Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Letter proposing a car heater and a patented cigar lighter for consideration. | ||
| View original record | X.4292 Dec: 1st. 1920. - Clark Esq. Technical Department. Rolls Royce Ltd. DERBY. Dear Mr. Clark, I have at the above address a heater device, of which the enclosed pamphlet will be an explanation,… | ||
| Scan002 | Letter responding to an enquiry about a radiator water heater and a cigar lighter. | ||
| View original record | X.4292 EFC16/T. 7th December, 1920. X.4292 X.4308 Mr. J.R. Quain, Electrical Engineer, 17, Victoria Street, Westminster. Dear Sir, We have received your letter of the 1st inst. with regard to radiator… | ||
| Scan003 | 'Silectron' cigar lighter, its construction, and performance. | ||
| View original record | W/S. To H. from EFC. X4292 EFC15/T7.12.20. X4292 RE QUAIN "SILECTRON" CIGAR LIGHTER. I send you herewith papers with reference to the above cigar lighter. This is being put on the market by Messrs.… | ||
| Scan004 | Letter clarifying the specifications and intended use of a Car Heater, including its wattage and power source. | ||
| View original record | Enclosure. X.4292 Dec: 8th. 1920. E. Fowler Clark Esq. Rolls Royce Ltd. Nightingale Road, Derby. Dear Mr. Clark, I wish to thank you for your letter of the 7th. inst. I am very much obliged to you for… | ||
| Scan005 | Opinions and an anecdote about the Quain 'Silectron' Cigar Lighter. | ||
| View original record | R.R. 250 a (20 T) (S B 972. 11-4-20) G. 2674 EFC DEC 14 1920 RECEIVED X.4292 S/W. H. Sp9/CM13.12.20. X.4292. Re - Quain "Silectron" Cigar Lighter. EFC15/T7.12.20. - I have heard that the Quain Cigar… | ||
| Scan006 | Instructions and test results for a 'Radamax' Plug Lester. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 4294. 88253 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: 26 Customer's No.: 1 Re: X 4294 "Radamax" Plug Lester On a magneto gap, slightly too wide… | ||
| Scan007 | Instructions detailing the results of sparking tests with different gap settings. | ||
| View original record | RR. 300 (120B) (SF 349 24-1-19) MP 200552 88251 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. Customer's No. 2 Re "Radaman" (Contd) With gap of .003" sparking ceases at sight-hole at all the… | ||
| Scan008 | The 'Radamax' plug tester, explaining its function and requesting a trial on experimental cars. | ||
| View original record | To Hs/TMW. from EFC. X.4294 EFCl/T7.12.20. X.4294 - "RADAMAX" PLUG TESTER. We are handing you herewith a Radamax plug tester for trial. This is my own property, having been given to me by Messrs.… | ||
| Scan009 | Internal request to order a 'Radamax' plug tester from Messrs. Smith & Sons for experimental testing. | ||
| View original record | X4294 To Wd. from EFC. c. to Wd/Ms. c. to Wd/Mr. Dolman. EFC/AT1/S23.12.20. X.4294. - "RADAMAX" PLUG TESTER. Will you kindly order up from Messrs. Smith & Sons, Gt. Portland Street, London, 1 Radamax… | ||
| Scan010 | Instruction memo regarding a report on a Radamax Plug Tester. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X4294 95138 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S 7. C Customer's No. F.D. 13. Date: 23/12/20 Order No. X 4294 Re. X 4294 Radamax Plug Tester. Mr Warwick… | ||
| Scan011 | Radamax plug tester for use on an experimental car. | ||
| View original record | X4294 To Hs/TMW. from EFC. EFC 8/T4.1.21. X.4294 - RADAMAX PLUG TESTER. We are handing you a Radamax plug tester which we have ordered up for use on the experimental car. Returned to makers for… | ||
| Scan012 | Reviewing the functionality and usability of a Radamac plug tester. | ||
| View original record | X 4294 2 copies To EFC. from Hs/TMW. Hs/TMW1/LG6.1.21. X.4294 RE. RADAMAC PLUG TESTER. We have tried the above device and find that it functions quite well, even going so far as to give one warning… | ||
| Scan013 | The 'Radamax' Plug Tester, an instrument for distinguishing between good and faulty sparking plugs. | ||
| View original record | X4294 To R. from EFC. c. to CJ. c. to E. c. to Ey. c. to EP. c. to Da. c. to PN. c. to EWT. for R2R. Inc. EFC1/T7.1.21. X.4294. - "RADAMAX" PLUG TESTER. We Recently received from Messrs. Smith & Sons… | ||
| Scan014 | Continued report on spark plug testing, discussing spark characteristics and experiments with a 'Radamax' plug tester. | ||
| View original record | Contd. -2- EFC1/T7.1.21. be produced. If the applied potential, though rapidly alter- nating, be of lesser amplitude, the spark produced will be weaker progressively until no spark appears. Hence the… | ||
| Scan015 | The performance, functionality, and pricing of the 'Radamax' plug tester. | ||
| View original record | Contd. -3- EFC1/T7.1.21. for 900 R.P.M. 3.8 mm. With a small gap of .003" sparking ceases at the sight-hole at all the above speeds. The spark at the main gap is always louder and more intense with… | ||
| Scan016 | The return of a damaged Radamax Plug Tester for inspection. | ||
| View original record | X.4294 To EFC. from Hs/TMW. Hs/TMW3/LG10.1.31. X4294 RE. RADAMAX PLUG TESTER. We return herewith for your inspection the above Plug Tester which came adrift when taken out of the box. [Signature]… | ||
| Scan017 | Return of a faulty 'Radamax' plug tester due to a fitting issue with its box. | ||
| View original record | To Wd. from EFC. c. Wd/Ms. X.4294 EFC4/T10.1.21. X.4294 - "RADAMAX" PLUG TESTER. Please receive herewith a "Radamax" plug tester recently obtained from Messrs. Smith. Would you kindly have this sent… | ||
| Scan018 | Instruction note regarding a Radamax Plug Tester returned from repair. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X 4294 95152 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S. F. C. 25/1/21 Order No: Customer's No.: FD. 27. Re: X 4294 Radamax Plug Tester We have received from the… | ||
| Scan019 | The receipt and proposed testing of 'Mercury' brand sparking plugs. | ||
| View original record | Hs. from Wd. c. to ERE. c. to EP. c. to Ev. X4295 Wd5/NJ22.10.20. Mercury Sparking Plug Co., Summer Lane, Birmingham. These people have sent us samples of their "Mercury" Sparking Plugs, 6 type GB.2… | ||
| Scan020 | Unsuitability of Mercury sparking plugs due to their mica-type construction. | ||
| View original record | To Wd. from Hs. S.Fc X4295 Hs4/LG16.11.20. X.4295 Re - MERCURY sparking Plugs. The Mercury sparking plugs are of the mica type with the centre portion detachable. At the present time we are not… | ||
| Scan021 | Correspondence regarding the testing of Mercury Sparking Plugs with different insulator types. | ||
| View original record | Y4295 R.R. 285A (100 T) (S.G. 643, 19-2-20) G. 2618 Hs. from Wd. c. to BFC. Wd6/NJ22.11.20. X4295. Re Mercury Sparking Plugs. Upon receipt of yours Hs4/LG16.11.20, we wrote the Mercury Sparking Plug… | ||
| Scan022 | Request for a further supply of one dozen type GB.3 Mercury sparking plugs with porcelain insulation. | ||
| View original record | To Wd. from Hs/TMW. X.4295 Hs/TMW3/LG14.1.21. X4295 RE. MERCURY SPARKING PLUGS. Wd6/ng 22.11.20 We have been getting good results from the above Plugs and would like a further supply of one dozen type… | ||
| Scan023 | Quotation for 1,000 sparking plugs from Mercury Sparking Plug Co. | ||
| View original record | X4295 Hs. Wd/Ms3/FJ.7.2.21. With reference to our conversation, I have now received a quotation from Mercury Sparking Plug Co. who quote for 1,000 Sparking Plugs, type GB3, fitted with porcelain… | ||
| Scan024 | Methodology for a series of tests on various sparking plugs. | ||
| View original record | To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EP. c. to EWT. for R.R.Inc. X.4295 Hs5/LG9.2.21. X.1812 - TESTS ON SPARKING PLUGS. X.4295. X.390.5 X.4196. X.4277. Below are the… | ||
| Scan025 | Test report comparing the performance and durability of various types of spark plugs. | ||
| View original record | -2- HS5/LG9.2.21. Type of plug. | No. tested. | Test 1. | Test 2. | Test 3. | Test 4. | Test 5. | Remarks.… | ||
| Scan026 | Report comparing the performance and cost of Mercury, Champion, and Bethlehem spark plugs. | ||
| View original record | R.R-W-555- (108 T) (R.R.H.728. 19.12.20) O. 2247 Contd. -3- HS5/LG9.2.21. From the results of these tests we place the - Mercury plug the first Champion U.S.A. plug the second and the Bethlehem U.S.A.… | ||
| Scan027 | Order for two dozen Mercury sparking plugs, type GB.3. | ||
| View original record | [Handwritten] E.F.C. X 4295 [Typed, crossed out] To Ms. From Hs. [Typed] Hs4/LG11.2.21. [Typed, underlined] X.4295 RE. MERCURY SPARKING PLUGS. [Typed] Will you please order 2 dozen Mercury plugs type… | ||
| Scan028 | Requesting costs be added to standardisation sheets for Eagle water outlet connections and Mercury sparking plugs. | ||
| View original record | X4295 To D/Rd. from HS/AT. HS/AT15.2.21. X.2440.-EAGLE GUN METAL WATER OUTLET CONNECTIONS ON CYLINDERS. X.4295.-MERCURY SPARKING PLUGS. Herewith please receive standardisation sheets for the above.… | ||
| Scan029 | Requesting review of standardisation sheets for Mercury CR3 sparking plugs. | ||
| View original record | X.4295 To Bn. from Hs/AT. Ry. Da. KP. -6 PN. Hs/AT15.2.21. X.4295.- MERCURY CR3 SPARKING PLUGS. Herewith please receive standardisation sheets for the above. Will you kindly remark upon, sign and… | ||
| Scan030 | Comparison of Mercury, Champion, and Lodge spark plugs, with notes on post-war supply issues. | ||
| View original record | To Hs. from R. c. to CJ. c. to Wer. c. to SP. c. to HM. c. to R.S. for Amer. Inc. (For the attention of OX) X4295 X.1812 - RE SPARKING PLUGS. X.4196. X.3413. X.4277. X.3905. X.4295. The Mercury plug… | ||
| Scan031 | Conclusion recommending the standardization of Champion and Mercury parts for U.S.A. and English made cars respectively. | ||
| View original record | Contd. -2- H1/G16.8.21. satisfactory. In conclusion, I agree (subject to further exhaustive tests confirming) to prepare for at once standardizing the Champion (Canadian make) for U.S.A. and the… | ||
| Scan032 | Request for half a dozen experimental sets of Mercury CB3 sparking plugs for testing on cars. | ||
| View original record | X4295 RECEIVED FEB 1921 Hs. EP/Thn11/F16.2.21. F.R. X.4295. MERCURY CB3 SPARKING PLUGS. With reference to your Hs/AT15.2.21, we return herewith standardisation sheet for the above. Could you please… | ||
| Scan033 | Returning the standardisation sheet for Mercury Sparking Plugs and noting a delay on another sheet. | ||
| View original record | Hs X.4295 To Hs/AT. from Rd. Rd/3/139A/M18.2.21. Mercury Sparking Plugs for Standard Chassis. Standardisation Sheet X No.4295. Hs/AT15.2.21. We return the Standardisation Sheet dealing with the… | ||
| Scan034 | Standardisation Sheet X.4295 for Mercury Sparking Plugs for a standard chassis. | ||
| View original record | To WOR. from Hs/LG. HS (handwritten) x4295 (handwritten) Hs/LG18.2.21. Mercury Sparking Plugs for Standard Chassis. Standardisation Sheet X.4295. Attached herewith is a copy of standardisation sheet… | ||
| Scan035 | Cover letter for the standardisation sheet on Mercury Sparking Plugs for Standard Chassis. | ||
| View original record | To R. from Hs/LG. X.4295 Hs/LG18.2.21. Mercury Sparking Plugs for Standard Chassis. Standardisation Sheet. X.4295. Attached herewith is a copy of standardisation sheet for the above. Will you kindly… | ||
| Scan036 | Requesting remarks and a signature on the attached standardisation sheet for Mercury Sparking Plugs. | ||
| View original record | To CJ. and BJ. from Hs/LG. X 4295 Hs/LG19.2.21. Mercury Sparking Plugs for Standard Chassis Standardisation Sheet X.4295. Attached herewith is a copy of standardisation sheet for the above. Will you… | ||
| Scan037 | Standardisation sheet for Mercury Sparking Plugs for the standard chassis. | ||
| View original record | To Ws. from Hs/LG. [Handwritten]: X-4295 [Handwritten Signature]: HS Hs/LG19.2.21. [Underlined]: Mercury Sparking Plugs for Standard chassis. [Underlined]: Standardisation Sheet X.4295. The above… | ||
| Scan038 | Extract discussing the adoption of 'Mercury' plugs, their price, and repairability. | ||
| View original record | X4295 Extract from RS/G21.2.21.(X;634) X4295 MERCURY PLUGS. ------ I am very keen on the adoption of the new plugs mentioned above "Mercury" is the trade name manufactured in Birmingham. Price about… | ||
| Scan039 | Standardisation of chassis parts, specifically replacing Lodge Plugs with Mercury GB3 Sparking Plugs. | ||
| View original record | R R 755 (S H) (S.H. 187, 20-8-20) G. 2807. 14295 COMPLETED 21.2.21 STANDARDISATION of CHASSIS PARTS. Date 15.2.21 X No. 4295. COPY. Description of Parts. Mercury GB3 Sparking Plugs. Origin. To avoid… | ||
| Scan040 | The testing of Mercury CB3 sparking plugs and a recommendation for purchase. | ||
| View original record | X.4295.-MERCURY SPARKING PLUGS. Mercury CB3 Sparking Plugs were subjeted, along with various other makes, to the following tests:- Test 1. Engine run on weak mixture for a long period and then run… | ||
| Scan041 | Performance and recommendation of various spark plug brands for different markets. | ||
| View original record | To EY. from R. c. to CJ. c. to HS. c. to MP. c. to Hm. c. to Fn. c. to H. c. to R.R. of America Inc. (for the attention of OY) X.4295 X.1812 RE SPARKING PLUGS X.4295 X.4196 X.4313 X.2835 With… | ||
| Scan042 | Proposal to reduce costs by repairing Mercury spark plugs in-house and establishing a system for testers to exchange them. | ||
| View original record | H.E. 884a (100 T) (S.H. 798. 16-12-20) G. 2047 Contd. -2- RB/C22.2.21. ----------- There is no reason why someone, say a stores hand, should not be taught to repair plugs in his spare time, if we… | ||
| Scan043 | Request for Mercury plugs to be sent to the Sales Department for use on Demonstration Cars. | ||
| View original record | X.4295 F.R. Hs. from EP. EP/Thn28/F22.2.21. X.4295 Sales Dept. have asked for a few Mercury plugs to be sent on to them for trying on the Demonstration Cars. We understand you are ordering a quantity… | ||
| Scan044 | Clarifying the distribution and testing plan for an order of 500 Mercury plugs. | ||
| View original record | R.R. 235a (100 T) (S. G. 643, 19-2-20) G 2618 X 4295 Hs. from BY. C.C. EP C.C. Ms [crossed out] C.C. N/S [crossed out] C.C. Hin. [crossed out] [Stamp: REC'D 8 JAN 1921] RE ORDER FOR 500 MERCURY PLUGS.… | ||
| Scan045 | The use and distribution of 500 Mercury Sparking Plugs for various cars. | ||
| View original record | To EY. from Hs. c. to EP. X 4295 HS9/LGM.8.2.21. X 4295 MERCURY SPARKING PLUGS. We hope it is clearly understood that the 500 Mercury Plugs which are on order can be used on standard production… | ||
| Scan046 | Suspected pre-ignition fault in 'Mercury' plugs compared to 'Champion' plugs. | ||
| View original record | X.4295 To Hs. from R. c. to CJ. c. to EFC. R4/GS.3.21. X.4295 - RE "MERCURY" PLUGS. X.4196. X.1812. I have a suspicion that one of these on the small pump engine here was causing pre-ignitions after… | ||
| Scan047 | Reporting a cracked porcelain on a Mercury plug after testing in a Goshawk engine. | ||
| View original record | XH295 Mr. Hives. 8.3.21. MERCURY PLUGS. Herewith Mercury plug - please note porcelain cracked after running 682 miles in Goshawk engine. GWH. | ||
| Scan048 | Extract discussing the performance and leaking issues of Mercury plugs and the suitability of yellow brass plugs. | ||
| View original record | X.4795 Extract from R16/G1.4.21. ----------The Mercury plugs fitted seem so far to give excellent running, but shew signs of leaking past the packing. This matter will be mentioned in another memo, as… | ||
| Scan049 | Standardization and performance of Mercury sparking plugs compared to Lodge plugs. | ||
| View original record | x4295. F.R. Dy. from SF. C. to Gd. C. to Hs. EP23/F18.4.21. x4295. RE. MERCURY SPARKING PLUGS. We understand from you in conversation this morning that Mercury plugs are not to be definitely… | ||
| Scan050 | Clarifying the standardisation status and testing of Mercury Sparking Plugs. | ||
| View original record | EP. from Hs. c. to BY. c. to Wd. xH295 MERCURY SPARKING PLUGS. Hs1/LG19.4.21 We cannot believe that there can be any misunderstanding as regards the Mercury Sparking Plugs. The Mercury Sparking Plugs… | ||
| Scan051 | 'Mercury' sparking plugs, advising consultation with the Experimental Department before ordering. | ||
| View original record | X.4295 To Wd/Ms. from Hs. c. to BY. c. to EP. Hs1/LG22.4.21. RE "MERCURY" SPARKING PLUGS. Before any quantities of these sparking plugs are ordered, the Experimental Department should be consulted.… | ||
| Scan052 | Performance of Champion and Mercury ignition plugs, with suggestions for design improvements. | ||
| View original record | To Hs. from R. c. CJ. c. EFC. X.4295 R6/C12.4.21. X.1812 - RE IGNITION PLUGS. X.4186. X.4295. X.2635. The Champion plugs you gave me to test in the little pump engine here soon broke its porcelain… | ||
| Scan053 | Properties of steel versus yellow brass for a specific purpose. | ||
| View original record | Contd. -2- R6/G12.4.21. stiff to a red heat. I do not suggest tungsten steel for this purpose, but an ordinary steel is far different from yellow brass. R. | ||
| Scan054 | Magneto requirements for the 40/50 engine, detailing tests and spark plug compatibility. | ||
| View original record | XH495 Extract from Hsl/LG5.5.21. X.430. MAGNETO REQUIREMENTS FOR 40/50 ENGINE. Recommendations. X.1812. X.3775. X.4181. X.4279. X.3413. X.4295. X.4196. During our tests we have proved that the Watford… | ||
| Scan055 | Results of testing ignition coils with varying numbers of secondary turns. | ||
| View original record | Hs1/LG5.5.21 -2- Contd. magneto, the less exacting are our plug requirements. During these tests we have carried out tests on the coils. We have tried coils with 14,000, 16,000 and 18,000 turns on the… | ||
| Scan056 | The testing and performance of Mercury spark plugs in comparison with Lodge plugs. | ||
| View original record | X 4295 Hs. from F.P. To: By: Ref: EP12/F10.5.A. F.R. RECEIVED 11.1.27 MERCURY PLUGS. AVW We have now run the above on several cars on test, also on two of our Trials cars. We certainly find the plug… | ||
| Scan057 | Issues with porcelain cracking and a soft brass nut on a component. | ||
| View original record | -2- There is also a tendency for ~~the~~ slight leakage to take place. 2. We have had two cases of the porcelain being cracked, i.e. the part of the porcelain which projects into the combustion… | ||
| Scan058 | Request for a report on the behaviour of Mercury sparking plugs. | ||
| View original record | X4295 To Hm. from Hs. c.c. to Br - Cricklewood. c.c. to Bk - Sales. Hs1/LG11.5.21. RE. MERCURY SPARKING PLUGS. We should be pleased to have a report from you on the behaviour of the above plugs. Hs. | ||
| Scan059 | Request for a supply of 18 'Mercury' plugs to trial on demonstration cars. | ||
| View original record | X4295 Bk17/DN/13.5.21. S/W. Hs. X4295 TAD [stamped] Re "Mercury" Plugs. Re your Hsl/11521 - If you will kindly let us have a supply of the above, say, 18, we shall be pleased to give them a trial on… | ||
| Scan060 | The procurement of 'Mercury' plugs from company stores. | ||
| View original record | W/S To Bk. from Hs. X4295 Hs1/LG19.5.21. X4295 RE "MERCURY" PLUGS. Referring to your Bk17/DN/13.5.21. We do not propose sending to you any of the above plugs because these can be obtained from either… | ||
| Scan061 | Letter to the Mercury Sparking Plug Co. requesting a visit from their representative to discuss tested plugs. | ||
| View original record | X4295 Hs6/LG. 24th May 1921 The Mercury Sparking Plug Co., Summer Lane, Birmingham. Dear Sirs, We should be pleased if you could send a Technical Representative to see us with reference to the… | ||
| Scan062 | Letter from the Mercury Sparking Plug Company confirming a future visit. | ||
| View original record | Telephone No 3369 CENTRAL Telegrams Mercriplug Birmingham X4295 THE GIFT OF THE GODS MERCURY SPARKING PLUG COMPANY PROPRIETORS: W. H. GOLD, W. GOLD. HJB/BA SUMMER LANE, BIRMINGHAM, ENGLAND. June 2/21… | ||
| Scan063 | Follow-up letter to The Mercury Sparking Plug Co. regarding a promised visit to discuss their products. | ||
| View original record | X4295 HS3/LG. 8th. Aug. 1921. The Mercury Sparking Plug Co., Summer Lane, Birmingham. Dear Sirs, Some months ago we wrote and asked you to send a representative to our works at Derby to see us in… | ||
| Scan064 | Letter from the Mercury Sparking Plug Company regarding a missed appointment and rescheduling a works visit. | ||
| View original record | Telephone Nº 3369 CENTRAL Telegrams Mercriplug Birmingham X4295 HS RECEIVED PROPRIETORS: W. H. Gold. W. Gold. THE GIFT OF THE GODS MERCURY SPARKING PLUG COMPANY SUMMER LANE, BIRMINGHAM, ENGLAND. M/s… | ||
| Scan065 | Pre-ignition issues caused by over-heated Champion ignition plugs and their potential design flaws. | ||
| View original record | X4295 To R. R. America Inc. from R. For the attention of OY. c. to CJ. c. to HS. R16/G5. 9. 9. 21. X.4196 - RE IGNITION PLUGS. X.1812. X.4295 X.4305 In some of your descriptions you say that with… | ||
| Scan066 | Spark plug selection for engines and improvements to distribution and throttle exhaust heating. | ||
| View original record | Contd. -2- Hs16/G5.9.21. ------------ Personally, I have never experienced this on our car engine, but on aero engines and other cars and stationary engines we have known it to occur badly, and have… | ||
| Scan067 | Testing of Sphinx sparking plugs as a potential alternative to Mercury and Lodge plugs. | ||
| View original record | From R. c. to C.J. X.1812. RE SPARKING PLUGS X.4295 X.1026. While away I was interested in looking over several samples of sparking plugs. I was favourably impressed with the ordinary standard plug… | ||
| Scan068 | Ignition plug performance and lubrication issues on the 6.EX car. | ||
| View original record | To Hs. from R. c. to CJ. c. to PN. c. to EP. c. to Hm. X4295 R1/G18.10.21. X.3923 X.4295 RE IGNITION PLUGS AND LUBRICATION ON 6.EX CAR. X.4337 X.1026 X.4400 The Mercury plugs on this car have done… | ||
| Scan069 | Lubrication issues concerning grease syringes, spring shackles, and shock dampers, along with a note on a water leak. | ||
| View original record | contd. -2- should be opened to at least ¼" for the end of the syringe to enter. The Alemite grease syringe proved to be an enormous advantage in dealing with the spring shackles, and will enable the… | ||
| Scan070 | Recent engine detonation issues in repaired cars, likely caused by petrol quality. | ||
| View original record | R.R. 235c (10 T) (S.J 194.9-6-21). X4295 To R. from Hm. Copy to BJ. " " EH. " " HS. " " MF. Hm3/W20.10.21. X4295 R1/G18/10/21. x612 With reference to the second paragraph of the above memorandum,… | ||
| Scan071 | Observations on the performance of Mercury and Lodge ignition plugs under different test conditions and positions. | ||
| View original record | Hs. from EP. X4295 EP6/H28.10.21. RE. IGNITION PLUGS. X.4295 X.601. We have been noticing the behaviour of Ignition Plugs on cars on test, and our observations are as follows:- 1. On all engines in… | ||
| Scan072 | Shortage of Lodge plugs and requesting standardisation for a replacement. | ||
| View original record | contd. MADECROXLEY -2- We have now run out a stock of Lodge Plugs and I do not feel happy in using the Mercury plug universally. Can you please arrange for some standardisation to be made of these… | ||
| Scan073 | Letter from the Mercury Sparking Plug Company suggesting a new combination of spark plugs. | ||
| View original record | Telephone No 3369 CENTRAL Telegrams Mercriplug Birmingham X4295 THE GIFT OF THE GODS MERCURY MERCURY SPARKING PLUG COMPANY PROPRIETORS: W. H. Gold. W. Gold. SUMMER LANE, BIRMINGHAM, ENGLAND.… | ||
| Scan074 | Procedure for substituting Lodge plugs for Mercury plugs on 40/50 models due to a supply shortage. | ||
| View original record | SFF. [crossed out] from BY. c.c. Mr Scott. [crossed out] c.c. RF. [crossed out] c.c. Hs. c.c. Plat. [crossed out] X4295 U. 1 BY2-P20.7.22. X4295 / X4425 [crossed out] 40/50 PLUGS. In view of the fact… | ||
| Scan075 | Testing of K.L.G. ignition plugs and the temporary use of Lodge plugs for the 40/50 chassis. | ||
| View original record | BY. c. to Hs. X4295 EP/Thn7/H7.9.22. Re. 40/50 chassis Wiring and Ignition Plugs. X.1812 X.4295 X.1819. With reference to your memo. BY4/Hs.8.22, we are testing a number of K.L.G. plugs in question on… | ||
| Scan076 | Ordering and distribution of KLG plugs as a replacement for unavailable Mercury plugs for the 40/50 HP Chassis. | ||
| View original record | X. 4295 BY4/H. 9.8.22. Wdr. c. Mr. c. Hs. c. Mr. Shelton. c. W/Dr. c. Mr. c. Chrt. 40/50.HP.CHASSIS. WIRING & IGNITION. RE PLUGS. In view of the fact that we cannot obtain any further supplies of the… | ||
| Scan077 | Instruction sheet detailing test results for a 'Scott Cut-out' electrical component. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X 4296 91514 ROLLS-ROYCE LIMITED. INSTRUCTIONS. I To: S & C. Date: 9/12/20. 19 Order No. Customer's No. FC. 194. Re: X 4296 Scott Cut-out. Cold 18°C Shunt amps… | ||
| Scan078 | Instruction sheet with handwritten electrical test results for shunt and series components under hot conditions. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91515 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No. Customer's No. F.C. 185 Re Hot. Shunt amps. + volts to operate late 16.8 volts .115 amps. 1460 W… | ||
| Scan079 | Instructing the Shipping Office to despatch a 'Scott cut-out' to Mr. Royce for examination. | ||
| View original record | X4296 To Shipping Office. c. Despatch Stores. EFC2/T15.12.20. X. 4296 - SCOTT CUT-OUT. We are sending into the Stores one "Scott" cut-out. Will Shipping Office kindly give instructions for this to be… | ||
| Scan080 | Test results of a 'Scott Cut-Out' apparatus under cold and hot operating conditions. | ||
| View original record | To R. from EFC. c. to CJ. c. to Ej. c. to Da. c. to Hy. c. to Bn. c. to EWT. for R.R.Inc. X.4296 EFC1/T15.12.20. X.4296 - SCOTT CUT-OUT. This cut-out was taken from some Scott apparatus which we have… | ||
| Scan081 | Tests of various electrical cut-outs, including Bleriot Phi and Rotax models. | ||
| View original record | Contd. -2- EFC1/T15.12.20. In this cut-out the contact is not broken quite so definitely as in the Bleriot Phi cut-out, although it is made quite definitely. Examination of the figures will show that… | ||
| Scan082 | Electrical quantities and torque specifications for a 20 HP starting motor. | ||
| View original record | X4298 To EFC. from E. c. to CJ. c. to Bn. c. to Da. c. to EH. E5/G5.5.19. X.3534. 20 H.P. STARTING MOTOR. X.3009. ---------------------------------------------------- In getting out the electrical… | ||
| Scan083 | The current drawn by the starter motor when turning the engine. | ||
| View original record | X4298 6.10.19. X.3082. X.543 X.4298. Mr. Clark. Current taken by starter motor when turning engine = 100 amps. The needle of the instrument swinging between 90 and 110 amps. (Sgd) L.F. | ||
| Scan084 | Starter motor's performance after being left out overnight. | ||
| View original record | X4298 To EFC. from L.F. F.C. 145. 19.11.20. X.3082. R.R. STARTER MOTOR. X.4298. X.607. A car having been left out all night was started up with an R.R. Starter motor and Chloride 6. BXE 4 battery. The… | ||
| Scan085 | Instructions detailing a starter motor test on a cold engine. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.4298. ROLLS-ROYCE LIMITED. 91474 INSTRUCTIONS. To: S.F.C. 19/11/20. 19 Order No. Customer's No. F.C. 145. Re: X.3082. R.R. Starter Motor X.4298 A car having… | ||
| Scan086 | Table of chassis starter particulars for the 40/50 and Goshawk models. | ||
| View original record | X.4298 17.12.20. X.2642. X.3082. X.543. X.4298. CHASSIS STARTER PARTICULARS. | | 40/50. | | | GOSHAWK. | |---|---|---|---|---| | | 45a. | 45a.sp. | 45b. | | | ENGINE REVS. | 40 | 61 | 42 | 60 | |… | ||
| Scan087 | Preliminary road test report on the 'Goshawk' chassis, detailing its behaviour and the performance of its components. | ||
| View original record | To R. from Hs/DMW. c. to CJ. c. to Bn. c. to E. c. to Da. c. to Wor. 74298 Ha/DMW/LCS.1.21. X.3481. RE "GOSHAWK" CHASSIS. We have now run the "Goshawk" on the road sufficiently long to be able to give… | ||
| Scan088 | Device for starting up engines under cold conditions, based on a report from America. | ||
| View original record | X.4298 A.T. Ex. from EH C. to Ds. C. to Hy. C. to F. C. to EFC. EP25/F21.2.21. X.4298 CHASSIS - STARTING UP ENGINES UNDER COLD CONDITIONS. ------------------------------------ Mr.Hulley reports from… | ||
| Scan089 | Performance comparison of a Nickel-Iron (Ni-Fe) alkaline battery versus a standard acid battery, noting issues with cold starting. | ||
| View original record | To R. & E. from EFC. c. to CJ. & PN. c. to Ds. & EP. c. to Hy. & Bn. c. to EWT. for R.R.Inc. X.4298 X. 3717 - Ni-Fe BATTERY. X. 4298 We have come to the conclusion that the Alkaline battery as at… | ||
| Scan090 | Instruction sheet comparing the cold starting performance of a Nickel-Iron battery with a standard Chloride battery. | ||
| View original record | RR. 300 (120B) (SF 349 24-1-19) MP. 200552 X 4298 95189 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.T.C. Order No.: Re: X 3717 Customer's No.: F.D. 63. Ni. Fe. Battery. X. 4298 This battery at present… | ||
| Scan091 | Test data for starting a Goshawk engine using a standard starter motor under cold and hot conditions. | ||
| View original record | R.H. 253a (100 T)/S H. 788. 10-12-20 G. 2347 X.4298 95215. EFC. 15.4.21. FD.88 X.4298. X.4342. X.3534. X.3082. STARTING OF GOSHAWK BY MEANS OF STANDARD R.R. STARTER MOTOR. COLD | Motor volts. | Amps.… | ||
| Scan092 | Calculations for starter motor to engine transmission torque losses and ratios. | ||
| View original record | X4298- 9.6.21. X.3082 - STARTER MOTOR TO ENGINE TRANSMISSION. Assumed losses (starting with 100% torque on motor). 6 : 1 reduction on motor, 3% loss giving 6 x 97% torque on motor chain wheel. 14 : 13… | ||
| Scan093 | Letter discussing starter motor brake test results and performance curves. | ||
| View original record | X4298 Oyl - G 16721 July 16, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Messrs.F.H.Royce & E.F.Clarke. Dear Sir:- X.3082 Re: Starter Motor Brake Tests… | ||
| Scan094 | Battery voltage drop, starter motor performance, and transmission efficiency in cold weather. | ||
| View original record | Oy1 - G 16721 Sheet #2. the United States, to have curves plotted on an ampere base. (3) With regard to the voltage drop mentioned by Mr. Clarke of 1 volt per 50 amps, we would ask him to refer to our… | ||
| Scan095 | Cold weather starting performance, comparing with American cars and proposing tests. | ||
| View original record | Oyl - G 16721 Sheet #2. winter with the R-R starter motor, Bijur and Westinghouse, go to show that the above figures are not far from the truth. The standard testing temperature for starting apparatus… | ||
| Scan096 | Starter motor tests carried out on car 4-EX. | ||
| View original record | X 4298 July 20th 1921. EFC. PB.10. X.4298. REPORT ON STARTER MOTOR TESTS X.543. X.3082. CARRIED OUT ON CAR 4-EX. X.3764. X.4399. Tests were made with two starter motors 1. A standard motor, 2. A… | ||
| Scan097 | Test results for a standard motor under cold and hot conditions, showing speed, voltage, amperage, and temperature readings. | ||
| View original record | -2- Contd. STANDARD MOTOR. (COLD) Test. | Speed of engine (R.P.M.) | Motor Speed. | Volts. | Amps. | Temp. of Cyl: | Temp. of radiator. | Remarks. 1 | 50 | 1165 | 10.65 | 82 | 19.5°C | 19.5°C | Volts… | ||
| Scan098 | Test results for a motor with field coils in parallel, under cold and hot conditions. | ||
| View original record | -3- Contd. MOTOR WITH FIELD COILS IN PARALLEL. (COLD). | Test. | Speed of engine. R.P.M. | Motor speed. | Volts. | Amps. | Temp. of cyl: | Temp. of radiator. | Remarks. |… | ||
| Scan099 | Comparison of motor terminal voltages under different wiring configurations and temperatures. | ||
| View original record | P.R. 265A (100 T) (S.H. 159, 11-8-30) G. 3850 -4- Contd. For a fair comparison between the four cases tabulated above, the battery voltage should have been set so that the motor terminal volts were,… | ||
| Scan100 | Cold weather starting difficulties, turning the engine via the gearbox, and potential design changes. | ||
| View original record | X4298 To RR. of America Inc. from R. For attention of - Mr. Belnap Mr. Olley. Mr. Nadin. R6/MS.2.22. c. to CJ. BJ. c. to FN. Hs. c. to BY. EP. X.1449 c. to Hm. X.3594 RE. STARTING DIFFICULTIES. X.4390… | ||
| Scan101 | Analysis of starting motor arrangements, comparing a direct Bendix drive to the existing gearbox-driven system. | ||
| View original record | contd:- -2- thick oil but it will be remembered that this trouble has been overcome by slight alterations to the clutch parts, which as originally arranged, caused great fluid resistance to the… | ||
| Scan102 | Engine starting issues, piston fitting, starter motors, and gearbox design. | ||
| View original record | con'td. -3- have always recommended should be fitted. (12) It should be clearly understood that our engine is a larger engine and having very close fitting pistons (so that it shall run silently… | ||
| Scan103 | Series of recommendations for vehicle owners on how to manage cold weather issues, focusing on lubrication, battery maintenance, and starter motor usage. | ||
| View original record | Contd. -4- all as the current even on short circuit will be insufficient to give the required torque. In conclusion, the following recommendations should be followed:- (1) Advise owner to use very… | ||
| Scan104 | Page discussing arrangements for starting large aero engines, including carburation and priming. | ||
| View original record | contd:- -5- (4) Arrange the starting (priming etc.) so that the en will fire if turned ever so slowly; we started large aero engines quite reliably by hand turning very slowly indeed, and sparking… | ||
| Scan105 | Standardisation of the 40/50 starter motor, battery arrangement, and conductor size. | ||
| View original record | To R & E. From EFC. c. to CJ. & PN. c. to Ey. & EP. c. to Hs. & Hy. c. to Rg. &Da. RE 40/50 STARTER MOTOR. With part reference to our note EFC1/T8.2.22 re Batteries, and to the proposed… | ||
| Scan106 | Comparative tests of starting equipment on two different chassis. | ||
| View original record | x4298 To R.H.K. from EFC. EFC2/T13.2.22. c. to CJ. c. to Hv. c. to Hn. c. to EP. x4298 x 3082 x 4341 COMPARATIVE TESTS OF R.R. STARTING EQUIPMENT, COMPRISING P & R TYPE E.D.11 BATTERY; 27' OF 84/28's… | ||
| Scan107 | Comparative analysis of C.A.V. and R.R. engine starting systems, focusing on battery performance and virtual resistance. | ||
| View original record | Con'd. -2- EFC2/T13.2.22. Both engines were then started and allowed to warm up. Owing to the greater starter speed of the C.A.V. system, it was possible to start the engine on the magneto without the… | ||
| Scan108 | Analysis of starter motor electrical performance, comparing voltage drop and cable resistance in different scenarios. | ||
| View original record | Contd. -3- EFC2/T13.2.28. In the R.R. case, we consider, as stated at various times previously, that the battery characteristic and cables should be such that with the battery not too low in its state… | ||
| Scan109 | Continued discussion on the starter system's ampere consumption during engine start. | ||
| View original record | Contd. -4- EFC2/T13.8.22. present arranged, the starter system is definitely on the low side of the point where the minimum number of ampere minutes would be consumed when starting the engine in the… | ||
| Scan110 | Comparative test report on direct drive flywheel starters versus gearbox starters. | ||
| View original record | To RR of America Inc. for Mr. Belnap. Mr. Olley. c. to CJ. BJ. X.3558. c. to Wor. By. X.543. RE ELECTRICAL STARTER EQUIPMENT. c. to Hm. PN. X.4298. c. to Hs. EP. We have now been able to make an exact… | ||
| Scan111 | Comparison of C.A.V. and Bendix starter motor systems and arrangements. | ||
| View original record | Contd. -2- R2/M18.2.22. carry the motor thoroughly well. The C.A.V. is a better scheme than the Bendix, being magnetically engaged teeth and spiral keys combination. It will be noticed that the motor… | ||
| Scan112 | Comparative test results for various batteries on a chassis starter motor. | ||
| View original record | RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) X 4298 108591 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No.: Re: J.B.43. Customer's No.: X 664 Date: 7-5-1924 Batteries compared on chassis… | ||
| Scan113 | Comparing engine cold-start performance with American cars, noting superior reliability. | ||
| View original record | To Sg. from Hs. Y4298 Hsl/LGl.3.29. RE. STARTING UP ENGINES FROM COLD. Sg8/D28.2.29. Y1449 As regards starting up engines from cold. This is a point on which we can confidently say we are better than… | ||
| Scan114 | Comparing the performance of Bosch, Bijur, and Westinghouse starter motors and generators. | ||
| View original record | X4304 Oyl - M 27.4.20. To: Mr. F. H. Royce. Copy to Mr. E.F. Clark. Copy to Mr. Barrington. Copy to Mr. Nadin. Copy to Mr. Manning. Copy to Gardner. Copy to Mr. Belnap. From: Mr. Olley. April, 27th… | ||
| Scan115 | Comparison and recommendation concerning Bijur and Westinghouse starter motors. | ||
| View original record | Contd. -2- Oyl - M27.4.20. ularly in the range of speeds between 1500 and 2500 R.P.M. which will be used in turning the engine. Since, however, a torque of more than 4 ft. lbs. is seldom required… | ||
| Scan116 | Performance comparison of Bijur and Westinghouse starter motors against a standard starter. | ||
| View original record | Contd. -3- Oyl - M27.4.20. BIJUR. Assumed Engine Torque 45 ft. lbs. Gear ratio. Starter Torque Speed R.P.M. Starter. Ft. lbs. Starter Engine. Amperes. 12 to 1 4 1900 158 135 15 to 1 3.2 2080 139 115… | ||
| Scan117 | Potential omission of the epicyclic gear and comparing Bosch motors and generators with competitor models. | ||
| View original record | Contd. -4- Oyl - M27.4.20. of 12 to 1. This suggests that it might be possible to omit the epicyclic gear on the motor casing, but extensive tests would have to be made at very low temperatures (below… | ||
| Scan118 | Report comparing Lucas, Bosch, and Bijur motors and generators for potential use in cars. | ||
| View original record | Contd. -5- Oyl-M27.4.20. obtained on the production of generators, are rather better than the Lucas. We think the work is cheap on this machine and do not believe we should consider it in comparison… | ||
| Scan119 | Internal memorandum comparing the Bijur motor to existing and Westinghouse options. | ||
| View original record | R.R. 284a (100 T) (S.H. 159, 11-8-20) G. 2830 Contd. -6- Oyl - M27.4.20. b... The Bijur work is known by us to be good from past experience. c... They are a big corporation and have a reputation for… | ||
| Scan120 | Graph comparing the torque versus current for three different starter motors. | ||
| View original record | By Ap. 24 '20. I. X 4304 TORQUE OF 3 STARTER MOTORS CURRENT. Torque ft-lbs. 0 4 8 12 16 20 24 Amps. 0 100 200 300 400 500 600 BOSCH BIJUR. WESTINGHOUSE PRACTICAL MAXIMUM VALUE OF WORKING TORQUE | ||
| Scan121 | Graph comparing the B.H.P and Torque against R.P.M for three different starter motors. | ||
| View original record | II B.H.P & TORQUE R.P.M. R.P.M. OF 3 STARTER MOTORS. Y-AXIS (Left): B.H.P, Ft./LBS. SCALE (BHP): 0, 1, 2, 3, 4 SCALE (Torque): 0, 10, 20, 30, 40 X-AXIS (Bottom): R.P.M. SCALE: 0, 250, 500, 750, 1000,… | ||
| Scan122 | Graph comparing the RPM, current, and voltage drop of three different starter motors from Bosch, Bijur, and Westinghouse. | ||
| View original record | III R.P.M. CURRENT. OF 3 STARTER MOTORS By Ap 26'20 Y-AXIS LABELS: R.P.M. volts of battery Y-AXIS VALUES: 4000 | 12 3000 | 12 10 2000 | 8 6 1000 | 4 2 0 | 0 X-AXIS LABEL: Amps. consumed X-AXIS VALUES:… | ||
| Scan123 | Comparative tests of Bijur, Westinghouse, and Bosch starter motors, recommending the Bijur model. | ||
| View original record | To Oy. from R. Copy to CJ. " EFC. X4304 R5/G29.5.20. X. 4007 X. 1086 X 4007 X.3878. X4304 X.543. X.1058. X.294 X3878 RE STARTER MOTORS AND GENERATORS. I am in receipt of the comparative tests of the… | ||
| Scan124 | Starting procedures for aero engines and comparing different motors and gear ratios. | ||
| View original record | Contd. -2- R5/G29.5.20. You will remember that in all the aero engine work the engines were started by turning them at an exceedingly slow speed and we have received no complaints about the difficult… | ||
| Scan125 | Extract from a note regarding the Bijur starting motor for the American chassis. | ||
| View original record | W. R. 253a (100 T) (S. H. 798. 10-12-20) G. 2347 X.3740 X.4304 Extract from Mr. Olley's note of 1.7.20. RE AMERICAN CHASSIS. (2) STARTING MOTOR X-3740.4304 We have recommended the Bijur from a general… | ||
| Scan126 | Parts for the American chassis, specifically a recommendation to use the Bijur starting motor. | ||
| View original record | COPY. X.4304 'Oyl - G 14720. July 14, 1920. To: Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd. 15, Conduit Street, London, England. From: Mr. Olley. X.4304 X.1058 REPORT ON PARTS FOR AMERICAN… | ||
| Scan127 | Page 2 of a letter to Mr. Claude Johnson arguing for the use of the Bijur starting motor and urging an order be placed by August 5th. | ||
| View original record | To Mr. Claude Johnson - 2 - ------------------------- the extra horsepower is an additional assurance against starting trouble in winter time in this country where winter starting conditions are… | ||
| Scan128 | Differences in American and British starter motor technology, materials, and standardization. | ||
| View original record | To Claude Johnson - 3. American makers of this type of instrument must necessarily have gained experience with the general use of this type of instrument which we do not have. As an example I quote… | ||
| Scan129 | Letter to Mr. Claude Johnson regarding design practices for starter motors and generators. | ||
| View original record | To Mr. Claude Johnson - 4 - commutators on imported cars. On the other hand we take care in our designs to cover up terminals on starter motors and generators, a practice which has been shown by… | ||
| Scan130 | Use of American-made parts on chassis, highlighting a disagreement over a starter motor. | ||
| View original record | To R. from Hs. c. to Cj. c. to Wor. c. to Cy. c. to Na. XL130H Hs2/LG16.7.20. X.4304 X.3740. X.4162. X.294. X.543. X.3614. X.3893. RE AMERICAN PARTS FOR R.R. CHASSIS. Attached herewith are reportd on… | ||
| Scan131 | Comparing the in-house R-R starter motor with the third-party Bijur motor, referencing experiences with Packard cars. | ||
| View original record | Contd. -2- Hs2/LG16.7.20. We had a Bijur Motor in our possession and had tested it on the bench before the R-R motor was designed. There is no disputing the fact that the R-R Motor is far-and-way the… | ||
| Scan132 | Standardizing parts, such as generators, between the UK and US factories for the 40/50 chassis. | ||
| View original record | Contd. -3- HS2/LG16.7.20. If they agree that with the new model R.R. they will make all similar parts to those made at Derby, we think then there is not any advantage to be gained in departing from… | ||
| Scan133 | Report discussing the quality of generators and dynamos from suppliers like Lucas and Bijur for upcoming car production. | ||
| View original record | Contd. -4- Hs2/LG16.7.20. consistent quality of goods, for instance, we are always in constant communication with the Watford Magneto people and the Lucas people as regards faults on their machines… | ||
| Scan134 | Communication regarding the choice of switch for the Bijur Starter Motor on the chassis. | ||
| View original record | Ho. from BY. c. EFC. X4304 X.328/ X 4304 CHASSIS - STARTER MOTOR. E C BY6/H19.9.20 RECEIVED With reference to the cable I despatched to America as to what type of switch America suggested they would… | ||
| Scan135 | Experimental modification for the 'Condor' starter and switch. | ||
| View original record | X4309 To BF from DA. Copy to HS (1 print). Copy to TB (1 print). Copy to MO(1 print). [Struck through] Copy to EFC(1 print). "CONDOR" STARTER & SWITCH. -------------------- In order to overcome the… | ||
| Scan136 | Missing washer on a print for the 'Condor' starter gear and the provision of a revised print. | ||
| View original record | To BY. from DA. c. to HS. c. to TB. c. to RHC. c. to EFC. X.4309 DA1/AH7.1.21. ------------ X.4309 RE "CONDOR" STARTER GEAR" ------------------------ The print of "N" Scheme 713 sent to you on the 4th… | ||
| Scan137 | Fitting of parts for the 'Condor' engine switch control. | ||
| View original record | To H.H. from R.H.C. [struck through] c. to M? [struck through] c. to E.P.C. X.4309 RHC1/LG4.2.21. RE "CONDOR" ENGINE SWITCH CONTROL. X.4309. N Scheme 731 7/3 We have fitted one set of the above parts… | ||
| Scan138 | Testing and proposed modification of a Condor Starter Motor Switch. | ||
| View original record | Emr. G. to Da. S. to Hy. C. to Hs. X4309 Hs X4309 Re - Condor Starter Motor Switch. The switch which was handed over to us by the Experimental Dept., has been fitted up on an engine and proved quite… | ||
| Scan139 | Follow-up communication regarding a proposed modification to the Condor starter motor switch. | ||
| View original record | X1876 ? X4307 Hs E. to Du. C. to Hy. C. to Hs. X4307 X1876 RECEIVED MAR 5 EP/PO/PS.S.21. Condor Starter Motor Switch. Further to our EP/PO/P28.S.21, we shall be glad to hear what it is proposed to do… | ||
| Scan140 | The standardization of a modification to the Condor engine starter switch. | ||
| View original record | X.4309 Hs. from RMAR RECEIVED 10 MAR 1921 BY13-P10.3.21. CONDOR ENGINE STARTER. RE OPERATION OF STARTER SWITCH FOR MOTOR. Referring to EP/P9/F28221, in which EP, points out that the modification… | ||
| Scan141 | Recommendation to retrospectively alter Condor engine starter switches to prevent a serious, life-threatening failure. | ||
| View original record | [Header Information] W.R. 238A (100 T) (S H. 788. 10-12-20) G. 2947 [Stamp: RECEIVED APR 1921 HS] [Handwritten:] X4309 [Crossed out handwritten text:] BY. from Mr. H.S. c. to Mr. B.R. c. to H.B. c. to… | ||
| Scan142 | Circulating a standardisation sheet for the starter mechanism on Condor engines. | ||
| View original record | X1876 (crossed out) X4309 To Mr. From Hs/LG. c. to BY. c. to Da. c. to EP. c. to EN. Hs/LGS.4.21. X.1876 - STARTER MECHANISM ON CONDOR ENGINES. Attached please find copy of standardisation sheet for… | ||
| Scan143 | Enclosing two standardisation sheets for an experiment on the starter mechanism for Condor engines. | ||
| View original record | X.1876 X4309 To D/Rd. from Hs/LG. Hs/LG8.4.21. X.1876 - Starter Mechanism on Condor engines. Attached herewith are two copies of standardisation sheet for the above experiment. Will you kindly fill in… | ||
| Scan144 | Alteration to the starter mechanism on Condor engines. | ||
| View original record | R.R. 288A (5 H) (S.E. 278. 22-11-17) Hm. 2/195/80. X.4309 ORIGINAL COMPLETED 15.4.21 ALTERATIONS TO R.R. AERO ENGINE PARTS. Description of Parts. Starter Mechanism on Condor engines. Origin. To allow… | ||
| Scan145 | Cover note for a standardisation sheet regarding the starter mechanism on Condor engines. | ||
| View original record | To Wor. from Hs/LG X1876 X4309 Hs/LG/12.4.21. X.1876 - STARTER MECHANISM ON CONDOR ENGINES. Please find attached copy of standardisation sheet for the above. Will you kindly remark upon, sign and… | ||
| Scan146 | Standardisation sheet for a starter mechanism on Condor engines and drawings for universal joint lubrication. | ||
| View original record | X1876 X4309 To Hs/LG. from Rd. Rd/N1/M12. 4. 21/139B. X.4348 X NO. 1876 - STARTER MECHANISM ON CONDOR ENGINES. Hs/LG3.4.21. Please receive Standardisation Sheet duly filled in with costs. Regarding… | ||
| Scan147 | Cover letter for a standardisation sheet regarding the starter mechanism on Condor engines. | ||
| View original record | x1876 x4309 To R. from Hs/LG. c. to CJ. and BJ. Hs/LG12.4.21. X.1876 - Starter Mechanism on Condor engines. Attached please find copy of standardisation sheet for the above. Will you kindly remark… | ||
| Scan148 | Cover note for a standardisation sheet on the starter mechanism for 'Condor' engines. | ||
| View original record | To R. from Hs/LG. c. to C.J. and B.J. c. to Wor. c. to BN. c. to Da. c. to BY. c. to EP. X1876 X4309 Hs/LG16.4.21. X.1876 - STARTER MECHANISM ON "CONDOR" ENGINES. Please find attached completed copy… | ||
| Scan149 | Note stating an experiment for the Condor starter mechanism is being put forward for standardisation. | ||
| View original record | Ws. from Hs/LG. X1876 (handwritten, struck-through) x4309 (handwritten) Hs/LG18.4.21. X.1876 - CONDOR STARTER MECHANISM. E.17493 Kindly note, the above experiment is now going through for… | ||
| Scan150 | Alteration to the standardisation sheet for the starter mechanism on Condor engines. | ||
| View original record | X1876 X4309 Hs. EP/Thn12/F18.4.21. F.R. STARTER MECHANISM FOR CONDOR ENGINES. X4309 With reference to the standardisation sheet X.1876, we take it that this is an alteration to heading "A", and shall… | ||
| Scan151 | Cost and logistics of modifying the starter mechanism for Condor Engines. | ||
| View original record | *1876 X4309 EP/PS/F21.4.21. Re - Standardisation Sheet X.1876. x4309 Starter Mechanism of Condor Engines. With regard to the above completed sheet we take it replacement of these parts is to be done… | ||
| Scan152 | Standardisation sheet for the Condor Engine Electrical Power Starter Switch, discussing consent from the Air Ministry and Admiralty. | ||
| View original record | X1076 (crossed out) XL4309 EP/P5/F29.4.21. Condor Engine Electrical Power Starter Switch. Standardisation sheet X.1076 (crossed out) X4309 We are assuming that the consent of the Air Ministry has been… | ||
| Scan153 | Technical complexity and alternatives for implementing headlight dimmers. | ||
| View original record | X.4311 To EWT. from EFC. c.c. to Hs/TMW. c.c. to Hy. EFC17/T7.12.20. X.4291. HEAD LIGHT DIMMERS. X.1357 X.4311 With reference to your note EWT/HWC7/G26.11.20, covering Mr. Olley's note Oy5/G6.11.20,… | ||
| Scan154 | Continued discussion on methods for reducing headlights, favouring a series parallel switch. | ||
| View original record | Contd. -2-- Contd. considered, we think, as it would involve complication in the lamps, wiring and switchboard. On the whole of the three methods proposed, we consider that the series parallel switch… | ||
| Scan155 | Letter from Rolls Royce of America Inc. discussing the best scheme for headlamp dimmers for both English and American chassis. | ||
| View original record | R. R. 385A (100 T) (S.H. 798. 19-12-20) G. 1047 X4311 Oy/G - 3121. Jan. 3rd. 1921. Mr. Claude Johnson, Managing Director. Rolls-Royce Ltd., London, England. Attention Mr. F.H. Royce. Dear Sirs,… | ||
| Scan156 | Letter discussing head-light and side-light configurations on American cars for the English market, comparing legal requirements and proposing a new combination. | ||
| View original record | R.R. 234A (100 T) (S.H 798. 10-12-20) G. 2947 X4311 C O P Y. Oy5/G6.11.20. Nov. 6th 1920. Mr. Claude Johnson, Managing Director. Rolls-Royce Ltd., London, England. Attention: Mr. F.H. Royce. Dear… | ||
| Scan157 | Alternative methods for modifying a vehicle's headlight circuit. | ||
| View original record | Contd. -2- Oy5/G6.11.20. to insert a resistance in the headlights circuit, but the more efficient methods are - (a) To connect the headlights in series. (b) To illuminate small auxiliary bulbs in the… | ||
| Scan158 | Cover memo for documents from America regarding headlamps and oil pump gears. | ||
| View original record | BY. Hs. Wor. X4311 EP11/H12.8.26 re. Memos from America :- 1. Headlamps. Oy6-E-72126. 2. Oil Pump Gears. Oy6-E-72126. I attach herewith memos in regard to the above for you to note and return to me… | ||
| Scan159 | Reprint from 'The Commercial Motor' titled 'Replacement or Renovation?' by The Electro-Ferrous Engineering Co., Ltd. | ||
| View original record | X 4317 Reprinted from "The Commercial Motor." August 24, 1920. REPLACEMENT . . OR . . RENOVATION ? THE ELECTRO-FERROUS ENGINEERING CO., Ld. Paddock Works, LOWER CAVERSHAM, Telephone: 1253 Reading.… | ||
| Scan160 | Article discussing the process of renovating worn parts using electro-deposition, from scrap-heap to finished stores. | ||
| View original record | Reprinted from “The Commercial Motor,” August 24, 1920. REPLACEMENT OR RENOVATION? How Electro-deposition on Worn Parts Helped Transport in the War—The Romance of Renovation—Science and Salvage—An… | ||
| Scan161 | Article detailing the process and benefits of repairing worn metal parts using electro-deposition, with photographic examples. | ||
| View original record | half the cost that you would have to pay for new parts, and with less delay than you would, in many cases, experience in getting them.” That, undoubtedly, is an attractive and a practical proposition.… | ||
| Scan162 | Letter complimenting The Electro-Ferrous Engineering Co Ltd on the successful testing of their iron depositing work. | ||
| View original record | X431Y COPY. 5th Nov.1920. Messrs. The Electro-Ferrous Engineering Co Ltd. Metallurgists. Paddock Works. Lower Caversham. Reading. Re: Samples of Iron Depositing. Dear Sirs:- We have now had an… | ||
| Scan163 | Letter from The Electro-Ferrous Engineering Co. to Mr. Clark regarding their steel deposition process and a proposal to treat a sample part. | ||
| View original record | "Direct" Process of Building-up and Re-sizing Worn or Under-sized Machined Surfaces. THE ELECTRO-FERROUS ENGINEERING Co., Ltd., Metallurgists, Telephone: PADDOCK WORKS, LOWER CAVERSHAM, Telegrams:… | ||
| Scan164 | Letter to The Electro-Ferrous Eng. Co. Ltd. regarding trials on deposition systems and sending parts. | ||
| View original record | X.4317 EFC1/T. 13th January, 1921. Mr. Ernest C. B. Saxby, The Electro-Ferrous Eng. Co. Ltd., Paddock Works, Lower Caversham, Reading. X.4317 Dear Mr. Saxby, I have now to hand your telegram and both… | ||
| Scan165 | Iron depositing process by the Electro-Ferrous Eng. Company and arranging to send parts for trial. | ||
| View original record | To By. from EFC. X4317 EFC2/T13..1.21. X.4317 - IRON DEPOSITING BY THE ELECTRO-FERROUS ENG. COMPANY We handed to your Mr. Mattinson yesterday particulars of this process. I now attach copy of a letter… | ||
| Scan166 | Letter to The Electro Ferrous Eng. Co. Ltd. requesting the build-up of two small parts. | ||
| View original record | X4314 copy EFC. BY/tn19/P18121. The Electro Ferrous Eng, Co, Ltd., Paddock Works, Lower Caversham, Reading. January 18/21. Tuesday. Attention of Mr Ernest C.B.Saxby. Dear Sir., Further to our letter… | ||
| Scan167 | Iron depositing process by the Electro-Ferrous Engineering Company. | ||
| View original record | To By. from EFC. EFC2/T13..1.21. X.4317 - IRON DEPOSITING BY THE ELECTRO-FERROUS ENG. COMPANY We handed to your Mr. Mattinson yesterday particulars of this process. I now attach copy of a letter we… | ||
| Scan168 | Letter to Mr. Saxby of The Electro-Ferrous Eng. Co. Ltd. regarding trials on deposition systems and the arrangement to send parts. | ||
| View original record | EFC1/T. 13th January, 1921. Mr. Ernest C. B. Saxby, The Electro-Ferrous Eng. Co. Ltd., Paddock Works, Lower Caversham, Reading. Dear Mr. Saxby, I have now to hand your telegram and both your letters.… | ||
| Scan169 | Letter from The Electro-Ferrous Engineering Co. proposing their steel 'Deposition' process for worn or undersized parts. | ||
| View original record | "Direct" Process of Building-up and Re-sizing Worn or Under-sized Machined Surfaces. THE ELECTRO-FERROUS ENGINEERING Co., Ltd., Metallurgists, Telephone: Reading 1253. PADDOCK WORKS, LOWER CAVERSHAM,… | ||
| Scan170 | Letter providing positive feedback on tests of iron deposition on sample work. | ||
| View original record | COPY. 5th Nov.1920. Messrs The Electro-Ferrous Engineering Co Ltd. Paddock Works, Lower Caversham - Reading. Re: Samples of Iron Depositing. Dear Sirs:- We have now had an opportunity of thouroughly… | ||
| Scan171 | Reprint from 'The Commercial Motor' discussing the renovation of worn parts via electro-deposition. | ||
| View original record | half the cost that you would have to pay for new parts, and with less delay than you would, in many cases, experience in getting them. That, undoubtedly, is an attractive and a practical proposition.… | ||
| Scan172 | Article detailing the process of renovating worn vehicle parts using electro-deposition, developed during the war. | ||
| View original record | Reprinted from “The Commercial Motor,” August 24, 1920. REPLACEMENT OR RENOVATION? How Electro-deposition on Worn Parts Helped Transport in the War—The Romance of Renovation—Science and Salvage—An… | ||
| Scan173 | Letter regarding a quality issue with deposited parts where the coating on a pinion has started to peel off. | ||
| View original record | X4317 copy, EFC. E F C FEB 7 1922 RECEIVED. BY/Mtnl/P5221. Electro Ferrous Engineering Co.,Ltd., Paddock Works, Lower Caversham, READING. February 5/21. Saturday. Attention of Mr E.B. Saxby. Dear… | ||
| Scan174 | Letter confirming the upcoming dispatch of parts and the testing of a planet wheel. | ||
| View original record | BY/Mtnl/P5221. contd. - 2 - We shall be despatching to you a further consignment of parts during next week, and in the meantime we shall test the planet wheel we recently received from you. Will you… | ||
| Scan175 | Letter to Electro Ferrous Eng.Co,Ltd., regarding various parts requiring depositing. | ||
| View original record | copy EFC. X.4317 EFC FEB 7 1922 RECEIVED COPY BY/Mtnl/P7221. February 7/21. Monday. Messrs. Electro Ferrous Eng.Co,Ltd., Paddock Works, Lowey Caversham, READING. Dear Sirs., We are forwarding you,… | ||
| Scan176 | High tension magnetos from French manufacturer S.E.V., including a booklet, blueprint, and price lists. | ||
| View original record | Hs. from Wd. c. to EFC. c. to Da. c. to By. c. to Ms. X.4334 Wd1/NJ12.10.20. High Tension Magnetos made by S.E.V., Issy (Seine). Our Paris house have sent us a booklet regarding the above, together… | ||
| Scan177 | High tension magnetos made by S.E.V. in Issy (Seine). | ||
| View original record | To EFC. from Hs/TMW. Hs/TMW2/LG27.1.21. High Tension Magnetos made by S.E.V. Issy (Seine) With reference to Wd1/NJ12.10.20 referring to the above, we should be glad if you will deal with this matter.… | ||
| Scan178 | French price list for S.E.V. magnetos, supplements, and spark plugs. | ||
| View original record | 1er Juillet 1920. S . E . V. ( 46-A ) SOCIETE ANONYME POUR L'EQUIPEMENT ELECTRIQUE DES VEHICULES 26, Rue Guynemer à ISSY (Seine). Succursale à LYON, 257, Rue Vendôme. TARIF DES MAGNETOS. A1, pour… | ||
| Scan179 | Confidential price list for S.E.V. magnetos, supplements, and spark plugs. | ||
| View original record | de juillet-1920.. (47-A) TARIF CONFIDENTIEL.- S.E.V. SOCIETE ANONYME POUR L'EQUIPEMENT ELECTRIQUE DES VEHICULES 26, Rue Guynemer, à ISSY (Seine) Succursale à LYON : 257, Rue Vendôme. TARIF DES… | ||
| Scan180 | Quote from French firm S.E.V. for magnetos and the associated costs. | ||
| View original record | X 433 4 EFC. from Wd. Wd7/NJ1.6.21. X.4384 S.E.V. Magnetos. Herewith I send you a note Mac17/YG30.5.21, together with a letter from S.E.V., a French firm constructing magnetos. At the present rate of… | ||
| Scan181 | Declining an offer for S.E.V. magnetos and sparking plugs. | ||
| View original record | X 4334. To Wd. from EFC. EFC3/T2.6.21. X.4334 - S.E.V. MAGNETOS & SPARKING PLUGS. Answering your Wd7/NJ1.6.21 we do not think this offer has any interest for us and therefore are returning to you the… | ||
| Scan182 | The investigation of a failing S.E.V. magneto from a Delage car. | ||
| View original record | To EFC. from DA. X4334 Dal/M7.7.22. X.4334. RE S.E.V. MAGNETO OFF DELAGE We are sending you under separate cover the magneto off this car. Its history is that it broke down when we were in Derby by… | ||
| Scan183 | Continuation of a memo from Mr. Royce requesting an investigation into a magneto. | ||
| View original record | Dal/M7.7.22. -2- Contd. Mr. Royce would like you to investigate this magneto and tell us if possible what has actually happened. The H.T. distributor rings and the cover for the contact breaker are… | ||
| Scan184 | Confirming the dispatch of a S.E.V. magneto from a Delage vehicle by passenger train. | ||
| View original record | X.4334. ORIGINAL. To EFC. from DA. DA1/M10.7.22. X 4334 RE. SEV. MAGNETO OFF DELAGE. Further to Dal/M7.7.22., kindly note that the above magneto was despatched to you per passenger train to-day. DA. | ||
| Scan185 | Instructions detailing the diagnosis and repair of a faulty SEV Magneto from a Delage Car. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: AB.48 Customer's No: 1 X.4334.. X.4334 SEV Magneto off Delage Car. This magneto was found to have a… | ||
| Scan186 | Investigation report on a faulty S.E.V. magneto from a Delage car. | ||
| View original record | To R. from EFC. c. CJ. c. Da. X.4334. EFCl/T10.8.22. X.4334 - S.E.V. MAGNETO OFF DELAGE CAR. We have now completed the investigation of the above magneto as requested in Dal/M7.7.22. It appears that… | ||
| Scan187 | Page confirming a magneto does not need to be returned to West Wittering. | ||
| View original record | Contd. -2- EFCL/T10.8.22. There does not appear to be anything else wrong. It is understood that it is not required for this magneto to be returned to West Wittering. EFC. | ||
| Scan188 | Fault with an S.E.V. magneto from a Delage car and its potential use for testing. | ||
| View original record | To EFC. from R. R7/M12.8.22. X4334 X.4334 - RE S.E.V. MAGNETO - EX DELAGE CAR The fault on this magneto should be found by somebody - if necessary return it to the S.E.V. Co. When it has been put in… | ||
| Scan189 | Confirming the handover of a S.E.V. magneto armature from a Delage car for fault diagnosis. | ||
| View original record | X.4334 To RHC. from EFC. EFC2/T8.9.22. X.4334 - S.E.V. EX DELAGE CAR. This will confirm that we have handed to you the armature of thismagneto to be unwound for the purpose of locating the break in… | ||
| Scan190 | Sending S.E.V. magneto parts to the Stores for despatch. | ||
| View original record | X4334 To Wd. from EFC. c Shipping Office. c. Despatch Stores. EFC1/T22.9.22. X.4334 - S.E.V. MAGNETO We are this morning sending into the Stores to await your instructions for despatch, the S.E.V.… | ||
| Scan191 | Returning a faulty S.E.V. magneto (No. 186909) for repair due to corrosion from soldering flux. | ||
| View original record | X4334 To Wd. from EFC T EFC1/T9.9.22. X. 4334 - S.E.V. MAGNETO. We desire to return for repair to the S.E.V. Co. a double spark magneto, type No.186909 C.6 /, which was taken from the Delage car,… | ||
| Scan192 | Test results for S.E.V. Magnets carried out on the Watford type E.O.6.(c). | ||
| View original record | RR 238 [50 BKS.] [SHS7. 28-6-20.] MP 224355 X 4334. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Order No. W.A.I. Customer's No. X4334 Date 7-Jan-1921 Test of S.E.V. Magnets. This magneto was carried… | ||
| Scan193 | Instruction sheet detailing tests and measurements for an advance lever and sparking system. | ||
| View original record | RR 238(150 BKS.) SH57.29-6-20.) MP 224355 ROLLS-ROYCE LTD. INSTRUCTIONS. 7-Jan-1923. To Order No. W. A. 1 Customer's No. X4334 (2) Range of Advance lever = 19°. (3) OK (4) OK Force required = 3 lbs to… | ||
| Scan194 | The availability of a tested S.E.V. Double Spark Magneto for engine experiments. | ||
| View original record | X. 4334 To Hs. from EFC. EFC3/T9.1.24. X. 4334 - S.E.V. DOUBLE SPARK MAGNETO. Should it be required at any time in any of your engine experiments to produce two synchronised ignition sparks, this is… | ||
| Scan195 | Instruction to manufacture two sets of battery ignition contact points from gold-silver. | ||
| View original record | X4335 To BY/RD. from EFC. EFC1/T19.10.27. Will you please instruct two sets of battery ignition contact points in the same material, viz. gold-silver, which we use for the cutout contact points, as it… | ||
| Scan196 | Potential new contact point material known as 'Post Office metal' for experimentation. | ||
| View original record | To ROY. from EFC. X4335E EFC2/T2O.10.27. " By. I was in conversation with Mr. Vandervell yesterday, and he said that they got quite good results on contact points with a contact point material known… | ||
| Scan197 | Request to make two sets of battery ignition contact points from a gold-silver alloy. | ||
| View original record | To BY/RD. from EFC. X4335a EFCL/TEO.10.27. Will you please instruct two sets of battery ignition contact points in the same material, viz. gold-silver, which we use for the cutout contact points, as… | ||
| Scan198 | Letter from Johnson Matthey & Co. Limited detailing the composition of 'Post Office Metal' alloys. | ||
| View original record | X 4335 JOHNSON MATTHEY & CO. LIMITED 73/83, HATTON GARDEN, LONDON, E.C.1. 22nd. October 1927. ROY6/MG21.10.27. E/JC/IA. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, Replying to your favour of the 21st… | ||
| Scan199 | Letter from W.H. Reynolds & Co. discussing mounting alloy samples and recommending Iridio-platinum. | ||
| View original record | X4535 W.H. REYNOLDS & CO. BIRMINGHAM. Oct. 22nd. 1927. Our ref. RJD/JHE797. Your ref. ROY26/MG21.10.27. Messrs. Rolls-Royce Ltd., Derby. Gentlemen, In reply to yours we shall be pleased to mount you… | ||
| Scan200 | Metal used for cutout contact points from suppliers Messrs. Reynolds and Johnson Matthey. | ||
| View original record | To ROY. from EFC. X4335 EFC3/T24.10.27. We have duly noted the contents of the two letters (herewith returned) from Messrs. Reynolds and Messrs. Johnson Matthey, and note that one type of P.O. metal… | ||
| Scan201 | Order for gold-silver contact points on battery ignition screws. | ||
| View original record | X4335 To BY/RD. from EFC. EFC3/T24.1.28. GOLD-SILVER CONTACT POINTS MOUNTED ON BATTERY IGNITION SCREWS. X4008 It appears that you ordered the two of these we had previously with the two sets of… | ||
| Scan202 | Distributing blueprints of a modified Body Clearance Template for the Back Axle. | ||
| View original record | X.4302 To EV from DA/EV. Copy to HS (1 print). (struck through) Copy to Wh (1 print). (struck through) Copy to HO (1 print). (struck through) Copy to EFC. DA/EV3/CB22-11-20. X.4302 Re Body Clearance -… | ||
| Scan203 | New blueprints for a coachbuilder's body clearance template for the back axle of a 40/50 chassis. | ||
| View original record | To Mr. Coverley. C. to EFC. Conto.Ms. Gorton.Ds. X4302 BY/HEB/5/DW.6/12/20. EXPERIMENTAL X.4302. 40/50 CHASSIS. x 3729 RE COACHBUILDERS BODY CLEARANCE BACK AXLE. -------------------- F.8910 - Kindly… | ||
| Scan204 | Specification for 40/50 chassis clearances for boxes and wheels mounted in wells on the running boards. | ||
| View original record | X.4302. Extract from Da/Ev3/M5.12.22. X.4219. (5) 40/50 CHASSIS CLEARANCES X.4302. Boxes and wheels carried in wells on the running boards should not project through the latter more than 2½" below the… | ||