Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Requesting enquiries to be made to various firms for the supply of a starter motor for the Goshawk II engine. | ||
| View original record | To EFC. from R. Copy to CJ. " " WOR. " " DA. " " HS. " " BY. X 4342 R9/G6/4/21. X4384 RE "GOSHAWK II" ELECTRICAL EQUIPMENT. X4342 We send you herewith Lec.1373 shewing the scheme we propose using for… | ||
| Scan002 | Adapting third-party starter motors and dynamos for the Goshawk II engine. | ||
| View original record | X4342 7 APR 1921 E5/G6/4/21. To EFC. from E. Copy to CJ. " WOR. " DA. " HS. " BK. X4383 RE "GOSHAWK II" ELECTRICAL EQUIPMENT. X4342 RECEIVED X4359 In our memo R9/G6/4/21 we ask you to find out the… | ||
| Scan003 | Confirming arrangements to investigate adapting other makers' dynamos and motors for the Goshawk II chassis. | ||
| View original record | X.4342 To Ds. from EFC. a. Ey. b. Da/Thr. c. Ey/WER. d. Sor. e. Wd. EFC4/T11.4.21. X 4359 X.3533 - "GOSHAWK" II DYNAMO. OF OTHER MAKE X294 X4341 X 4342 X.3534 - "GOSHAWK" II MOTOR. " " " X543 This is… | ||
| Scan004 | Internal memorandum discussing the trial of a C.A.V. motor on a 40/50 chassis and related correspondence. | ||
| View original record | R.R. 225A (b) T(S) H. 985. 15M-91. G. 2068 Contd. -2- EFC4/T11.4.21. the 40/50 chassis, except that we do not require any pinion. In explanation of this we would say that we want to examine this motor… | ||
| Scan005 | Test data for starting a Goshawk engine with a standard starter motor under cold and hot conditions. | ||
| View original record | R R Derby copy form F 106. 10-11-20 C 5047 X4342 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. |… | ||
| Scan006 | Table of proposed motors for the Goshawk project, detailing makers, types, diameters, and weights. | ||
| View original record | X.4342 22.4.21. X.4342 - MOTORS PROPOSED FOR GOSHAWK. Maker. Type. Dia. Weight. C. A. V. SC 4" Rotax. M.T.1.L. 4½" 21 lbs. Smith 5S 4½" Smith 4LS 5" EFC. | ||
| Scan007 | Ordering and modification requirements for Goshawk II starter motors supplied by C.A.V., Smith, and Rotax. | ||
| View original record | To DA/THT. C. to EFC. X 4342 BY/WER1/EF9. 5. 21. X 4342 "GOSHAWK" II. STARTER MOTORS. Re. Ordering of Modified C.A.V., Smith and Rotax Motors. Referring to your "N" Scheme 838 which shews the 4.500… | ||
| Scan008 | Instructions regarding motor assembly, including component supply, bearing clamping, drawing tolerances, and direction of rotation. | ||
| View original record | - 2 - BY/WERL/EF9. 5. 21. - Continued. will forward to them the special Shaft and Bearing Bracket together with the small parts appertaining to the Bearing Bracket in order that they may completely… | ||
| Scan009 | Progress report on alternative motors and dynamos for the Goshawk II from various suppliers. | ||
| View original record | X4342 24.5.21. X.4342 - MOTORS OF OTHER MAKES FOR GOSHAWK II Smith Both motor and dynamo well in hand in By's Dept. C.A.V. Both motor and dynamo well in hand, but not so far advanced as Smith. Rotax.… | ||
| Scan010 | Suitability of various third-party starter motors for the Goshawk II engine. | ||
| View original record | To Da. from EFC. c. Ry c. Da/Thr. c. Ry/WER X.4342 EFC8/T2.6.21. 43 X.3242 - STARTER MOTORS OF OTHER MAKES FOR GOSHAWK II. During my visit to Mr. Royce we reviewed the various motors of other makes… | ||
| Scan011 | Correspondence and ordering of starter motors and dynamos for the 'Goshawk II' project. | ||
| View original record | X4342 To WB from DA/THR. c. to BH. c. to EFC. X. 4342 Starter Motor and Dynamo for "Goshawk II". X. 4359 We send herewith copies of correspondence which had passed between us and the following firms… | ||
| Scan012 | Suitability of a Rotax starter motor for the Goshawk II engine and considering alternatives from other firms. | ||
| View original record | X4342 To E. from EFC. c. Da/Thr. c. Da. c. Ey. c. Ey/WER. EFC4/T7.6.31. X.4342 L X 4342 S X 4342 R X.4342 - ROTAX MT1L STARTER MOTOR FOR GOSHAWK II. X.4359 You may remember thatduring my visit, when I… | ||
| Scan013 | Proposition to have Messrs. Smith lengthen their type 5S motor. | ||
| View original record | R.R. 255a (100 T) (S.H. 798. 10-12-30) G. 2948 Contd. -2- EFC4/T7.6.21. be helpful and would enable work to proceed more satisfactorily. We should also be grateful for an answer to our EFC7/T2.6.21… | ||
| Scan014 | Electrical systems for the Goshawk II, including correspondence with Lucas Electrical Co. Ltd. | ||
| View original record | To EFC. from Wd. c. to R. c. to CJ. c. to Da. c. to Hy. X.4342 Wd2/HJ7.6.21. X.4359. X.1402. X.4342. X.4338 - ELECTRICAL SYSTEMS FOR GOSHAWK II. I shall be pleased to learn whether you have had a… | ||
| Scan015 | Proposal from Lucas Electrical Co. Ltd. to supply dynamos and motors for the Goshawk II. | ||
| View original record | Contd. -2- WD2/NJ/7.6.21. and they do not appear to have been asked whether they were prepared to design a dynamo not larger than 5¼" dia. You are aware that they have offered to associate themselves… | ||
| Scan016 | The design of dynamos and motors for the 'Goshawk I' and 'Goshawk II' 40 HP chassis. | ||
| View original record | To DA. from E. Copy to C.L., R.W.R., A.F.C.S., H.S., B.P.O. x4342 X4342 x 543 X4359 x 294 RE R.R. DYNAMOS AND MOTORS - "GOSHAWK I" AND II" 40 HP. CHASSIS. We have sent you under cover of our memo… | ||
| Scan017 | Requesting particulars for the Goshawk II dynamo and motor, conveying Mr. Royce's concerns about potential delays. | ||
| View original record | To EFC. from E. X4342 E6/G23.6.21. X.4384 X.4383. RE "GOSHAWK II" DYNAMO & MOTOR. X.4342. X.4359. Would you kindly note Mr. Royce wishes you to let him have the particulars of the "Goshawk II" dynamo… | ||
| Scan018 | Request from Mr. Royce for drawings of 'Goshawk II' Dynamo & Motors from other manufacturers. | ||
| View original record | X 4342 R.R. ogs (aero) (H.H. Sec. 19-2-21) G. 3009 To BY from DA/THR. DA/THR2/CB7-7-21. X.4342 X4359 Re "Goshawk II" Dynamo & Motor of other makes. We send herewith a copy of E6/G23-6-21 on above.… | ||
| Scan019 | Conveying Mr. Royce's urgent request for particulars on the 'Goshawk II' dynamo and motor, and his concerns about design delays. | ||
| View original record | COPY. To EFC from E. E6/G23-6-21. X.4384 X.4383. X.4342 X.4359. RE "GOSHAWK II" DYNAMO & MOTOR. Would you kindly note Mr Royce wishes you to let him have the particulars of the "Goshawk II" dynamo and… | ||
| Scan020 | The status of outline drawings and orders for 'Goshawk II' dynamos and motors from outside firms. | ||
| View original record | X.4342 To EY. from "D" Dept. BY/WERS/EF7.7.21. X.4349 "GOSHAWK II" DYNAMOS AND MOTORS OF OUTSIDE FIRMS. X.4342 In accordance with the request contained in memo E6/G3.6.21 to EFC., please receive… | ||
| Scan021 | The ordering and modification of sample starter motors for the 'Goshawk' II engine from various external firms. | ||
| View original record | To RHC. C. to EFC. Mr. Broome Mr. Eyre [STAMP: FC EXPERIMENTAL JUL 8] X 4342. BY/WER4/EFS. 7. 21. X. 4342D.- "GOSHAWK" II. SAMPLE STARTER MOTOR ORDERED FROM OUTSIDE FIRMS. With reference to the above… | ||
| Scan022 | Listing drawings for securing screws, washers, studs, and bearing brackets for Lucas and Rotax models. | ||
| View original record | EXPERIMENTAL - 2 - BY/WER4/EFS. 7. 21. the Ball Bearing quoted on the L.O.P. As soon as possible drawings and L.O.P.'s of the special Shaft and Bearing Bracket for the Lucas and Rotax (if ordered)… | ||
| Scan023 | Suitability of C.A.V., Smith, and Rotax starter motors for the 'Goshawk II' engine. | ||
| View original record | X4342 To R. from EPC. c. to CJ. c. to E. c. to By. c. to Ds. c. to Ds/Thr. c. to By/WER. EFC1/T9.7.21. X.4342 - STARTER MOTORS OF OTHER MAKES FOR 'GOSHAWK II' We are sending you herewith, in… | ||
| Scan024 | Report regarding the procurement of a suitable motor from suppliers Lucas and Brolt. | ||
| View original record | Contd. -2- EFC1/T9.7.21. Lucas Motor. Messrs. Lucas have not a standard motor which is suitable. The carcase diameter of the motor they recommend is unsuitable for our requirements. Full particulars,… | ||
| Scan025 | Dynamos and motors for the 'Goshawk II' engine. | ||
| View original record | X4342 To R & E. from EFC. c. to CJ. c. to E. c. to Da. c. to Da/Thr. c. to By. c. to By/WER. EFC6/T19.8.21. X.4359B. DYNAMOS & MOTORS FOR "GOSHAWK II". X.4342B. Please find attached table showing the… | ||
| Scan026 | Status report on the supply of dynamos and starter motors for the 'Goshawk II' from various manufacturers. | ||
| View original record | 19.8.21. PRESENT POSITION OF DYNAMOS AND MOTORSOF VARIOUS MAKES FOR "GOSHAWK II". Make. Dynamo. Starter Motor. Brolt. Messrs. Brolt have submitted prints of performances of standard machines, which… | ||
| Scan027 | Dynamo and starter motor for the 'Goshawk II'. | ||
| View original record | To EFC. from E.O. E1/G24.8.21. X.4342. RE DYNAMO & STARTER MOTOR FOR "GOSHAWK II" X.4359. X.4342R In reply to your memo EFC1/T15.7.21, and with reference to your EFC6/T19.8.21, giving present position… | ||
| Scan028 | The earthing of externally produced Goshawk II dynamo and motor parts. | ||
| View original record | X4342 EFC. from BY. BY9-P9.9.21. X.4342 GOSHAWK 11. DYNAMO & MOTOR. X.4359 OUTSIDE MAKERS. With reference to the above parts which we are having produced outside, I do not think we should introduce… | ||
| Scan029 | Modifications to starter motors and dynamos for the 'Goshawk' earthed electrical system. | ||
| View original record | X4342 To Ry/WER. from EFC. EFC1/T10.9. 21. X.4342. STARTER MOTOR AND DYNAMO OF OTHER X.4359. MAKE FOR "GOSHAWK". With reference to the Goshawk electrical system being intended to be an entirely… | ||
| Scan030 | Suitability of dynamos and motors from various manufacturers for the Goshawk II engine's earthed electrical system. | ||
| View original record | X4342 EFC2/T13.9.21. R. & E. from EFC. c. CJ. & PN. c. By. & Da. c. Rg. & EP. c. Hm. c. R.R. of America Inc. X.4359. X.4342. RE DYNAMOS AND MOTORS OF OTHER MAKES. X.4341. With reference to dynamos and… | ||
| Scan031 | The testing and evaluation of C.A.V. dynamos and motors for the Goshawk car. | ||
| View original record | -2- Contd. of their visit. Since Mr. Glaser's appointment, he has been carefully going over their dynamos. Sometime previously, the C.A.V. had sent us a curve of output of the small dynamo they have… | ||
| Scan032 | The poor performance of a motor for the 40/50 chassis, its heavy current draw, and the necessary modifications for its application. | ||
| View original record | R.R. Copy for T(N.H. 159. 11-8-20) G. 2500 Contd. -3- EFC2/T13.9.21. and stated that he would probably be improving the motors in this respect. The motor we have obtained for the 40/50 takes such a… | ||
| Scan033 | Comparing dynamos and motors from suppliers Rotax, Lucas, C.A.V., and Smith for the Goshawk II. | ||
| View original record | To Wd. from EFC. X 4342 EFC4/13.10.21. X.4359 X.4342. DYNAMOS & MOTORS FOR GOSHAWK II. We would like you to obtain for our own and Mr. Royce's information, the prices at which Messrs. Rotax, Lucas and… | ||
| Scan034 | Modifications to the dynamo and starter motor drives for Goshawk 11 and 40/50 models. | ||
| View original record | X4342 To EFC. from R. c. to CJ. c. to Wor. c. to Wd. c. to BY. c. to EF. c. to Hy. R7/M15.12.21. X.4359 RE. GOSHAWK 11. AND 40/50 DYNAMOS, STARTER X.4342 X.4383 MOTORS AND DRIVES. X.3779 Your memo.… | ||
| Scan035 | Unsatisfactory drives, recommending magnetic operating for a 40/50 modified engine and ceasing use of Rotax. | ||
| View original record | -2- contd:- R7/M15.12.21. I am not surprised to hear from Olley that these drives are not entirely satisfactory. Whether we can make them better I know not. I am inclined to recommend magnetic… | ||
| Scan036 | Comparative table of specifications for various starter motors for a small car. | ||
| View original record | X.543. STARTER MOTOR TABLES. (Additional sheet II - Motors for small car). Handwritten top center: X4342 Handwritten top right: SHEUY | STARTER MOTOR. | X.4342V. C.A.V. SC. | X.4342S. Smith SS |… | ||
| Scan037 | Sourcing of lighting and starting equipment from Brolt Ltd. | ||
| View original record | H.R: 288 (100 T) (S.H. 798, 10-12-20) G. 2048 X.4342. B To EFC. from R. c. to CJ. R6/G14 6.21. X.973. X.4359. B X.4342. B RE BROLG LIGHTING EQUIPMENT. With reference to Brolt Ltd., I think we might… | ||
| Scan038 | Letter to Brolt Ltd. discussing revised specifications for starting and lighting equipment, specifically dynamos and starter motors. | ||
| View original record | X4342 B EFC2/T. 20th June, 1921. Messrs. Brolt Ltd., Oldbury, Worcs. x973 x4359B x4342B Dear Sirs, Starting & Lighting Equipment. We received your letter ref. H/H of the 10th inst. Further to our… | ||
| Scan039 | Letter from Brolt Limited regarding the review of drawings and curves for machines against a revised specification. | ||
| View original record | X.4342. B BROLt LIMITED, ROOD END ROAD, OLDBURY. June 21st. 1921. EFC2/T. H/H. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. X.4359.B X.4342 B Dear Sirs, We are much obliged by your further… | ||
| Scan040 | Letter from Brolt Limited discussing specifications for various dynamo models and enclosing blueprints. | ||
| View original record | X4342B DIRECTORS: BOULTBEE BROOKS. W. HOLT. A. E. JOHNSON. H. W. ALEXANDER. S. PERO. H. B. BROOKS. ON ADMIRALTY LIST. TELEPHONE:— OLDBURY No 226 OLDBURY. TELEGRAMS:— "STATOR, OLDBURY." BROLTO LIMITED… | ||
| Scan041 | Letter from a supplier discussing specifications for L3 and L2 type starters. | ||
| View original record | BROLST LIMITED. Continuation Sheet...1... Messrs.Rolls-Royce, Ltd., Derby. With regard to Starters. We enclose blue prints Nos.944/7 & 942/7 showing the outline dimensions of our L3 type Starter and… | ||
| Scan042 | Suitability of starter motors from various makes for the Goshawk II engine. | ||
| View original record | X 4342 B Extract from EFC1/T9.7.21. X.4342 - STARTER MOTORS OF OTHER MAKES FOR "GOSHAWK II". Rotax M.T.1 L. Motor. It was at first thought from dimensions given in the Rotax catalogue (which… | ||
| Scan043 | Suitability of dynamos and starter motors from Brolt Limited for large and small cars. | ||
| View original record | X4342B To Da. from EFC. c. to By c. to De/hr. c. to Hy/RER. EPC2/T11.7.21. X496 X4342B X4359B X.973 - RE BROLIT DYNAMOS AND STARTER MOTORS. We are sending you herewith copy of a letter (ref. H/H) of… | ||
| Scan044 | Following up on the consideration of blueprints for a Brolt dynamo and starter motor. | ||
| View original record | X4342B To Da. from EFC. c. De/Tnr. c. BY/WKR. EFC5/T19.8.21. X.4369B PROLT DYNAMO & STARTER MOTOR. X.4342B. With reference to our EFC2/T11.7.21, we shall be pleased to hear if Mr. Thacker has had time… | ||
| Scan045 | Decision to not proceed with Brolt dynamos and starters, confirming the use of existing suppliers. | ||
| View original record | X4342B To EFC. from Da. c. to Ey. Dal/G31.8.21. X.4359B. BROLT DYNAMO AND STARTER. X.4342B. Replying to your EFC5/T19.8.21 and EFC2/T11.7.21, we have taken this question up with Mr. Royce and he has… | ||
| Scan046 | Copy of a letter sent to Messrs Joseph Lucas and Rotax Motors regarding a starter motor scheme. | ||
| View original record | X. 4342 L X 4342 R. Copy of letter sent to the following firms:- Messrs Joseph Lucas - Ref: DA11/CB18-4-21. " Rotax Motors - " DA10/CB18-4-21. Dear Sirs, Following our letter of the 14th inst, would… | ||
| Scan047 | Copy of a letter from The Lucas Electrical Company Ltd. regarding a Starting Motor for a Goshawk II engine. | ||
| View original record | X4842 Copy of letter received from :- THE LUCAS ELECTRICAL COMPANY LTD., WELL STREET, BIRMINGHAM. CLB/L. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX April 20th, 1921. Messrs. Rolls-Royce… | ||
| Scan048 | Extract from a report on a visit to Lucas in Birmingham regarding dynamo and motor suitability for a small car. | ||
| View original record | X4342L E.E. 954a (100 T) (S H. 708, 10-12-20) G 2947 Extract from EFC2/T4.5.21. RE VISIT TO MESSRS. LUCAS, BIRMINGHAM. X.4359.L Dynamo & Motor for Small Car. X.4342.L Messrs. Lucas have no dynamo… | ||
| Scan049 | Dynamos and starter motors for the Goshawk II chassis, concerning the involvement of the Lucas company. | ||
| View original record | X4342 L To Wor.} from EFC. Wd. } c. to Ey. EFC2/T14.6.21. X.4342 DYNAMOS AND STARTER MOTORS OF OTHER X.4359.L MAKES FOR GOSHAWK II. We would like to correct the impression that Messrs. Lucas' have not… | ||
| Scan050 | Letter to Joseph Lucas Ltd. regarding the specifications for a starter motor for the 'Goshawk II' engine. | ||
| View original record | X. 4342 L Reference - DA/THR2/CB5-7-21. July 5th, 1921. Messrs Joseph Lucas Ltd. Well Street, Birmingham. Dear Sirs, Attention of Mr Breedon. X.4342.L. Starter Motor for "Goshawk II" Engine. As… | ||
| Scan051 | Letter to Lucas Electrical Co. regarding a starter motor for 'Goshawk II' and associated drawings. | ||
| View original record | X.4342L. Reference - DA/THR3/CBG-7-21. July 6th, 1921. Messrs The Lucas Electrical Co., Well Street, Birmingham. Attention of Mr Turner. Dear Sir, X4342L. Re Starter Motor for "Goshawk II". We… | ||
| Scan052 | Continued correspondence detailing specifications for motor components, including bearings and terminals. | ||
| View original record | DA/THR3/CBC-7-21 contd. centres of the tapping must be accurate. We would like to point out to you that the outer race of the ball bearing at the driving end is clamped therefore any lateral movement… | ||
| Scan053 | Letter from The Lucas Electrical Company Ltd. regarding the starting motor for the 'Goshawk II' engine. | ||
| View original record | COPY. X. 4342 L THE LUCAS ELECTRICAL COMPANY LTD. WELL STREET. BIRMINGHAM. Your Ref: DA/THR3/CB6-7-21. Our Ref: WCT/13. 7th July 1921. Messrs Rolls-Royce Limited, Nightingale Road, DERBY. Dear Sirs,… | ||
| Scan054 | Extract discussing the suitability of starter motors from other makes for the 'GOSHAWK II' engine. | ||
| View original record | X 4342 L Extract from EFC1/T9.7.21. X.4342 - STARTER MOTORS OF OTHER MAKES FOR "GOSHAWK II". Rotax M.T.1 L. Motor. It was at first thought from dimensions given in the Rotax catalogue (which… | ||
| Scan055 | Visit to Messrs Lucas regarding the Goshawk starter motor and switchbox. | ||
| View original record | X4342L Extract from Thr2/CB12.7.21. X.3749. REPORT OF VISIT TO MESSRS LUCAS - JULY 11th 1921 GOSHAWK STARTER MOTOR. X.4342L. This was discussed at some length. Messrs. Lucas asked us if we had… | ||
| Scan056 | Letter from The Lucas Electrical Company Ltd. regarding the design of a starter and dynamo for the Goshawk I engine. | ||
| View original record | EFC X.4342L THE LUCAS ELECTRICAL COMPANY LTD. WELL STREET, BIRMINGHAM. Your Ref: DA/THR3/CB12-7-21. Our Ref: WCT/3. 13th July 1921. Messrs Rolls-Royce Ltd. Nightingale.Road, DERBY. Dear Sirs, For the… | ||
| Scan057 | Letter from Lucas Electrical Co. Ltd. detailing design modifications for a dynamo, including bearings, oil grooves, and materials. | ||
| View original record | From the Lucas Electrical Co., Ltd. B'hm. Continuation Sheet No.1. Messrs Hoffman and have ordered some deep grooved high speed bearings for this machine. We enclose blue print of the arrangement of… | ||
| Scan058 | Special parts required for the 'Goshawk' II Lucas sample starter motor, referencing blueprints and providing production instructions. | ||
| View original record | X 43424FG A.R.H.C. C. to EFC. DFD. SFT. Ms. EXPERIMENTAL RECEIVED JUL 16 1921 BY/WER3/EF14. 7. 21. X. 4342/- "GOSHAWK" II SAMPLE STARTER MOTORS ORDERED FROM OUTSIDE FIRMS - LUCAS MODEL. Further to our… | ||
| Scan059 | Letter to The Lucas Electrical Co. regarding drawings and modifications for a Goshawk II starter motor. | ||
| View original record | X. 4342L. EFC. Ref: DA/THR2/CB15-7-21. [STAMP: RECEIVED JUL 16 1921 P.O.] July 15th. 1921. Messrs The Lucas Electrical Co., Ltd. Wall Street, Birmingham. Dear Sirs, Starter Motor for "Goshawk II".… | ||
| Scan060 | Communication confirming a decision regarding the Starter Motor. | ||
| View original record | (S.H. 986, 10-2-21) G. 200S DA/THR2/CB15-7-21. settled on the Starter Motor. Yours faithfully, FOR ROLLS ROYCE LTD. | ||
| Scan061 | Order for a dynamo and starter motor for the 'Goshawk II' from Lucas Co., and the decision not to order from Rotax. | ||
| View original record | X4342L WD. from DA/T. DA/T1/G15.8.21. X.4342L. RE DYNAMO AND STARTER MOTOR FOR "GOSHAWK II". X.4359L. X.4342R. In reply to your memo WD5/NJ10.8.21, we should be glad if you would kindly place an order… | ||
| Scan062 | Extract regarding electrical equipment for the 40/50 HP chassis and 'Goshawk II'. | ||
| View original record | X4342L Extract from Wd8/NJ6.9.21. X.4165 - ELECTRICAL EQUIPMENT FOR 40/50 H.P. CHASSIS AND "GOSHAWK II" X.4359M. X,4342L. "GOSHAWK II". Lucas' hope to despatch to us the dynamo and starting motor for… | ||
| Scan063 | Letter to Lucas Electrical Co. Ltd. regarding the modification of a dynamo and motor for the Goshawk project to suit an earthed electrical system. | ||
| View original record | X.4342L EFC1/T. 8th Sept., 1921. The Lucas Electrical Co. Ltd., Well Street, Birmingham. X 4359L X 4342L Dear Sirs: Re Dynamo & Motor for "Goshawk". With reference to the small dynamo and motor which… | ||
| Scan064 | Letter from The Lucas Electrical Company regarding modifications to a Dynamo and Motor for the Goshawk project. | ||
| View original record | X4342L TRADE MARK. PROPRIETORS: JOSEPH LUCAS LTD THE LUCAS ELECTRICAL COMPANY LTD (INCORPORATING THOMSON-BENNETT MAGNETOS LTD) SALES COMPANY FOR ALL THE ELECTRICAL MANUFACTURES OF JOSEPH LUCAS LTD… | ||
| Scan065 | The supply of electrical equipment for the 'Goshawk II' from Lucas Electrical Co., covering pricing and supply issues. | ||
| View original record | X4342L. By/C. from Wd. c. to "D" Dept. c. to EFC. c. to Ms. Wd6/NJ/17.11.21. X.4338. X.4342L. "GOSHAWK II" - ELECTRICAL EQUIPMENT. X.4414. Referring to By/C8/P10.11.21, we are in receipt of a latter… | ||
| Scan066 | Confirmation from Lucas Electrical Co. Ltd. that blueprints for the Goshawk 11 starter motor components are in order. | ||
| View original record | By/C. from Wd c.to "D" Dept. c.to EFC. c.to Wms. X.4342L Wd1/NJ30.11.21. "Goshawk 11" - Electrical Equipment. In reply to yours By/WER3/EF18.11.21, subject "Lucas Starter Motor A.880 Model", we are… | ||
| Scan067 | The Lucas Starter Motor Type 4880. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Order No P.B. 31 Customer's No. X 4342 L Report on Lucas Starter Motor Type 4880 This motor is a rather neat… | ||
| Scan068 | Instruction sheet detailing the construction of an armature and its associated components. | ||
| View original record | RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B. 31 Customer's No. X4342L side of the end plate. C.M.S. Morganite brushes are used, each brush… | ||
| Scan069 | Specifications and details for Lucas Motor A880. | ||
| View original record | RR. 238. (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B.32 Customer's No. X 4342 L Dec. 15th 1921 Details of Lucas Motor A880 Carcase diameter.… | ||
| Scan070 | Instruction sheet with calculations for Goshawk engine motor performance and specifications. | ||
| View original record | RR.238.(300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B.32. Customer's No. X4342 L Dec 15th 1921 Ratio of field resist. to arm. .898 Length arm.… | ||
| Scan071 | Instructions detailing performance metrics at two-thirds of the engine's torque. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No PB 32. Customer's No. X 4342 L At two thirds of this torque, namely 44 lb-inches these quantities… | ||
| Scan072 | Brake test report for a Lucas A880 starter motor. | ||
| View original record | MOTOR FORM 5. X. 4342L. X.300-9 - BRAKE TEST OF STARTER MOTOR. Date:- 9/12.21 Motor under test:- Lucas. A880 Dia. of brake wheel - 10" No:- Weight of pan and portion of rope 5 lbs. 1 ozs. Reduction… | ||
| Scan073 | Brake test results for a Lucas H880 starter motor. | ||
| View original record | MOTOR FORM 5. X.300-9 - BRAKE TEST OF STARTER MOTOR. Date:- 9.12.21. Motor under test:- Lucas H880 No. of brake wheel - 10" No:- Weight of pan and portion of rope 5 lbs. 1 ozs. Reduction gear ratio -… | ||
| Scan074 | Construction, materials, and dimensions of the Lucas motor for the Goshawk II. | ||
| View original record | To R & E. from EFC. c. CJ & PN. c. Da. & Rg. c. By. & EP. X4342L EFC1/T3.1.22. X.4342L - LUCAS MOTOR FOR "GOSHAWK II". This motor has a particularly neat appearance, the carcase being of nickel plate… | ||
| Scan075 | Test report and analysis of a Lucas motor's performance specifications and brake test results with a Goshawk engine. | ||
| View original record | Contd. -2- EFCl/T3.1.22. Air gap .015" = .38 mm. No. of wound poles 4 Arrgt.of field coils. All in series. Resistance of field circuit. .0088 ohm. at 18°C No. of armature slots 29 No. of commutator… | ||
| Scan076 | Comparison of motor performance characteristics, including torque and efficiency, for the Goshawk engine. | ||
| View original record | Contd. -3- EFC1/T3.1.22. say, 10 or 11, the motor would be working at a higher power and higher efficiency and would appear to be better adapted for the work with this other ratio. It is possible,… | ||
| Scan077 | Comparison of Lucas and C.A.V. motors, discussing engine torque, battery performance, and the need for further testing. | ||
| View original record | Contd. -4- EFC1/T3.1.22 Lucas motor appears to behave better than the C.A.V. Apparently we must account for this by (1) the torque required to turn the engine being a good deal lower than estimated… | ||
| Scan078 | Performance graph showing the brake efficiency curves for a Lucas starter motor. | ||
| View original record | STARTER MOTOR BRAKE EFFICIENCY X4342L LUCAS STARTER MOTOR AMPERES. EFFICIENCY VOLTAGE SPEED R.P.M. HORSE POWER TORQUE (POUND INCHES) Graph curves: B.H.P, VOLTS, EFFICIENCY, SPEED, TORQUE Y-Axis… | ||
| Scan079 | Performance graph showing the brake efficiency, power, speed, voltage, and current curves for a starter motor. | ||
| View original record | STARTER MOTOR BRAKE EFFICIENCY X4342L LUCAS STARTER MOTOR APPROX WORKING POINT ON GOSHAWK CHASSIS AXIS LABELS: ELECTRICAL H.P EFFICIENCY VOLTAGE AMPERES B.H.P. R.P.M. TORQUE ( POUND INCHES ) CURVE… | ||
| Scan080 | Notice confirming that three A.880 Lucas starters are now located in No. 2 Stores. | ||
| View original record | X4342L X.4342L. 25.4.22. EFC. 28095 3 Starters A.880 (Lucas) are now in No.2 Stores. (Freeman). H.Hough. | ||
| Scan081 | Lucas starter motor sent for examination to Mr. Elliott and Sir Henry Royce. | ||
| View original record | X4342 Roy/Ms. from Hs/Wst. c. G/Gn. Hs/Wst.2/AD24.10.31. LUCAS STARTER MOTOR. With reference to C/Gn/CA.7/MM23.10.31 this starter motor was obtained for the purpose of sending to W.W. for examination… | ||
| Scan082 | Returning a Lucas starter motor to the makers for credit. | ||
| View original record | X4342 Roy. from Hs/Wst. c. D/BP. c. Despatch Stores. Hs/Wst.8/AD7.11.31. LUCAS STARTER MOTOR+ With further reference to our Hs/Wst.2/AD24.10.31 regarding this starter which was obtained for the… | ||
| Scan083 | Letter sent to suppliers Joseph Lucas and Rotax Motors regarding a suitable starter motor for 'N' Scheme 839. | ||
| View original record | 43 X.3242R. Copy of letter sent to the following firms:- Messrs. Joseph Lucas - reft Dal1/CB18.4.21. " Rotax Motors - " Dal0/CB18.4.21. Dear Sirs, Following our letter of the 14th inst. would you… | ||
| Scan084 | Letter from Rotax Motor Accessories Co. Ltd. discussing the suitability of a starter motor for an engine. | ||
| View original record | XL4342 R THE ROTAX MOTOR ACCESSORIES CO. LTD., ROTAX WORKS, WILLENDEN JUNCTION, LONDON, N.W.10. AGB/BH Da10/CB19-4-21. April 20th 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. X4342 R Dear… | ||
| Scan085 | Visit to Rotax Company regarding a Goshawk II starter motor and a bulky cutout, with a preference for a Smith component. | ||
| View original record | R.R. Aero Form No. 708. 10-12-39. G. 3947 X 4342 R. Extract from EFC2/T5.5.21. RE VISIT TO ROTAX COMPANY. X.4342 R. Starter Motor - Goshawk II. An enquiry has also been placed with the Rotax Company… | ||
| Scan086 | Letter to Rotax Motor Accessories Co. regarding the supply of parts for a Goshawk II starter motor. | ||
| View original record | X.4342 .R COPY FOR EFE Reference - DA/THH1-10-21. May 10th, 1921. Messrs Rotax Motor Accessories Co.,Ltd. Rotax Works, Willesden Junction. N.W.10. X 4342 R Dear Sirs, Re Starter Motor for Goshawk II.… | ||
| Scan087 | Specifications and arrangements for an experimental starter motor and its components. | ||
| View original record | R.R. (Ltd) Tels H. 988. 19-2-21) G. 2008 DA/THR1/CB10-5-21. contd. We should like to point out also, that the outer race of the ball bearing for the driving end is clamped, and therefore any lateral… | ||
| Scan088 | Letter to Rotax Motor Accessories Ltd. requesting drawings for a driving end bracket and magnet case. | ||
| View original record | W.R. 800 (split) (100) 10-2-17) M'Film X 4342 R. COPY FOR EFC Reference - DA/THR4/CB10-5-21. May 10th, 1921. Messrs Rotax Motor Accessories Ltd. Rotax Works, Willesden Junction. N.W.10. X 4342 R Dear… | ||
| Scan089 | Issues fitting a Rotax starter motor to the Goshawk II engine due to a new crankcase breather. | ||
| View original record | To D/Thr. C to EFC. RECEIVED X. 4342.R. BY/WER5/EF19. 5. 21. "GOSHAWK" II. - STARTER MOTORS. Re. Ordering of C.A.V, Smith and Rotax Motors. Further to our memo BY/WER1/EF9. 5. 21., we find that a… | ||
| Scan090 | Letter from Rotax Motor Accessories Co. Ltd. regarding drawings for a Goshawk II starter. | ||
| View original record | X 4342 R. THE ROTAX MOTOR ACCESSORIES CO. LTD. ROTAX WORKS. WILLESDEAN JUNCTION. N.W.10. Our ref: - AGB/BH. your ref:- DA/THR1/CB10-5-21. may 20th, 1921. Messrs Rolls-Royce Ltd. Nightingale Road,… | ||
| Scan091 | Letter to Rotax Motor Accessories Co., Ltd. requesting the shortening of the M.T.1.L. starter motor for the Goshawk II engine. | ||
| View original record | X.4342 R. [STAMP: RECEIVED 29 MAY 1921, EFC] Reference - DA/THR1/CB26-5-21. May 26th, 1921. Messrs Rotax Motor Accessories Co., Ltd. Rotax Works. Willesden Junction. London. N.W.10. Dear Sirs, X.4342… | ||
| Scan092 | Letter from Rotax Motor Accessories Ltd. regarding the dimensions of a Starter Motor for Goshawk II. | ||
| View original record | EFC. X. 4342 R. COPY. THE ROTAX MOTOR ACCESSORIES LTD. ROTAX WORKS. WILLESDEN JUNCTION. LONDON. N.W. 10. Our Reference. AGB/MP. Your Reference. DA/THR1/CB26-5-21. 31st May 1921. Messrs Rolls-Royce… | ||
| Scan093 | Selection of a suitable starter motor for the Goshawk II engine. | ||
| View original record | X.4342.R To E. from EFC. EFC1/T28.6.21. X.4342-R ROTAX MT1L STARTER MOTOR FOR "GOSHAWK II". We shall be glad to know if you have been able to obtain a decision from Mr. Royce as to whether we shall,… | ||
| Scan094 | Suitability of starter motors from various manufacturers for the 'Goshawk II' engine. | ||
| View original record | X.4342 R Extract from EFC1/T9.7.21. X.4342 - STARTER MOTORS OF OTHER MAKES FOR "GOSHAWK II" Rotax M.T.1 L. Motor. It was at first thought from dimensions given in the Rotax catalogue (which afterwards… | ||
| Scan095 | Requesting a copy of a previous memo regarding the Rotax MT1L Starter Motor for 'Goshawk II'. | ||
| View original record | X. 4342 R. To EFC. from E. E1/G14/7/21. RE ROTAX MT1L STARTER MOTOR FOR "GOSHAWK II". With reference to your memo EFC1/T28/6/21 asking for a reply to EFC4/T7/6/21 regarding the above, we do not appear… | ||
| Scan096 | Forwarding a report on the Rotax MT1L starter motor for the Goshawk II engine. | ||
| View original record | R.R. 238A (100 T) (S.H. 708. 10-12-20) C. 1947 X. 4342 R To E. from EFC. EFC1/T15.7.21. X.4342 - RE ROTAX MT1L STARTER MOTOR FOR GOSHAWK II. Herewith please receive copy of our report EFC4/T7.6.21 in… | ||
| Scan097 | Ordering a dynamo and starter motor for the 'GOSHAWK II' from the Lucas Co. | ||
| View original record | WD. from DA/T. DA/T1/G15.8.21. X4342R X.4342L. RE DYNAMO AND STARTER MOTOR FOR "GOSHAWK II". X.4359L. X.4342R. In reply to your memo WD5/NJ10.8.21, we should be glad if you would kindly place an order… | ||
| Scan098 | The Dynamo & Starter Motor for the 'Goshawk II'. | ||
| View original record | X4342R To EFC. from E.C. E1/G24.8.21. X.4342. X.4359. RE DYNAMO & STARTER MOTOR FOR "GOSHAWK II" X.4342R In reply to your memo EFC1/T15.7.21, and with reference to your EFC6/T19.8.21, giving present… | ||
| Scan099 | Letter from Rotax advising on the modifications required for a 'Goshawk' dynamo to make it suitable for an earthed system. | ||
| View original record | TELEPHONE: WILLESDEN 2480. TELEGRAMS: RODYNALITE, PHONE, LONDON. OUR REF. AGB/MP. YOUR REF. EFG4/T. X4342R Rotax (ACCESSORIES) LTD. ELECTRICAL ENGINEERS. HEAD OFFICE: ROTAX WORKS, WILLESDEN JUNCTION,… | ||
| Scan100 | Letter to suppliers S. Smith & Sons and C.A. Vandervell regarding the suitability of their starter motors for 'N' Scheme 838. | ||
| View original record | X. 4342 S X 4342 V Copy of letter sent to the following firms:- Messrs S.Smith & Sons - Ref: DA9/CB18-4-21. Messrs C.A.Vandervell - " DA8/CB18-4-21. Dear Sirs, Following our letter of the 14th inst.,… | ||
| Scan101 | Enquiries with Messrs. Smith & Sons for dynamos and starter motors for the Goshawk II and 40/50 chassis. | ||
| View original record | X4342 S Extract from --- EFC1/T5.5.21. RE VISIT TO MESSRS. SMITH & SONS. X.4359.S X.4342.S Dynamo & Motor for Small Car. An enquiry has been placed with Messrs. Smith for a dynamo for the small car.… | ||
| Scan102 | Letter to S. Smith & Sons regarding the supply of a starter motor for the Goshawk II engine. | ||
| View original record | S.S. to Tech H. 986. 10-5-21; G. 3093 X. 4342 S. COPY FOR EFC Reference - DA/THRL/CB9-5-21. May 9th, 1921. Messrs S. Smith & Sons (M.A) Ltd. Central Works, EDGWARE ROAD, CRICKLEWOOD, N.W.2. Dear Sirs,… | ||
| Scan103 | Letter detailing design requirements, specifications, and assembly instructions for an experimental starter motor. | ||
| View original record | DA/THH/CBG-5-21. contd. we desire to have a shoulder on the shaft against which our distance bush butts. This shoulder can, within reason, be made to suit yourselves, but we require shaft drawing to… | ||
| Scan104 | Letter to Messrs Smith & Sons (M.A.) Ltd. requesting a drawing of their standard driving end bracket for magnet case dimensions. | ||
| View original record | W.R. 199 (Bpr 1) (STD)2/6 19-7-17) MP18686 X 4342 S COPY FOR EFC Reference - DA/THR3/CB10-5-21. May 10th, 1921. Messrs Smith & Sons (M.A.) Ltd. Central Works, Edgware Road, Cricklewood, N.W.2. X.4342S… | ||
| Scan105 | Letter to S. Smith & Sons Ltd concerning the choice of a starter motor for the Goshawk II engine. | ||
| View original record | X.4342S COPY FOR EFC RECEIVED Reference - DA/THR2/CB18-5-21. May 13th, 1921. Messrs S. Smith & Sons (M.A) Ltd. Central Works, EDGWARE ROAD, CRICKLEWOOD, N.W.2. Dear Sirs, X.4342S Starter Motor for… | ||
| Scan106 | Letter from S. Smith & Sons regarding the Model SS Starter Motor for the Goshawk II engine, enclosing a blueprint and discussing a cable clamp. | ||
| View original record | EFC X.4342 S S. Smith & Sons (M.A.) Ltd. Central Works. Edgware Road, CRICKLEWOOD. N.W.2. Your ref: DA/THR2/CB18-5-21. Our Ref: 101/HHS. 20th May 1921. Messrs Rolls-Royce Ltd. Nightingale Road, DERBY.… | ||
| Scan107 | Suitability and potential modification of a Smith Type 5S motor for the Goshawk II. | ||
| View original record | X 4342-5 To R. & E. from EFC. c. CJ. c. Da. c. Da/Thr. c. Ry c. Ry/WER. EFC7/T2.6.21. 43 X. 2242 S - SMITH TYPE 5S MOTOR FOR GOSHAWK II. Owing to this motor being rather small electric-ally for the… | ||
| Scan108 | Letter to S. Smith & Sons Ltd. requesting drawings and dimensions for the Goshawk II starter motor. | ||
| View original record | R.R. 235A (100 T) (S.H. 703. 10-12-20) G. 1547 EFC. X 43425 Reference - DA/THR3/CB3-6-21. June 3rd, 1921. Messrs S. Smith & Sons Ltd. Central Works. Edgware Road, CRICKLEWOOD. N.W.2. Dear Sirs,… | ||
| Scan109 | Acknowledgement letter from S. Smith & Sons regarding a starter motor for the 'Goshawk II'. | ||
| View original record | X. 4342.S. S. SMITH & SONS (M.A.) LTD. CENTRAL WORKS. EDGWARE ROAD, CRICKLEWOOD. N.W.2. 6th June 1921. Our ref: LLL. Your ref: DA/THR3/CB3-6-21. Messrs Rolls-Royce Ltd. Nightingale Road, Derby. Dear… | ||
| Scan110 | Letter from S. Smith & Sons regarding the supply of a dynamo and starter for the Goshawk II Engine. | ||
| View original record | COPY. X.4342 S S. SMITH & SONS (M.A.) LTD. CENTRAL WORKS. EDGWARE ROAD, CRICKLEWOOD. N.W.2. 7th June 1921. Your Ref: DA/THR3/CB3-6-21. Our Ref: ACL/MM. Messrs Rolls-Royce Ltd. Nightingale Road, Derby.… | ||
| Scan111 | Letter from S. Smith & Sons concerning blueprints and dimensions for a Model 5S Starter. | ||
| View original record | COPY. X.4342-S S. SMITH & SONS (M.A.) LTD. CENTRAL WORKS. EDGWARE ROAD, CRICKLEWOOD. N.W.2. 10th June 1921. Our Ref: ACL/MH. Messrs Rolls-Royce Ltd. Nightingale Road, Derby. Dear Sirs, X. 4342. S. for… | ||
| Scan112 | Requesting a test of the Smith Type 5S motor for the 'Goshawk II'. | ||
| View original record | To EFC. from R. Copy to CJ. " " HS. " " BY. " " DA. X4342 S ORIGINAL R7/G13/6/21. X.4342 S SMITH TYPE 5S MOTOR FOR "GOSHAWK II". In reply to your memo EFC7/T2/6/21, will you please test the above… | ||
| Scan113 | Mr. Royce's reply to an enquiry about the Smith Type 5S motor for the 'Goshawk II'. | ||
| View original record | X4342 S S.S. Bks. (100) T: S.H. 798, 10-12-30; G. 2418 To Da. from EFC. c. Da/Thr. c. Ry c. Ry/WER. EFC5/T16.6.21. X.4342 - SMITH TYPE 5S MOTOR FOR "GOSHAWK II". Kindly note Mr. Royce's reply as below… | ||
| Scan114 | Modifications and blueprints for the 'Goshawk' II Starter Motor, Smiths Modified 5.S. Model. | ||
| View original record | To De/EFC. (Struck through) C. to EFC. X.43425 BY/WERI/EF1. 7. 21. X. 4342S "GOSHAWK" II - STARTER MOTOR. SMITHS MODIFIED 5.S.MODEL. With reference to the above and further to our memo BY/WERI/EF9. 5.… | ||
| Scan115 | Letter to S. Smith & Sons Ltd. regarding drawings for a 'Goshawk II' Engine starter motor. | ||
| View original record | X. 43425 Reference - DA/MRR3/CB1-7-21. July 1st, 1921. Messrs S. Smith & Sons Ltd. Central Works, Edgware Road, Cricklewood, N.W.2. Dear Sirs, X 43425 Starter Motor for "Goshawk II" Engine.… | ||
| Scan116 | Letter from supplier S. Smith & Sons Ltd. regarding blueprints for a Model BS Starter for the 'Goshawk II' Engine. | ||
| View original record | X.4342 S. COPY. S. Smith & Sons Ltd. Central Works. EDGWARE ROAD. CRICKLEWOOD. N.W.2. Our ref: ACL/MM. Your ref: DA/THR3/CB1-7-21. 8th July 1921. Messrs Rolls-Royce Ltd. Nightingale Road, DERBY. Dear… | ||
| Scan117 | Alternative C.A.V. and Smith starter motors for the 'Goshawk II' engine. | ||
| View original record | X.4342 S Extract from EFC1/T9.7.21. X.4342- STARTER MOTORS OF OTHER MAKES FOR "GOSHAWK II" We are sending you herewith, in accordance with your request, prints showing a starter motor outline for the… | ||
| Scan118 | Letter to S. Smith & Sons concerning the starter motor for the 'Goshawk II' engine. | ||
| View original record | X. 43425. DA/THR1/CB11-7-21. 11th July 1921. Messrs S.Smith & Sons (M.A) Ltd. Central Works. Edgware Road, CRICKLEWOOD. N.W.2. Dear Sirs, Starter Motor for "Goshawk II" Engine. With further reference… | ||
| Scan119 | Copy of a letter from S. Smith & Sons Ltd. regarding the starter motor for the 'Goshawk II' Engine. | ||
| View original record | R R 255. (66 T); S.H. 286, 10-2-21) G. 3668 X. 4342, S. Copy of letter from :- EFC. S. Smith & Sons (M.A.) Ltd. Central Works. EDGWARE ROAD, CRICKLEWOOD. N.W.2. Your ref: DA/THR1/CB11-7-21. Our ref:… | ||
| Scan120 | Letter from S. Smith & Sons Ltd. concerning delays in the supply of a Model 4D dynamo and a Model 3S starter. | ||
| View original record | X.4342S. COPY OF LETTER FROM :- S. SMITH & SONS (M.A.) LTD. CENTRAL WORKS, EDGEWARE ROAD, CRICKLEWOOD, LONDON. N.W.2. Our ref. CL/JB? August, 25th, 1921. Messrs. Rolls-Royce Ltd., Nightingale Road,… | ||
| Scan121 | Letter to S. Smith & Sons Ltd. regarding modifications to a Dynamo & Motor for the 'Goshawk' project. | ||
| View original record | X. 4342 S. EFC3/T. 8th Sept., 1921. Messrs. S. Smith & Sons Ltd., Edgeware Road, Cricklewood, London, N.W.2. X 4359 S. Dear Sirs: X 4342 S. Re Dynamo & Motor for "Goshawk". With reference to the small… | ||
| Scan122 | Letter from S. Smith & Sons regarding a dynamo and starter for the Goshawk Engine, discussing modifications for an earthed system and doubts about the starter's power. | ||
| View original record | X43425 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR BOARD Telephone: WILLESDEN 2335-6-7. Code A.B.C. 5TH Edition. Telegrams: SPEEDOFAC, CRICKLE, LONDON. S. SMITH & SONS (M·A) LTD MANUFACTURERS OF MOTOR… | ||
| Scan123 | Copy of a letter from S. Smith & Sons Ltd. regarding the despatch of a dynamo and starter for a Goshawk engine. | ||
| View original record | X 4342S. COPY OF LETTER RECEIVED FROM:- S. SMITH & SONS LTD., CENTRAL WORKS, EDGWARE ROAD? CRICKLEWOOD, N.W.2. Our ref. ACL/MM. 19th September, 1921. Messrs. Rolls Royce Ltd., Nightingale Road, DERBY.… | ||
| Scan124 | Preliminary report on the Smith S. Motor, Type 5.S. | ||
| View original record | RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. X. 4342.S. To. E.F.C. Order No P.B.22 Customer's No. X4342 Oct. 14th 1921 Preliminary Report on Smith S. Motor. Type… | ||
| Scan125 | Instruction sheet with inspection notes for an armature, including details on its brushes, bearings, and overall condition. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B.22. Customer's No. X 4342. CA. 14th 1921 Back brush is fitted with two insulated pigtails.… | ||
| Scan126 | Analysis of the Smith Motor for the 'Goshawk II' engine, detailing its dimensions, weight, and design flaws. | ||
| View original record | X. 43428. To R & E. from EFC. c. to CJ & PN. c. to Ey & EP. c. to Rg. & Da. c. to R.R. of America Inc. EFC1/T17.10.21. X.43428 - SMITH MOTOR FOR "GOSHAWK II". We have now received all the various… | ||
| Scan127 | The particulars and brake test results of a motor, deemed unsuitable for the Goshawk engine. | ||
| View original record | Contd. -2- EFCl/T17.10.21. well finished. One each end of each pole core is a brass plate with projections which are bent over to secure the field coils in position. The main terminal connections and… | ||
| Scan128 | Analysis of motor torque and speed performance under test conditions. | ||
| View original record | Contd. -3- EFC1/T17.10.21. Two-thirds of this torque, 44 lb-inches, might be all that would be required when the engine was warm. The motor speed/we find would be 670, engine speed 80 r.p.m. From the… | ||
| Scan129 | Brake test report for a Smith starter motor. | ||
| View original record | X. 43425 MOTOR FORM 5. X.3009 - BRAKE TEST OF STARTER MOTOR. Date:- 10-10-21 Motor under test:- Smith. Dia. of brake wheel = 10" No.:- Type S.S. Reduction gear ratio = - Weight of pan and portion of… | ||
| Scan130 | Performance graph for a Smith Motor Type S.S. | ||
| View original record | X43225 S.A.S. SMITH MOTOR TYPE S.S. AMPERES 60 80 100 120 140 160 180 VOLTS 0 2 4 6 8 10 12 14 16 SPEED (R.P.M) 0 300 600 900 1200 1500 1800 2100 2400 HORSE POWER 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 TORQUE… | ||
| Scan131 | Performance graph showing the efficiency curve of a starter motor. | ||
| View original record | STARTER MOTOR. CURVE OF EFFICIENCY Y-Axis Labels: EFFICIENCY % VOLTAGE AMPERES B.H.P. R.P.M. Y-Axis Scales: EFFICIENCY %: 0, .4, .8, 1.2, 1.6, 2.0, 2.4, 2.8, 3.2, 3.6, 4.0 VOLTAGE: 0, 1, 2, 3, 4, 5,… | ||
| Scan132 | Acquisition and testing of C.A.V. starter motors for the 40/50 Chassis and Goshawk II. | ||
| View original record | X4342 V Wd. from By. c. Hs. c. EFC. BY3-P23.3.21. X.4341 X.4342. V STARTER MOTOR. X.543. Hs. informed me that during his visit last week end to Mr. Royce, the latter suggested that we should obtain… | ||
| Scan133 | Letter from C.A. Vandervell & Co. Ltd. proposing suitable starter motors for different chassis and offering samples for testing. | ||
| View original record | X4341 V Copy of letter received from :- C.A. VANDERVELL & CO. LTD., ACTON, LONDON, W.3. 31st. March, 1921. AG/MB. Messrs. Rolls-Royce Limited, Nightingale Road, DERBY. Dear Sirs, Re Starter Motors.… | ||
| Scan134 | The suitability of starter motors from C.A. Vandervell & Co. for two models, with a request for an opinion. | ||
| View original record | By. from Wd. c. to He. c. to E.G. Hs 1921 RECEIVED X.434+ X 4342 V Wd4/NJ2.4.21. Starter Motor - Yours By3/F23.3.21. Herewith I send you a letter from C.A.Vandervell & Co. dated 31st ult. together… | ||
| Scan135 | Letter from C.A. Vandervell & Co Ltd regarding sample starter motors and pricing. | ||
| View original record | H.R. 85a (100 T) (S.H. 798, 10-10-20) G. 2948 By from Wd. c.to Hs. c.to EFG. Hs X4342 V RECEIVED APR 11 1921 Wd3/NJ11.4.21. Starter Motor - C.A.Vandervell & Co Ltd. Further to mine Wd4/NJ2.4.21, we… | ||
| Scan136 | Letter from C.A. Vandervell & Co. Ltd. regarding specifications and pricing for SB and SC starter motors. | ||
| View original record | X.4342 ✔ COPY OF LETTER RECEIVED FROM :- C.A. VANDERVELL & CO. LTD., ACTON, LONDON, W.3. 14th April, 1921. AG/MB. Messrs. Rolls-Royce Limited, Nightingale Road, DERBY. Reference Wd14/NJ12421. Dear… | ||
| Scan137 | Letter sent to Messrs. S. Smith & Sons and C.A. Vandervell regarding a suitable starter motor for 'N' Scheme 838. | ||
| View original record | X.4342V. Copy of letter sent to the following firms :- Messrs. S. Smith & Sons - Ref. Dg9/CB18.4.21. Messrs. C.A.Vandervell - " Da8/CB18.4.21. Dear Sirs, Following our letter of the 14th inst., we… | ||
| Scan138 | Starter motors from supplier C.A. Vandervell & Co. Ltd., including rotation direction and a quotation. | ||
| View original record | X.4342.✓ EFC. from Wd. Wd8/NJ19.4.21. X.4341. X.4342.✓ STARTER MOTORS. Mine Wd9/NJ15.4.21. Referring to the sample "S B" Motor, without pinion, which Messrs. C.A. Vandervell & Co. Ltd. are sending us,… | ||
| Scan139 | Letter from C.A. Vandervell & Co. Ltd. regarding the adaptation of a type SC starting motor. | ||
| View original record | X4342 C.A.VANDERVELL & CO. LTD., ACTON, LONDON, W.3. 20th April 1921. EL/DM. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, X.4342 In reply to your letter of the 18th inst., with which… | ||
| Scan140 | Visit to supplier C. A. Vandervell regarding batteries, dynamos, and motors. | ||
| View original record | R.R.H.953A (100 T) (S H. 793. 10-12-20) G. 1947 X.4342 To R. & E. from EFC. c. CJ c. WOr. c. EP. c. Da. c. By. c. Wd. EFC3/T6.5.21. X.4283. X.4359./ RE VISIT TO C.A.VANDERVELL, ACTON VALE. X.4342./… | ||
| Scan141 | Suitability and testing of various electrical components, including motors, dynamos, and batteries for a small car. | ||
| View original record | Contd -2- EFC3/T6.5.21. the fixing of these. It is thought that their type SC motor would be suitable, this having a carcase diameter of 4¼". Quoted quantity price for the SC motor with plain spindle… | ||
| Scan142 | Standardization of battery terminals, comparing C.A.V. types with others. | ||
| View original record | R.R. 293A (100 T) (S H. 768. 10-12-20) G. 2947 3 Contd. EFC3/T6.5.21. We are sending a sample vent plug for Mr. Royce's examination, The question of the terminals was also raised, and C A.V. were… | ||
| Scan143 | Comparison of C.A.V. Willard batteries for the U.S.A. market, detailing specifications and cell arrangement. | ||
| View original record | S.S. 85a (100 T) (S.H. 798. 10-12-20) G. 1047 Contd. -4- EFC3/T6.5.21. X.3654. C.A.V. Willard battery for U.S.A. The C.A.V. Company informed me that the Willard Co. in U.S.A. are supplying the… | ||
| Scan144 | Letter to C.A. Vandervell & Co. regarding the supply of parts and drawings for a Goshawk II starter motor. | ||
| View original record | X.4342,V COPY FOR EFC RECEIVED STAMP: Hs. MAY 11 Reference - DA/THR2/DB10-5-21. May 10th, 1921. Messrs C.A. Vandervell & Co., Ltd. Acton. LONDON.W.3. Dear Sirs, X 4342 V Re Starter Motor for Goshawk… | ||
| Scan145 | Letter detailing specifications for a starter motor, including shaft dimensions, bearings, terminals, and rotation. | ||
| View original record | R R. 199 (250T) (SD676 19-7-17) MP18086s DA/THR2/CB10-5-21. contd. We shall require a drawing giving full particulars of the motor end of the shaft, and it will be noted that we desire to have a… | ||
| Scan146 | Letter from C.A. Vandervell & Co. Ltd. regarding a 5' starter motor and its attached efficiency curve. | ||
| View original record | X 4342 V 17th May, 1. AG/MFEB. The Rolls Royce Co. Ltd., Derby. X.4341. X 4342 V Dear Sirs, With regard to the question of the 5" starter ordered by you some little time ago, we have pleasurein… | ||
| Scan147 | Letter to Messrs C.A. Vandervell & Co. Ltd, requesting drawings for a driving end bracket and magnet case. | ||
| View original record | R.R. 199 (440T) (SD676 19-7-17) MP18484 X.4342 Copy for EFC. Reference - DA/THR5/CB10-5-21. May 10th, 1921. Messrs C.A. Vandervell & Co., Ltd. Acton. LONDON.W.3. Dear Sirs, X 4342 V. Referring to your… | ||
| Scan148 | Letter to C.A. Vandervell & Co. regarding the starter motor for the 'Goshawk II', discussing stud sizes, bearings, and a clerical error with a drawing. | ||
| View original record | X. 4342 V COPY FOR EFE [STAMP: RECEIVED 19 MAY 1921] Reference - DA/THRL/CB18-5-21. May 18th, 1921. Messrs C.A. Vandervell & Co., Warple Way, Acton Vale, LONDON.W. Dear Sirs, X 4342V Re Starter Motor… | ||
| Scan149 | Letter from C.A. Vandervell & Co., Ltd. regarding drawings for a Dynamo & Motor for a Goshawk II Engine. | ||
| View original record | COPY. X.4342V C.A. VANDERVELL & CO., LTD. ACTON. LONDON. W.3. Ref: EL/DM. 9th June. Messrs Rolls-Royce Ltd. Nightingale Road, Derby. X.4342 V. Dynamo & Motor for Goshawk II Engine. Dear Sirs, In reply… | ||
| Scan150 | Letter to C.A. Vandervell & Co. regarding drawings and modifications for a 'Goshawk II' engine starter motor. | ||
| View original record | X 4342 V Reference - DA/THR1/CB1-7-21. July 1st, 1921. Messrs C.A. Vandervell & Co., Ltd. Acton Vale, London.W.3. Dear Sirs, X 4342 V Starter Motor for "Goshawk II" Engine.… | ||
| Scan151 | Letter requesting prompt approval of drawings to proceed with the production of motor parts. | ||
| View original record | 2. Also, please let us know as soon as possible, whether you agree with the above drawings, as we are waiting to issue same to our works, in order to have the parts ready for dispatch to you, in order… | ||
| Scan152 | Letter from C.A. Vandervell & Co. Ltd. concerning the starter motor for the Goshawk II. | ||
| View original record | Copy. X.4342 V C.A. Vandervell & Co.Ltd. Manufacturing Electrical Engineers Acton London N.W.3. July 4th, 1921. Messrs Rolls-Royce Ltd. Nightingale Road. DERBY. The Starter Motor for Goshawk II.… | ||
| Scan153 | Letter from C.A. Vandervell & Co. regarding a Starter Motor for the 'Goshawk II' Engine, enclosing blueprints and part details. | ||
| View original record | X. 4342.V. C.A. Vandervell & Co., Ltd. WARPLE WAY, ACTON VALE, W. 5th July 1921. Ref: EL/DM. Messrs Rolls-Royce Ltd. Nightingale Road, DERBY. X.4342V. Starter Motor for "Goshawk II" Engine. Dear Sirs,… | ||
| Scan154 | Letter to C.A. Vandervell & Co. regarding design changes for the 'Goshawk II' starter motor. | ||
| View original record | X.4342.V.. Reference DA/THR3/CB7-7-21. July 7th, 1921. Messrs C.A.Vandervell & Co., Ltd. Warple Way, Acton Vale, London.W.3. Dear Sirs, Starter Motor for "Goshawk II". ----------------------------… | ||
| Scan155 | Alternative C.A.V. and Smith starter motors for the Goshawk II engine. | ||
| View original record | X.4342 V Extract from EFC1/T9.7.21. X.4342- STARTER MOTORS OF OTHER MAKES FOR "GOSHAWK II". We are sending you herewith, in accordance with your request, prints showing a starter motor outline for the… | ||
| Scan156 | Extract from a C.A.V. letter about a starter motor for the 'Goshawk II'. | ||
| View original record | X4342V Extract from C.A.V. letter ref.EL/IDJ X.4359V 12.7.21. X.4342V. STARTER MOTOR FOR "GOSHAWK II". In reply to your letter of the 7th inst., (ref. Da/THR3/CB7.7.21) in which you enclose us blue… | ||
| Scan157 | Clarifying a clerical error in the diameter of a C.A.V. make starter motor for a 'Goshawk II' engine. | ||
| View original record | X 4342V To WD from DA/THR. c. to BY. c. to EFC. DA/THR5/CB12-7-21. [STAMP: FO JUL RECEIVED] X 4342V STARTER MOTOR & DYNAMOTOR "GOSHAWK II" OF C.A.V. MAKE Replying to your memo WD5/NJ12-7-21. We can… | ||
| Scan158 | Discrepancy in specifications for a Starter Motor and Dynamo order for the 'Goshawk 11' engine. | ||
| View original record | To Mr. from Wd c. to By. c. to EFC. X.4342 V X.4359 V Starter Motor and Dynamo for "Goshawk 11". In accordance with yours Da/Thr5/CB3.6.21, I sent to C.A.Vandervell & Co.Ltd. our order No.5533 for:- 1… | ||
| Scan159 | Internal memorandum regarding an order acknowledgement from C.A. Vandervell & Co. Ltd. for a Starter Motor & Dynamo for the Coshawk II. | ||
| View original record | To Da/Thr. from Wd. c. to By. c. to EFC. X.4342V. Wd2/NJ18.7.21. X.4359V. STARTER MOTOR & DYNAMO FOR "COSHAWK II". X.4342V. I confirm mine Wd5/N 12.7.21 and acknowledge yours Da/Thr5/CB12.7.21.… | ||
| Scan160 | Letter from G.A. Vandervell & Co Ltd regarding order specifications for a C.A.V. dynamo and an 'SC' type starter motor. | ||
| View original record | COPY OF LETTER RECEIVED FROM:- MESSRS. G.A. VANDERVELL & CO LTD. WARPLE WAY, ACTON VALE, LONDON. W. ref. EL/DM. 15th July, 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. X.4359V. X.4342V.… | ||
| Scan161 | Page 2 of a letter from C. A. Vandervell & Company Ltd. regarding a price consideration. | ||
| View original record | R.R. 235a (100 T) (S.H. 798. 10-12-20) G. 2248 -2- Contd. The question of price is now receiving our consideration, and we hope to forward you particulars as required in the course of a few days.… | ||
| Scan162 | Letter concerning the electrical system for a dynamo and motor for the 'Goshawk' project, with a query about battery terminals. | ||
| View original record | X.4342V. EFC2/T. 8th Sept., 1921. Messrs. C.A.Vandervell & Co.Ltd., Acton Vale, London, W.3. X. 4359V X 4342V Dear Sirs: Re Dynamo & Motor for "Goshawk". With reference to the small dynamo and motor… | ||
| Scan163 | Letter to C. A. Vandervell & Co. Ltd. arranging the loan of a brake pulley for testing a C.A.V. motor for the Goshawk engine. | ||
| View original record | X. 4342V. EFC3/T. 9th Sept.1921. Messrs. C. A. Vandervell & Co. Ltd., Acton Vale, London, W.3. Dear Sirs:- We are sending to you on loan, under separate cover, a brake pulley to enable you to carry… | ||
| Scan164 | Requesting the despatch of a brake wheel to supplier C.A. Vandervell for testing a Goshawk II starter motor. | ||
| View original record | X.4342.V. To Wd. from EFC. c. to Shipping Office. c. to Despatch Stores. RE BRAKE WHEEL. We are sending into the Stores a brake wheel which is adapted for fitting to the C.A.V. starter motor for… | ||
| Scan165 | Letter from C.A. Vandervell & Co. Ltd. concerning modifications to a Dynamo and Motor for the 'Goshawk' project. | ||
| View original record | BY ROYAL WARRANT OF APPOINTMENT C.A.Vandervell & Co Ltd OF ACTON, LONDON, W. 3. Manufacturing Electrical Engineers ALSO AT BIRMINGHAM, BRIGHTON, MANCHESTER, DUBLIN, PARIS, LYONS, TURIN & MILAN… | ||
| Scan166 | Letter from C.A. Vandervell & Co Ltd regarding a brake pulley for testing the C.A.V. Starter for the Goshawk engine. | ||
| View original record | X. 4342 V. BY ROYAL WARRANT OF APPOINTMENT AUTOMOBILE AIRCRAFT AND MARINE EQUIPMENTS FOR LIGHTING STARTING AND IGNITION C.A.Vandervell & Co LTD OF ACTON, LONDON, W. 3. Manufacturing Electrical… | ||
| Scan167 | Letter to Messrs. C.A. Vandervell & Co. Ltd. requesting the urgent return of a loaned brake pulley for motor tests. | ||
| View original record | X.4342 V. EFC1/T. 24th Sept. 1921. Messrs. C.A. Vandervell & Co.Ltd., Acton, London, W.3. Dear Sirs, Re Brake Pulley loaned for Motor Tests. We are now in urgent need of the brake pulley which we… | ||
| Scan168 | Letter from C.A. Vandervell & Co. Ltd. confirming the return of a Brake Pulley for Motor Tests. | ||
| View original record | 70460 X.4342 V PLEASE ATTACH THE LOWER PART OF THIS SLIP TO YOUR REPLY. ORDER DEPT A1 C.A.VANDERVELL & CO LTD. OF ACTON, LONDON, W. 3. Manufacturing Electrical Engineers ALSO AT BIRMINGHAM, BRIGHTON,… | ||
| Scan169 | Preliminary report on a C.A.V. Starter Motor, comparing it to an S.B. type. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. X.4342V Oct. 28th 1921 To E.F.C Order No P.B.23. Customer's No. X.4342V Preliminary Report on C.A.V. Starter Motor… | ||
| Scan170 | Letter to C.A. Vandervell & Co. Ltd. requesting two spare brushes for a motor after one was accidentally broken. | ||
| View original record | X.4842V EFC6/T 31st, October, 1921. Messrs. C.A.Vandervell & Co.Ltd.,., Acton, London, W.3. Dear Sirs, Re Brushes for small Dynamo & Motor. We beg to acknowledge the receipt of the small packet… | ||
| Scan171 | Technical report on the C.A.V. motor for 'Goshawk' II. | ||
| View original record | X4342V To R & E. from EFC. c. to CJ. & FN. c. to Rg. & Da. c. to EV. & EP. c. to R.R. of America. EPC7/T31.10.21. X.4342V - C.A.V. MOTOR FOR "GOSHAWK" II. This motor has a neat appearance, being of… | ||
| Scan172 | Specifications and test results of a motor, including dimensions and electrical characteristics. | ||
| View original record | Contd. -2- EFC7/T31.10.21. lubrication are provided. There is no additional insulation other than that on the coils, between the field coils and the carcase. The end plates are secured by longitudinal… | ||
| Scan173 | Performance analysis of a motor for the Goshawk engine under various test conditions. | ||
| View original record | Contd. -3- EFC7/T31.10.21. With the Goshawk engine cold, requiring, according to our estimate, a motor torque of 66 lb-inches, the motor speed would, with these results, be 950, and the engine speed… | ||
| Scan174 | The performance of a motor under load, comparing it to other models and suggesting its use on a Goshawk chassis. | ||
| View original record | Contd. -4- EFC7/T31.10.21. heaviest load at which this motor was tested, namely, 92 lb-inches, the motor behaved consistently well and there was no trouble at the commutator and brushes. In this and… | ||
| Scan175 | Graph showing the brake efficiency and performance curves for a Type S.C. starter motor on a Goshawk chassis. | ||
| View original record | STARTER MOTOR BRAKE EFFICIENCY X 4342 C.AV MOTOR TYPE S.C. APPROX. WORKING POINT ON GOSHAWK CHASSIS Y-AXIS LABELS: ELECTRICAL H.P EFFICIENCY VOLTAGE AMPERES B.H.P R.P.M X-AXIS LABEL: TORQUE (POUND… | ||
| Scan176 | Performance characteristic chart for the X 4342 C.A.V. Motor Type S.C. | ||
| View original record | STARTER MOTOR BRAKE EFFICIENCY X 4342 C.A.V. MOTOR TYPE S.C. EFFICIENCY VOLTAGE SPEED (R.P.M.) HORSE POWER TORQUE (POUND INCHES.) AMPERES B.H.P. TORQUE VOLTS SPEED | ||
| Scan177 | Brake test results for a C.A.V. Type S.C. starter motor. | ||
| View original record | X. 4342 V.. MOTOR FORM 5. X.3009 - BRAKE TEST OF STARTER MOTOR. Date:- 21.10.21 Motor under test:- C.A V. Dia. of brake wheel = 10 No.:- 85 Type S.C Reduction gear ratio = 1 Weight of pan and portion… | ||
| Scan178 | Brake test report for a starter motor. | ||
| View original record | MOTOR FORM 5. X.3009 - BRAKE TEST OF STARTER MOTOR. Date:- 21.10.21. Motor under test :- C.A.V. Dia. of brake wheel = 10" No.:- 85 Type: S.C. Reduction gear ratio = / Weight of pan and portion of rope… | ||
| Scan179 | Instruction sheet with test results for a C.A.V. DB Goshawk Dynamo at 20°C. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 208552 X 4342 V! 95287 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Customer's No. F.D. 159. Order No. X 4342 V Re C.A.V.D.B. Dynamo (Goshawk) 6C. Volts Cold 20°C.… | ||
| Scan180 | Instruction sheet detailing voltage settings for a C.A.V. D.B. Goshawk Dynamo at various speeds. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X:4342V. 95288 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S 7.C Order No. Customer's No.: 7D. 160. Re: X 4342 V. 1-11-21 C.A.V. D.B Dynamo (Goshawk) G.C. Volts… | ||
| Scan181 | Letter from C.A. Vandervell & Co. regarding an order for spare dynamo and motor brushes. | ||
| View original record | X 4342V PLEASE ATTACH THE LOWER PART OF THIS SLIP TO YOUR REPLY. [STAMP: ORDER DEPT A 13] C.A. Vandervell & Co LTD OF ACTON, LONDON, W. 3. Manufacturing Electrical Engineers ALSO AT BIRMINGHAM,… | ||
| Scan182 | C.A.V. dynamo for the 'Goshawk II' and recommending specific LeCarbone brushes. | ||
| View original record | To EFC. from R. c. to CJ. c. to Wor. c. to By. X.4342V. R10/G9.11.21. X.4359V. RE C.A.V. DYNAMO FOR "GOSHAWK II". X.3348. X.4342V. X.3945. Regarding the C.A.V. dynamo, this seems to be the best one we… | ||
| Scan183 | Letter to C.A. Vandervell & Co. Ltd. regarding the quality and performance of brushes for a small dynamo and motor. | ||
| View original record | T & S H. 986. 19-8-21. G. 2000 X4342.V EFC6/T. X4342V X435V V 11th November, 1921. Messrs. C.A.Vandervell & Co.Ltd., Acton, London, W.3. Dear Sirs, Re Small Dynamo & Motor. We thank you for the packet… | ||
| Scan184 | Broken brush spring and ill-fitting replacement brushes causing noise, with a suggestion for improvement. | ||
| View original record | Contd. -2- EFC6/T. One brush spring has unfortunately broken and we should be glad of a replacement. Also we find these new brushes to be rather too narrow for the brush holders. This seems to cause a… | ||
| Scan185 | Correspondence regarding quotations for Dynamos and Motors for the Goshawk II engine from C.A. Vandervell and Rotax. | ||
| View original record | EFC. from Wd. c. Ms. X4342v Wd2/NJ16.11.21. X.4359 & X.4342 - Dynamos & Motors for Goshawk II. Yours EFE4/T31.10.21. We are now in receipt of a letter from C.A.Vandervell & Co.Ltd. stating that as… | ||
| Scan186 | Letter from C.A. Vandervell & Co. Ltd. concerning the supply and specifications of motor brushes. | ||
| View original record | X.4342V. COPY OF LETTER RECEIVED FROM:- C.A. VANDERVELL & CO. LTD., ACTON, LONDON, W.3. ________________________________________________ WHG/AES. 18th November, 1921. Messrs. Rolls-Royce, Ltd.,… | ||
| Scan187 | Correspondence regarding a delay in receiving a price quotation from C.A. Vandervell & Co. for dynamos and motors for the Goshawk 11 project. | ||
| View original record | R. R. 295a (100 T) (S H. 798, 10-12-20) G. 2947 EFC. from Wd. X4342V Wd5/NJ22.11.21. X.4359 & X.4342 - Dynamos and Motors for "Goshawk 11" Yours EFC4/T31.10.21. I have already informed you that… | ||
| Scan188 | Letter to C.A. Vandervell & Co Ltd regarding brushes and a suggested terminal cover for small dynamos. | ||
| View original record | X4342V EFC1/T. X4342V X4357V 28th November, 1921. Messrs. C.A.Vandervell & Co: Ltd., Acton, London, W.3. Dear Sirs, Re Small Dynamos & Motors. We have to thank you for your letter ref. WHC/AES of the… | ||
| Scan189 | Extract concerning a visit to West Wittering about the Goshawk II engine's electric starter. | ||
| View original record | X4342V Extract from R7/M30.12.21. RE VISIT OF MESSRS Hs. & H.. TO WEST WITTERING ON WEDNESDAY 21st. DECEMBER 1921. GOSHAWK II. (12) ELECTRIC STARTER. X.4342V. X.4383. Use the C.A.V. electric starter… | ||
| Scan190 | Letter to Messrs. C.A. Vandervell & Co. Ltd. regarding a special electrical arrangement for a starter motor. | ||
| View original record | X.4342 V. EFC2/T. 23rd. January, 1922. Messrs. C.A.Vandervell & Co.Ltd., Acton, London, W.3. Dear Sirs, Re Starter Motor. On some of your starter motor systems you have a special electrical… | ||
| Scan191 | Letter from C.A. Vandervell & Co. Ltd. regarding the feasibility of special windings for a starter motor. | ||
| View original record | X. 4342 V BY ROYAL WARRANT OF APPOINTMENT AUTOMOBILE AIRCRAFT AND MARINE EQUIPMENTS FOR LIGHTING STARTING AND IGNITION C.A.Vandervell & Co Lᴛᴅ OF ACTON, LONDON, W. 3. Manufacturing Electrical… | ||
| Scan192 | Page 2 of a continuation letter from C.A.V. & Co., Ltd. | ||
| View original record | S. 115/305/9101 C.A.V. & Co., Ltd.—Continuation, No. -2- To Messrs. Rolls Royce Ltd. Thanking you in anticipation and assuring you at all times of our best services. Yours faithfully, p.p. C. A.… | ||
| Scan193 | Letter from C.A. Vandervell & Co. regarding starter motors and arranging a meeting in Derby. | ||
| View original record | X4342V BY ROYAL WARRANT OF APPOINTMENT AUTOMOBILE AIRCRAFT AND MARINE EQUIPMENTS FOR LIGHTING STARTING AND IGNITION C.A. VANDERVELL & CO. LTD. OF ACTON, LONDON, S.W. 3. Manufacturing Electrical… | ||
| Scan194 | Letter from C. A. V. & Co., Ltd. regarding a proposed meeting in Derby. | ||
| View original record | S.115/1829/28420. C. A. V. & Co., Ltd.—Continuation, No. 2. To Rolls-Royce. -approval- The writer anticipates being in Derby next week, and will make a point of calling upon you in the hope that it… | ||
| Scan195 | Letter to C.A. Vandervell & Co. Ltd. regarding the feasibility of incorporating special windings into small starter motors. | ||
| View original record | X4342V EFC4/T. 27th January, 1922. Messrs. C.A.Vandervell & Co.Ltd., 16, Friars Road, COVENTRY. For the attention of Mr. F. Collis. Dear Sir, We have your letter reference FC/FMW, with reference to… | ||
| Scan196 | The return of three unused C.A.V. 'SC' starter motors for a potential price if returned. | ||
| View original record | X.4342. To Wd. from EFC. EFC1/T21.9.23. X.4342 C.A.V. "SC" STARTER MOTORS. We have three C.A.V. motors type SC, which were obtained for the 20 H.P., with special armature shafts. These motors have… | ||
| Scan197 | 12-volt engine starter from Lucas for a Wolseley 'Hornet' chassis. | ||
| View original record | To Hs. from ROY. X4342 ROY5/MG2.6.31 Following our recent conversation, Messrs. Lucas have sent in a small 12-volt Engine Starter, which I hand you herewith, as fitted to the Wolseley "Hornet" Chassis… | ||
| Scan198 | Short memo confirming the dispatch of one small Lucas starter motor. | ||
| View original record | X4342 To Da. from Hs. Hs2/AD2.6.31. SMALL STARTER MOTOR. Today we have despatched to you one small Lucas starter motor. Hs. | ||
| Scan199 | The dispatch of a small Lucas starter motor to a customer at no charge. | ||
| View original record | X4342. Roy. from Hs. c. D/EP. c. Despatch Stores. Hs3/AD2.6.31. LUCAS STARTER MOTOR. We are sending into the Stores, one small Lucas starter motor. Will you please arrange to have this despatched to… | ||
| Scan200 | Requesting the return of a Lucas starter motor after inspection. | ||
| View original record | X4342 To Da. from Hs/Wst. Hs/Wst.4/AD3.11.31. LUCAS STARTER MOTOR. We understand that a few months ago you had from us aLucas starter motor type M.35 A.S. No.12533. We should be glad to know if you… | ||
| Scan201 | Letter from Joseph Lucas Limited acknowledging receipt of starter motor calculations. | ||
| View original record | REGISTERED OFFICES & GENERAL DEPTS GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W.I. X4342 LUCAS "KING OF THE ROAD" LAMPS LUCAS. STARTING & LIGHTING EQUIPMENT FOR CARS.… | ||
| Scan202 | Letter from Joseph Lucas Limited confirming the dispatch of a sample 4 1/2 inch machine and its accompanying drawing. | ||
| View original record | REGISTERED OFFICE & GENERAL DEPTS GREAT KING STREET. BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET. W.1 TRADE MARK XC4342 LUCAS 'KING OF THE ROAD' LAMPS LUCAS STARTING & LIGHTING EQUIPMENT… | ||
| Scan203 | Letter to Joseph Lucas Co. Ltd. regarding patent numbers for a Bijur starter motor drive and a preference for this quieter system for a Bentley sports car. | ||
| View original record | X4342 C. to E. Hs/Wat.9/MA. June 7th, 1932. Messrs. Joseph Lucas Co. Ltd., Great King St., Birmingham. For the attention of Dr. E. O. Turner. Dear Sirs, Some time ago on the occasion of the writer's… | ||
| Scan204 | Page 2 of a letter regarding starter motor engagement and proposals for Bentley electrical equipment. | ||
| View original record | -2- engagement similar to our 20/25HP chassis starter motor. We should be glad if you will also acquaint Mr. E. A. Watson of the latter part of this letter as he is interested in the proposals for the… | ||
| Scan205 | Letter from Joseph Lucas Research Laboratories concerning starter engaging gear drives for a Bentley Sports car. | ||
| View original record | X4342 TRADE MARK THE JOSEPH LUCAS RESEARCH LABORATORIES WELL STREET BIRMINGHAM TELEGRAMS: "LUCAS, BIRMINGHAM" TELEPHONE: NORTHERN 5201 (P.B.EX.) WHEN REPLYING PLEASE REFER TO EOT/P. Messrs. Rolls… | ||
| Scan206 | Letter from Joseph Lucas Ltd. following up on the adaptability and pricing of Slow Engagement Starters. | ||
| View original record | REGISTERED OFFICES & GENERAL DEP'TS GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W.1. JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM TELEPHONE:… | ||
| Scan207 | Drawings for the 'Goshawk II' battery ignition gear's advance and retard governor. | ||
| View original record | X4354 To DA. from E. Copy to CJ. HDH [Struck through] HS [Struck through] HY [Struck through] F.O. COPY E5/G13/5/21. Re "GOSHAWK II" BATTERY IGNITION GEAR. We send you herewith drawings Nos. Lec.1393… | ||
| Scan208 | Drawing Lec.1432 for the revised ignition governor on the Goshawk II engine. | ||
| View original record | To D.A. from E. Copy to CJ. " " WOR. " " HS. " " BY. " " EFC. X.4304 X.485 E3/G22/7/21. RE "GOSHAWK II" - REVISED IGNITION GOVERNOR. We send you herewith drawing Lec.1432 shewing the above. The… | ||
| Scan209 | The distribution of blueprints for the 'Goshawk II' ignition governor experiment. | ||
| View original record | X4354 [Text crossed out: To RHC,] From BY/Shn. c. to EFC. [Text crossed out: c. to BG] [Text crossed out: c. to Mr Swift] c. to Mr Broome. BY/Shn3/DB.19.8.21. X.4354 - "GOSHAWK II" - IGNITION… | ||
| Scan210 | Revised specification for the Goshawk II engine's battery ignition advance. | ||
| View original record | To Da. from E. c. to CJ. c. to Hs. c. to Wor. c. to By. X 43527 E8/G28.10.21. Z.3485. RE "GOSHAWK II" BATTERY IGNITION. X 4354 X.3949. In our drawing LeC.1432 of the "Goshawk II" battery ignition, it… | ||
| Scan211 | Outlining the requirement for a test rig for the Goshawk 11 Governor's automatic advance. | ||
| View original record | WOR. from Hs. c. to Ws. x 4352 Hs2/LG18.11.21. 4352 GOSHAWK 11. In connection with the Governor which provides the automatic advance on Goshawk 11. Battery Ignition, it will be necessary, when these… | ||
| Scan212 | Inadequate venting on the high tension distributor for the Goshawk 11 battery ignition system, causing verdigris buildup. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to BY. c. to Da. c. to EP. c. to Wor. X4357 Hs6/LG16.12.21. GOSHAWK 11 - BATTERY IGNITION. We notice on the latest scheme for the Battery Ignition that the vent… | ||
| Scan213 | Revised drawing for clips on the battery ignition distributor moulding. | ||
| View original record | X3455 X4557 E1/17.12.21. Da. From S. C. To Mr. Hor. By Hs. Ref. G.11 - Battery Ignition. We send you herewith drawing No. LeC 1505 shewing the revised clips for the distributor moulding. It will be… | ||
| Scan214 | Extract discussing the rationale for retaining manual ignition control alongside automatic control for the Goshawk engine. | ||
| View original record | X.4384. Extract. EP3/LG23.3.22. GOSHAWK. X.3949.X.4239 X.4219. ____________________ Sales were also asking why the automatic control for the ignition could not be complete so that the ignition is… | ||
| Scan215 | Issues with the Goshawk ignition governor's advance characteristic and the need for a new design. | ||
| View original record | To E. from EFC. c. to Da. c. to By. c. to Hs. c. to EP. X 4354 EFC1/T24.3.22. RE AUTOMATIC ADVANCE OF GOSHAWK IGNITION. I had hoped to have seen you again before your return to West Wittering, to… | ||
| Scan216 | Continuation of a report discussing a required advance characteristic and a variable motion ratio for a cam mechanism. | ||
| View original record | Contd. -2- EFC1/T24.3.22. the required advance characteristic all the way from zero to 1500 r.p.m. reasonably nearly. This would certainly require some variable motion ratio between the moving weights… | ||
| Scan217 | Design and automatic advance requirements for the Goshawk engine's ignition governor. | ||
| View original record | X4354 To E. from EFC. c. to Da. c. to EP. c. to Hs. c. to By. X4354 RE AUTOMATIC ADVANCE OF GOSHAWK IGNITION. The governor was originally designed to allow an angular motion of the governor weights of… | ||
| Scan218 | Explanation of a diagram and curves detailing the dynamic couple exerted by governor weights for engine timing. | ||
| View original record | EFC1/T27.3.22. -2- Contd. be merely the 12° between 250 and 1500 R.P.M. and that any retard required below 250 R.P.M. would be done on the hand control. We have prepared a diagram and a sheet of… | ||
| Scan219 | Continued analysis of a governor system, discussing the relationship between spring characteristics, speed, and advance curves. | ||
| View original record | EFC1/T27.3.22. -3- Contd. to the fact that, other things being the same, the couple exerted is proportional to the square of the speed, the heights of the vertices of these curves above the base line… | ||
| Scan220 | Analysis of governor performance by comparing various actual and ideal cam advance curves against engine requirements. | ||
| View original record | Contd. -4- EFC1/T27.3.22. represents a spring which allows the cam to advance 23° from 0 to 1500 R.P.M. Actual corresponding curves of advance are shown marked I and V on the sheet of advance… | ||
| Scan221 | Governor weight characteristics and advance curves. | ||
| View original record | Contd. -5- EFC1/T27.8.22. governor weights, a range most nearly suited to giving the required characteristic of advance. To this end - Curve A is the characteristic of the advance required. Curve IV… | ||
| Scan222 | Page discussing the physics and design limitations of a governor mechanism, specifically concerning spring action and weight motion. | ||
| View original record | Contd. -6- EFC1/T27.3.22. tremendously as the spring is compressed, which action is not possible with any single spring. Any possibility of a single spring working over a selected range can be readily… | ||
| Scan223 | Developing a satisfactory automatic ignition advance, with comparisons to the Bosch ignition system. | ||
| View original record | Contd. -7- to obtain the variation of the curve B shown from 0 to 250 R.P.M., as at these comparatively slow speeds the power available is comparatively slight. It is not necessary that any part of… | ||
| Scan224 | Graph showing the advance characteristics of the Goshawk ignition governor. | ||
| View original record | SUMMARY OF THE VARIOUS CURVES SHOWN. A. ADVANCE CHARACTERISTIC REQUIRED BY THE ENGINE, A TOTAL OF 12° BETWEEN THE SPEEDS OF 250 AND 1500 R.P.M., ASSUMING THAT THIS IS ALL THE AUTOMATIC ADVANCE… | ||
| Scan225 | Diagram for determining the advance characteristic of the Goshawk ignition governor. | ||
| View original record | DIAGRAM FOR DETERMINATION OF ADVANCE CHARACTERISTIC OF GOSHAWK IGNITION GOVERNOR DYNAMIC COUPLE OR SPRING COUPLE (Arbitrary Units) 80 70 60 50 40 30 20 10 1500 R.P.M. 1250 R.P.M. 1000 R.P.M. 750… | ||
| Scan226 | Goshawk II battery ignition and the governor's function for preliminary advance. | ||
| View original record | To EFC. from E. c. to GJ. c. to Wor. c. to Hs. c. to Da. c. to By. X4354 E3/M28.3.22. X4354 X.3949 - GOSHAWK II BATTERY IGNITION X.3485. With regard to your memo. on the above in which you say you are… | ||
| Scan227 | The Goshawk II governor drive, detailing angular movements, ranges and spring settings. | ||
| View original record | To EP. from BY/Shn. [STAMPED TEXT OBSCURED] Handwritten: Miss for HS Handwritten: Had EFC & BY together - wheel EFC says now all clear. EP Handwritten: X 4354 Handwritten: Seen H- BY/Shn1/DB.28.3.22… | ||
| Scan228 | Automatic advance ignition for the Goshawk 11 engine, discussing production and specifications. | ||
| View original record | Hs. from EP. X4354 GOSHAWK 11 EF6/LGS.4.22. X4354 AUTOMATIC ADVANCE IGNITION. 14219 Although R. in his report on "Suggestions" has tackled this job, we are not in a position to know exactly what… | ||
| Scan229 | Extract from a note discussing automatic advance for battery ignition and a related disagreement. | ||
| View original record | X. 4354. Extract from Hs's note of Tuesday April 11th. to EP. AUTOMATIC ADVANCE FOR BATTERY IGNITION. R agrees that the ignition as arranged on this works satisfactorily. This is the same as EFC… | ||
| Scan230 | Engine advance curves and modifications to the Goshawk governor. | ||
| View original record | To WRC. from E. c. to AJ. Wor. c. to Sy. Hs. X4354 EA/M13.4.22. In reply to your report EFC1/T27.3.22. we should like to know on what your curve of advance required by the engine is based as it… | ||
| Scan231 | Technical memorandum discussing ignition advance curves and production alterations for the Goshawk II engine governor. | ||
| View original record | X.4354 To E. from EFC. c. Ev. c. EP. X.4354 - RE GOSHAWK II IGNITION - GOVERNOR. Answering your E4/W13.4.22, the curve of advance marked A, was drawn from very definite figures given to us by EP. as… | ||
| Scan232 | Ignition modification, governor start speed, and a request for figures from Mr. Hives. | ||
| View original record | Contd. -2- EFC2/T20.4.22. "R. agrees that the ignition as arranged on this works satisfactorily. This is the same as EFC's original modification. -------- Seeing that it is working so satisfactorily… | ||
| Scan233 | List of reported failures and required standards for various components of the Goshawk II. | ||
| View original record | X4354 Extracts from EP2/LG25.4.22. FE GOSHAWK II X.4378 - BATTERY BOX HANGAR BRACKETS. Hy. complains these have failed on 5-Gos.II and R has sent through instructions to alter same. X.4075. HEAD LAMP… | ||
| Scan234 | Extract concerning the Goshawk II engine's starter switch, ignition, and high tension rotor. | ||
| View original record | x4354 Extract from E3/M1.5.22. RE GOSHAWK II. STARTER SWITCH. X.3915. A point for further experimenting, using copper brushes. IGNITION - AUTOMATIC RANGE OF ADVANCE. X.4354. We do not know which… | ||
| Scan235 | Blueprint with calculations and diagrams for the Goshawk II engine governor mechanism. | ||
| View original record | EFC GOSHAWK II X.4354 Top Left Section: 2250RPM. V = 1309ft per sec. = 600R (assumed) r = 1.718 Diagram labels: 43°24', IN, OUT, 30°, 16°56', .250, 113°58' 1520RPM. V=11.0 ft per sec. r^2=1.21.0… | ||
| Scan236 | Instruction to supply Hoffmann Ball Bearings for the 'Goshawk I' Governor Drive experiment. | ||
| View original record | X4354A [Struck through text] c. to EFC. BY/Shn6/DB.20.9.22. X.4354.A. - "GOSHAWK I" - GOVERNOR DRIVE. In accordance with LeC.1616, will you please instruct up the following Hoffmann Ball Bearings, as… | ||
| Scan237 | Graph showing characteristic curves for the Goshawk automatic ignition advance governor. | ||
| View original record | CHARACTERISTIC CURVES OF RR GOSHAWK AUTOMATIC IGNITION ADVANCE GOVERNOR I. CURVE REQUIRED BY ENGINE. II. NEAREST CURVE TO I OBTAINED BY CALCULATION. III. ACTUAL CURVE OBTAINED WITH GOVERNOR. LIMITS TO… | ||
| Scan238 | Production inspection, adjustment, and test procedure for the Goshawk ignition distributor and contact breaker. | ||
| View original record | X4357 12.3.23. X.3604dr - PRODUCTION INSPECTION, ADJUSTMENT & TEST OF GOSHAWK IGNITION DISTRIBUTOR & CONTACT BREAKER. X.4357 X.4354. A. MAIN DISTRIBUTOR & CONTACT BREAKER TEST. Inspection shall be… | ||
| Scan239 | Page detailing testing procedures for contact spring tension and distributor high tension rotor insulation. | ||
| View original record | -2- Contd. That screw of the two securing the contact spring clamp nearer to the contact points shall now be removed. Through the hole thus available, a wire, having a hook at each end is inserted and… | ||
| Scan240 | Procedure for the mechanical testing of a governor, including advance-speed characteristics. | ||
| View original record | X4354 -3- Contd. B. MECHANICAL TEST OF GOVERNOR. (1) The distributor shall now be fitted up with its rotor and cover, and wired up to a standard Goshawk ignition equipment. ( A disc marked in degrees… | ||
| Scan241 | Instructions on altering the spring set for the weights if speed limits are not met. | ||
| View original record | -4- Contd. If the speed limits are not complied with, it will be generally found that the only alteration required is that of the set of the spring in the undeflected position of the weights. This set… | ||
| Scan242 | The ignition timing range for a Goshawk engine on a 49-GB car. | ||
| View original record | Mr. Hives. from GWH. 4357 x40 28.3.23. GOSHAWK IGNITION ON 49-GB CAR. Range of ignition with .018" gap on contact = Retard 15° late Mech: advance 18.4° B.T.D.C. Auto: " 56° B.T.D.C. Average advance… | ||
| Scan243 | Updated specification for the production test of the ignition governor. | ||
| View original record | To By. from EFC. c. to Mr. Brock. c. to EP. V4354 EFC2/T22.6.23. X. 3604dr - SPECIFICATION OF PRODUCTION TEST OF IGNITION GOVERNOR. X4357 X4354 In accordance with EP's request, we have narrowed down… | ||
| Scan244 | Suggestion to increase the automatic ignition advance on the 20HP model to reduce the risk of detonation. | ||
| View original record | TO HS. E. ) FROM R. (E. is crossed out and 'BY EFO.' is handwritten underneath) X 4354 ORIGINAL R2/M14.7.27. X.4354 20HP. - AUTO: IGNITION ADVANCE. My experience with this suggests that the auto:… | ||
| Scan245 | Graph of required ignition advance curves (maximum and minimum) versus engine speed for the 20 HP engine. | ||
| View original record | X 4384 20.H.P. G/I MAXIMUM MINIMUM ENGINE DEGREES B.D.C. H.D.P. ENGINE SPEED R.P.M. CURVES SHOWING THE IGNITION ADVANCE REQUIRED ON R.R. 20HP. ENGINE. (FIGURES SUPPLIED BY Hs.) 3.2.22 THE CURVES… | ||
| Scan246 | The ignition advance curves required for a 20 HP engine. | ||
| View original record | CURVES SHOWING THE IGNITION ADVANCE REQUIRED ON 20 H.P. ENGINE. (Figures supplied by Hs. 3.2.22) Gr I ROLLS-ROYCE. LIMITED PRINT ROOM 28 AUG. 24 DERBY | ||
| Scan247 | Ignition control settings and timing comparison for a high compression 25 HP car engine. | ||
| View original record | X5681 E. From Hs/AJL. c. to Hy. c. to WOF. Hs/AJL.2/AJ.6.2.30. Y5770 Y5771 Y5681 IGNITION CONTROL FOR HIGH COMPRESSION 25 HP. CAR. =================================== It is found that the 5.25:1… | ||
| Scan248 | Magneto ignition timing, range of advance, and detonation issues at different speeds. | ||
| View original record | -2- HS/AJL.2/L.6.2.30.Contd. MAGNETO IGNITION. The range of advance given by the magneto is limited to 36°; all obtained by hand on the control quadrant. As the automatic governor does not control the… | ||
| Scan249 | Ignition timing alterations for the high compression 20-25 HP car. | ||
| View original record | COPY. To E. From Hs/AJL. c. to By. c. to Mx. 15681 Hs/AJL.1/MJ.16.4.30. X.5680 X.5770 X.5771 IGNITION TIMING ON HIGH COMPRESSION 20-25 HP. CAR. In Hs/AJL.2/MJ.6.2.30 we gave the necessary ignition… | ||
| Scan250 | Alteration to the ignition timing leverage on high compression 20/25 HP cars. | ||
| View original record | BY. From Hs/AJL. C. to MX. E. X 5681 Hs/AJL.1/MJ.3.5.30. x5681 x5770 x5771 IGNITION TIMING ON HIGH COMPRESSION 20/25.HP. CARS. Further to our Hs/AJL.1/MJ.16.4.30., it would now appear advisable that… | ||
| Scan251 | Issues with the recommended ignition timing settings for the 20/25 HP high compression car. | ||
| View original record | COPY. Hs/AJL. From MX. c. BY. X5681 Mx.7/T3.5.30. X.5770 X.5771 X.5680 IGNITION TIMING ON HIGH COMPRESSION 20/25 HP. CAR. Ref: Hs/AJL/W.16.4.30. As the result of some further experience on the running… | ||
| Scan252 | Ignition timing adjustments for high compression 20/25 HP cars. | ||
| View original record | X5681 To Mx. From Hs/AJL. c. to Ey. HS/AJL.1/MJ.5.5.30. X5681 X5770 X5771 X5680 IGNITION TIMING ON HIGH COMPRESSION 20/25 HP. CARS. With reference to Mx.7/T.3.5.30., we have asked the D.O. for the… | ||
| Scan253 | Continued memorandum discussing the difficulty of having no automatic control on magneto ignition. | ||
| View original record | -2- Ha/AJL.1/WJ.5.5.30.Contd. not appear so inconsistent as at first sight. The difficulty of course is due to there being no automatic control in operation on the magneto ignition. Ha/AJL. | ||
| Scan254 | Ignition timing settings for the high compression 20/25 HP car. | ||
| View original record | x5681 To EP. From Hs/AJL. c. to MX. c. to BY. Hs/AJL.2/WJ.12.5.30. x5270 x5331 x5681 HIGH COMPRESSION 20/25 HP. CAR. IGNITION SETTING. We have recommended and instructed a battery ignition setting of… | ||
| Scan255 | Timing diagram for a 20/25 HP engine with a 5.25:1 compression ratio, showing battery and magneto ignition advance. | ||
| View original record | X5681 FLYWHEEL DEGREES 50 40 B.D.P. 30 20 10 RETARD. 0 A.D.P. 10 20 BATTERY IGNITION ADVANCE (FULLY ADVANCED AUTOMATICALLY) MAGNETO ADVANCE BATTERY IGNITION ADVANCE (FULLY RETARDED AUTOMATICALLY)… | ||
| Scan256 | 10,000-mile test car to determine the optimal ignition timing on Ticknall Hill. | ||
| View original record | FILES. X5681 26.10.31. x5840. x6129 x5681 18.G.IV. 10,000 miles Test Car. The following test was carried out to determine the latest ignition setting that could be used without loss of power. It will… | ||
| Scan257 | Graph of ignition governor advance curves for the GOS. C.5 engine. | ||
| View original record | 24 H.P. IGNITION GOVERNOR - ADVANCE CURVES HS.714 ENGINE GOS. C.5 (CAST IRON TURBULENT HD 6-3:1 C.R) SINGLE S.U. CARBURETTER (.1875 DIA. THROTTLE.) CURVE ① IDEAL LINE. (MINIMUM ADVANCE FOR MAXIMUM… | ||