Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Dispatch of 4 celluloid side curtains and one rear glass screen for chassis 46-PK. | ||
| View original record | TO HM. FROM E. Copy to - HS. X8770 E3/M2.1.26. re. CHASSIS 46-PK. In reply to your memo. HM/WW12/W301225., I am having the 4 celluloid side curtains, and one rear glass sreeen, packed up forthwith and… | ||
| scan0002 | Arranging a car for Sir James Percy's trip to the South of France. | ||
| View original record | Hs. 48770 PN3/DN5.1.26. TO Wor c. to Hs FROM P.N. SIR JAMES PERCY will probably be going down to the South of France for a well-earned rest during the early part of February, and we should much like,… | ||
| scan0003 | Availability of an experimental car in France for Sir James Percy. | ||
| View original record | x8770 To Wor. from Hs. Hs4/LG7.1.26. EXPERIMENTAL CAR. 4180 With reference to PN3/DN5.1.26 asking whether there will be an experimental car in France which could take Sir James Percy to the south. As… | ||
| scan0004 | Chassis complaints for the New Phantom and 20 HP models. | ||
| View original record | To Hs. from BJ. Copies to DY. EP. CWB. H. X8770 BJ2/H13.1.26. Re NEW PHANTOM AND 20 HP. CHASSIS COMPLAINTS. X8770 I attach a copy of EP2/H6.1.26. Doubtless the points mentioned therein are receiving… | ||
| scan0005 | Complaints about the 'New Phantom' and 20 HP chassis. | ||
| View original record | To BJ. Copy to CWB. H. COPY. Re 'New Phantom' and 20 HP. Chassis Complaints. With further reference to my EP1/H9.12.25, as I understand from CWB. that you are going ahead on the lines suggested in the… | ||
| scan0006 | List of chassis complaints for the 'New Phantom' model, detailing issues and proposed actions. | ||
| View original record | COPY. "NEW PHANTOM" CHASSIS COMPLAINTS. (44) VALVE TAPPET SPRING BREAKAGES, causing faulty working of valves, stoppage on the road, i.e:- Major Hodges' Trials Car 29-MC, CWB's 10,000 miles test car,… | ||
| scan0007 | Requesting experimental reports on various issues found in the Phantom chassis. | ||
| View original record | Mr. Lidsey from Hs. Y8770 Hs/LG12.1.26. PHANTOM. We require from you experimental reports on the following points on the above chassis :- (1) TAPPETS. The tappets are a continual source of trouble on… | ||
| scan0008 | List of vehicle faults and proposed investigations for each issue. | ||
| View original record | contd :p -2- (6) EXHAUST BOXES & PIPES BREAKING AND BENDING. We ought to investigate this point. It would appear that the best place to do this would be with the car on the dynamometer and reproduce… | ||
| scan0009 | Advising against fitting semi-balloon tyres to a Phantom belonging to Lord Montagu due to steering wobble concerns. | ||
| View original record | 4870 To PN. from Hs/Rm. Hs/Rn2/LGl.8.1.26. PH4/DN14.1.26. HSG5 With reference to the fitting of semi balloon tyres on to the Phantom belonging to Lord Montagu. We recommend that we do not depart from… | ||
| scan0010 | Cracked or broken platform brackets on chassis No. 46-PK. | ||
| View original record | To BY. from Hm. C. to Hs. X8770 Hm/WW1/W19.1.26. Re Chassis No. 46-PK. The platform brackets on this car are special short ones, which carry the platform slightly above the bottom of the Frame. These… | ||
| scan0011 | Requesting modifications and repairs for car 98-NK to address steering wobbles, an old accelerator pedal, and a broken wing stay. | ||
| View original record | To RHC. from Hs/Rm. X8770 Hs/Rml/LG27.1.26. 98-NK CAR. Will you please remove the Marles Steering from this car and fit a standard steering in its place. In connection with high speed steering wobbles… | ||
| scan0012 | Various engine parts and a complete engine for testing purposes. | ||
| View original record | To RHC. from Hs/ACL. 48770 Hs/ACL/LG3. 2. 25. We should be pleased if you could supply us with the following parts at your earliest convenience :- (1) EAC. cylinder blocks with the thicker section… | ||
| scan0013 | Outlining the value of using aluminium heads and cylinders for the Phantom Engine. | ||
| View original record | To Hs.)FROM R. & E. BY.}LE CANADEL. c. to CJ. X8770 R4/M8.2.26. PHANTOM ENGINE. X.8770 X.8840 X.8050 The aluminium head and cylinders should be made to shew the value of :- (1) Weight saving. (2) Less… | ||
| scan0014 | Forwarding particulars of Mr. Filson Young's recent car runs on 10.EX. | ||
| View original record | Hs. - from Wor. X8770 Wor21/M23/2/26. I send you herewith, at Mr.Filson Young's request, some particulars of his runs last week on 10.EX. Wor. Enc. | ||
| scan0015 | Multiple road test trips, detailing routes, speeds, times, and general performance observations. | ||
| View original record | F.Y. to Mr. Hives. NOTE on 8 trips between Derby (Friary Hotel) and Withington, via Ashbourne, Buxton, Cat & Fiddle, Macclesfield and Hazel Grove. Mean distance, 65 miles. Driver F.Y. Car 10 Ex. Time… | ||
| scan0016 | Sending a blueprint with revised proposals for a lighter Phantom engine with an aluminium cylinder head and block. | ||
| View original record | To BY. from E. c. to RG. Hs. +8770 E2/M27. 2. 26. RE. LIGHTER PHANTOM ENGINE WITH ALUM. X. 8050 CYL. HEAD AND BLOCK. X. 8770 We send you herewith a blueprint of LeC. 2204 shewing revised proposals for… | ||
| scan0017 | List detailing specifications and history for various experimental car models labeled EAC.1 through EAC.7. | ||
| View original record | To E. AJS. ) BY. HS. ) FROM DA/EV. X8770 DA/EV1/M5.3.26. X.8770 X.4219 X.8830 X.7770 X.5770 X.5880 X.180 LIST OF EXPERIMENTAL CARS. EAC.1. Originally the new 40/50 car. Phantom engine, 3-speed box,… | ||
| scan0018 | Page of notes detailing the specifications of various car models and chassis, including the New Phantom and 20 HP variants. | ||
| View original record | contd :- -2- EAC.8. This is a New Phantom (EAC.6.) with revised seating and a cast dash. RR. luggage carrier, tank and reserve etc. Layout - see Ns.ch.2068. Car being built up by Hs. Gos.1. The first… | ||
| scan0019 | Design suggestions for the Phantom cylinder head, comparing L-head and valve-in-head engine characteristics. | ||
| View original record | To R. from E. c. to CJ. Hs. X8770 E1/M6.3.26. RE. PHANTOM CYLINDER HEAD. X.8050 X.3867 X.8770 As we are about to make patterns for the alum. head and block for the lighter Phantom engine we wondered… | ||
| scan0020 | Engine combustion chamber design, turbulence, and ignition timing. | ||
| View original record | contd :- -2- With a rapid combustion resulting from turbulence it may be expected that the ignition need not be advanced as far as usual. It is said that this is found to be true, and the spark… | ||
| scan0021 | Engine design, including cam grinding, tappets, and achieving turbulence. | ||
| View original record | contd :- -3- grinding the cam. Another method of accomplishing the same object would be to remove the rollers from the ends of the tappets and shape these ends to a curve equivalent to a very large… | ||
| scan0022 | Two faults identified during long-term testing of the New Phantom Chassis, specifically a loose water pump drain pipe and carburetter float chamber cap. | ||
| View original record | BY. Hs. SFT. 4-30 9/3/26 X8770 EP11/H9.3.26. re. New Phantom Chassis. Recent long tests of Production Chassis show up two points, which I suggest require your attention:- (1) The water pump drain pipe… | ||
| scan0023 | The New Phantom, attaching another document for review and action. | ||
| View original record | To Hs. from BJ. Copies to [text crossed out] GWB. X8770 BJ9/H18.3.26. Re New Phantom. I attach a copy of CX9/LH/17.3.26. Please let me know if anything is being done to deal with the items mentioned… | ||
| scan0024 | Two defects on the New Phantom, concerning engine stalling and the inspection lamp circuit. | ||
| View original record | COPY OF MEMORANDUM CX9/LR/17.3.26. BJ. Re NEW PHANTOM. At your request, I am giving you this note of the two defects mentioned at the Sales Conference yesterday:- (1) While driving our demonstration… | ||
| scan0025 | Response to customer complaints regarding the New Phantom, covering the float chamber cover, engine, and electrical systems. | ||
| View original record | To BJ. from Hs. c. to BY. c. to CWB. X8770 Hs3/LG19.3.26. NEW PHANTOM. With reference to complaints contained in Cx9/LR17.3.26. (1) Although we are sure that the float chamber cover will not work… | ||
| scan0026 | Technical note on the correct wiring of the dimmer switch and fuses for the headlamps and inspection lamp. | ||
| View original record | contd :- -2- on the dimmer should NOT blow the main fuse so that all lights and ignition would go off. The dimmer should be wired up to the head lamp fuse. Any short circuit on the dimmer would then… | ||
| scan0027 | Request for an experimental 'New Phantom' or converted 'Silver Ghost' chassis for the Instruction Class. | ||
| View original record | S/W Hs. 8 X8770 C5/023.3.26. Demonstration Class. ------- Do you happen to have a "New Phantom" experimental chassis that you will shortly be finished with. We want an additional car for the… | ||
| scan0028 | Engine stalling fault on the New Phantom, related to the governor and clutch, and a separate point about the inspection lamp circuit. | ||
| View original record | X8770 BJ2/H23.3.26. To Hs. from BJ. Copies to OWB. Re New Phantom. Thank you for Hs3/LG19.3.26. I give below a copy of Cx1/Lx/22.3.26 for your further information. B.J. Copy of Cx1/Lx22.3.26, to BJ.… | ||
| scan0029 | The unavailability of a New Phantom experimental chassis for a demonstration class. | ||
| View original record | L8770 To C. from Hs. Hs3/LG26.3.26. C5/C23.3.26. DEMONSTRATION CLASS. There is no possibility of us being able to release a New Phantom experimental chassis for the next 3 or 4 months. Hs. | ||
| scan0030 | From 'Hs.' to 'CJ.' regarding the schedule and plans for testing experimental cars in France. | ||
| View original record | To CJ. from Hs. X8770 Hs4/LG26.3.26. EXPERIMENTAL CARS. X8770 X180 X5840a CJ3/E24.3.26. On April the 11th. we shall have in France the 20 HP. car which has been to Le Canadel, and is now on its way… | ||
| scan0031 | Mr. Day's visit to Le Canadel and a proposed test run across France. | ||
| View original record | To Hs. } FROM R. Da. } LE CANADEL. c. to CJ. c. to BJ. c. to BY. X8770 R4/M30.3.26. RE. MR. DAY'S VISIT TO LE CANADEL. X.8770 X.7770 I think your experience of a run across France and bad roads, would… | ||
| scan0032 | Design alterations and testing possibilities for the Lighter Phantom Engine, focusing on compression ratios and sparking plug placement. | ||
| View original record | To R. from E. c. to CJ. Hs. c. to BY. x8770 E3/M1.4.26. RE. LIGHTER PHANTOM ENGINE. X. 8840 X. 8770 Please find herewith blue prints of LeC. 2229 and 2230., shewing the above. The former shews the… | ||
| scan0033 | Outlining nine suggestions for lightening the Phantom engine. | ||
| View original record | To R. from E. c. to CJ. BY. c. to Hs. X8770 E2/M1. 4. 26. RE. LIGHTER PHANTOM ENGINE. X.8840 X.8770 In addition to the modifications already specified there are a number of further suggestions for… | ||
| scan0034 | Urgent actions for reducing the weight of the Phantom vehicle. | ||
| View original record | X8770 To CJ. FROM R. (Le Canuel) C. to DA. E. BY. HS. R3/M2.4.26. Delivered to WW. during the Easter holiday. PHANTOM WEIGHT REDUCTION. - X.8420. X8840 Naturally I shall be pleased if BY. will help… | ||
| scan0035 | List of six modifications to be carried out on the 44-PK car. | ||
| View original record | RHC. from Hs/Rn. X8770 Hs/Rm2/LG13.4.26. 44-PK CAR. X8410 X8770 Will you please carry out the following modifications to this car :- 1. Fit standard 40/50 pre front wheel brake axle to the car. 2. Fit… | ||
| scan0036 | Delay of car EAC. 8 due to a late front axle forging and detailing its steering modifications. | ||
| View original record | To R. from Hs. c. to BJ. c. to E. c. to DA. c. to Wor. X8770 Hsl/LG17.4.26. EAC. 8. CAR. Referring to the above car which it was proposed DA. and myself should bring to Le Canadel. This car is delayed… | ||
| scan0037 | Listing seventeen urgent modifications required for a vehicle before a 10,000-mile trip to France. | ||
| View original record | X8770 To Hs. E. DA. } FROM R. c. to BJ. Wor. R2/M21.4.26. RE. EAC.8. & YOUR VISIT TO SOUTH OF FRANCE. X7770 As I leave for home on the 28th.inst. the above will not be ready for a run here so we must… | ||
| scan0038 | Modifications and weight-saving measures for the Lighter Phantom Engine. | ||
| View original record | To Hs. } FROM R. BY. } c. to BJ. Wor. 48720 R5/M4. 5. 26. LIGHTER PHANTOM ENGINE. X.8840 X.8030 X.8770 X.8050 Allow no expense to be put on this engine that is not suitable for the anti-detonating… | ||
| scan0039 | Cover note forwarding a report on chassis testing issues for use at West Wittering. | ||
| View original record | Hs. - from Wor. U. X8770 Wor2/M10/5/26. I attach hereto, for your information, copy of Mx4/T4/5/26, showing our chief troubles with chassis on test. This may be useful for you whilst at West… | ||
| scan0040 | Chief points making it difficult to produce satisfactory cars, specifically the 'New Phantom' and '20HP Chassis'. | ||
| View original record | COPY. Wor. from Mx. Mx4/T4/5/26. I have discussed with EP as suggested by you, the chief points which make it difficult for us to produce satisfactory cars. These points which follow are considered to… | ||
| scan0041 | From BJ to Hs asking for the clearance on a 40/50 HP chassis following alterations detailed in an attached memo. | ||
| View original record | X8770 To Hs. from BJ. 40/50 Chassis. BJ10/E10/5/26 With reference to the alterations to the 40/50 HP chassis set out in the attached copy of memo. from R., what will the clearance be? BJ. Attached:… | ||
| scan0042 | Altering the 40/50 chassis and a recommendation to await new chassis developments. | ||
| View original record | COPY. To BJ. from R. c. to OY. NA. Mr.Fuller. WOR. BY. re Mr.Nadin's Visit - 40/50 Chassis. Some discussions arose about altering the present 40/50 chassis, such as lowering the frame and adapting it… | ||
| scan0043 | Modifications for the Phantom model, covering pistons, auto advance, steering, front axle, shock dampers, and magnetos. | ||
| View original record | TO HS. BY. } FROM R. DA. B. EFC Copy to - BJ. WOR. EFC V8770 R3/M14.5.26. PHANTOM. PISTONS. We have modified the engine pistons in 3 patterns to get over some of the troubles and make manufacturing… | ||
| scan0044 | Design decisions regarding wheels, cost justifications for certain features, and future manufacturing improvements. | ||
| View original record | (2) must not forget that our reputation is our chief excuse for being in business. If we damage this or cause an impression of equality with the crowd we are finished as motor chassis builders. ROAD… | ||
| scan0045 | Modifications to the Phantom chassis, including steering, damping, and ignition systems. | ||
| View original record | To Hs. from R. c. to Wor. BY. c. to BJ. RG. X8770 R3/M1 8.5.26. RE PHANTOM CHASSIS. X.8770. X.8040. X.7770. X.8430. The Word "New Phantom" might now be simplified to "Phantom" only, "New" being… | ||
| scan0046 | The design, testing, and potential improvements of three different piston types. | ||
| View original record | Contd. -2- R3/M18.5.26. crown pistons which push the sprix rings higher up and enable us to improve the general design and possibly that of the piston pin. The first one, LeC.2245, is like the… | ||
| scan0047 | Proposed modifications to address steering wobble and vibration issues on car 7-EX. | ||
| View original record | To Hs. from R. c. to BJ. Wor. c. to RG. BY. X8770 R5/M 8.5.26. RE. 7-EX ETC. X.8770 X.8430 X.235 X.457 (1) With reference to 7-EX. this car would be a suitable one to fit up with hydraulic shock… | ||
| scan0048 | Preparations and modifications for a 40/50 HP car and a 12-EX car under the Phantom Chassis project. | ||
| View original record | To R. from Hs. c.c. to BJ. E. c.c. to RG. DA. c.c. to EY. Wor. X8770 Hs3/LG19.5.26. PHANTOM CHASSIS. X8430 We are preparing a 40/50 HP. car with 940 lead, tubular stays for steering column, weaker… | ||
| scan0049 | Experimental information about Phantom shocks, steering issues, and cars operating in France. | ||
| View original record | To Wor. from Hs. To EY. Hs2/LG20.5.26. PHANTOM. X8770 X8430 The following is the experimental information in connection with the items given in BJ7/E19.5.26 attached to EY's copy. (3) It is impossible… | ||
| scan0050 | Testing status and results for steering, tyres, and shock dampers on the 20 HP and Phantom models. | ||
| View original record | contd :- -2- (6) The .937" steering was only run approximately 100 miles. (7) No bumping tests have been made, but as it is only an alteration in the pitch, one would not anticipate it should be any… | ||
| scan0051 | New lightened axle, clutch issues, and proposed modifications for the 12-EX car. | ||
| View original record | To R. from Hs. c. to BJ. RG. c. to DA. E. c. to BY. Wor. X8770 Hs4/LG29.5.26. 12-EX CAR. X8300 The saving in weight of the New lightened axle is 42 lbs. The axle is also decidedly neater in appearance… | ||
| scan0052 | Bodywork issues with car 7-EX, including flexing and squeaking, and arranging for temporary replacement vehicles. | ||
| View original record | To Hs. from R. c. to LHS. C. c. to BJ. X8770 X.5770 X.8770 X.8830 R4/M3.6.26. I should like Works to let me have a 20 HP. while 7-EX is away. The body of this latter will need reconstructing so as to… | ||
| scan0053 | Chasing up the quarterly list of customers' complaints. | ||
| View original record | W/S. To Hr. from Hs. Y8770 Hs2/LG5.6.26. CUSTOMERS COMPLAINTS. We are expecting to receive from you the quarterly list of customers complaints. Will you please let us know when we may expect this. Hs. | ||
| scan0054 | Delays and design changes for the Lightened Phantom Engine. | ||
| View original record | To BY. from E. c. to BJ. Hs. X8770 E1/M9.6.26. RE. LIGHTENED PHANTOM ENGINE. X.8840 X.8370 X.8230 In reply to your EY3/H3.6.26., we regret that the remaining schemes for the lightened Phantom engine… | ||
| scan0055 | 'Phantom Criticisms' and outlining development priorities between various departments. | ||
| View original record | To B.J. from R. C.c. to Wor. H.S. CWB. PN. EP. H. Y8770 R4/M10.6.26. PHANTOM CRITICISMS - X.3993. I am sorry to hear some of the Sales Dept. are disappointed that they cannot get their particular… | ||
| scan0056 | Discomfort of high back seats and proposals for a low chassis design to improve comfort. | ||
| View original record | To BJ. FROM R. C. to LHS. PN. " WOR. EY. " CWB. HS. LOW CHASSIS CAMPAIGN X8770 R19/M10.6.26. -X.3993. X8410 X8830 In all the cars I see the back seats are uncomfortably high and one feels one is… | ||
| scan0057 | Issue of uncomfortably high car seats and proposing solutions for improved seating comfort as part of the 'Low Chassis Campaign'. | ||
| View original record | To B.J. FROM R. C. to LHS. PN. " WOR. EY. CWB. HS. X8720 R19/M10.6.26. LOW CHASSIS CAMPAIGN - X.8830. X9410 X3993 In all the cars I see the back seats are uncomfortably high and one feels one is… | ||
| scan0058 | Internal memorandum clarifying a misunderstanding regarding the specification of a new petrol tank gauge for the Phantom model. | ||
| View original record | To R. from BJ. Copy to Wsr. Copy to Hs. Copy to PN. Copy to CWB. Copy to H. Copy to BP. Copy to BY. Hs X8770 Phantom Criticisms. BJ6/E11/6/26 With reference to R4/M10/6/26, some strange… | ||
| scan0059 | From BJ to R regarding a process for managing suggested improvements from Sales officials. | ||
| View original record | To R. from BJ. As Sales officials had so often approached me on the subject of suggested improvements, and realising the difficulty of arriving at an order of urgency, I had arranged during the past… | ||
| scan0060 | From 'R' to 'Hs' listing complaints about a car after a 260-mile test run. | ||
| View original record | To Hs. from R. X8770 R6/M15.6.26. 7-EX - 260 MILES RUN ON SAT/SUN. X. 8770 X. 8230 X. 8300 X. 699 The body is the worst fault in this car but I must complain of :- (1) The clutch not stopping quickly… | ||
| scan0061 | Inspection and suggested improvements for a Barker open car body on a Phantom chassis. | ||
| View original record | To LHS. ) To Hs. ) FROM R. To.BY. ) c.c. to BJ. Wor. c. to PN. CWB. Y8770 despatched 16.6.26. RS/M10.6.26. PHANTOM LOWER CARS. X.7830 X.7770 RE. BODY ON EAC.8. (12-EX) X.8830 X.8770 This body was… | ||
| scan0062 | Concluding page of a report on campaigns to lighten the chassis and lower the car's components. | ||
| View original record | contd :- -2- 3" higher than desirable. In conclusion it will be noticed that we not only have a campaign for lightening the chassis, but also one for getting every part of the car lower, with the same… | ||
| scan0063 | Unsatisfactory bodywork on car 7-EX, specifically the flexibility of the scuttle causing transverse movement of the windscreen. | ||
| View original record | To LHS. from R. c. to BJ. C. Hs. 18770 R3/M18.6.26. 7-EX X.8830 X.8770 K5830 We returned 7-EX car by DA/EV. to Barkers because the body was unsatisfactory. The most glaring fault is the transverse… | ||
| scan0064 | Weak mechanical construction of the 7-EX body and its potential impact on the company's reputation. | ||
| View original record | -2- You will remember that there are other portions of this 7-EX body which are weak. These have already been explained. Owing to the body being finished it is difficult to know how its weakness can… | ||
| scan0065 | Benefits of low floors and appropriate seat design in cars, considering different user types and use cases. | ||
| View original record | To LHS. from Hs. c. to BJ. Hs. Wor. c' to BY. PN. CWB. X8770 R2/M22. 6. 26. LOW CHASSIS CAMPAIGN. X. 8770 X. 3993 X. 5770 X. 8830 Many thanks for your kind letter (addressed to BJ.) referring to my… | ||
| scan0066 | Trial report on car 12-EX, criticising the exposed nature of the back seats. | ||
| View original record | contd :- -2- miles trial on 12-EX. I am sure if we asked anybody to ride in these back seats they would think them hideous, sitting up in the wind on a fast car and not in the car, as there is very… | ||
| scan0067 | Performance review of the Goshawk model with proposals for improvements to its engine, suspension, and appearance. | ||
| View original record | TO B.J. FROM R. C.c. to Wor. HS. BY. DA. E. EP. X8770 (handwritten) R3/M24.6.26. re GOSHAWK. -X.8770. (handwritten, crossed out) X5770 (handwritten, underlined) We are pleased to say that the Goshawk… | ||
| scan0068 | Potential modifications to a car model, comparing it to the Phantom and 40/50 models. | ||
| View original record | (2) We think the rear tank should be modified, to be brought into line with the Phantom. The double filter is excellent because of its convenience in the case of a blocked filter, and because of its… | ||
| scan0069 | Responsibility for bodywork suggestions to coachbuilders and observations on construction methods. | ||
| View original record | TO LHS. FROM R. X8770 R1/M.7.26. C. to BJ. Wor. " " DA. Hs. " " C. 7-EX. -BARKER-BEATONSON ALL-WEATHER USED BY ME IN FRANCE. -X.8770. X8830 (crossed out) The amount of money involved in repairing this… | ||
| scan0070 | Confirmation of a wire detailing travel arrangements and work on a car. | ||
| View original record | CONFIRMATION OF WIRE. X8770 WW. HIVES. ROYCAR. DERBY. EXPECTING DODD SATURDAY MORNING BLUE CAR NINE O'CLOCK. IF NOT ARRIVED AM LEAVING IN TWENTY. AFTER PAGEANT SHALL DRIVE BACK HERE DODD RETURNING… | ||
| scan0071 | Requirements for front brakes, generators, motors, and reaction dampers following a visit from England. | ||
| View original record | COPY. Y8770 OY2-E-7126. July 1st.1926. To: Mr. Beaver. cc Mr. Nadin. From: Mr. Olley. Visit from England. I do not know of anything of extraordinary importance that we require to know just now, of… | ||
| scan0072 | Engine rigidity, suspension, dampers, and comparative riding-quality tests. | ||
| View original record | -2- a view to discovering whether they are really useful with the new engine and with our rigid body construction. They give trouble through grunting on rough roads, like a siezed shackle, and with… | ||
| scan0073 | Listing fifteen technical improvements for testing on an experimental car in France. | ||
| View original record | To Hs. from R. c. to BJ. LHS. c. to BY. PN. +8770 R3/M2. 7. 26. 7-EX CAR. X.8992 X.8770 X.7770 The following recent improvements are for testing in France next Winter :- (1) Correct auto:advance -… | ||
| scan0074 | Telegram arranging for a chassis to be driven from coachbuilders Barkers back to Derby. | ||
| View original record | POST OFFICE TELEGRAPHS TELEGRAMS for INLAND addresses may be handed to the messenger who delivers this form. The Post Office accepts telegrams by telephone. No. 0130 Office Stamp: DERBY 2 JUL 26 Time… | ||
| scan0075 | The development of the American Chassis EAC-1X and the process for feedback. | ||
| View original record | Ms. from BJ. c. to Wor. c. to BY. X8770 BJ2/E5.7.26. AMERICAN CHASSIS - EAC-1X. X.8991 X.3993 Referring to your Hsl/LG2.7.26., with the numerous experimental chassis going through from time to time,… | ||
| scan0076 | BJ to Hs requesting to inspect and test a light semi-speed 40/50 HP model. | ||
| View original record | To Hs. from BJ. X8770 BJ2/E6/7/26 I am particularly anxious to inspect and try the light semi-speed model, 40/50 HP, on the short wheel base. R. was speaking to me about this the other day and I have… | ||
| scan0077 | Letter to Barkers coachbuilders regarding the collection and return of Mr. Royce's car chassis 7-EX. | ||
| View original record | X8770 Expl: Dept: Hs3/LG. 7th. July 1926. Messrs. Barkers, Coachbuilders, Olaf Street, Sheperds Bush London. Dear Sirs, We are sending our man Mr. Dodd to collect Mr. Royce's car 7-EX and bring it to… | ||
| scan0078 | Chassis enquiry and the upcoming supply of stiffeners and subframe supports. | ||
| View original record | To Hs. from DA/EV. X8770 DA/EV1/M15.7.26. 7-EX. X. 8770 X. 8500 X. 8380 R. was enquiring yesterday about his chassis, and wonders whether you have it in Derby, and what you have got to do to it. 4 We… | ||
| scan0079 | Listing twelve potential future chassis improvements and issues for consideration. | ||
| View original record | COPY. X8770 XC4117 To R. from BJ. c. to Hs. BJ19/E5.8.26. Confusion sometimes arises between S. and W. in regard to suggestions which may be made concerning possible improvements in the chassis, which… | ||
| scan0080 | Cover note from BJ enclosing a copy of a memo about Phantoms sent to Mr. Royce. | ||
| View original record | Hts. X8770 9-9-26 To Wor. from BJ. c. to BY. c. to Hs. BJ3/D6.8.26. Re: Phantoms. I enclose herewith for your information copy of a note I have sent to Mr. Royce to-day. Att: Copy of BJ2/D6.8.26 &… | ||
| scan0081 | Letter from BJ to R regarding customer feedback on the Phantom model, with comparisons to the Ghost. | ||
| View original record | To R. from BJ. BJ2/D6.8.26. My dear R., Phantoms. In a recent discussion about the Phantom with Wor., BY. and Hs. they mentioned that the most helpful and interesting points were the actual opinions… | ||
| scan0082 | Summary of customer complaints and comparisons between the Phantom and Silver Ghost models. | ||
| View original record | SUMMARY. Att. to BJ2/D6.8.26. 1. Some customers say that the throttle lever control is less reliable on the Phantom than on the Silver Ghost, and that the setting cannot be relied upon to keep the… | ||
| scan0083 | List of customer complaints and technical issues regarding the Phantom and Silver Ghost models. | ||
| View original record | -2- seasickness and discomfort in RR. cars. 10. We are receiving more complaints that the steering on the Phantom is not as good as the Silver Ghost. 11. Those who have had serious trouble by… | ||
| scan0084 | From the Experimental Department responding to complaints about the Phantom model, covering suspension and silencer explosions. | ||
| View original record | To R. from Hs. c. to BJ. c. to WDV X8770 Hs3/LG9; 8. 26: X4117 PHANTOM COMPLAINTS. Replying to BJ9/E5. 8.26. giving the list of 12 points which Sales Dept. consider should be improved. The following… | ||
| scan0085 | Various vehicle component improvements and ongoing issues. | ||
| View original record | contd :- -2- (3) STEERING. The new front axle is a further and very positive improvement on the Phantom steering. We believe it will get us out of our trouble with pivot pins seizing which has caused… | ||
| scan0086 | Issues and potential solutions for tappet noise, brake squeaks, chassis lubrication, and fuel supply problems. | ||
| View original record | contd :- -3- noise to overcome is the knock which comes from the tappet itself. This is caused by a rotational movement of the tappet. It means dismantling a lot of parts to get at these tappets. We… | ||
| scan0087 | Continued document page detailing petrol tank improvements and investigations into overheating and oil leaks. | ||
| View original record | contd :- -4- At the same time the new petrol tank both for Phantom and 20 HP. will have the improved double filters of larger area. (11) OVERHEATING INSIDE BODIES. We are sending a report on this… | ||
| scan0088 | Note about investigating oil leaks from the car. | ||
| View original record | -4- (12) OIL LEAKS FROM THE CAR. We are carefully investigating this because we consider that relatively R-R cars are bad for this fault. | ||
| scan0089 | Inquiring about the location of Mr. Royce's Car, 7-EX. | ||
| View original record | X8770 To Hs. from BJ. BJ4/D11.8.26. Re: 7-EX. Referring to Mr. Royce's Car, 7-EX, has this yet been returned to Barkers, or where is it? BJ. | ||
| scan0090 | Overhaul of the 7-EX car, including fitting a new lightened front axle. | ||
| View original record | To BJ. from Hs. Y8770 Hs6/LG12. 8. 26. 7-EX CAR. BJ4/D11. 8. 26. This car is at present at Derby. It is having several new parts fitted including the new lightened type front axle. The chassis is… | ||
| scan0091 | Three noticeable drawbacks of the Phantom car: throttle irregularity, rough slow running, and exhaust popping. | ||
| View original record | To Hs. from BJ. c. to W. Hs. X8720 BJ30/D23.8.26. Confirming our conversation on Friday, it would interest me to try a Phantom on which the three points which I mentioned had been obliterated as far… | ||
| scan0092 | Sending a covered Phantom car to London to test a new lightened axle and hydraulic dampers, and to address engine running issues. | ||
| View original record | To BJ. from Hs. c. to WOR. x8770 x8770 x8430 Hs9/LG25.8.26. Replying to BJ30/D23.3.26. We are arranging to send a covered Phantom car to London at the end of next week for PN. to try the new lightened… | ||
| scan0093 | Confirming the requirement for a luggage grid on an experimental car. | ||
| View original record | X8770 PN15/DN30.8.26. TO Hs FROM P.N. With regard to the Experimental car which you are sending down for me on the 3rd September, I think I am right in believing that there is a luggage grid fitted to… | ||
| scan0094 | Delayed production of the Lighter Phantom engine with aluminium cylinders. | ||
| View original record | To Hs. from R. c. to BJ. Wor. BY. X8770 R5/M31.8.26. RE. LIGHTER PHANTOM, X. 8770 X. 8840 X. 8051 X. 8070 We have been anxiously awaiting for many months the production of the Phantom engine with… | ||
| scan0095 | Delay in the delivery of Experimental Car 8-EX. | ||
| View original record | To PN. from Hs. X8770 Hs6/LGl.9.26. EXPERIMENTAL CAR - 8-EX. X8770 The earliest date on which we can deliver this car to London will be Monday the 6th.inst. We have had to carry out certain work which… | ||
| scan0096 | Confirming the delivery schedule for car 8-EX, which is required by Monday mid-day to catch a boat. | ||
| View original record | X8770 PN7/DN2.9.26. TO Hs. FROM P.N. Re 8-EX. A line to confirm that this car should be in my hands at the latest mid-day on Monday next, if we are to be successful in catching the boat the following… | ||
| scan0097 | Confidential memo about the potential development of an 8-cylinder engine and a request for a cost estimate for an experimental chassis. | ||
| View original record | X8770 STRICTLY SECRET AND CONFIDENTIAL. To Wor. from BJ. To Hs. from BJ. HS To E. from BJ. [Strikethrough] To BY. from BJ. 6 and 8 Cylinder Engines. BJ14/E9/9/26 R. has suggested that I should send to… | ||
| scan0098 | Virtues of an 8-cylinder engine compared to a 6-cylinder engine. | ||
| View original record | TO-BJ. } FROM R. WOR. } HS. } DY. } PRIVATE AND CONFIDENTIAL R3/M2.9.26. 6 AND 8 CYLINDER ENGINES. From time to time an 8 cyl. straight line engine for our large chassis has forced itself into my… | ||
| scan0099 | Strategic advantages of developing new 6 and 8 cylinder engines and chassis, referencing competitors. | ||
| View original record | (2) (7) There would be little or no difference to the length of the bonnet owing to certain economies being possible, but there would be an advantage of more room sideways. (8) Another and great… | ||
| scan0100 | List of requested modifications for car 7-EX for use in autumn bad weather. | ||
| View original record | To Hs. from R‡ c. to BJ. Wor. BY. X. 8770 R1/M13.9.26. CAR FOR WW+ The car I want for the autumn bad weather is 7-EX., (the one I had in the South of France) The chassis is at Derby: it should have :-… | ||
| scan0101 | New procedure for chassis testing, depot instructions, and handling new car complaints. | ||
| View original record | To Wor. from BJ. Copy to EP. Copy to Hm. Copy to BY. Copy to Hs. Copy to C. Copy to Sg. Copy to PN. Copy to CWB. X8770 Confirming our conversation of yesterday, it was agreed that it was very… | ||
| scan0102 | Test results and suggested modifications for the Phantom 10-EX experimental car. | ||
| View original record | X8770 To Hs. from R. c. to BJ. R2/M23. 9. 26. RE PHANTOMS (10-EX). X.8770. I find it very difficult to get ignition starts regularly from 10-EX. Naturally the engine does not stop in the same position… | ||
| scan0103 | Need for a car at 'WW' for visitors and staff, and the status of chassis 7-EX. | ||
| View original record | To Hs. from R. c. to BJ. X8770 R1/M24.9.26. RE. CAR FOR WW. X.8770 X.5770 X.8830 We must have a car at WW. with good protection against the weather, for visitors as well as ourselves. Where is the… | ||
| scan0104 | Stiffening the scuttle on car 10-EX to fix issues with 'jellying' and creaking. | ||
| View original record | To Hs. from R. c. to CJ. BJ. X8770 10-EX X.7884 [crossed out] X.8440 R2/M25.9.26. X8774 It will be necessary (when this car is having the new splashers fitted) for the scuttle to be stiffened to… | ||
| scan0105 | Tyre trouble with the Experimental Saloon 8-EX during a road trip from Chalon to Paris. | ||
| View original record | S/W. To Hs. X8770 8.40 28/9/26 PN5/EH.27.9.26. I have today sent to you by road to Derby 8-EX, Experimental Saloon. I had great trouble with the balloon tyres on this car in coming up from Chalon to… | ||
| scan0106 | Comparative weights of lightened components for a Phantom engine, resulting in a total weight reduction. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. X8770 Hs3/LC27.9.26. LIGHTENED PHANTOM ENGINE. X8840 We give below comparative weights of the lightened pieces in connection with the lightened… | ||
| scan0107 | Bodywork for a car for 'WW' and the use of a scuttle from car 7-EX on 10-EX. | ||
| View original record | S/W Hs. X8770 Re Car for WW. ------- C6/C30.9.26. With reference to R1/M24.9.26. is there anything we can do to help in connection with the body? We want to get something really good for R. to use.… | ||
| scan0108 | Modifications to valve timing and the induction system for the Aluminium Phantom engine. | ||
| View original record | To Hs. from R. X8770 R1/M9.10.26. RE. ALUMINIUM PHANTOM ENGINE. X. 8770 X8770 X. 8840 X. 8050 (crossed out) X. 8230 X. 8060 Regarding the power of the Phantom engine we want to hold open the inlet… | ||
| scan0109 | The removal of the throttle governor on a Phantom car. | ||
| View original record | To B.J. from Hs. C. to WGV. PN. By. CWB. X8170 Hs1/LG26.10.26. PHANTOM WITHOUT THROTTLE GOVERNOR. X8140 Replying to BJ10/E22.10.26. We could very easily cut out the governor on any Phantom car. We… | ||
| scan0110 | Performance issues and potential improvements for the Phantom & Goshawk engines. | ||
| View original record | To Hs. from R. c. to BJ. RG. c. to BY. E. c. to DA. 48770 RA/M27.10.26. PHANTOM & GOSHAWK. X.8770 X.8830 X.5770 X.5830 X.8500 Something must be done to shew that we are giving reasonably good HP. from… | ||
| scan0111 | Final testing of the 7-EX car after completion of work by Barkers. | ||
| View original record | To DA/EV. from Hs. X8770 Hs4/LG8.11.26. 7-EX CAR. X8770 X8830 When 7-EX car is completed by Barkers, we should like to finally test it before handing it over to R. We know for instance there are one… | ||
| scan0112 | Trial fitting of modified louvres on a 20 HP bonnet for appearance evaluation and parts delivery. | ||
| View original record | To CWB. from Hs. X8170 Hs5/LG8.11.26. LOUVRES FOR 20 HP. BONNET. x5260 We will arrange to send a 20 HP. car with a bonnet fitted with the standard louvres on one side and with the proposed modified… | ||
| scan0113 | Letter from coachbuilders Barker & Co. regarding the completion of the 'Mr. Royce - Allweather - 7.EX' car. | ||
| View original record | From BARKER & CO. (Coachbuilders), LTD. (By Appointment to H.M. THE KING AND H.R.H. PRINCE OF WALES,) Olaf Street, Latimer Road, Notting Hill. London, W.11. Telephones - { 6200.1-2 / 3-4 } PARK.… | ||
| scan0114 | Private and confidential cover memo regarding the New Phantom and the Daimler Double-Six. | ||
| View original record | Private & Confidential. X8770 S/W. Hs. Sg27/W/11.11.26. Re: New Phantom and the Daimler Double-Six. Attached please find copy of memo from PN. to BJ. which it is thought will be of considerable… | ||
| scan0115 | Comparing customer preference for the Phantom over the new Daimler Double-Six. | ||
| View original record | COPY. R.L. PM2/EHP.11.26. We have so far had three direct cases where people have preferred to buy Phantoms and have definitely placed their orders, after having had - immediately before,… | ||
| scan0116 | Internal memorandum listing eleven parts urgently required for testing. | ||
| View original record | To RHC. from Hs/Rm. 18770 Hs/Rm3/LG12.11.26. X3804 Please note, the following parts are urgently required for test :- (1) F.X. water pump. (2) F.X. modified rotor and diffuser. (3) Inertia rings -… | ||
| scan0117 | From 'R' to 'Hs' discussing improvements and addressing complaints regarding the Phantom model. | ||
| View original record | To Hs. from R. X8770 R3/M13.11.26. PHANTOM IMPROVEMENTS. X. 8770 X. 8140 I am very sorry to cause pressure in these RR. F.10 troublesome times, but Sales are continually complaining of the want of… | ||
| scan0118 | Progress on Phantom improvements, noting challenges with obtaining instructions despite assistance from the Works. | ||
| View original record | To R. from Hs. c. to WOR. X8770 Hs7/LG15.11.26. PHANTOM IMPROVEMENTS. X3804/X7770 Replying to R3/M13.11.26. In spite of the big push on F.X. we are keeping the chassis work moving. Wor. is giving us… | ||
| scan0119 | Steering issues in early Phantom cars and proposed solutions. | ||
| View original record | To BJ. } FROM HS. To R. } c. to Wor. RG. c. to E. DA. c. to BY. X8770 Hs2/LG16.11.26. PHANTOM CARS - BJ20/E12.11.26. X8770 X8470 We suggest that in most cases the adverse criticism of the Phantom is… | ||
| scan0120 | Customer complaints and modifications regarding exhaust, throttle, low-speed running, and springing issues. | ||
| View original record | contd :- -2- This is what the Paris Depot are doing almost daily to keep customers in France reasonably happy. With the complaints such as banging in the exhaust and uncertain throttle position, there… | ||
| scan0121 | Improvements to the Phantom's riding and steering qualities by reducing front-end weight. | ||
| View original record | To Hs. from R. c. to BJ. Wor. BY. X8770 R4/M16.11.26. PHANTOM., X. 8770 X. 8430 X. 8410 The riding and steering qualities can be improved by reducing the weight on the front wheels as follows :-… | ||
| scan0122 | Complaints regarding the Phantom and 20 HP models, specifically about springing, brake servo, and throttle sticking. | ||
| View original record | To BJ. from R. To Hs. c. to Wor. BY. c. to DA. E. X8770 R2/M18.11.26. PHANTOM & 20 HP. COMPLAINTS. X.4117 X.8770 X.4118 X.5770 Referring to Hs3/LG16.11.26., to stop the complaints on the Phantom we… | ||
| scan0123 | Necessary improvements for carburetter, steering, and heat insulation. | ||
| View original record | -2- contd :- We understand that a new spray chamber will be necessary for the carburetter. Whether the existing spray chambers can be machined in such a way as to permit of the roller bearing being… | ||
| scan0124 | Complaints and potential solutions for the Phantom & 20 HP models, focusing on springing, brake servo, and throttle sticking. | ||
| View original record | COPY. X8770 To BJ. } FROM R. Hs. } c. to WOR. BY. c. to DA. E. R2/M18.11.26. X5770 F4117 X4118 PHANTOM & 20 HP: COMPLAINTS. Referring to Hs3/LG16.11.26., to stop the complaints on the Phantom we must… | ||
| scan0125 | Necessary modifications to the carburetter, steering, and body to address chronic chassis faults. | ||
| View original record | contd :- -2- We understand that a new spray chamber will be necessary for the carburetter. Whether the existing spray chamber can be machined in such a way as to permit of the roller bearing being… | ||
| scan0126 | Proposed improvements for the Phantom model regarding steering, springing, governor, and auto advance. | ||
| View original record | To Hs. from R. c. to BJ. Wor. c. to BY. X8770 R2/M30.11.26. PHANTOM COMPLAINTS. X.4117 X.8430 X.8770 X.8410 X.8140 Confirming our 'phone conversation of this morning. In the memo, I have already sent… | ||
| scan0127 | Providing feedback and impressions on two experimental cars, 8-EX and 7-EX. | ||
| View original record | To Hs. from R. c. to BJ. c. to Wor. c. to BY. X 8770 RL/M22.11.26. 8-EX - VISITING CAR TO WW. LAST WEEKEND. X.8992 7-EX - R's BEATONSON HEAD CAR. X.8770 I wish to confirm that 8-EX with the large… | ||
| scan0128 | From EV to Hs. listing five points of work required on car 7-EX ALLWEATHER before it goes to France. | ||
| View original record | X8770 To Hs. from EV. EV1/25.11.26. RE 7-EX. ALLWEATHER. X.8992. X.8770. X.8830. Attached hereto is a list of work which we wish carried out on the above car by the coachbuilders before it goes to… | ||
| scan0129 | Letter detailing faults with car 7-EX, including a leaking windscreen, instrument board squeaks, and inadequate door stop straps. | ||
| View original record | "CAMACHA", WEST WITTERING. NR. CHICHESTER. SUSSEX. November, 23rd. 1926. EV1/23.11.26. Messrs. Barker & Co. Ltd., Olaf Street, Latimer Road, Shepherds Bush. LONDON.2. Dear Sirs, Re 7-EX. Mr. Royce has… | ||
| scan0130 | Communication detailing faults with a car body, including door fasteners and locks, with accompanying sketches. | ||
| View original record | -2- FRONT DOOR Contd. A REAR DOORS A (3) The head leather flaps against the contrails and makes aloud noise when going at speed. The fasteners themselves rattle and several will not remain closed.… | ||
| scan0131 | List of 14 modifications and scheduling for the 7-EX car for Mr. Royce. | ||
| View original record | X8770 To RHC. from Hs. Hs2/LG26.11.26. 7-EX CAR - FOR MR. ROYCE+ X8992 From the information we have at present, R. requires 7-EX car to meet him at Toulon on December the 15th. This means that the car… | ||
| scan0132 | Disposal of experimental car 44-PK, noting its modification from a Silver Ghost to a 'V' series Phantom. | ||
| View original record | To C. from Hs. c. to Hm. c. to Wor. c. to My. X8770 Hs2/LG30.11.26. EXPERIMENTAL CAR - 44-PK. X180 We have no further use for 44-PK as an experimental car. We are therefore handing it over to the… | ||
| scan0133 | Listing experimental parts fitted to car 44-PK and instructions for their disposal. | ||
| View original record | To Hm. from Hs/AJL. 48770 Hs/AJL/LG2.12.26. RE. EXPERIMENTAL CAR - 44-PK. X180 The above car, handed over to you today, is fitted with the following experimental parts. (1) Hydraulic shock absorbers… | ||
| scan0134 | Car 44-PK, recommending it is not suitable for H.R.H. Prince of Wales due to overhaul requirements and modifications. | ||
| View original record | To Hm. from Hs. X8770 Hs3/LG3.12.26. Re. 60 LK. H.R.H. Prince of Wales. X4117 X8770 With reference to Cll/Cl.12.26 attached. 44-PK car requires a very thorough overhaul - also the fact that it has… | ||
| scan0135 | Confidential memo on the merits of the straight six-cylinder engine versus competitor eight and twelve-cylinder configurations. | ||
| View original record | X8770 To BJ. LORD WARGRAVE. MR. CLAREMONT. LHS. MR. FULLER) RR.OF MR. OLLEY. ) America MR. NADIN. ) Inc. MR. BAGNALL) WOR. RG. BY. HS. PN. CWB. FROM R. R3/M3.12.26. CONFIDENTIAL. X.435. X.8770.… | ||
| scan0136 | List of 'worst features' of the Phantom model suggested for improvement by the Sales Conference. | ||
| View original record | S/W Hs. X8770 CL/C6.12.26. Re "Worst Features" on the Phantom. ------ Now that you have eliminated steering from the above, the Sales Conference suggest that the next important item to be promoted… | ||
| scan0137 | Listing various car parts and modifications for different chassis and models. | ||
| View original record | To RHC. from Hs/Rm. X8770 Hs/Rm/LG14.12.26. In addition to 9-G-111 - will you please keep the following pieces moving :- (A) 40/50 bump chassis. (1) Strengthened pendulum lever. (2) Artillery wheels.… | ||
| scan0138 | Outlining retrospective improvements for the Phantom model. | ||
| View original record | Hs. x8770 BY19/H. 15.12.26. RETROSPECTIVE IMPROVEMENTS ON PHANTOM. As I understand the above position, it pans out as follows:- 1. a/- Modifying the worm and nut in the existing steering boxes for… | ||
| scan0139 | Technical proposals for braking, auto advance, and addressing running issues. | ||
| View original record | - 2 - BY19/H. 15.12.26. 4. Braking on front wheels. You have had in mind the question of retrospective action in the direction of reducing the percentage of braking on the front wheels by 25%, that… | ||
| scan0140 | 'Phantom Complaints', arranging for a detailed reply on car numbers and costs. | ||
| View original record | To BJ. from Hs. +8770 Hs4/LG16.12.26. PHANTOM COMPLAINTS. +417 Replying to BJ1/E19.11.26. We have discussed this memo. with the Technical Officials at Derby and it has been arranged that EY. will… | ||
| scan0141 | Contentions about chassis inertia, spring periodicity, and future work on riding qualities. | ||
| View original record | To Hs. from DA, X8770 DA2/M31.12.26. X.8770 X.8410 X.8260 Thank you for sending me a copy of OY13/E/11.10.26. As a matter of fact R. passed us his copy some little while ago, and we reported that we… | ||
| scan0142 | Limitations of long chassis cars in congested traffic and the superior springing qualities of smaller cars. | ||
| View original record | To Hs. from E. X. 8770 X. 8260 X. 821. Many thanks for copies of memos. OY13/E11.10.26 and OY3/E12.9.26. It is very interesting to learn that they are feeling the limitations of long cars in congested… | ||
| scan0143 | Scheduling a meeting to discuss free of charge work relating to Phantoms. | ||
| View original record | Hs. - from Wor. BY. - " " BP. - " " Hm. - " " 48770 Wor10/M16-2-27. Re Free of Charge Work - Phantoms. I attach copy of a note I have received from Sg. ref. Sg22/M14/2/27, from which you will see it… | ||
| scan0144 | Free of charge work on 'Phantom' chassis and a proposed meeting in Derby. | ||
| View original record | COPY. S/W. Hm. Copy to Wor. " " C. " " CWB. Sg22/M14-2-27. Re Free of Charge Work - 'Phantoms'. Referring to Hm/NRC19/D9/2/27 - BJ. feels that as there appears to be a difference of opinion between W.… | ||
| scan0145 | Feedback on a new trials car and potential improvements to stock parts for the Phantom & 20 HP models. | ||
| View original record | To BY. FROM R. HS. Le Canadel. EFC. c. to BJ Wor. PN. CWB. H. X8770 PHANTOM & 20 HP. X,8770. X,5770. Mr. Hanbury's expressions of satisfaction with his new trials car is encouraging. I too have been… | ||
| scan0146 | Preliminary lightening of the Phantom engine's waterpipe and flywheel, and improvements to the induction system. | ||
| View original record | To E. Hives BY AJS from R. c. to ROLLS-ROYCE LIMITED DERBY (inverted stamp) 48770 R4/M10.2.27. X. 8770 X. 8840 X. 8300 X. 8070 X. 8180 X. 3867 PHANTOM ENGINE - PRELIMINARY LIGHTENING WATERPIPE AND… | ||
| scan0147 | Confirming agreement from 'R.' to proceed with free of charge work on a Phantom. | ||
| View original record | To Hm. from BJ. Copy to Hs. Copy to EP. Copy to Wor. Copy to Ba. Copy to E. Copy to BY. HS 7870 Free of Charge Work. Phantom. BJS/E50/3/27 I have now heard from R. that he agrees to BJ2/E24/3/27. Will… | ||
| scan0148 | Letter concerning travel plans, a demonstration driver, and car performance. | ||
| View original record | J. Dodd has done extremely well, I think he is a good demonstration driver, safe & quiet but can be fast makes the best of a car. TELEPHONE No. CHICHESTER 210. REGD. TELEGRAPHIC ADDRESS: "ROYCE, WEST… | ||
| scan0149 | Vehicle performance issues, including brakes, wheel slide, and various noises, signed by F.H. Royce. | ||
| View original record | broke its bolts, but we had realized that it was not right and the easiest way to do is to try if it would be satisfactory if the plate were attached to the tube just above it, the trouble is that the… | ||
| scan0150 | The delay of chassis improvements due to intensive work on aero engines, proposing a central lubrication scheme. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to DA. E. c. to BY. (8770 Hs4/LG21.4.27. CHASSIS IMPROVEMENTS. X3806 We must anticipate that owing to the intensive work being put on to aero engines, that chassis… | ||
| scan0151 | Summary of experimental work on chassis improvements for the 40/50 HP model, focusing on suspension and brakes. | ||
| View original record | To R. from As/Rn. c. to BJ. Wor. c. to RG. E. c. to EA. BY. X8770 Hs/Rnl/LG26.4.27. CHASSIS IMPROVEMENTS. X5770 X8410 At the present moment we have practically completed experimental work on the… | ||
| scan0152 | Front brake stiffness, Phantom steering improvements, and drawbacks of the Autovac petrol supply system. | ||
| View original record | contd :- -2- front brake jaggers cannot occur, the section of the front drums might be stiffened somewhat to reduce distortion and thus increase the period which can elapse before brake adjustment is… | ||
| scan0153 | Potential chassis improvements including lubrication, front springs, lowering the chassis, and weight reduction. | ||
| View original record | contd :- -3- mechanically operated suction pump would be a great asset in this connection. LUBRICATION. We are anxious to reduce the number of lubrication points on the chassis. On 10-Ex we shall in… | ||
| scan0154 | The suspension, brakes, and steering issues of the 20 HP model, with comparisons to the 40/50 HP. | ||
| View original record | contd :- -4- 20 HP. SUSPENSION. The main difficulty with the 20 HP. front springs is that if they give comfortable riding at low speeds the car crashes almost continuously on the buffers at high… | ||
| scan0155 | The 10-EX Sports Model, developed to demonstrate the speed capabilities of the Phantom chassis to 'speed merchants'. | ||
| View original record | To BJ. from R. c. to Wor. Hs. LHS. BY. OY. 48770 R14/M29.4.27. 10-EX SPORTS MODEL. X. 469 [strikethrough]X.238[/strikethrough] X. 8770 X. 8774 X. 235 We do not propose to make this coarse (as in the… | ||
| scan0156 | Performance of the Phantom engine in car 7-EX and proposed modifications. | ||
| View original record | To BJ. from R. c. to OY. Hs. BY. √8770 R9/M29.4.27. PHANTOM ENGINE. X. 8770 X. 8994 This engine on 7-EX and its accessories worked with great satisfaction during my stay in France, when it travelled… | ||
| scan0157 | The standardisation status of experimental designs for various car models. | ||
| View original record | X8770 To BY. from DA/EV To Hs. " " DA/EV2/M7.5.27. EXPERIMENTAL DESIGNS. X.8770 X.7770 X.5770 As R. is frequently asking me how this or that experiment stands, and what is preventing it being… | ||
| scan0158 | Experimental designs for the Phantom model, including framed instruments, dipping headlamps, and other components. | ||
| View original record | To DA/EV. from Hs. c. to BY. EXPERIMENTAL DESIGNS. Replying to DA/EV2/M7.5.27. PHANTOM. (1) Framed Instruments. The latest scheme of framed instruments with silvered dials is being fitted to EAC.7. We… | ||
| scan0159 | Status of various experimental vehicle components and modifications. | ||
| View original record | CONTD :- -2- (7) Cast Dash. The cast dash has run 20,000 miles on 12-EX. car. We however have satisfied ourselves that more vibrations are felt on the steering column when the cast-dash is used. There… | ||
| scan0160 | Continued list of points discussing potential vehicle modifications and issues. | ||
| View original record | contd :- -3- (15) Scuttle Isolation. We do not know definitely what this refers to. All our subframe cars have scuttle isolation. (16) Improved instrument board controls and controls on column. These… | ||
| scan0161 | From 'R.' to 'Hs.' regarding problems with chassis work and requesting a meeting. | ||
| View original record | To Hs. from R. +8770 R2/M14.5.27. CHASSIS WORK. X.7770 X.5770 X.8770 There are so many present and future problems connected with the chassis that I want to give all the energy we can to this part of… | ||
| scan0162 | Experimental design updates for the Phantom model, covering instruments, headlamps, and carriers. | ||
| View original record | To Hs. BY. from DA/EV. X8770 DA/EV1/114.5.27. EXPERIMENTAL DESIGNS. X.8770 X.5370 X.7770 We thank you for your Hs4/LG10.5.27. replying to our DA/EV2/M7.5.27., and note with interest your comments on… | ||
| scan0163 | Design considerations and standardisation for various vehicle components. | ||
| View original record | contd :- -2- (7) CAST DASH. Although this may not be required now in order to provide a steady steering column, we still wish for it, or its equivalent, in order that we may have a bonnet which will… | ||
| scan0164 | Note on fitting a vertical front axle with vertical pivots on a 98-NK chassis. | ||
| View original record | To Hs. from RHC. c.c. A.J.L. X8770 RHC4/BE 16.5.27. 98-NK. CHASSIS FRONT AXLE Vertical Front Axle fitted with vertical pivots (in place of castor pivots). 13.5.27. RHC. [Faint upside-down text from… | ||
| scan0165 | Loan of an experimental Phantom for a visitor to gain experience with the Derby chassis. | ||
| View original record | To Hs. from BJ. BJ1/E25/5/27 Oy. expects to be in England from approximately the 14th June to 22 July. Can we lend him an experimental Phantom if he pays petrol &c.? I think it will be advantageous… | ||
| scan0166 | For a board meeting outlining eleven car design objectives. | ||
| View original record | To BJ. FOR BOARD MEETING. FROM R. c. to Wor. BY. Hs. +8770 R3/M25.5.27. OUR CAR OBJECTIVES. X. 8770 X. 5770 X. 5420 X. 8410 X. 8430 (1) To increase the road clearance on the rear bump, rear tank,… | ||
| scan0167 | Questioning the high speed of the 7-EX Phantom Engine compared to the standard car. | ||
| View original record | 48770 To Hs. from BJ. Phantom Engine. BJ20/E26/5/27 R9/M29/4/27 mentioned that 7-EX would do well over 80 MPH on a good level road and no head wind, with a covered body and load. Is there any special… | ||
| scan0168 | Performance testing of a 7-EX Phantom car before and after its trip to France. | ||
| View original record | To B.J. from Hs. X8770 Hs3/LG27.5.27. 7-EX - PHANTOM. BJ20/E26.5.27. X8770 X.8771 The engine in this car is standard as regards power. Performance tests taken over our standard test roads before it… | ||
| scan0169 | Confirming arrangements for a client (OY) to test a Derby chassis while in England. | ||
| View original record | To BJ. from Hs. X8770 Hs4/LG27.5.27. PHANTOM FOR OY. BJL/E25.5.27. We agree it would be advantageous for OY. to try Derby chassis whilst he is in England. Although it may not be convenient for himto… | ||
| scan0170 | Preliminary scheme for a revised Phantom engine with a dry liner aluminium block. | ||
| View original record | BY. from E. c. to BJ. Hs. X8770 E2/M1. 8. 27. PHANTOM - REVISED DRY LINER ALUM: X. 8770 ENGINE. X. 8050 We send you herewith print LeC. 2421 shewing preliminary scheme for the above. We should be glad… | ||
| scan0171 | Listing thirteen planned experiments in order of relative importance. | ||
| View original record | Y8770 To RHC. from Hs/Rm. Hs/Rm1/LG9.6.27. We have the following experiments in hand which we enumerate below in order of relative importance. We should be obliged if you will proceed with them as… | ||
| scan0172 | Request to the Experimental Department to loan a New Phantom car for P.N.'s trip to Cornwall. | ||
| View original record | [Handwritten] S/N. Hs. X8770 CWB Ring up 3 o'clock re. Car for P.N. [Typed] CWB19/GM/13-6-27. Dear Hs. P.N. is gradually getting much fitter and wishes from the end of this week to start gradually… | ||
| scan0173 | Letter discussing borrowing a Silver Ghost or a Phantom for an individual referred to as P.N. | ||
| View original record | S/W. Hs. X8770 CWB14/GM/17-6-27. Dear Hs. With reference to my previous letters to you regarding a car for PN. he now tells me that he has been able to borrow an old Silver Ghost from Messrs. Barker,… | ||
| scan0174 | Letter discussing the 10-EX 'Blue Sports Phantom', its performance, sales potential, and future model development. | ||
| View original record | To BJ. from R. c. to Hs. (8770 R4/M11.7.27. X.8774 X.8770 X 8440 RE. THE BLUE SPORTS PHANTOM. 10-EX. My dear BJ., This will be available for Sales to test in about 10 days. I would like Dodd (our… | ||
| scan0175 | Short memo from 'R.' to 'Hs/Rm.' in response to a telegram, regarding waiting for Hoopers to finish with a car. | ||
| View original record | To Hs/Rm. from R. 48770 X. 8770 X. 5770 R4/M15.7.27. In reply to your telegram of today, I will keep the car I have, and wait until Hoopers have finished. R. | ||
| scan0176 | Delay with car 10-EX and questioning whether to proceed with sending it to Frinton. | ||
| View original record | To Wor. from Hs/Rm. X8770 Hs/Rml/LGS.8.27. 10-EX CAR. X8774 We have run into trouble on this car. We anticipate it will be delayed about two days in consequence. We should like to know whether you… | ||
| scan0177 | Issues and modifications for the 10-EX experimental car. | ||
| View original record | To R. from Hs/Rm. 10-EX CAR. Attached is a list of the points where 10-EX car differs from standard. Our main difficulty in eliminating noises from the aluminium engine is due to the fact that the… | ||
| scan0178 | Listing modifications to the 10-EX car, differentiating it from the standard model. | ||
| View original record | X8770 To BJ. } FROM HS/RM. To R. } Hs/Rm4/LG9. 8.27. X8774 Referring to BJ3/E12.7.27. 10-EX car differs from standard in the following respects :- (1) Radiator with shortened tubes and integral… | ||
| scan0179 | F.10 blower issues and a list of urgent experimental work on various components. | ||
| View original record | RG. Hs. from R. c. to BJ. EFC. X 8770 R2/M22. 8.27. RE. RR.F.10 BLOWER AND EXPERIMENTAL WORK GENERALLY. X.4550 X.8770 X.3804 Regarding the F.10. blower it is difficult to understand why we cannot have… | ||
| scan0180 | Confidential memo discussing the lightening and simplification of a Phantom engine for sports use. | ||
| View original record | To Hs. BY. from R. c. to BJ. Wor. CONFIDENTIAL. X8770 R4/M29.8.27. LIGHTER AND SIMPLIFIED PHANTOM ENGINE FOR SPORTS, AND EAC10. X.8770 X.5770 X.7770 X.5010 within We are sending you/the next few days… | ||
| scan0181 | Potential inlet air noise issue in Phantom and 20 HP experimental engines. | ||
| View original record | Hs. from R. c. to BJ: 78770 R6/M5. 9. 9. 27. 08338 ROLLS-ROYCE LTD PHANTOM AND 20 HP. EXPERIMENTAL ENGINES RECENTLY BROUGHT HERE. X.5770 X.8870 X.8060 E. has been inclined to think that the inlets are… | ||
| scan0182 | Letter discussing two approaches for improving car engine performance and gearing, specifically mentioning the 40 HP and 20 HP models. | ||
| View original record | BJ. from R. C. to Hs. +8770 R7/M5.9.27. CARS IN GENERAL. X. 8770 X. 8410 X. 5770 X. 8771 X. 5771 I am coming to London on Thursday the 8th.inst., but shall be employed at Mr. Claremont's office on… | ||
| scan0183 | Proposed improvements for the Phantom car model. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. X8720 Hs7/LG6. 9. 27. PHANTOM IMPROVEMENTS. 13994 It is now well over 12 months since we carried out the last 10,000 miles test on the Phantom for… | ||
| scan0184 | List of 15 recommended new parts for a new chassis design, pending a 10,000-mile standardisation test. | ||
| View original record | contd :- -2- be able to get this on a car quickly. It is thought desirable that a new Chassis should be built up with the central oiling scheme. We therefore recommend that on this new chassis we… | ||
| scan0185 | The Brooklands tests for the 10-EX car, comparing its performance against a standard 40/50 touring car. | ||
| View original record | To R. from Hs/Rm. c.c. to BJ. Wor. c.c. to RG. E. c.c. to DA. BY. c.c. to OY. EP. c.c. to MX. Hm. X 8770 Hs/Rml/LG6.9.27. X8874 X8880 X8770 X788 X8771 BROOKLANDS TESTS - 10-EX CAR PERFORMANCE. These… | ||
| scan0186 | Vehicle performance testing, discussing engine speed limitations, modifications, and comparisons to previous trials. | ||
| View original record | contd :- -2- the driving seat that valve bounce is not starting. In point of fact, in standard touring trim, the engine was turning over at about 2900 r.p.m. for the whole length of the railway… | ||
| scan0187 | General remarks on the performance of the 10-EX car, covering suspension, steering, and the autovac system. | ||
| View original record | contd :- -3- GENERAL REMARKS - 10-EX CAR. This car held the track remarkably well although it was necessary to have 70 lbs. friction damping in addition to the hydraulics to get the best results. The… | ||
| scan0188 | Performance comparison report between Sports Touring Phantom chassis 10-EX and standard chassis 46-PK. | ||
| View original record | contd :- -4- The autovac will certainly be unsatisfactory for track work with a carburetter giving less induction pipe depression. The increased speed with the louvred bonnet we can only attribute to… | ||
| scan0189 | Table showing car speed test results under various altered conditions. | ||
| View original record | contd :- -5- STANDARD CONDITION OF CAR - HOOD DOWN - LOUVRED BONNET - C.O. OPEN - HIGH PRESSURES TYRES - UNDERSHIELD AND TAIL IN POSITION. | Alteration from standard condition. | Speed m.p.h. |… | ||
| scan0190 | Performance graph for a 10 EX aluminium engine with a turbulent head and long duration camshaft. | ||
| View original record | 10 EX. ALUM ENGINE COMP. RAT. 4.95-1 STANDARD INDUCTION AND EXHAUST LONG DURATION CAMSHAFT TURBULENT HEAD Graph Data: Vertical Axis (Y): B.H.P. Horizontal Axis (X): ENGINE R.P.M. Curve 1: B.H.P. C.O.… | ||
| scan0191 | Bar chart illustrating the gain or loss in lap speed (M.P.H.) for the 10 E.X. model under various configurations. | ||
| View original record | STANDARD CONDITION HOOD DOWN. C.O OPEN TAIL UNDERSHIELD AND WINGS ON H.P TYRES AND LOUVRED BONNET. GAIN OR LOSS IN LAP SPEED M.P.H. OVER STANDARD CONDITION GAIN LOSS C.O. CLOSED: LOSS 3.25 HOOD UP:… | ||
| scan0192 | List of proposed improvements for the Phantom model. | ||
| View original record | REVISED COPY. +8770 RL/M9.9.27. To Hs. from R. c. to BJ. Wor. c. to BY. E. Da. X.8940b. X.4663 X.8770 NEXT 10,000 MILES PHANTOM. I quite agree with the list of improvements enumerated in your… | ||
| scan0193 | Continued list of vehicle modifications and improvements, items 16 to 27. | ||
| View original record | contd :- -2- (16) FRONT SPRINGS made in silicon manganese and modified clip. (17) LESS DEEP & LIGHTER RADIATOR with integral shutters. (18) SPARE WHEEL CARRIER at the rear (horizontal). (19) FRAMED… | ||
| scan0194 | List of five improvements for the Phantom 'next 10,000 mile car'. | ||
| View original record | Hs. from DA. c. to R. BJ. Wor. c. to BY. E. X8770 DA1/M9.9.27. RE. PHANTOM IMPROVEMENTS. X.8770 NEXT 10,000 MILE CAR. X.8940b. With reference to Hs7/LG6.9.27., in addition to the improvements listed,… | ||
| scan0195 | Improvements to the clutch for the Phantom and Sports Car models. | ||
| View original record | Hs. from R. c. to BJ. c. to Wor. c. to BY. X8770 R2/M13.9.27. NEXT 10,000 MILES PHANTOM AND SPORTS CAR - CLUTCH. X. 8770 X. 8300 X. 8940b. X. 3774 Mr. Hardy has sent you today some improvements - (1)… | ||
| scan0196 | Recommending modifications to the Phantom engine for a proposed Sports Model, which would also benefit the standard model. | ||
| View original record | To Wor. from Hs. X8770 Hs3/LG3.10.27. SPORTS MODEL. X8774 In view of BJ7/E30.9.27., we recommend that the conference you suggest should take place as soon as possible. The Sports car however has now… | ||
| scan0197 | Outlining proposed modifications for a sports car and their benefits to the standard car model. | ||
| View original record | contd :- -2- (4) REDUCTION IN THE WEIGHT of the engine will also be equally as beneficial to the std. car. (5) MODIFICATION TO THE VALVE TAPPETS AND MECHANISM will be a distinct improvement on the… | ||
| scan0198 | Recommendation to assign an EAC number to the Phantom 'sports' chassis for record-keeping purposes. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. +8770 Hs4/LG5.10.27. PHANTOM 'SPORTS' CHASSIS. +877+ For the purpose of keeping records, it would be a great advantage if the Phantom sports… | ||
| scan0199 | List of urgent work required on various car components and experimental parts. | ||
| View original record | X8770 To RHC. from HS/Rm. Hs/RmL/LG19.10.27. We have the following work on cars which is requiring attention urgently :- (1) New exhaust manifold - 40/50 HP. (2) .900 steering and box - 40/50. (3) 1… | ||
| scan0200 | From 'R' suggesting modifications for the 20 HP car and renaming the obsolete 40/50 model. | ||
| View original record | Hs. from R. c. to BJ. Wor. BY. X8770 R1/M21.10.27. INDIA 3. X.8940b X.8770 X.5940c. X.5770 We ought to try to get both a [strikethrough]40/50[/strikethrough] 40/120 and a 20/60 HP. running in France… | ||
| scan0201 | Methods to increase the speed of a Phantom car, focusing on body design modifications. | ||
| View original record | X8770 Hs/Rm/LG27.10.27. HIGH SPEED PERFORMANCE. X8770 X8771 X788 We have previously indicated that the easiest way to obtain high speeds from a Rolls-Royce car is to pay attention to the design of… | ||
| scan0202 | Chart detailing the projected increase in speed from various alterations to a large touring car. | ||
| View original record | POSSIBILITIES OF TRUE FOR A LARGE CAR WITH 100 HP ENGINE AND NORMAL SPEED TOURING CAR 75 M.P.H. ALTERATION TO CAR | INCREASE IN SPEED M.P.H. REMOVING FRONT WINGS COMPLETELY | 6 M.P.H INCREASING B.H.P… | ||
| scan0203 | Modifications to the Phantom engine, specifically lowering the chassis and repositioning components. | ||
| View original record | BY. from R. c. to Wor. Hs. Hy. X8770 R1/M28.10.27. RE. PHANTOM ENGINE. X.8770 / X.8000 We contemplated two moves. We think this will be very expensive and delay lowering the chassis. To lower the… | ||
| scan0204 | Sports car being unavailable for a weekend due to the fitting of new lightened engine parts, and offering a loaner 12-EX car. | ||
| View original record | To CWB. from Hs. X8770 Hs3/LG31.10.27. SPORTS CAR. X8770 We are very sorry to say that this weekend the Sports car will all be in pieces in order to fit the new lightened crankshaft, connecting rods,… | ||
| scan0205 | Arranging for the experimental 12-EX car to be delivered to Bond Street Garage. | ||
| View original record | To CWB. from Hs. 48770 Hs5/LGl.11.27. We are arranging that 12-EX car will be at the Bond Street Garage on Thursday about 3-o'clock. We will send with the car a list of the experimental features which… | ||
| scan0206 | Outlining the upcoming testing of a modified crankshaft, tubular connecting rods, and a new slipper wheel in a 10-EX engine, along with promising results from tests on a modified exhaust manifold. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to EY. C8770 Hs6/LCL.11.27. PHANTOM. X8230 X8010 Next week we shall be testing the modified crankshaft, tubular conn. rods and new slipper wheel in 10-EX… | ||
| scan0207 | Modifications and requesting feedback for the 12-EX experimental car. | ||
| View original record | X9770 To CWB. from Hs/Rm. Hs/Rml/LG3.11.27. 12-EX CAR. X9770 This car is fitted with the new exhaust system and with hydraulic dampers arranged to give a considerable increase of loading with… | ||
| scan0208 | Incorporation of improvements into the F.2 series of the Phantom model. | ||
| View original record | Hs BJ. X9770 BY2/G.7.11.27. IMPROVEMENTS TO PRESENT PHANTOM. ---------------------------- At a Conference this morning of Wor. Hs., and BY. to discuss the improvements which are available it was… | ||
| scan0209 | List of proposed modifications to be incorporated into the Phantom F.2 series. | ||
| View original record | BJ. BY4/G.7.11.27. MODIFICATIONS TO PHANTOM WHICH SHOULD BE INCORPORATED IN F.2 SERIES. --------------------------------- 1. PARALLEL AXLE CONTROL. ----------------------- a/- This was standardised… | ||
| scan0210 | Report discussing decisions and standardisation for components like batteries, instruments, and radiators for the F.2 series. | ||
| View original record | - 2 - c/- Can be brought in at F.2 series. d/- We want decision as to whether we shall use headlamps of present size carried from the pressed wing stays or if we must fit sockets on cross members for… | ||
| scan0211 | Reversing the decision to bring a Springfield car to Derby due to a postponement in producing Springfield parts. | ||
| View original record | To B.J. from Hs. 48770 Hs2/LG7.11.27. Replying to BJ5/E3.11.27. Y3614 When we suggested getting a Springfield car over to Derby it was understood that we were going to start practically immediately to… | ||
| scan0212 | Criteria and considerations for implementing improvements on the Phantom model. | ||
| View original record | [Handwritten top left] Hs [Handwritten top center] X8770 To BY from BJ. Improvements to present Phantom. Copy to Wor., Hs., C., Sg., PN., CWB. With reference to BY2/GW/11/27, you will have seen that I… | ||
| scan0213 | Testing requirements for various components, including radiator cooling and axle control, for the F.2. series. | ||
| View original record | To BY from BJ. BJ2/E8/11/27 - 2 - carrier has received in actual practice on the road in its present form is not mentioned by you. 3. Pressed Steel Wingstays. This is mentioned in my memo. to Wor. of… | ||
| scan0214 | Unavailability of the 10-EX experimental car for a test drive due to ongoing work. | ||
| View original record | 48770 48774 To PN. from Hs. Hs2/LG9.11.27. Replying to PN9/GM7.11.27. As we are having to crowd such a lot of experimental work on 10-EX car, it is very difficult for us to say when this car will be… | ||
| scan0215 | Test driver's report on Chassis No. 12-EX after a 540-mile road test, detailing performance of springing, tyres, steering, and engine. | ||
| View original record | S/W. Hs. RECEIVED NOV 10 1927 Hs X8770 CWB4/GM/10.11.27. Re: Chassis No. 12-EX. I ran this car 540 miles during the weekend and on the whole found it quite a delightful car. I refer below in detail,… | ||
| scan0216 | Car's performance, covering the clutch, brakes, tyres, and steering column controls. | ||
| View original record | (2) CWB4/GM/10.11.27. Clutch. The clutch is very smooth, but appears to be just on the point of slipping at times, and on one occasion has actually slipped slightly. The clutch stop appears to be out… | ||
| scan0217 | Decisions from a conference on improvements and testing for the Phantom model. | ||
| View original record | [Handwritten top right] Y8770. [Handwritten left margin] HS To Wor. From BJ. Improvements to present Phantom. Copy to R., Hs., BY., C., Sx., CWB. _______________________ At our conference at Derby… | ||
| scan0218 | 10,000-mile test for the Phantom in France, listing parts to be standardized and new parts to be fitted. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. Da. c. to BY. Y8770 Hs3/LG14.11.27. PHANTOM 10,000 MILES TEST IN FRANCE. YS9406 = We have been instructed to send a std. Phantom car to France as soon as… | ||
| scan0219 | Decisions on Sports Phantom engine components and experimental testing of the 12-EX car. | ||
| View original record | To B.J. from Hs. X8770 Hs5/LG21.11.27. SPORTS PHANTOM. X8770 X8774 Although we anticipate R. will be writing on this matter, we think it might interest you to know the result of our visit to WW. After… | ||
| scan0220 | Report discussing the standardisation of a cylinder head for Phantom cars and development of a turbulent head for the 20 HP model. | ||
| View original record | contd :- -2- head cannot be standardised for use on all Phantom cars. R. foresaw difficulties, if we had attempted to sell the standard Phantom with the present head and the Sports Phantom with the… | ||
| scan0221 | List of features to be incorporated into the Production Phantom chassis for a 10,000-mile test in France. | ||
| View original record | Hs. from R. c. to BJ. Wor. BY. c. to E. DA. +4770 R3/M21.11.27. PRODUCTION PHANTOM - 10,000 MILES TEST IN FRANCE. X. 8940b X. 8770 X. 4663 Referring to your HS3/LG14.11.27., the following is a list of… | ||
| scan0222 | Continued list of component modifications and specifications. | ||
| View original record | contd :- -2- (22) New bonnet with improved lock. (23) Petrol tank sump modified to give more ground clearance. (24) Modified swan neck exhaust pipe. (25) Sheet metal wing stays. (26) .900 lead worm.… | ||
| scan0223 | The performance of an English Phantom car following testing at the General Motors Proving Grounds. | ||
| View original record | X8770 W HS OY13.R.11.23.27 November 23rd, 1927. Mr. Basil Johnson, Rolls Royce Ltd., London, England. (Copy for attention Mr. E.W. Hives) Dear Mr. Johnson: RE: 61-EF - English Phantom This car is the… | ||
| scan0224 | Testing an experimental car at the General Motors Proving Grounds, detailing the facilities and initial results. | ||
| View original record | 2 "The General Motors Proving Grounds do not hold back any information regarding their findings on their tests and are willing to open their books and give you all the information they have after… | ||
| scan0225 | Speed performance of the English Phantom and requesting a report from General Motors. | ||
| View original record | To OY. from Hs/Rm. [Handwritten] 88770 [Handwritten] 4469 Hs/Rm3/LG5.12.27. We are very interested in your note OY13/R11327 re. 61-EF the English Phantom. Naturally we are very disappointed that the… | ||
| scan0226 | Request for details on chassis modifications by General Motors to an American Co. 61-EF English Phantom. | ||
| View original record | Hs X8770 To Oy. (America) from BJ. c. to Hs. c. to EP. BJ7/D12.12.27. Re: American Co. 61-EF - English Phantom. With reference to Oy13/R.11.23.27, we shall be glad if you can let us have the clearest… | ||
| scan0227 | Proposing the sale of Mr. Royce's experimental Phantom car (7-EX) and discussing its subframe-mounted body. | ||
| View original record | L8770 To C. from Hs. c. to Hm. c. to Wor. Hs4/LG16.12.27. EXPERIMENTAL CARS. X780 We propose getting rid of the Phantom car which Mr. Royce has been using (7-EX). It will be necessary for this car to… | ||
| scan0228 | The general specifications for a sports chassis, listing parts identical to and different from the standard Phantom model. | ||
| View original record | To B.J. from Hs. c. to Wor. c. to BY. X8770 Hs1/LG17.12.27. SPORTS CHASSIS. X8774 X4663 R. was satisfied with the running and performance of 10-EX chassis (experimental Sports Car) which we took to… | ||
| scan0229 | Continued list of proposed modifications and special parts for sports cars. | ||
| View original record | contd :- -2- The first of these we anticipate will have to be made from sand castings. (3) Turbulent type head giving a comp. ratio of 5/1. (4) Cast iron cylinders, modified slightly to suit new head.… | ||
| scan0230 | Letter to Mr. Dodd in France requesting a complete weekly performance report on vehicle 14-EX. | ||
| View original record | X8970 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 28th Dec. 1927. Hotel Octobon, Le Canadel, Par le lavandou, Var, France. X8992 Mr. Dodd from Hs. We have received your measurements re. the amount… | ||
| scan0231 | Schedule for sending chassis 12-EX and 15-EX (an Alpine Phantom) to France. | ||
| View original record | Y8770 To BP. from Hs. Hs4/LG2.1.28. RE: 12-EX. X89406 [crossed out] X677 Replying to Hk14/Dn/MM29.12.27. attached. It will be 3 or 4 weeks before this car leaves for France. Before this time, we shall… | ||
| scan0232 | Request for the shock absorbers from Mr. Royce's car (7-EX) for examination. | ||
| View original record | To Hm. from Hs/Rn. +8770 +8520- Hs/Rn3/LG2. 1. 28. Will you please let us have the shock absorbers off 7-EX (Mr. Royce's car) for examination. Hs/Rn. | ||
| scan0233 | Letter from the US to UK office regarding a test report from General Motors for an English Phantom car. | ||
| View original record | ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. x8770 S/W 1/s OY 4.R.1.6.28 January 6th, 1928 Mr. Basil Johnson, Rolls Royce Ltd., London, England. (Copy for attention Mr. E. W. Hives) Dear Mr.… | ||
| scan0234 | Letter responding to a request for a full test report of the English Phantom 61-EF from the General Motors Proving Ground. | ||
| View original record | X8770 OY 4.R.1.6.28 January 6th, 1928. Mr. Basil Johnson, Rolls Royce Ltd., London, England. (Copy for attention Mr. E. W. Hives) Dear Mr. Johnson: RE ENGLISH PHANTOM - 61-EF In response to your… | ||
| scan0235 | Design improvements for the Phantom model related to ride quality, comfort, and steering. | ||
| View original record | HS X8770 To R. from BJ. Copy to Hs. BY DA/EV Wor.LHS.by.CWB. C.Sg.PN.E PRESENT PHANTOMS - RIDING QUALITIES, SEASICKNESS AND STEERING With reference to R2/M25.12.27, I discussed this yesterday with C.… | ||
| scan0236 | Car design modifications, including steering types and chassis length, to better meet customer requirements. | ||
| View original record | To R. from RH. BJ2/MJ.1.28 - 2 - To give our customers what they require, therefore, it is necessary to reduce the space occupied by the driver and increase the space occupied by the customer. This… | ||
| scan0237 | Review of the performance characteristics of the Continental Phantom model compared to the standard car. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. CWB. c. to PN. EP. X8770 Hs4/LG30.1.28. CONTINENTAL PHANTOM. X8774 Our views on this car are as follows. We think that we shall be worse off than… | ||
| scan0238 | Performance comparison of a sports engine and Continental Phantom against a standard car, detailing differences in aspects like engine smoothness, suspension, and braking. | ||
| View original record | contd :- -2- (5) Silence. The sports engine will be more audible than the standard engine owing to the louvred bonnets that must be fitted. We think that we shall be as good as the standard car for :-… | ||
| scan0239 | Technical discussion on vehicle controllability and a detailed analysis of the maximum speed of the Continental Phantom. | ||
| View original record | contd :- -3- of this car due to the body design and the type of road springs employed (the c. of g. is now 5" below the top of the tyres) the controllability of the car has been very materially… | ||
| scan0240 | Page discussing car performance at Brooklands, axle preferences, and improvements to starting and gear changes. | ||
| View original record | contd :- -4- appreciable periods on the Continent, it can seldom be reached in England. The reason for this is that on Brooklands we found that from a standing start we were doing 76 m.p.h. at the… | ||
| scan0241 | Progress report on engine tests, chassis vibrations, and various body fittings. | ||
| View original record | Hs. from Hs/Rm. Y8770 X 3196 Hs/Rml/LG4.2.27. The type test has not yet started. We have had trouble with the metering and distribution. We think we have now got this sufficiently good to run the… | ||
| scan0242 | Magneto supplier issues and modifications to the steering arrangement on an 8-EX chassis. | ||
| View original record | contd :- -2- With reference to the P.W. job. We have fitted a Lucas magneto because the Norths which are supposed to be silent are just about as noisy as the magnetos we were fitting 3 years ago. We… | ||
| scan0243 | Requesting clarification and costing for proposed modifications to a standard model. | ||
| View original record | f8770 To Hs. from BJ. Copy to Wor. C. Sg. [Strikethrough] SECRET. BJ12/E17.2.28 I am not quite clear in regard to what modifications R. wants to have included in our standard model as soon as… | ||
| scan0244 | Logistics and cost of fitting modified parts to the Phantom car. | ||
| View original record | To B.J. from Hs. c. to Wor. C. c. to Sg. BY. X8770 Hs2/LG20.2.28. PHANTOM - SECRET. Replying to BJ12/E17.2.28. The question of fitting the modified parts on to the Phantom car is being carefully gone… | ||
| scan0245 | Incorporating EAC.14 improvements onto standard F.2 series cars. | ||
| View original record | DA. c. Hs. c. G. 48770 BY3/G.24.2.28. re INCORPORATION OF EAC.14 IMPROVEMENTS ON STANDARD CARS. ------------------------------------------------- The best that we can do in the above direction on F.2… | ||
| scan0246 | Agreeing to suggestions for improvements on the Phantom Chassis P.2 series and confirming their installation. | ||
| View original record | V8770 HS To RV from BJ. Copy to Wox. Copy to Hs. BJ25/E27.2.28 IMPROVEMENTS ON PHANTOM CHASSIS - P.2. SERIES. The suggestions made in HY7/G.24.2.28 are agreed. It is presumed that all the items in… | ||
| scan0247 | Proposed improvements for a further 100 Phantom cars, series G-2-B. | ||
| View original record | To R. from Hs. c.c. to EJ. Wor. c.c. to E. DA. c.c. to EY. +8770 Hs1/LG24, 4.28. PHANTOM IMPROVEMENTS. x7770 x4663 x4554 The C.O. are pressing for the release of instructions for producing a further… | ||
| scan0248 | Part modifications and seeking approval to order materials for the 12-EX and 14-EX cars. | ||
| View original record | contd :- -2- the number of Enots Lubricators to be hand-oiled. All these parts are fitted to 12-EX car which is at present in France. It will be necessary for us to give permission for the material to… | ||
| scan0249 | Analysis of power and compression ratios for the F.2.B. series low compression engine. | ||
| View original record | BJ. from Hs. c. to Wor. PN. c. to CWB. EP. c. to C. Mx. Y8770 POWER - F.2.B. SERIES. X.790 X.7771 X.7770 We do not anticipate that there will be any appreciable increase in power on the F.2.B. series… | ||
| scan0250 | Letter from Maurice Olley in Springfield, Mass. to Mr. Robotham in Derby, regarding notes on chassis changes. | ||
| View original record | X8770 ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. OY5.R.7.12.28 July 12th, 1928. Mr. Robotham, Rolls Royce Ltd., Derby, England. Dear Mr. Robotham: Very many thanks for your letter… | ||
| scan0251 | Car improvement progress, delays due to aero work, and concerns about stock levels. | ||
| View original record | Hs. from R. X8770 c. to BJ. Wor. c. to BY. CWB. c. to PN. C. c. to SG. F. R3/M26.10.28. X.8770 X.2917 X.4674 X.4657 X.180 RE. CAR IMPROVEMENT PROGRESS. In my memos, I am not complaining of the amount… | ||
| scan0252 | Recommendation to fit a 14-tooth axle to a car for South Africa to counteract power loss at high altitude. | ||
| View original record | W/S. X8770 Whr. from Hs/Rm. X8350 Hs/Rm7/LG2.11.28. Mr. Bryan of Thrupp & Maberley was here yesterday shewing us their car for the Scottish Show. He mentioned that they were preparing a RR. car for… | ||
| scan0253 | Review and road test of a 1½ litre Alfa-Romeo. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. SG. 48770 Hs/Rm2/LG13.11.28. 1½ LITRE ALFA-ROMEO. H4682 2.44" X 3.22" 6-cyl. 5 main bearings - top gear 5.4/1. We spent last week trying the… | ||
| scan0254 | Report page detailing engine smoothness at various RPMs and engine power characteristics. | ||
| View original record | contd :- -2- one could drive it really fast on wet roads with no apprehension. (2) Smoothness of the engine. The engine was remarkably smooth up to 5,500 r.p.m. There being no crankshaft damper, all… | ||
| scan0255 | Road test report page detailing issues with a car's brakes and steering, with a summary comparison to an Alfa Romeo. | ||
| View original record | contd :- -3- be made to detonate at full torque low speed. There was no torque reaction/at any speed or indication that the car had been driven hard for 800 miles. (4) Gearbox. Very silent for this… | ||
| scan0256 | Comparing a 20 HP model with a supercharged Alfa Romeo, discussing performance, price, and cooling. | ||
| View original record | contd :- -4- attracted by the silence, sweetness and suspension of the 20 HP. but its performance is not good enough for him. He is delighted with the Alfa Romeo and is ordering two more similar cars… | ||
| scan0257 | Instruction to dismantle a dummy chassis, sending usable parts to Stores and scrapping the remainder. | ||
| View original record | To Hm. from Hs. X8770 Hs2/LG23.11.28. DUMMY CHASSIS. X180 With reference to the dummy chassis which we have sent over to the Repair Dept. We have no further use for this and wish to dispose of it.… | ||
| scan0258 | The testing status of various car components and the history of the V. series chassis. | ||
| View original record | To BJ. from Hs/Rm. c. to Wor. 48770 X7770 Hs/Rm5/LG5.12.28. With reference to BJ2/E26.11.28. Hs. is at present at West Wittering. The parts that have been tested for less than 5000 miles are :- Frame.… | ||
| scan0259 | Request to return non-standard parts from a chassis to the Experimental Department. | ||
| View original record | x8770 To Hm. from Hs/AJL. Hs/AJL1/LG22.1.29. 98-NK CAR. X160 Would you please arrange to have the following non-standard parts at present on the above chassis, returned to the Expl: Dept: Jaeger… | ||
| scan0260 | Investigation into an engine 'boom' noise in S.S. and 21-EX cars, attributing the cause to gearbox amplification of engine vibration. | ||
| View original record | X8770 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby, Angleterre. 5th. July 1929. Messrs. Rolls-Royce Ltd., Sevres, Paris, France. X7770 X8770 Mr. Hancock from Hs/Rn. Sales have severely criticised S.S.… | ||
| scan0261 | Arranging a trip to Paris to repeat tests on axles for the 21-EX model on French roads. | ||
| View original record | contd :- -2- I propose to come over to Paris on Tuesday next the 9th., and repeat some of the tests we have tried over here on 21-EX. At the same time if you have found any marked difference between… | ||
| scan0262 | Test report on the Phantom 1 gearbox with a continuous helical 3rd speed. | ||
| View original record | x8770. To R. From Hs. c. to SS. c. to F.R. c. to R. c. to EV. No.S/AJ.5.12.29. x8310 x8770. PHANTOM 1 GEARBOX WITH CONTINUOUS HELICAL 3RD. SPEED. We have tested Phantom 1 with the gearbox which is… | ||
| scan0263 | Resolving suspension complaints for the Phantom 1 model. | ||
| View original record | X8770 To R. From Hs/Rn. c. to Sg. or. c. to Da. E. c. to Hy. Hn. He/Rn.1/HY.10.12.29. X8770 X8005 X8840 X235 Y8410 PHANTOM 1 SUSPENSION. In conjunction with the Repair Dept., we are carrying out tests… | ||
| scan0264 | Analysis of vehicle ride quality issues, focusing on suspension, springs, and shock absorbers. | ||
| View original record | -2- Hs/RM.1/AL.10.12.24.Contd. fabric body, however, is most difficult to deal with as it has a tendency to pitch over the whole running range. Such cars also ride harshly at low speeds. The higher… | ||
| scan0265 | Efforts to improve ride quality on Phantom I cars, focusing on front springs and drilled valves. | ||
| View original record | -3- Hs/BM.1/RL.10.12.29. Contd trying out some front springs having greater initial deflection and increased free camber. We anticipate that these may lower the frequency of the pitching speed which… | ||
| scan0266 | Slow running performance of the EAC.11 engine and proposing carburettor control modifications. | ||
| View original record | To Hs. from R. c. to CJ. 48771 S E C R E T. R7/M6.10.24. EAC.11. SLOW RUNNING. X.8770 X.8240 X.8771 X.8080 I was interested to learn that the slow running of the EAC. engine on the test bed is equally… | ||
| scan0267 | Bench test report for an E.A.S. II engine. | ||
| View original record | BENCH TEST REPORT. X8771 TYPE OF ENGINE: E.A.S. II. ENGINE NO.: DATE: 10-10-29. BAROMETER: AIR TEMP: DESCRIPTION OF ENGINE:- COMPRESSION RATIO: 4.82/1. INDUCTION SYSTEM: C.I. PIPE STD. EXHAUST SYSTEM:… | ||
| scan0268 | Bench test report for an EAC Low Compression engine. | ||
| View original record | BENCH TEST REPORT. Y8771 TYPE OF ENGINE: EAC. LOW COMPN: ENGINE NO.: IV EAC II DESCRIPTION OF ENGINE: - COMPRESSION RATIO: 3.925-1 INDUCTION SYSTEM: Standard - Double branch EXHAUST SYSTEM: Straight… | ||
| scan0269 | Testing and issues with engine 1V. EAC.11., covering the carburettor, oil pressure, ignition, an oil leak, and magneto. | ||
| View original record | ENGINE 1V. EAC.11. The carburetter on this engine is fitted with an air valve spring of a strength recommended by ACL. Though this gives excellent power, it appears to produce an exceptionally weak… | ||
| scan0270 | Engine's test bench performance, detailing total run time and slow running speeds. | ||
| View original record | 111-EAC-11. This engine has been run a total of 28 hours on the test bench. With the same carb. setting as that used for the power curve, slow running of 160 r.p.m. was obtained on the battery, 210… | ||
| scan0271 | Bench test report for an engine with performance and specification data. | ||
| View original record | BENCH TEST REPORT TYPE OF ENGINE: W SAC II ENGINE NO.: 3 DESCRIPTION OF ENGINE: - COMPRESSION RATIO: 4-1 INDUCTION SYSTEM: Standard EXHAUST SYSTEM: Two down pipes. Front silencer. Test House… | ||
| scan0272 | Secret memo discussing a meeting with Mr. Hives and the suitability of different engine oils. | ||
| View original record | X.8770 To HS. from R. S E C R E T. R2/M6.2.25. c. to CJ. E. A. C. 'V' SERIES - 98-NK. X.8770 Naturally I shall be very pleased to see Mr. Hives with the above model at his convenience, but do not let… | ||
| scan0273 | Secret memo providing instructions for the Unit Engine Test of the EAC 'V' Series. | ||
| View original record | 48771 To Wor. To E. To EP. To BY. To Mx. To Sft. FROM Hs. S E C R E T. Hs2/LG7.2.25. E. A. C. We attach for your information instructions - RE. UNIT ENGINE TEST - EAC. 'V' SERIES. Hs. | ||
| scan0274 | Suggesting modifications to the 'running in' test procedure for the EAC 'V' series engine. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. S E C R E T. EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACL/LG6.2.25. UNIT ENGINE TEST - EAC 'V' SERIES. Re. Specification of Unit Engine Test EP1/H20.1.25. We… | ||
| scan0275 | Engine running-in procedures and full load power tests. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACL/LG6.2.25. The jet could be so proportioned that the cylinders would be getting a steady supply & and this would… | ||
| scan0276 | Engine test conditions and checking procedures. | ||
| View original record | -3- EXPERIMENTAL REPORT. Expl. No. REF Hs/ACL/LG6.2.25. Water temperature (top) during these tests should be maintained at 80°C. The oil pressure should be not less than 30 lbs.sq.in. at the high… | ||
| scan0277 | Page detailing compression ratios, tappet clearances, and power correction. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -4- Expl. No. REF: Hs/ACL/LG6.2.25. poured into the cylinder - noting the amount put in - until it is level with the bottom threads in… | ||
| scan0278 | Particulars and test bench results for the EAC 'V' Series engine. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -5- EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACL/LG6.2.25. SOME PARTICULARS OF EAC. 'V' SERIES. Bore and stroke. 4.25 X 5.5" Swept vol. 1 cyl. 78.02 cu.ins. or… | ||
| scan0279 | Average engine performance curves for Brake Horsepower and petrol consumption at various RPMs. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -6- Expl. No. REF Hs/ACL/LG6.2.25. EXPERIMENTAL REPORT. You will probably have to obtain a value for the particular exhaust system you use on the Unit Test… | ||
| scan0280 | Valve timing setting diagrams for E.A.C. V Series engines, detailing standard and test house configurations. | ||
| View original record | VALVE SETTING. E.A.C. V SERIES TDC. IN.O. EX. 12. TAPPETS MUST HAVE .010 CLCE. FOR THIS SETTING THIS IS THE STD MARKING ON F.W. IN 44. EX. 48. VALVE SETTING GIVEN, WITH .020 TAPPET CLCE. FOR USE IN… | ||
| scan0281 | Dynamometer test results for an EAC V series engine comparing different silencers. | ||
| View original record | X8771 Hs/ACL/T14.2.25. To EP. from Hs/ACL. c. Mr. McMillan. S E C R E T. E. A. C. X.8771 X624 Re DYNAMOMETER TESTS OF EAC. V ENGINES. Attached are figures for the power output of EAC. V Series engine… | ||
| scan0282 | Graph of horsepower at the road wheels versus engine RPM from dynamometer tests on an E.A.C. V series engine. | ||
| View original record | E.A.C. V SERIES ENGINE. DYNANOMETER TESTS. POWER AT ROAD WHEELS. BAR. 764.S M.M. AVGE ROOM TEMP. 16°C. H.P. AT ROAD WHEELS. ENGINE R.P.M. CUT OUT OPEN. c/o.CLOSED (CALCULATED) | ||
| scan0283 | Bench test report for an EAC II engine, number 6-EAC-II. | ||
| View original record | BENCH TEST REPORT TYPE OF ENGINE: EAC II ENGINE NO.: 6-EAC-II DESCRIPTION OF ENGINE: - COMPRESSION RATIO: 4.1 : 1 INDUCTION SYSTEM: STANDARD EXHAUST SYSTEM: TEST HOUSE PIPES DATE: 18.3.25 BAROMETER:… | ||
| scan0284 | Bench test report for engine number 7 E.A.C. II. | ||
| View original record | BENCH TEST REPORT TYPE OF ENGINE: E.A.C. II. ENGINE NO.: 7 E.A.C. II. DESCRIPTION OF ENGINE :- COMPRESSION RATIO: 4.04 : 1 INDUCTION SYSTEM: STANDARD. EXHAUST SYSTEM: TEST HOUSE PIPES. DATE: 30-3-25… | ||
| scan0285 | Engine timing, performance metrics, and testing for the New Phantom open trials car. | ||
| View original record | X.8771 To FN. from Hs. c. to BJ. c. to EP. c. to CWB. Hs9/LG19.5.25. OPEN TRIALS CAR - NEW PHANTOM. With reference to FN3/EN19.5.25. Our man Bagley in London should be able to quickly determine… | ||
| scan0286 | Expressing dissatisfaction with the high-speed performance of the 'New Phantom' during open trials. | ||
| View original record | To Hs. from PN. c. to BJ. EP. CWB. X. 8771 PN3/DN19.5.25. RE. 40/50 HP. OPEN TRIALS 'NEW PHANTOM'. X. 8950 X. 8771 I do not feel at all satisfied with the high speed performance of this car. I can get… | ||
| scan0287 | Request for average road wheel horsepower (HP) curves for the EAC 'V' series. | ||
| View original record | Mx/Mac. from Hs/Rm. X8771 Hs/Rm2/LG11. 8. 25. HORSE POWER CURVES. Will you please let us have an average of the road wheel H.P. curves that have been obtained up to the present for EAC. 'V' series.… | ||
| scan0288 | Urgent request for mean effective pressure curves for Silver Ghost and New Phantom Engines. | ||
| View original record | Hs. c.c. EP. [Strikethrough] x8771 [Handwritten] EWT/McM3/MC7.10.25. U. [Stamped] Will you please supply EP. with mean effective pressure curves for Silver Ghost and New Phantom Engines. We understand… | ||
| scan0289 | Attached blueprints of minimum power curves for the 'Silver Ghost' and 'New Phantom' models. | ||
| View original record | c. Hs. X8771 EP/Thn9/H12.10.25. With reference to your CWB3/LH5.10.25. We attach herewith Blue Prints showing the minimum power curves of the "Silver Ghost" and "New Phantom", both on the unit test… | ||
| scan0290 | Requirement for brake mean effective pressure curves for Silver Ghost and New Phantom models. | ||
| View original record | To EWT/McM. from Hs/Rm. Y8771 Hs/Rm1/LG19.10.25. X3056 We understand from EWT/McM3/MC7.10.25 that you require some brake mean effective pressure curves for Silver Ghost and New Phantom. We trust the… | ||
| scan0291 | Analysing the new 6 1/2 litre Bentley as a competitor to the New Phantom. | ||
| View original record | R.R. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8771 REF. Hs/Rm4/LG231025 To R. from Hs/Rm. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to PN. Wor. c. to EP. CWB. NEW 6 1/2… | ||
| scan0292 | Comparing the performance and specifications of various cars, including the Phantom and Bentley. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Hs/Rm4/LG231025 140 clutch B.HP. available while the Phantom has only 109 B.HP. The increased efficiency at high… | ||
| scan0293 | Hand-drawn graph comparing Flywheel Brake Horsepower (B.HP) against Engine R.P.M. for the 'New Phantom' and 'Bentley' models. | ||
| View original record | FLYWHEEL B.H.P. ENGINE R.P.M. BENTLEY NEW PHANTOM Y-Axis: 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140 X-Axis: 500, 1000, 1500, 2000, 2500, 3000 | ||
| scan0294 | German horsepower rating for the 'New Phantom' chassis. | ||
| View original record | X8771 BY. EP. Hs. Hm. EP. D/Sn5/GH3.11.25. Re German Horse Power of "New Phantom" Chassis. Please note that, we have just heard from our German Agents to the effect that the "New Phantom" Rolls-Royce… | ||
| scan0295 | Comparing car speeds at Brooklands and suggesting a new test for the EAC.1 car. | ||
| View original record | To Hs. from R. 48771 R3/M24.11.25. RE. SPEED ON BROOKLANDS. X.788 X.8920 X.8771 The London to Edinburgh car of about 1911. I seem to remember did 78¼ miles on Brooklands, now with greater H.P. we only… | ||
| scan0296 | The preliminary results of a Brooklands test on a Phantom short chassis with a Barker sports body. | ||
| View original record | R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. X872P REF Hs/Rm2/LG17.11.25. To R. from Hs/Rm. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. CWB. c. to PN. BROOKLANDS… | ||
| scan0297 | Performance chart from Brooklands comparing engine RPM to road wheel BHP and lap speeds for various car configurations. | ||
| View original record | BROOKLANDS Nov. 1925 TABLE: CONDITION OF CAR LAP SPEED HALF MILE SPORTS CAR HIGH COMPRN. 17 TOOTH AXLE. STANDARD CONDITION C.O. CLOSED 79.2 80.4 STANDARD CONDITION C.O. OPEN 80.5 82.6 STANDARD TOURING… | ||
| scan0298 | Factors affecting a vehicle's maximum speed, with results from tests at Brooklands. | ||
| View original record | R.R. 493A (50 H) (D.D. 91. 12-6-25) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF: Hs/Rm2/LG171125 FACTORS AFFECTING MAXIMUM SPEED. Top windscreen panel raised. .8 m.p.h. Increase of 11.3 clutch HP.… | ||
| scan0299 | The performance of the 10-EX car at Brooklands track, identifying wind resistance as the key factor for maximum speed. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Handwritten numbers: 48771, 48528, 4788 COPIES TO: RCJ BJ WOR By E Da EP PN OY CWR RS YX Expl. No. X8771 REF. Hsl/LG30.11.25. OBJECT OF… | ||
| scan0300 | The windage and acceleration tests of the 10-EX New Phantom car at Brooklands. | ||
| View original record | R.R. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/Rm/LG30.11.25. BROOKLANDS TESTS - NEW PHANTOM. We have carried out our standard windage and acceleration tests on… | ||
| scan0301 | Analysing the performance of a sports car body, focusing on horsepower curves and carburation. | ||
| View original record | EXPERIMENTAL REPORT. -2- Expl. No. REF: Hs/Rm/LG30.11.25. in the back of the car is considerable. Any delicate measuring instrument therefore suffers accordingly. It is perfectly clear from our tests,… | ||
| scan0302 | Car performance relating to high axle ratios and high compression engines. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF Hs/Rm/LG30.11.25. performance due to a high axle ratio and high compression engine. On direct drive, owing to the… | ||
| scan0303 | The Phantom's HP curve and brake performance compared to other models. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -4- Expl. No. REF: Hs/Rm/LG30.11.25. The standard Phantom is represented by a car with a H.P. curve which is a little below the average… | ||
| scan0304 | Graph of 'V' Series average power curves with the cut-out closed, showing Brake Horse Power and B.M.E.P. vs engine R.P.M. | ||
| View original record | "V" SERIES AVERAGE POWER CURVES. Y8771 AVERAGES TAKEN OF PRODUCTION UNIT TEST TAKEN BETWEEN 11-2-25 AND 12-3-25. " " PRODUCTION DYNAMOMETER TESTS BETWEEN 5-3-25 AND 30-4-25. CUT - OUT CLOSED. BRAKE… | ||
| scan0305 | Axle ratios and weights for Mr. Geoffrey Summer's cars. | ||
| View original record | X8771 To BJ: from Hs. Hs1/LG14.12.25. X1725 +411I X4578 MR. GEOFFREY SUMMER'S CAR - 117-MC. BJS/H11.12.25. We have confirmed that the axle ratio on his Silver Ghost car was 16/52, and also that the… | ||
| scan0306 | The acceleration performance of Mr. Geoffrey Summers' car, 117-MC, compared to a standard Phantom. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. Expl. No. REF. Hs/Rm/LG1412125 EXPERIMENTAL REPORT. MR. GEOFFREY SUMMERS CAR - 117-MC. With reference to the report on the performance of this car. The… | ||
| scan0307 | Comparing braking and acceleration figures for a Phantom against other vehicles. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF:Hs/Rm/LG1412125 The braking figures are very interesting. The results for the Phantom seem remarkably consistent, but… | ||
| scan0308 | Comparing the acceleration and speed performance of Sunbeam and Vauxhall cars. | ||
| View original record | R.R. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF: Hs/Rm/LG14.12.25 The Sunbeam acceleration figures are interesting because they shew that though stream-lining can… | ||
| scan0309 | With graphs comparing vehicle acceleration against road speed for different models. | ||
| View original record | R.R. 493a (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. -4- Expl. No. REF: He/Re/LG14.12.25 GRAPH 1. Accn Ft./Sec.2 ROAD SPEED. M.P.H. SUMMERS' PHANTOM 117MC. STANDARD PHANTOM 98NK. Individual… | ||
| scan0310 | Comparing vehicle acceleration times and braking distances. | ||
| View original record | R.R. 498A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -5- Expl. No. REF Hs/Rm/L.C14.12.25 Expressing the time to accelerate in m.p.h. and seconds, instead of as in Graph 1. - we have :- |… | ||
| scan0311 | The fundamentals of car performance and the effect of wind on the maximum speeds of touring cars. | ||
| View original record | Expl: Report. Expl: No. X8771 Ref. Hs/Rm/LG15.2.26. To R. from Hs/Rm. c. to CJ. BJ. RG. c. to E. DA. BY. c. to OY. PN. Wor. c. to EP. Hm. CWB. c. to H. FUNDAMENTALS OF CAR PERFORMANCE. X1505 X4578… | ||
| scan0312 | Graph and text detailing the effect of wind on a car's required horsepower and maximum speed. | ||
| View original record | contd :- -2- obtain good acceleration and consequently the power available is already falling off at the 'still air' maximum speed. GRAPH I. Effect of Wind on Car Maximum Speed. Graph Table: H.P. TO… | ||
| scan0313 | Graph and analysis of the horsepower required to overcome wind resistance at various road speeds. | ||
| View original record | contd : -2- If on the other hand the car is originally travelling at 60 m.p.h. and a head wind of 10 m.p.h. again blows upon it, the extra H.P. necessary to keep the car going is 20 HP. In other words… | ||
| scan0314 | Copy of a telegram regarding engine development for record M E P & speed on aero and modified Phantom engines. | ||
| View original record | Byr. Hs. X8771 Copy of telegram received at Rolls-Royce Works, 8 p.m., 9.4.26 ROYCAR DERBY ANGLETERRE MESSRS ROWLEDGE BAILEY HIVES DO EVERYTHING POSSIBLE FOR RECORD M E P & SPEED BY END OF MONTH ON… | ||
| scan0315 | Test report on a 6-cylinder Bentley car, evaluating its suspension and performance against a Phantom. | ||
| View original record | To R From Hs. c. to BJ. Wor. c. to RG. EJ. c. to DA. BY. c. to FH. OWB. X48771 HS2/LG23.7.26. 6-CYL. BENTLEY CAR. X3805 X8771 We have had an opportunity of testing a 6-cyl. Bentley car. The car was… | ||
| scan0316 | Vehicle performance issues including engine noise, slow running, clutch, and steering wobble. | ||
| View original record | contd :- -2- The engine was inclined to detonate at low speeds. The makers recommend the car should only be run on 50% benzol mixture. (3) SILENCE. There was a fair amount of noise from the engine.… | ||
| scan0317 | Issues with cooling, brakes, oil consumption and an owner's comparison of a Bentley to a Silver Ghost. | ||
| View original record | contd :- -3- (7) COOLING. The owner complained of heat in the front seats. There were side ventilators and a Spinney type ventilator. He also stated that the car lost a considerable amount of water… | ||
| scan0318 | Graph comparing the acceleration performance of various 6-cylinder Rolls-Royce and Bentley cars. | ||
| View original record | COMPARISON OF R.R. AND BENTLEY 6 CYL CARS BENTLEY READINGS X X X 6½ LITRE BENTLEY SPORTS PHANTOM 10 EX STANDARD PHANTOM TOURER ACCN FT/SEC² ROAD SPEED M.P.H. | ||
| scan0319 | Preliminary tests of the Lighter Phantom Engine, detailing weight savings, compression ratio, and detonation characteristics. | ||
| View original record | To R. from Hs/ACL2 c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to OY. X8711 Hs/ACL2/LG5.10.26, LIGHTER PHANTOM ENGINE. X699 We have had the lighter Phantom engine running and made some preliminary… | ||
| scan0320 | Technical report on engine performance, covering ignition advance, detonation, and turbulence on car 10-EX. | ||
| View original record | contd :- -2- ratio but considerably less intense than the 5.2 to 1 ratio used on car 10-EX. It was found that less ignition advance was required when the two ignitions were synchronised than when used… | ||
| scan0321 | Engine modifications, including compression ratio changes and ignition system tests. | ||
| View original record | contd :- -3- head, whereas previously this clearance was .128. This resulted in raising the compression ratio from 4.45 to 1 to 4.69 to 1. In addition the piston was slightly flattened so as to remove… | ||
| scan0322 | Engine efficiency tests comparing synchronized and single ignition systems under various loads. | ||
| View original record | contd :- -4- in the standard position and synchronised ignitions gave no different results to single - see report Hs/ACL/LG18.9.25 attached to Hs4/LG18.9.25. The form of these curves shew how… | ||
| scan0323 | Engine efficiency tests comparing dual and single ignition and the effects of cooled exhaust valves on detonation. | ||
| View original record | contd :- -5- The brake efficiency naturally falls as the load is reduced, due to the friction and pumping losses assuming a relatively greater proportion to the power developed, but it will be seen… | ||
| scan0324 | Engine detonation characteristics, compression ratios, and ignition system performance. | ||
| View original record | contd :- -6- The detonating characteristics of this engine seem little different to those of the std. Phantom and it is unlikely that any appreciable higher compression ratio could be employed than… | ||
| scan0325 | Graph comparing power output and ignition advance for a new aluminium engine and a standard engine. | ||
| View original record | POWER OUTPUT & IGNITION ADVANCE FOR THE NEW ALUM. ENG. AND STD ENGINE. PARK ADVANCE. DEGREES. B.H.P. B.M.E.P. lbs/□" R.P.M. SYNCHRONISED IGN. STD ENG. SINGLE IGN ON LIGHTER PHANTOM SYNCHRONISED IGNS… | ||
| scan0326 | Graphs comparing engine fuel consumption efficiency with one versus two spark plugs under different loads. | ||
| View original record | Top Graph: △ TWO PLUGS SYNCHRONISED. ◉ ONE PLUG. CARB. SIDE OF ENGINE. LIGHTER PHANTOM ENGINE. SPECIFIC CONSUMPTION WITH ONE & TWO IGNITIONS. 4.69 TO 1 COMP. RATIO. CURVE SHEWS NO APPRECIABLE… | ||
| scan0327 | Two graphs showing ignition curves for the Lighter Phantom engine. | ||
| View original record | TOP GRAPH: 1000 R.P.M. B.M.E.P. = .705 x lbs LIFT Y-AXIS: lbs LIFT ON DYNO' X-AXIS: IGN. ADVANCE DEGS BEFORE T.D.C LEGEND: ◎ ----- SYNCHRONISED IGNITIONS. x - - - SINGLE IGN CARB SIDE. △ - - - SINGLE… | ||
| scan0328 | Requesting better Mean Effective Pressure for 20 HP and 40/50 HP engines. | ||
| View original record | To E. from R To Hs. " " c. to BJ. Wor. By. +8771 R1/M8.11.26. 20 HP. AND 40/50 ENGINES. X. 8771 X. 634 X. 5771 X. 8010 X. 8060 Better MEP. needed for the above - maximum HP. just under master… | ||
| scan0329 | Engine performance limitations due to detonations and vibrations at a specific compression ratio. | ||
| View original record | To Hs. E. from R. c. to BJ. Wor. BY. X8771 R2/M9.11.26. BETTER MEP. AT ALL SPEEDS UP TO 3000 RPM. X.8771 AND 4¾ COMPRESSION RATIO. X.634 X.8005 This cannot be increased because of detonations and… | ||
| scan0330 | Performance tests on a 7-EX Phantom car. | ||
| View original record | To B.J. from Hs. 48771 Hs3/LG27.5.27. 7-EX - PHANTOM. BJ20/E26.5.27. +8770 The engine in this car is standard as regards power. Performance tests taken over our standard test roads before it went to… | ||
| scan0331 | Potential car engine and gear improvements for the 40 HP and 20 HP models. | ||
| View original record | BJ. from R. C. to Hs. +8771 R7/M5.9.27. CARS IN GENERAL. X.8770 X.8410 X.5770 X.8771 X.5771 I am coming to London on Thursday the 8th. inst., but shall be employed at Mr. Claremont's office on Royce… | ||
| scan0332 | Failures in the Autovac petrol feed system on Phantom cars and experiments to improve it. | ||
| View original record | To R. from Hs/AJL. c. to BJ. Wor. c. to E. DA. c. to BY. OY. Y8771 Hs/AJL2/LG14.6.27. AUTOVAC PETROL FEED. X3579 The inability of the autovac petrol feed system on Phantom cars to supply the full… | ||
| scan0333 | Test results and a recommendation for adopting a larger petrol pipe for the Standard Phantom engine. | ||
| View original record | contd :- -2- out to the same inside dia. as the 3/8" petrol pipe. The results obtained are attached. The tests were carried out under the following conditions :- Standard Phantom engine. Petrol lifted… | ||
| scan0334 | Graph plotting the effect of petrol supply pipe size on Autovac delivery against engine RPM. | ||
| View original record | INDUCTION PIPE DEPRESSION (INS HG) 1.25" 2.05 2.9 3.8 AUTOVAC PETROL FEED EFFECT OF SIZE OF PETROL SUPPLY PIPE ON AUTOVAC DELIVERY. FULL THROTTLE AUTOVAC PETROL DELIVERY PTS/HR ENGINE DEMAND STANDARD… | ||
| scan0335 | Graph plotting Autovac petrol delivery against engine RPM, comparing standard and 3/8' pipe sizes. | ||
| View original record | INDUCTION PIPE DEPRESSION (INS: MERCURY) 8.6 13.8 16.2 AUTOVAC PETROL FEED EFFECT OF SIZE OF PETROL PIPE ON AUTOVAC DELIVERY AUTOVAC PETROL DELIVERY (PTS/HR) 90 80 70 60 900 1000 1500 2000 2500 ENGINE… | ||
| scan0336 | Graph showing the effect of petrol pipe size on Autovac petrol delivery at half throttle, plotted against engine RPM. | ||
| View original record | INDUCTION PIPE DEPRESSION (INS MERCURY) 5.5 10.1 12.8 14.4 AUTOVAC PETROL DELIVERY (PTS/HR) 90 80 70 60 50 AUTOVAC PETROL FEED. EFFECT OF SIZE OF PETROL PIPE ON AUTOVAC DELIVERY. STANDARD PIPE ------… | ||
| scan0337 | The performance tests of the 10-EX car at Brooklands, comparing it to a standard 40/50 touring car. | ||
| View original record | X8771 To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to CY. EP. c. to MX. Hm. hs/Rml/LG6.9.27. X8774 X8830 X8770 X788 X8771 BROOKLANDS TESTS - 10-EX CAR PERFORMANCE. These tests were… | ||
| scan0338 | Vehicle speed trials, performance limitations due to valve bounce, and proposals for further tests. | ||
| View original record | contd :- -2- the driving seat that valve bounce is not starting. In point of fact, in standard touring trim, the engine was turning over at about 2900 r.p.m. for the whole length of the railway… | ||
| scan0339 | General remarks on the performance of the 10-EX car, covering suspension, steering, and the Autovac system. | ||
| View original record | contd :- -3- GENERAL REMARKS - 10-EX CAR. This car held the track remarkably well although it was necessary to have 70 lbs. friction damping in addition to the hydraulics to get the best results. The… | ||
| scan0340 | Performance comparison of Sports and Standard Touring Phantom chassis 10-EX & 46-PK. | ||
| View original record | contd :- -4- The autovac will certainly be unsatisfactory for track work with a carburetter giving less induction pipe depression. The increased speed with the louvred bonnet we can only attribute to… | ||
| scan0341 | Table showing car speed tests under various configurations. | ||
| View original record | contd :- -5- STANDARD CONDITION OF CAR - HOOD DOWN - LOUVRED BONNET - C.O. OPEN - HIGH PRESSURES TYRES - UNDERSHIELD AND TAIL IN POSITION. | Alteration from standard Condition. | Speed m.p.h. |… | ||
| scan0342 | Bar chart showing the gain or loss in lap speed (M.P.H.) for the 10 E.X. model under various conditions. | ||
| View original record | STANDARD CONDITION. HOOD DOWN. C.O. OPEN TAIL UNDERSHIELD AND WINGS ON H.P. TYRES AND LOUVRED BONNET. GAIN OR LOSS IN LAP SPEED M.P.H. OVER STANDARD CONDITION GAIN LOSS C.O. CLOSED 3.25 HOOD UP 1.50… | ||
| scan0343 | Performance graph of an aluminum engine with a long duration camshaft and turbulent head, showing BHP vs RPM and various power loss/gain calculations. | ||
| View original record | 10 EX. ALUM ENGINE COMP RAT. 4.95-1 STANDARD INDUCTION AND EXHAUST LONG DURATION CAMSHAFT TURBULENT HEAD GRAPH: Y-Axis: B.H.P. X-Axis: ENGINE R.P.M. Top X-Axis Scale: 17 TOOTH M.P.H. & 16 TOOTH M.P.H.… | ||
| scan0344 | List of required improvements and specifications for the Sports Phantom engine and car. | ||
| View original record | REVISED COPY. X.8771 Hs. from R. c. to BJ. R1/M10.9.27. SPORTS PHANTOM ENGINE. X.8774 X.8771 X.8830 Results not good enough : we must do better before going into production. How? We must lighten and… | ||
| scan0345 | Required improvements for the Sports Phantom Engine and associated car before production. | ||
| View original record | Hs. from R. C. to BJ. 8771 R1/M10.9.27. SPORTS PHANTOM ENGINE. X. 8774 X. 8771 X. 8830 Results not good enough: we must do better before going into production. How? We must lighten and simplify the… | ||
| scan0346 | Brooklands track tests comparing a 17-tooth axle with a 16-tooth axle, noting poor weather and issues with a Claudel carburetter. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. OY. X8771 Hs/Rm2/LG13.9.27. BROOKLANDS TESTS. We carried out further tests with a 17-tooth axle on the track. Additionally we had intended to… | ||
| scan0347 | Test report summarising the effects of balloon tyres and modifications to valve springs and crankcase bolts. | ||
| View original record | contd :- -2- when these were removed and the steering was not so good. In these tests we gave balloon tyres an extended trial. They certainly improve the comfort of the car and give a feeling of… | ||
| scan0348 | The effects of various vehicle modifications on speed. | ||
| View original record | contd :- -3- (2) Undershield. This is clearly hardly worth while except as a means of keeping the car clean. As fitted it is surprisingly easy to manipulate. (3) Front wings. The latest type of front… | ||
| scan0349 | Record of speed tests conducted at Brooklands, showing the impact of various car modifications on lap times. | ||
| View original record | contd :- -4- (1) Cycle type front guards = 2 m.p.h. (2) Clutch HP. increased by 30.4/5 m.p.h. From various records such as that of Renault, a streamline saloon would perhaps give slightly more speed… | ||
| scan0350 | Bar chart illustrating the gain or loss in speed resulting from various vehicle alterations during tests at Brooklands. | ||
| View original record | BROOKLANDS SPEED TESTS 8. 9. 27. STANDARD CONDITION = COMP RATIO 4.95-1 TURBULENT HEAD ALUM ENGINE SPORTS TAIL UNDERSHIELD. SPECIAL WINGS C.O. OPEN. R.R. CARB. DOUBLE VALVE SPRINGS TOTAL LOAD VALVE… | ||
| scan0351 | Proposal to introduce a new graded scheme for chassis power tests based on engine RPM. | ||
| View original record | RECEIVED X8771 Mx1/T28.9.27 re Chassis Power Tests For some time past a minimum power curve of 3% below average has been worked to both on bench test and dynamometer. This at times necessitates a… | ||
| scan0352 | Arguing against higher geared rear axle ratios to improve low-speed performance and acceleration, particularly for the Australian market. | ||
| View original record | Shr. London. C. to Hn. Derby By HS. Hs. C. to C. London. +8771 RECEIVED Pt.C/S.G./M-11/10/27. Further to my memo. Pt.7/M-31-8-27 suggesting that we should endeavour to improve the power of our… | ||
| scan0353 | Engine performance, gearing ratios, and suitability for Australian conditions. | ||
| View original record | - 4 - that of the S.G. yet it is at practically the same revs. and with the higher geared axle it makes the maximum torque speed of the W.P. car approximately five miles an hour faster than the S.G.… | ||
| scan0354 | Analysis of the factors controlling the limiting oil temperature on F.XI engines. | ||
| View original record | To R. from Hs/ACL. c. to BJ. Wor. c. to RG. E. c. to BY. X8771 Hs/ACL1/LG17.10.27. SOME FACTORS CONTROLLING THE LIMITING OIL TEMPERATURE ON F.XI. ENGINES. X38443 X3871 We have now completed certain… | ||
| scan0355 | Technical analysis of heat distribution and friction losses in a 6-cylinder engine unit. | ||
| View original record | contd :- -2- The appended diagram shews the heat distribution in the 6-cyl. unit which was obtained by various tests which we will describe later. Examining the total friction losses we notice that… | ||
| scan0356 | Analysis of engine tests varying oil discharge to study its effects on heat dissipation from bearings and pistons. | ||
| View original record | contd :- -3- the quantity of oil thrown from the bearings would influence the amount of heat picked up from this source. We therefore varied the oil discharge from the bearings by means of an… | ||
| scan0357 | Continued report on experiments concerning engine oil temperature, circulation, and the effects of compression ratios on pistons. | ||
| View original record | contd :- -4- of 10% total oil circulation may account for some of the heat added to the oil but we have not observed at the most more than one half a degree C. between the inlet to the pump and the… | ||
| scan0358 | Supplement to a report on oil temperature, clarifying friction losses and heat transfer experiments on a Phantom engine. | ||
| View original record | To R. from Hs/ACL. c. to BJ. Wor. c. to RG. E. c. to BY. HS/ACL1/LG19.10.27. SUPPLEMENT TO REPORT ON OIL TEMPERATURE. (ref. Hs/ACL1/LG17.10.27.) Since writing the above report we have made a few… | ||
| scan0359 | Analysis of heat loss from the crankcase and the effect of reduced oil flow on engine temperatures. | ||
| View original record | contd :- -2- lost heat to the jackets. Light spring indicator diagrams of compression and expansion, without firing, shew that the air, or medium used, gains heat from the cyl. walls. Referring to the… | ||
| scan0360 | Energy diagram for a 40-50 HP engine with a 3.9 compression ratio, plotting energy percentage against R.P.M. | ||
| View original record | ENERGY DIAGM OF THE 40-50 RR. COMP RATIO 3.9 SEE SHEET 2. % OF THE INITIAL PETROL ENERGY. R.P.M. LOSSES THRU :- COOLING WATER EXH. GASES RADIATION CHARGING WK. INDICATED TH. EFFCY. PISTON POWER MOTOR… | ||
| scan0361 | Table of test results showing the effect of oil flow on temperature and heat given to oil. | ||
| View original record | EFFECT OF OIL FLOW ON TEMP. AND HEAT GIVEN TO OIL POWER OUTPUT 286 B.H.P. FULL THROTTLE: 2250 R.P.M. TABLE HEADERS: TEMP. DIFFCE (OUT-IN) °F. MAIN OIL FLOW lbs/MIN. B.T.U's/M TO COOLER TO MAINTAIN… | ||
| scan0362 | Sankey diagram illustrating the heat distribution and energy losses for a 6-cylinder FXI engine. | ||
| View original record | HEAT DISTRIBUTION In 6. CYL FXI ENGINE. 8/1 COMPn RATIO. DIRECT DRIVE. ENG. DEVELOPING 286 B.H.P. FULL THROTTLE 2250 R.P.M. SPECIFIC HEAT OF OIL 0.52. TOTAL OIL CIRCULATION THROUGH BEARINGS 33 lbs/MIN… | ||
| scan0363 | Methods to improve the high-speed performance of the Phantom model through body modifications. | ||
| View original record | X8771 Hs/Rm/LG27.10.27. HIGH SPEED PERFORMANCE. X8770 X8771 X788 We have previously indicated that the easiest way to obtain high speeds from a Rolls-Royce car is to pay attention to the design of… | ||
| scan0364 | Chart detailing potential speed increases from various modifications to a large 100hp touring car. | ||
| View original record | POSSIBILITIES OF TRUE FOR A LARGE CAR WITH 100 HP ENGINE AND NORMAL SPEED TOURING CAR 75 M.P.H. ALTERATION TO CAR | INCREASE IN SPEED M.P.H. --- | --- REMOVING FRONT WINGS COMPLETELY | 6 M.P.H.… | ||
| scan0365 | Analysing carburettor test results concerning maintaining power at high speeds for the Sports Phantom engine. | ||
| View original record | To R. from Hs/ACL. c. to BJ. Wor. c. to E. Da. c. to DA. BY. c. to OY. X8771 Hs/ACL1/LG24.11.27. SPORTS PHANTOM - MAINTAINING POWER AT HIGH ROTATIVE SPEED. When analysing some of the results of low… | ||
| scan0366 | Comparison of gas velocities and valve timing experiments on 20 HP, Lorraine, and Phantom engines. | ||
| View original record | contd :- -2- Referring to the 20 HP. and Lorraine experiments we have drawn a chart of the conventional gas velocities past the inlet valves on a r.p.m. base and see that for the same rotative speed… | ||
| scan0367 | Camshaft experiments and factors required for high power maintenance at high rotative speeds. | ||
| View original record | contd :- -3- was a slight improvement over standard the results were not so good as obtained with the first shaft which shewed that the longer duration exhaust was also an advantage. We have not yet… | ||
| scan0368 | Graph showing the power increase on a Phantom engine due to a low depression carburettor. | ||
| View original record | POWER INCREASE ON PHANTOM DUE TO LOW DEPRESSION CARBURETTOR. ENGINE No AU 25. COMPRESSION RATIO = 4.6 STANDARD INDUCTION PIPE. HORIZONTAL RRCH EAGLE VIII CARBURETTOR. BRAKE HORSE POWER. R.P.M. OF… | ||
| scan0369 | Graph showing the estimated power increase against reduced induction pipe depression for a standard Phantom carburettor at 2750 RPM. | ||
| View original record | ESTIMATED POWER INCREASE WITH REDUCED INDUCTION PIPE DEPRESSION RELATIVE TO THE DEPN OBTAINED WITH STD PHANTOM CARB. AT 2750 R.P.M. PERCENTAGE INCREASE OF I.H.P. INDUCTION PIPE DEPRESSION Ins. Hg.… | ||
| scan0370 | Graph comparing gas velocity past valves against engine RPM for various models. | ||
| View original record | GAS VELOCITY PAST VALVES / ENGINE RPM ① NEW PHANTOM ② 20H.P. STD. VALVES ③ LORRAINE DIETRICH & 20HP WITH LARGE VALVES GAS VELOCITY PAST VALVES (FT. PER SEC) R.P.M. OF ENGINE No3. Y-axis scale: 0, 50,… | ||
| scan0371 | Graph from 20 HP experiments showing the effect of large valves and long duration cams on power output. | ||
| View original record | 20 H.P.R.R. EXPERIMENTS. CURVES SHEWING THE EFFECT OF LARGE VALVES AND LONG DURATION CAMS ON THE POWER OUTPUT. SEE REPORTS ON 20 H.P. CAMSHAFT EXPTS. 23-5-27 AND 26-5-27. B.H.P. 90 80 70 60 50 40… | ||
| scan0372 | Phantom camshaft experiments comparing standard vs long duration camshafts on engine performance and valve timing. | ||
| View original record | PHANTOM CAMSHAFT EXPTS. 4:1 TO 1 COMPN RATIO WITH SHORT EXH. PIPES TO EACH PORT. TWO R.R.C.H CARBURETTERS. STANDARD CAMSHAFT. E.C. 2°, I.O. 14°, I.C. 30°, E.O. 34°. LONG DURATION INLET AND EXHAUST.… | ||
| scan0373 | Phantom power development, outlining proposed modifications to increase engine horsepower. | ||
| View original record | Hs. from R. c. to BJ. Wor. C. c. to PN. CWB. SG. 48771 R2/M28.11.27. PHANTOM - POWER DEVELOPMENT. X. 8830 X. 172 X. 8060 X. 87 X. 8771 For increased performance of acceleration, hills, and speed we… | ||
| scan0374 | Comparing the performance of the 'Continental' Phantom against the standard car model. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. Da. c. to BY. PN. c. to EP. CWB. c. to Na. OY. (X8771) Hs/Rml/LG23. 2. 28. "CONTINENTAL" PHANTOM. X8771 X788 X8774 X3531 We have now had sufficient experience… | ||
| scan0375 | Sports car performance, customer expectations, and a comparison with competing models. | ||
| View original record | -2- contd :- mile, actually the final car is rather better than this. We believe that under modern traffic conditions this feature of a quick get-away will appeal to the owner a great deal more than a… | ||
| scan0376 | Performance comparison of the Continental Phantom against other cars and a discussion on its design. | ||
| View original record | contd :- -3- half a mile to attain speed before commencing the timed stretch. The three Vauxhalls did the half mile at 81.8, 78.2 and 75.6 m.p.h. respectively., Mr. Summers on 117-MC a standard… | ||
| scan0377 | The advantages of a new rear-end design for fast cars, mentioning performance, stability, and practicality. | ||
| View original record | contd :- -4- purely due to the undoubted technical advantages offered thereby and so great are these advantages, which we enumerate below, that we feel convinced it is bound to become the conventional… | ||
| scan0378 | Performance graph showing the estimated power output of a Phantom engine against RPM at a 4.6 to 1 compression ratio. | ||
| View original record | ESTIMATED POWER OUTPUT OF PHANTOM WORKING WITH A CONSTANT INDUCTION PIPE DEPRESSION OF 1 INCH OF MERCURY. COMPN RATIO 4.6 TO 1. B.H.P. R.P.M. INDUCTION PIPE DEPRESSION INS. HG. ESTIMATED POWER WITH… | ||
| scan0379 | Graph comparing the acceleration of Standard versus Continental Phantom models. | ||
| View original record | ACCELERATIONS STANDARD V CONTINENTAL PHANTOM STANDARD 2.35 TONS 15 x 52 AXLE 4.0-1 COMP RATIO. CONTINENTAL 2.1 TONS 16 x 52 AXLE 4.75 COMP RATIO. ALL TESTS C.O. OPEN ACCELERATION FT | SEC² ROAD SPEED… | ||
| scan0380 | Performance graph comparing car speed against time for Standard and Continental models. | ||
| View original record | TOP GEAR PERFORMANCE STANDARD BODY. OPEN TOURING 5 SEATER CONTINENTAL. STREAMLINE 4 SEATER MAX SPEED 86.5 M.P.H. MAX SPEED 76.5 M.P.H TOP GEAR 3RD GEAR CAR SPEED M.P.H TIME SECS CONTINENTAL 2.1 TONS… | ||
| scan0381 | Performance comparison graph for Standard and Sports Phantom engines. | ||
| View original record | COMPARISON OF STANDARD & SPORTS PHANTOM ENGINES. STD. ENGINE PH. I at throttle E LINK COMP RATIO = 4.1 FLAT CYLINDER HEAD. STD. INDUCTION PIPE. SPORTS ENGINE PH II COMP RATIO = 4.75 ANTI-DETONATING… | ||
| scan0382 | Proposed new minimum line curves for the 'New Phantom Horse Power' on the dynamometer. | ||
| View original record | 48771 Hs HP. from Mx. Mx2/T6.7.28. New Phantom Horse Power Herewith is a copy of curves showing the proposed new minimum line for use on the dynamometer. Mx | ||
| scan0383 | Performance graph showing engine Horsepower (HP) versus Revolutions Per Minute (R.P.M.) for different test conditions. | ||
| View original record | H/S H.P. 90 80 70 60 50 40 30 20 R.P.M. 500 750 1000 1250 1500 1750 2000 2250 2500 2750 Average AL Average CL Proposed minimum Present minimum 6/7/28 | ||
| scan0384 | Graph comparing engine RPM against lift in pounds for 3rd gear and top gear, showing average performance and proposed minimums. | ||
| View original record | Hs R.P.M. 2750 2500 2250 2000 1750 1500 1250 1000 750 500 Average AL 3rd gear Average CL 3rd gear Present minimum Proposed new minimum 3rd gear Average AL Top gear Average CL Top gear Present minimum… | ||
| scan0385 | Vehicle performance, including weights, power curves, and the relationship between horsepower, weight, and acceleration. | ||
| View original record | X5771 To Pt. from Hs/Rn. Hs/Rn2/LG15. 8. 28. X5771 With reference to Pt5/FM20.6.28. We attach weights of chassis and power curves as you request. The power given is flywheel HP., the HP. developed at… | ||
| scan0386 | List of chassis weights for various 40/50 HP models, including the Silver Ghost and New Phantom. | ||
| View original record | CHASSIS WEIGHTS - 40/50 HP. CHASSIS NO. DATE. LBS. 500 /07 2700 700 /08 2760 900 - 1399 09/10 2800 1400 - 1699 2860 1700 3000 1800 3045 1900 - 2099 3075 } Silver Ghost 2100 - 2699 3110 } power curve… | ||
| scan0387 | Graph showing acceleration curves for the Phantom, Silver Ghost, and 20HP open touring cars. | ||
| View original record | ACCELERATION CURVES ROAD SPEED M.P.H. TIME TAKEN SECS PHANTOM SILVER GHOST 20HP OPEN TOURING CARS STANDARD PHANTOM 2.34 TONS 20HP. 1.51 TONS | ||
| scan0388 | Performance graph for a 20 HP flywheel clutch, including various chassis weight specifications. | ||
| View original record | 20 H.P CHASSIS WTS OIL WATER 14 GALLS PETROL 4 TYRES & WHEELS BATTERY AND SPARE WHEEL CARRIER PRE FRONT WHEEL BRAKES 2483 LBS POST FRONT WHEEL BRAKES 2517 LBS BALLOON TYRES ON POST F.W.B. CAR 20 H.P.… | ||
| scan0389 | Graph comparing the flywheel horsepower curves for the Phantom and Silver Ghost engines. | ||
| View original record | B.H.P. R.P.M. 110 100 90 80 70 60 50 40 30 20 500 1000 1500 2000 PHANTOM SILVER GHOST FLYWHEEL H.P C.O. OPEN. COMPARATIVE HORSE POWER CURVES. SILVER GHOST & PHANTOM | ||
| scan0390 | Defining the K.2 Series 40/50 HP Chassis, detailing chassis numbers and enclosing a manufacturing programme. | ||
| View original record | 88770.. To ~~WHP~~ from ROY C. to ~~Ms~~ C. to ~~SWI~~ C. to ~~S~~ C. to Ms C. to ~~Ms (O.C)~~ ----------------- ROY4/MG24.7.29 ----------------- 40/50 HP. CHASSIS - SERIES K.2 divided into two… | ||