLWEATHER. X8992 X8770 X8830 Attached hereto is a list of work which we wish carried out on the above car by the coachbuilders before it goes to… | ||
| Scan076 | Letter to coachbuilder Barker & Co Ltd detailing issues with Mr. Royce's car, including leaks, squeaks, and door strap problems. | ||
| View original record | HB EV1/ 23.11.26. Messrs Barker & Co Ltd. Olaf Street, Latimer Road, Shepherds Bush. LONDON. 2 XXXXXXXX "CAMACHA". WEST WITTERING. NR. CHICHESTER. SUSSEX. November.23rd.1926. RE 7.EX Dear Sirs, Mr… | ||
| Scan077 | Letter detailing outstanding bodywork faults on a car and arranging for their rectification. | ||
| View original record | (2) (3) The head leather flaps against the cantrails and makes aloud noise when going at speed. The fasteners themselves rattle and several will not remain closed. Could we have a more effective type… | ||
| Scan078 | Test results and comparison of a Packard Straight 8 engine against the company's own 6-cylinder designs. | ||
| View original record | TO R.J. FROM R. C. to WGH. B.Y. HS. EP. re. PACKARD STRAIGHT 8. X435/X634 test The test of the above car yesterday confirms some of our views. With the 8 cylinder in line scheme an engine for car work… | ||
| Scan079 | The difficulty in designing a body for chassis EAC. 7 and suggesting temporary alternatives. | ||
| View original record | TO HS. FROM DA/EV. DA/EV1/M25.11.26. [Stamped and Handwritten Text:] ORIGINAL RECEIVED NOV 26 1926 Hs EAC. 7. X7770 X7820 We thank you for your HS1/LG181126. We have had considerable difficulty in… | ||
| Scan080 | Modified bonnet fastener design for the Phantom model and a request to fit them to Mr. Royce's car. | ||
| View original record | to HS from DA/EV. cpy to HS EV2/25.11.26. x7260 X8260 RE PHANTOM BONNET FASTENERS. We send herewith N.Sch.2312. shewing a design of modified bonnet fastener for the Phantom to overcome troubles now… | ||
| Scan081 | Front wheel braking and steering, proposing a reduction in front brake bias and servo effectiveness. | ||
| View original record | TO HS. FROM R. C. to BJ. WOR. (struck through) BY. DA. (struck through) PN. (struck through) ORIGINAL (stamped) R1/M25.11.26. re. FRONT WHEEL BRAKING. AND STEERING. X8430 X9940 (handwritten) X8430… | ||
| Scan082 | Proposed improvements for the 10-EX Blue Semi-Sports Car, including engine and bodywork modifications. | ||
| View original record | TO B.J. FROM R. Copy to - HS. ORIGINAL R1/M26.11.26. 10-EX. - BLUE SEMI-SPORTS CAR. X8797 I understand from your memo. BJ1l/E251126., (to R. only,) that you agree we should spend a small amount of… | ||
| Scan083 | Modifying Phantom steering box lubrication compared to the old Silver Ghost model. | ||
| View original record | TO HS. FROM R. C. to BJ. BY. [Text is struck through] ORIGINAL STEERING. X8430 X8980 The designers at 'Camacha' have discussed the steering on the lines that perfect lubrication of the present Phantom… | ||
| Scan084 | Proposing a heat shield for the Phantom model's exhaust silencer to address complaints of excessive heat. | ||
| View original record | TO [REDACTED] FROM DA. C. to - [REDACTED] HS. ORIGINAL DA2/M26.11.26. PHANTOM - HEAT SHIELD FOR EXHAUST SILENCER. X8230 X3908 Herewith we send N. sch. 2311. shewing the proposed shield between the… | ||
| Scan085 | Issues with bonnet fastenings and proposing improvements with a new cast dash design. | ||
| View original record | TO B.J. FROM R. Div. Copy to WCR BY HS. ORIGINAL R2/M26.11.26. X7500 ✓ X7260 ✓ CAST DASH, AND BONNET FASTENINGS. It is with sadness that I admit that our bonnet fastenings are not nearly first class.… | ||
| Scan086 | Trip with a 10-EX chassis, proposed model improvements, and designs for new petrol pump systems. | ||
| View original record | TO HS. FROM R. C. to BJ. WOR. BY. (Struck through) SECRET ORIGINAL R4/M29.11.26. 10-EX. and CHASSIS GENERALLY FOR SOUTH OF FRANCE. X8774 X8992 I suggest we try running this with one spare wheel, and… | ||
| Scan087 | Development and advantages of a new cast dash and bonnet design. | ||
| View original record | TO BJ. FROM DA. Copy to - WCR, DY, HS. [STAMP] ORIGINAL [STAMP] RECEIVED DA5/M1.12.26. [Handwritten Notes] Hs [STAMP] DEC 3 1926 X7260 [crossed out] X8500 X7500 [underlined] CAST DASH AND BONNET… | ||
| Scan088 | Modifications to the servo brake mechanism to reduce front braking power. | ||
| View original record | ORIGINAL TO DY.) FROM DA. HS.) SERVO BRAKE MECHANISM. DA2/M1.12.26. X7370 V8370 With reference to the servo brake opera-tion we have wired you suggesting that the existing standard cam angle should be… | ||
| Scan089 | Modifications and concerns regarding the 20HP chassis, including body weight, back axle ratio, and engine improvements. | ||
| View original record | TO BJ. FROM R. C. to HS. DA. E. BY. IHS. SG. R2/M3.12.26. re. 20HP. BACK AXLE RATIO, WEIGHT OF BODIES ETC. X5350 X5830 X4538 X8350 You will remember that I have always disagreed with a large and heavy… | ||
| Scan090 | Confidential memo discussing the merits and drawbacks of six and eight-cylinder engines, referencing Packard and Daimler. | ||
| View original record | TO: BJ. LORD WARGRAVE (Struck out) MR. CLAREMONT (Struck out) LHS. (Struck out) Mr. FULLER. ) RR. OF Mr. OLLEY. ) AMERICA Mr. NADIN. ) INC. MR. BAGNALL (Struck out) WORKS (Struck out) HS. (Struck out)… | ||
| Scan091 | Alternative back axle ratios for the 'India Back Axle', suggesting the 10/47 gear be tried first. | ||
| View original record | ORIGINAL TO BY. FROM DA. C. to DJ. HS. DAL/M4.12.26. INDIA BACK AXLE. X5350 R. has written you on the subject of the back axle ratios. Of the three alternatives he proposes he prefers 10/47. We send… | ||
| Scan092 | Proposed body modifications for car 10-EX under scheme 2307. | ||
| View original record | TO RY. FROM DA/EV. Copy to - HS. Stamp: ORIGINAL PHANTOM - 10-EX. Handwritten: (8774 / 8830) Hs We send herewith N. scheme 2307., shewing the proposed modifications to the body of 10-EX., which R.… | ||
| Scan093 | With a sketch proposing tests for new induction pipes for the Phantom. | ||
| View original record | TO HS. FROM R. C. to BJ. BY. ORIGINAL. PHANTOM INDUCTION PIPES. [Handwritten and crossed out] X8070 [Handwritten] X880 As soon as time permits we shall make designs for some new induction pipes for… | ||
| Scan094 | Proposed new front axle control for the Phantom model and an urgent related experiment. | ||
| View original record | TO BY. FROM DA. C. to - DJ. HS. ORIGINAL FRONT AXLE CONTROL. 16085DA3/M4.12.26. Y8420 X235 Hs Y8430 X8230 ? 1928 We send herewith N. schs. 2293/4. Shewing the proposed front axle control, using the… | ||
| Scan095 | Drawing LeC.2330 for a Phantom direct drive starter motor and a change in its positioning. | ||
| View original record | TO. FROM AJS. C. to - EPC. PHANTOM STARTER MOTOR ORIGINAL RECEIVED 8 DEC 1926 X7625 X7655 We send you herewith drawing LeC.2330., shewing Phantom direct drive 13 to 1 ratio starter motor, the… | ||
| Scan096 | Modifications to the Phantom's engine torque damper and timing case as per Mr. Royce's instructions. | ||
| View original record | TO - [REDACTED]. FROM DA. C. to - [REDACTED]. HS. ORIGINAL DA2/M9.12.26. PHANTOM FRONT AXLE CONTROL. X8420 K8005 Herewith we send N. scheme 2295. giving you the information promised with reference to… | ||
| Scan097 | Modifications and an improved fastener for the Phantom Bonnet. | ||
| View original record | TO ~~RV.~~ FROM DA. C. to ~~BJ.~~ HS. PHANTOM BONNET. (Handwritten: 8260 x7500 / x8500) (Stamp: ORIGINAL) Herewith we send N. sch. 2319. shewing certain modifications to the bonnet to improve… | ||
| Scan098 | Design changes for a new, more silent Phantom Magneto and its application to the 20HP model. | ||
| View original record | ORIGINAL TO EFC. FROM R. Copy to PHANTOM MAGNETO. X7791 Mr. North promises a more silent magneto, and one which affects the control less. There is to be - No magnetic effect, due to absence of sleeve,… | ||
| Scan099 | Outlining proposed coachwork modifications for the Experimental Phantom 10-EX at Barkers. | ||
| View original record | TO C.H. FROM DA/EV. ORIGINAL DA/EV2/M11.12.26. Copy to - HS. X8774 X8830 re. EXPERIMENTAL PHANTOM 10-EX. We have left this car at Barkers to have modifications made to its coachwork, and have… | ||
| Scan100 | Chassis modifications, including fitting a new pendulum lever cover, petrol tank, and a distant reading petrol gauge. | ||
| View original record | TO HS. FROM DA/EV. ORIGINAL DA/EV1/M11.12.26. 10-EX. 19724 48460 As previously mentioned we wish you to immediately modify the chassis at Barkers by fitting the new pendulum lever cover, removing the… | ||
| Scan101 | The need for a more explanatory and up-to-date list of recommended accessories. | ||
| View original record | TO HS.) FROM R. Copy to C. re. RECOMMENDED ACCESSORIES. X3594 X8580 I do not think our list of accessories is sufficiently explanatory. I will, while at Le Canadel, try to explain my meaning: it… | ||
| Scan102 | Adjustments to the brake distribution and servo system for 40/50 and 20HP models to improve safety. | ||
| View original record | TO HS. FROM R.. Copy to BJ. ORIGINAL 40/50. & 20HP. BRAKE DISTRIBUTION. X.8420 X8370 X5420 The object of my suggestion re. the above was - (1) To decrease the risk of steering taking charge by front… | ||
| Scan103 | Use of double shock dampers on 40/50 & 20HP cars for high-speed use. | ||
| View original record | TO HS. FROM R. C. to BJ. WOR. " BY. CWB. " PN. OY. ORIGINAL R2/M13.12.26. 40/50 & 20HP. CARS FOR SPEED. X469 X235 Y4426 When you have to prepare cars for speed merchants, I believe we ought to fit… | ||
| Scan104 | Requirements for coachwork, including a light saloon body for 20HP cars and a high-speed open Phantom. | ||
| View original record | TO SS. FROM R. Copy to BJ. HS. ORIGINAL COACHWORK FOR RR. CARS. R5/M13.12.26. X5830 X5830 It is quite a mistake to suppose that I ordered any coachwork for RR. cars. If I had done so, I should expect… | ||
| Scan105 | Modifications to the Phantom front axle control, substituting the standard shock damper for the spring control version. | ||
| View original record | TO BY. FROM DA. C. to BL HS. ORIGINAL DA1/M14.12.26. PHANTOM FRONT AXLE CONTROL. X8420 X8520 X8240 Herewith we send N. sch. 2323. shewing the modifications to the front axle control shewn on N. schs… | ||
| Scan106 | Experimental 'stream line' oil filter and its functionality, sent for testing. | ||
| View original record | TO HS. FROM E. Copy to BJ. STREAM LINE FILTER. X3701 We are sending you under separate cover an experimental model of a so called stream line filter which Mr. Royce would like you to test. This filter… | ||
| Scan107 | Oversight and suggested modifications to the EAC 7 chassis brake operation. | ||
| View original record | TO (crossed out) BY. FROM DA. Copy to - BJ. HS. ORIGINAL DA3/M16.12.26. EAC. 7. BRAKE OPERATION. 7420 (crossed out) X7310 Replying to BY4/H81226., we see that we have made an oversight in putting the… | ||
| Scan108 | Drawing LeC. 2334 and the associated modifications for a Phantom starter motor. | ||
| View original record | TO B.Y. (struck through) FROM AJS Copy to B.G. (struck through) R.G. (struck through) H.S. ORIGINAL (stamp) AJS1/M16.12.26. 2 (handwritten) PHANTOM STARTER MOTOR (Handwritten) X8620 / x7620 We send… | ||
| Scan109 | Proposed bonnet improvements dependant on the use of a stiffened cast dashboard for the Phantom model. | ||
| View original record | TO HS. ) FROM DA. C. to BJ. LHK C. WOR PHANTOM & CAST DASH. DA1/M17.12.26. x7430 x7500 x8500 x7760 We have explained that the proposed bonnet improvements depend on the use of a stiffened dash. R. is… | ||
| Scan110 | Friction in the steering of the 20HP car and proposing a design for a spring-loaded cross steering tube joint. | ||
| View original record | TO HS/RM. FROM DA. DA4/M17.12.26. ORIGINAL FRICTION IN THE STEERING OF 20HP. CAR. X5430 X5425 Referring to HS/RM1/LG11226., we had hoped to be able to discuss this with R. before he went away, but… | ||
| Scan111 | Standardisation and testing of an improved side steering tube for a 20HP vehicle. | ||
| View original record | TO HS. FROM DA. Copy to BJ. ORIGINAL 20HP. STEERING. DA2/M17.12.26. X5450 (crossed out) X5430 Referring to the side steering tube improvement proposed to be standardised X.5450, - we do not quite… | ||
| Scan112 | The new Phantom bonnet, suggesting a trial using the fasteners as handles to save on fittings. | ||
| View original record | TO EX.) FROM DA. HS.) Copy to BJ. ORIGINAL DA3/M17.12.26. PHANTOM BONNET. X8260 X7260 With reference to the new bonnet we have not shewn any handles, and as the fasteners are now carried on the bonnet… | ||
| Scan113 | With a sketch requesting a closer fit for a Phantom starter's ball bearing housing to prevent dirt ingress. | ||
| View original record | TO BY. [Struck through] FROM AJS. AJS2/M18.12.26. Copy to - HS. re. PHANTOM STARTER. [Handwritten] X7620 [STAMP] ORIGINAL On drawing LeC. 2334. recently sent you we should be glad if you would… | ||
| Scan114 | Standardization of the rear wheel and luggage carrier on the Phantom 7-EX. | ||
| View original record | TO HS. DA. (Struck through) FROM R. SALES (Handwritten) at Le CANADEL. C. to BJ. WOR. PN. (Struck through) BY. CWB. C. (Struck through) ORIGINAL (Stamped) R2/M18.12.26. DESPATCHED FROM WW. 21.12.26.… | ||
| Scan115 | Ignition wire fittings and potential modifications to the induction manifold. | ||
| View original record | TO BY. FROM E. Copy to R. " DJ. " HS. ORIGINAL. EAC.7. IGNITION WIRE FITTINGS. X.7560 In reply to your memo. BY15/H151226., requesting our comments on Sch./819. which was attached, we should have… | ||
| Scan116 | Car body design, advocating for light, fixed-roof bodies over open-car styles like the Beatonson head. | ||
| View original record | TO BJ. SG. C. ) FROM R. HS. D.V.) C.C. - WOR. PH. GWB. ORIGINAL DELIVERED TO WW. DURING XMAS HOLIDAY. X8830 X5830 +7830 BODIES FOR RR. CARS. Although the Beatonson head is far better than an ordinary… | ||
| Scan117 | The policy for naming a new 750 HP, 12-cylinder aero engine. | ||
| View original record | POLICY, NAMING AERO To BJ. RG. From R. c. to Wor. EY. Hs. RE. 750 HP. AERO ENGINE. X.3804 NEW 12-CYL. 6" BORE 7" STROKE ENGINE. X.3993 X.1775 I suggested to RG. that we should designate this engine by… | ||
| Scan118 | A.I.D. (Aeronautical Inspection Directorate) inspection certificate for an aero engine and spares. | ||
| View original record | RR 768 (20H SETS) (SG 647 19-2-20) MP 218511 CERTIFICATE No. TO A.I.D. CERTIFICATE OF INSPECTION BY A.I.D. ROLLS-ROYCE ENGINES AND SPARES. C.E.No. 40. WO. No. 9 Name of Customer: MESSRS VICKERS… | ||
| Scan119 | Design of a lock for the Phantom revised bonnet. | ||
| View original record | ORIGINAL ~~TO BY.~~ FROM DA. C. to ~~BJ.~~ HS. PHANTOM REVISED BONNET. X8260 ~~X7260~~ DA3/M22.12.26. Herewith we send N. sch. 2326. shewing the lock for the revised bonnet. The key is intended to be… | ||
| Scan120 | Adapting Phantom model radiator shutters and controls for the 20HP model. | ||
| View original record | TO BY. FROM DA. C. to -DJ. HS. ORIGINAL 20HP. RADIATOR SHUTTERS. X5250 / X8250 Herewith we send N. schs. 2314/2320., shewing the arrangement of vertical radiator shutters which R. now requires. The… | ||
| Scan121 | Modifications to rear shock dampers to increase ground clearance. | ||
| View original record | TO BY FROM DA. C. to BJ. HS. ORIGINAL DA7/M22.12.26. EAC.7. REAR SHOCK DAMPERS. X7520 X2355 R. objected to the rear shock damper connecting rods on the car which came down here because of insufficient… | ||
| Scan122 | Car appearance, specifically regarding radiators, shutters, and bonnets. | ||
| View original record | To Bg. ) FROM R. C. to Wott. HS. BY. ORIGINAL R5/M22.12.26. RR. CAR APPEARANCE RADIATORS & BONNETS. Handwritten: X7250 X5260 X7260 X5250 I am very pleased that you like the radiators with integral… | ||
| Scan123 | Technical query regarding the behavior of valve bounce on a test rig. | ||
| View original record | TO { EG. HS. } FROM R. ORIGINAL R2/M22.12.26. DELIVERED TO WN. DURING XMAS HOLIDAY. c.c to - BJ.WOR. VALVE BOUNCE. X 3822 If you run a valve on rig with weak springs fast enough to leave the cam, how… | ||
| Scan124 | New, more flexible spring for the revised Phantom bonnet fastener. | ||
| View original record | TO BY. FROM DA. C. to - BJ. HS. ORIGINAL DA1/M23.12.26. REVISED PHANTOM BONNET. X8260 X7260 We send herewith N. scheme 2333. shewing the spring for the new bonnet fastener. We have kept the load when… | ||
| Scan125 | Experiments and proposed modifications to the Phantom front axle control, specifically increasing the lever length from 12' to 14'. | ||
| View original record | TO PY. FROM DA. C. to BU. HS. ORIGINAL DA4/M23.12.26. X8240 PHANTOM FRONT AXLE CONTROL. X8470 X634 X7420 X235 With reference to the experiments which have been carried out at our request to determine… | ||
| Scan126 | Standardisation of spherical unions and a proposal for a revised drawing. | ||
| View original record | TO HS. FROM E. ORIGINAL E1/M24.12.26. Copy to BJ. re. SPHERICAL UNIONS. X.8150 X5150 Referring to the standardisation sheet you have issued for the above, the position with regard to these unions is… | ||
| Scan127 | Proposal for the EAC 7 starter motor design. | ||
| View original record | TO EFC. FROM AJS. Copy to BY. ORIGINAL 2 AJS3/M24.12.26. EAC. 7. STARTER MOTOR. X7625 In regard to starter motor for EAC. 7. on LeC. 2330., BY. has suggested that we use similar section brushes to the… | ||
| Scan128 | Design and urgent production of lightened union connections for aero work. | ||
| View original record | [Top Left] [Struck through text] FROM R. (At Le Canadel.) C. to - [Struck through text] HS. [Top Right] ORIGINAL R2/M28.12.26. DESPATCHED FROM WW. 30.12.26. [Center] UNION CONNECTIONS. [Handwritten:… | ||
| Scan129 | The design progress and delay of roller-less valve rockers. | ||
| View original record | TO HS. RG. E. DA. FROM R. (At Le Canadel.) Copy to BJ. WOR. ORIGINAL R3/M31.12.26. DESPATCHED FROM WW. 4.1.27. VALVE ROCKERS. X3822 X40035/1/27 I have the impression that the roller-less rockers are… | ||
| Scan130 | Modification to the 20HP battery suspension tube to accommodate a subframe. | ||
| View original record | TO DY. FROM DA. C. to HS. 20HP. BATTERY SUSPENSION. X5535 With further reference to BY7/H161226., we send herewith N. sch. 2334. shewing how we suggest the suspension tube and fittings should be… | ||
| Scan131 | Visit of chassis EAC. 7 to France and a list of proposed technical improvements. | ||
| View original record | TO HS. RG. ) FROM R. E. DA. ) (At Le Canadel.) ORIGINAL R1/M31.12.26. DESPATCHED FROM WW. 4.1.27. C.c. to BJ. WOR. BY. EAC. 7. X9778 (crossed out) 4-0 / 1/29 This chassis (with a good body) is… | ||
| Scan132 | List of proposed final improvements for an engine, gearbox, back axle and chassis frame. | ||
| View original record | (2) EAC.9. (EAC.7. WITH FINAL IMPROVEMENTS.) (1) Still lighter engine, with smaller and lighter crank- chamber, and wet liners. (2) Induction system giving highest possible MEP. for the compression… | ||
| Scan133 | Contentions about chassis inertia and spring periodicity, with plans to address riding qualities. | ||
| View original record | TO HS. FROM DA. ORIGINAL DA2/M31.12.26. X8770 X8760 X8410 OY13/E/111026. Thank you for sending me a copy of As a matter of fact R. passed us his copy some little while ago, and we reported that we… | ||