Rolls-Royce Archives
| Identifier | Entry | ||
| scan 001 | Test table results for the Lucas E.575 Dynamo, model X.1627. | ||
| View original record | X 3014b 8.4.20. X.3014b. - LUCAS E.575 DYNAMO. X.1627. TEST TABLES. | Dynamo number. | (2) Cold condition Temp. (°C) | O.C. volts at 625 RPM. | (3) Output amperes after 20 minutes at 1750 RPM | volts… | ||
| scan 002 | Request for Lucas dynamos and switchboxes to establish test specifications. | ||
| View original record | X.3014b To Ey. from EEC. EFC2/T10.4.20. X.1627 - SPECIFICATION OF TEST OF LUCAS DYNAMO AND CUT-OUT. X.3014 In order to fix up the particulars of the specification of test with which the Lucas dynamo… | ||
| scan 003 | Comparison table of specifications for various dynamo machines. | ||
| View original record | Top annotations: X.3014 (underlined) X.294. DYNAMO TABLES. X.3014 / X.295 X.3538. Table: | Machine. | C.A.V. N.G.H.H. | Lucas E.575. | Lucas A.400 | Bijur. | Liberty. | Smith T & M 3A. | Smith T & M… | ||
| scan 004 | Table of specifications for various dynamo machines, continued from a previous page. | ||
| View original record | -2- DYNAMO TABLES (Contd.) | Machine. | C.A.V. N.C.E.R. | Lucas E.575. | Lucas A.400 | Bijur. | Liberty. | Smith T & M 3A. | Smith T & M A. | Smith T & M 2D. | R.P. 2-HP |… | ||
| scan 005 | Comparison table of various dynamo models and their specifications. | ||
| View original record | -3- DYNAMO TABLES (CONTD) Machine. C.A.V. N.G.N.R. Lucas E.575 Lucas A.400 Bijur. Liberty. Smith T & M 3A. Smith T & M A. Smith T & M 2D. R.R. 20 HP. FIELD WINDING. rrgt. of coils. Two main coils in… | ||
| scan 006 | Notes and queries regarding the production test specifications for a Lucas Dynamo. | ||
| View original record | X.3014 F.A.212. EFC. 20.4.20. X.1627 - PRODUCTION TEST OF LUCAS DYNAMO. X.3014. The points to be noted in the above test are as follows :- In (2) The dynamo should be run up to a fairly high speed or… | ||
| scan 007 | Specification and request for the test of a Lucas Dynamo and Cut-out to establish production test requirements. | ||
| View original record | Chat. from BY. c. Mr. Brock. c. EFC. X3014 BY6-P15.4.20. X.1627 - SPECIFICATION OF TEST OF LUCAS DYNAMO AND LUCAS CUT-OUT. X.3014. X.3749. If you have half a dozen dynamos in hand would you kindly… | ||
| scan 008 | Letter to Lucas Elec. Co. regarding a proposed modification to Dynamo Terminals and directing future correspondence. | ||
| View original record | X 30/46- c. to Da. ByS/H. April, 19th 1920. Monday. Messrs. Lucas Elec. Co. Gre at King Street, Birmingham. FOR THE ATT. OF MR. BREEDON. Dear Sirs, Referring to our letter of the 30 th tul., reference… | ||
| scan 009 | The performance of electrical parts after a 10,000-mile test run on the 2.EX car, noting a dynamo belt failure. | ||
| View original record | R.R. 235 B (50 T) (R.G. 504. 8-1-20: G. 2585. X.3014b Extract from Hs6/LG20.4.20. X.3647a. ELECTRICAL PARTS RUN 10,000 MILES ON 2.EX CAR. X.3743 X.3014b. 5. Dynamo. X.3749. X.3735. The Lucas dynamo… | ||
| scan 010 | Specification of inspection and test for the Lucas E.575 dynamo. | ||
| View original record | X.3014 To By. from EFC. c. Bn. EFC4/T21.4.20. X.1627 - SPECIFICATION OF INSPECTION & TEST FOR LUCAS E.575 DYNAMO. X.3014. We attach two copies of our specification of inspection and test which we have… | ||
| scan 011 | Test results table for the Lucas E.575 Dynamo. | ||
| View original record | X.3014b. - LUCAS E.575 DYNAMO. X.1627. TEST TABLES. Dynamo number. | (2) Cold condition. temp. (°C) at 625 RPM. | Volts | (3) Output amperes after 20 min: at 1750 R.P.M. | Volts. | (4) Warm condition… | ||
| scan 012 | The 10,000-mile test of electrical parts on the 2.EX, specifically regarding the Lucas dynamo. | ||
| View original record | X.3014b Extract from EFC1/T21.4.20. X.3647. 10,000 MILE TEST OF ELECTRICAL X.3743. PARTS ON 2.EX. X.3014b. (5) Dynamo. The Lucas dynamo has behaved alright. The Objection to the Lucas dynamo is not… | ||
| scan 013 | Specification of inspection and test for a Lucas E.575 Dynamo. | ||
| View original record | X3014b 21.4.20. X.3014b - LUCAS E.575 DYNAMO X+1627 do. SPECIFICATION OF INSPECTION & TEST. (1) Inspect the brush mechanism to make sure that all brushes have the necessary freedom, and that the… | ||
| scan 014 | Dynamo testing procedures for high RPM operation, checking for brush sparking and mechanical vibration. | ||
| View original record | X.3014b -2- Contd ø (6) The dynamo shall now be run up to 3000 R.P.M., still on load, and shall show no abnormal brush sparking. Further, the mechanical vibration due to any want of balance shall not… | ||
| scan 015 | Continuation of a report on a 10,000-mile test of electrical parts, discussing coil windings and dynamo performance. | ||
| View original record | S.S. 283 (100) T (N.F. 816. 6.8.19) G. 2460. X 3014 b X.3644 - 10,000 mile Test of Electrical Parts on 2EX. -2- EFC1/T21.4.20. Contd. curves given under cover of our report EFC2/T13.4.20, although the… | ||
| scan 016 | Letter from The Lucas Electrical Company Ltd regarding the development of a Chassis Lighting Dynamo. | ||
| View original record | X.3014A TELEGRAMS: "MAGDYNO, BIRMINGHAM" TELEPHONE: CENTRAL 1208 (3 LINES) PROPRIETORS: JOSEPH LUCAS LTD THE LUCAS ELECTRICAL COMPANY LTD INCORPORATING THOMSON-BENNETT MAGNETOS LTD WELL STREET,… | ||
| scan 017 | Letter to Joseph Lucas Ltd. regarding modifications to Dynamo Terminals E.575. | ||
| View original record | X. 3014b Dal2/CB29.4.20. April, 29th 1920. Messrs. Joseph Lucas Ltd., Great King Street, BIRMINGHAM. Dear Sirs, X 3954 Re Dynamo Terminals E.575. With reference to our recent correspondence on the… | ||
| scan 018 | Outlining the procedure for unit testing of dynamos to check for noise and general running. | ||
| View original record | Circ. from ED. c. to HY c. to HY c. to EFC. x.3014/b A.T. EP4/F1.5.20. RECEIVED X.3014/b-HE. UNIT TESTING OF DYNAMOS. I understood it was arranged some time ago that all these dynamos should be… | ||
| scan 019 | Faults found during dynamo inspections and arranging for car testing. | ||
| View original record | -2- Careful inspection of the dynamo should be made, as we have faults with the armature rubbing, bearings slack, cracked insulation for the terminal, unsatisfactory drainage for water which settles… | ||
| scan 020 | Re-inspection and testing procedures for dynamos, particularly concerning noise levels. | ||
| View original record | R.R. Sba (100 T) (S.G. 64), 19-2-20: G 2618 X.30146 To Sft. from EFC. c. Ey. c. EP. c. Hy. EFC3/T3.5.20. X.1627 - RE INSPECTION & TESTING OF DYNAMOS. X.30146 EP's. With reference to your note… | ||
| scan 021 | Correspondence with Lucas Electrical Co. Ltd. regarding faulty and noisy dynamos and a new testing arrangement. | ||
| View original record | X 30146 Wor. from Jd. c.to Hy. c.to By. c.to Rm. c.to Hs. Wd5/NJ5.5.20. X. 30146 Noisy Dynamos. Following our Conference on the 3rd inst. I wrote the Lucas Electrical Co.Ltd. as follows:- "During the… | ||
| scan 022 | Establishing a standard unit test rig for noisy dynamos to match on-car conditions. | ||
| View original record | Wd. from EP. c. to Wor. c. to Hz. c. to Hy. c. to Hm. c. to BY. c. to Hs. Handwritten: C to EFC Handwritten: X.3014 b Stamp: RECEIVED COPY. EP6/F6.5.20. X.3014. NOISY DYNAMOS. With reference to your… | ||
| scan 023 | Issues with noisy dynamos from Lucas Electrical Co. Ltd., and the arrangements for testing and modifications. | ||
| View original record | Wd. from Wd. c. to By. c. to Hs. c. to Hr. c. to Hy. c. to Hmy c. to HE. c. to RE. X 30146 Wd12/NJ/7.5.20. X 30146 - Noisy Dynamos. I am in receipt of EP's note, Er6/F6.5.20, and desire to urge upon… | ||
| scan 024 | Instructions detailing the effect on output by varying the control brush position on a Lucas E575 Dynamo. | ||
| View original record | RR.300 (120B) (SF 349 24-1-19) MP 200552 X.3014b 90932 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Customer's No.: F.B.7. Re: Effect on output by varying position of Control brush on Lucas E575… | ||
| scan 025 | Test results for a Lucas Dynamo, showing open circuit voltage output at various speeds when cold. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 30148 90933 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark 12/5/28 Order No: - Customer's No.: F.B 8 Re: R. 1293 - Poor Specimen Lucas Dynamo. O.C. Volts… | ||
| scan 026 | The difficulties of bench testing Lucas dynamos and a proposal for a more suitable test rig. | ||
| View original record | To Ry. from EFC. X.3014. EFC3/T12.5.20 c. to Hy c. to EP. c. to Sft. c. to Wor/Mr. Peskett. X.1627 - RE TESTING OF LUCAS DYNAMOS X.3014. ---- We have now tried on our bench the suitability of testing… | ||
| scan 027 | Specifications for a 4 HP motor, including voltage and regulating resistances. | ||
| View original record | Contd -2- EFC3/T12.5.20. The motor might perhaps be fitted in the chassis where the engine would be or in some other suitable place. We feel that this would be the best scheme ultimately, and we think… | ||
| scan 028 | Instructions sheet detailing the cold voltage test results for a Lucas Dynamo. | ||
| View original record | RR.300 (120B) (SF 349 24-1-19) MP 200552 90934 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mc Clark Order No: - Re: R.1293 not passed Customer's No. F.B.9. Date: 13/5/20 Lucas Dynamo. C.C. Volts Cold Speed… | ||
| scan 029 | Instruction sheet detailing test results for a Lucas Dynamo that did not pass. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 90935 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Order No: - Re: - R 1293 not passed Customer's No.: F.B. 10. Lucas Dynamo DC. Volts fully HOT. Speed |… | ||
| scan 030 | The investigation and test results for Lucas dynamos and switchboxes, detailing which parts passed or failed specification. | ||
| View original record | X.3014.b To By. from EFC. c. c. to Mr. Chatwin. EFC1/S14.5.20. X.1627. RE SPECIFICATION OF TEST OF LUCAS DYNAMOS AND CUT-OUTS. X 3014 We have now completed our investigations on the six Lucas dynamos… | ||
| scan 031 | Instruction memo to replace an old experimental dynamo with a new Lucas E575 dynamo. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.3014b 90942 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Order No.: - Re: X 3014b Customer's No.: 7/B.16. Date: 14/5/20 Lucas Dynamos We have obtained… | ||
| scan 032 | Investigation report on the specifications and testing of the Lucas E.575 Dynamo and Lucas Cut-out. | ||
| View original record | R.R 255a (100 T) (S.G. 648. 19-2-20) G. 2018 X.3014b. To R. from EFC. c. to CJ. c. to E. c. to Da. c. to Bn. c. to PN. c. to By. c. to EP. c. to Hs. EFC1/T14.5.20. X.3014b - LUCAS E.575 DYNAMO.… | ||
| scan 033 | The performance specifications and testing of Lucas dynamo cut-outs. | ||
| View original record | S. R. 238a (100 T) S. G. 643. 19-2-20 G 2618 EFC1/T14.5.20. -2- Contd. circuit voltage and therefore late in operating the cut-out. This we are suggesting returning to Messrs. Lucas for investigation.… | ||
| scan 034 | The testing and analysis of electrical cut-outs, noting inconsistencies and suggesting further investigation. | ||
| View original record | R.R. 735a (100 T) S. G. 643. 19-2-20) G 2618 Contd. -3- EFC1/T14.5.20. According to our specification only one of these cut-outs, namely, No.19 passes. We are, however, allowing Nos. 14267 and 15770… | ||
| scan 035 | Analysis of issues with Lucas cut-outs in R.R. cars and a description of the testing methodology used to investigate them. | ||
| View original record | Contd. -4- EFE1/T14.5.20. and spring tension — gap curves of the moving mechanism, complicated by the frictional effect which leads to indefin- iteness. Although these Lucas cut-outs have no doubt in… | ||
| scan 036 | Page detailing test procedures for an electrical cut-out, noting voltage and amperage at different speeds. | ||
| View original record | W.R. 238a (100 T) S. G. 643. 19-2-20 G 2618 Contd. -5- EFC1/T14.5.20. (2) After the operation of the cut-out the speed was re-adjusted to the same figure as for (1) and with the cut-out still in the… | ||
| scan 037 | Test data for Lucas Dynamos E.575 (R.1276 & R.1318) and Lucas Cut-outs (No.19 & No.29) under hot and cold conditions. | ||
| View original record | R.R. C28A (100 T) S. G. 643. 19-2-20 G 2618 Contd. -6- EFC1/T14.5.20. Dynamo:- Lucas E.575 No. R.1276. Cut-out:-Lucas No.19. Condition. | Volts. | Amperes. | Speed. | Corresponding approx. dynamo… | ||
| scan 038 | Performance data for Lucas E.575 and No.91/129 dynamo and cut-out sets. | ||
| View original record | R.R. 536a (100 T) S. G. 545. 19-2-20 G 2618 Contd. -7- EFC1/T14.5.20. Dynamo:- Lucas E.575. R.1223. Cut-out:- Lucas No.91. Condition. | Volts. | Amperes. | Speed. | Corresponding approx. dynamo… | ||
| scan 039 | Test data for Lucas dynamos and cut-outs, showing voltage, amperage, and speed under hot and cold conditions. | ||
| View original record | Contd. -8- EFC1/T14.5.20. Dynamo:- Lucas E.575 No. R.1322. Cut-out:- Lucas No.14267. Condition. | Volts. | Amperes. | Speed. | Corresponding approx dynamo balancing speed and Volts. --- | --- | --- |… | ||
| scan 040 | Operating voltages of dynamo cut-outs and efforts to improve their uniformity with suppliers. | ||
| View original record | R.R. 535A (100 T) S. G. 643, 19-2-20: G 2618 Contd. -9- EFC1/T14.5.20. Comparison of the operating voltages in the above six tables will show that these agree quite well with those given in tables B… | ||
| scan 041 | Test tables for the Lucas E.575 Dynamo X.1627. | ||
| View original record | X.3014b. - LUCAS E.575 DYNAMO. X.1627. TEST TABLES. Dynamo number | (2) Cold condition Temp. (°C) O.C. volts at 625 RPM. | (3) Output amperes after 20 minutes at 1750 RPM. Volts. | (4) Warm condition… | ||
| scan 042 | Test results table for various Lucas cut-out devices under cold operating conditions. | ||
| View original record | X.3770. LUCAS CUT-OUT. X.1627. TEST TABLES. Cut-out number. | Cold condition Just operated at (volts, amperes) | Cold condition Just de-operated at (volts, Shunt amps, Series reverse amperes.) | Shunt… | ||
| scan 043 | Test table results for a Lucas Cut-Out. | ||
| View original record | X.3770. LUCAS CUT-OUT. TEST TABLES. Cut-out Number. | Cold or Hot. | Just operated at | Just de-operated at | Shunt Ohms. | Remarks. | | Shunt Volts. | Shunt Amperes. | Shunt Volts. | Shunt Amps. |… | ||
| scan 044 | Instruction sheet with test results for a Lucas E575 Dynamo, showing voltage output at various speeds. | ||
| View original record | X.30146 RR 300 (120B) (SF 549 24-1-19) MP 200552 90947 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: W Clark Date: 18/5/20 Order No.: - Customer's No.: H/321. Re: X Lucas E575 No. R1341 Dynamos. .OC Volts.… | ||
| scan 045 | To Mr. Clarke regarding a confusion over specifications for testing dynamos and cut-outs for Messrs Lucas. | ||
| View original record | X.30146. BY18/H. 19. 5. 20. Mr.Clarke. X 30146 RE SPECIFICATIONS FOR TESTING DYNAMOS & CUT-OUTS. X 1624 Referring to your memo EFC1/S.14.5.20. I find that owing to some confusion the specifications… | ||
| scan 046 | Extract concerning the Smith Dynamo and adjustments made to Lucas dynamos. | ||
| View original record | X.3014 b Extract from EFC2/T19.5.20. X.295. ---- SMITH DYNAMO. ------------ X.3764.b. X.3014a/b. Similar curves will be obtained in due course for the Lucas E.575 dynamo. We have already made use of… | ||
| scan 047 | Covering memo forwarding a copy of a letter sent to the Lucas Electrical Co. Ltd. regarding dynamos. | ||
| View original record | X.30146 By. from Wd. c. to EP. c. to EFC. c. to Hs. c. to Ms. Wd1/NJ 22.5.20. Lucas Dynamos. Herewith I send you copy of a letter ref.- Wd1l/NJ21.5.20, which was despatched to the Lucas Electrical Co.… | ||
| scan 048 | Letter to Lucas Electrical Co. Ltd. regarding the manufacture and supply of a special dynamo for the 40/50 HP chassis. | ||
| View original record | W. R: 238A-100 T. (B C). 648. 10-2-20 G 5618 Wdll/NJ21.5.20. 21st. May, 1920. Messrs. Lucas Electrical Co. Ltd. Well Street, BIRMINGHAM. Dear Sirs, X.4060. Electrical Equipment of 40/50 H.P.… | ||
| scan 049 | Letter to Lucas Electrical Co. Ltd. regarding the supply and testing of dynamos. | ||
| View original record | R.R. 258a/100 T/ (S G. 648. 19-2-20) G. 2618 Messrs. The Lucas Electrical Co. Ltd. 21st. May, 1920. Well Street, Birmingham. -2- that our orders shall exceed 2,000 dynamos in all, you would have to… | ||
| scan 050 | Instruction sheet detailing DC voltage tests for a Lucas ES75 Dynamo at various speeds. | ||
| View original record | R.R. 360 (120B) (SF 349 24-1-19) MP 200552 X. 30146 90971 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Customer's No.: R1341. Re: X 30146 Table: Lucas ES75 No. R1341 Dynamo. D.C. Volts Cold.… | ||
| scan 051 | Requirement to fit the standard Lucas Dynamo for the American market. | ||
| View original record | COPY. Wor. from BY. (note: 'from' is crossed out) c. Hs. EFC X.3014.b. BY14/P27.5.20. X3678 (note: crossed out) RE CABLE DEALING WITH DYNAMO FOR AMERICA. X.3014.b. Referring to your memo Wor6/M20.5.20… | ||
| scan 052 | Test results for a Lucas E575 Dynamo, showing output readings at various speeds. | ||
| View original record | RR 300 (120B) (SF. 349 24-1-19) MP 200552 X. 3014b 90972 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Order No. Customer's No. HB 42. Date: 27/5/20 Re: X. 3014b Lucas E575 Dynamo No R1341 Out-put… | ||
| scan 053 | Instruction sheet recording speed, amperes, and volts measurements for a component. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 90973 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No Customer's No. H343. Re | Speed | Amperes | Volts | |---|---|---| | 1410 | 12.40 | 14.00 | | 1590 |… | ||
| scan 054 | Instructions and test results for a Lucas E575 Dynamo, showing output current and voltage at various speeds. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 I X. 30146 90974 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr. Clark. 28/5/20# Order No.: - Customer's No.: 7B44. Re: X. 30146. Lucas E575 Dynamo No R1341 Output… | ||
| scan 055 | Log of performance readings including speed, main amperes, control amperes, and volts. | ||
| View original record | RR 300 (1208) (SF 349 24-1-19) MP 200552 90975 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No Customer's No. HB45 Re | Speed | Main Amperes | Control Amperes | Volts | |---|---|---|---| | 1800 |… | ||
| scan 056 | Instruction sheet with test results for a Lucas E575 dynamo under hot conditions. | ||
| View original record | RR 300 / 120B) (SF 349 24-1-19) MP 200552 I 90978 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mc Clark 29/5/20.19 Order No: Customer's No: F/B. 48. Re: X Lucas E575. dynamo. No R1341 With Control brush… | ||
| scan 057 | Test log recording speed, main amperes, control amperes, and volts for customer 7B49. | ||
| View original record | BR 100 / (120B) (SF 349 24-1-19) MP 200552 90979 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No. Customer's No. 7B49 Re | Speed | Main Amperes | Control Amperes | Volts. | |---|---|---|---| | 1680… | ||
| scan 058 | Instruction sheet with test results for a Lucas C57S Dynamo under hot conditions. | ||
| View original record | BR 300 (120B) (SF 349 24-1-19) MP 200552 90980 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: McClark Date: 29/5/20 Order No: X. Customer's No.: 7B 50. Re: X. Lucas C575 Dynamo No R1341 Control brush Retarded… | ||
| scan 059 | Test results for a Lucas E575 Dynamo, detailing voltage output at various speeds. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 90977 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Order No.: Re.: X. Customer's No.: 41347 Lucas E575 No 1434R1341 Dynamo. Volt=speed. O.C. Hot. Speed |… | ||
| scan 060 | Urgent internal memo discussing a letter from Lucas Electrical Co. Ltd. about dynamos and arranging a meeting for a response. | ||
| View original record | H.R. 235 a (50 T) (S.G. 504. 8-1-20.) G. 2585. x30146 URGENT By. from Wd. c.to By. c.to EFC. c.to Hs. c.to Ms. Wd6/NJ1.6.20. <30146> Lucas Dynamos. Referring to mine Wd1/NJ22.5.20, I send you herewith… | ||
| scan 061 | Letter from The Lucas Electrical Company Ltd. discussing the electrical equipment for a 40/50 HP chassis. | ||
| View original record | F 235 a (100 T) (R.F. 846. 6-8-19) G. 2460 C O P Y. LETTER FROM:- THE LUCAS ELECTRICAL COMPANY LTD, WELL STREET, BIRMINGHAM. Our Ref:- CLB/GD. Your Ref:- Wd11/NJ21520. Messrs. Rolls-Royce Ltd.,… | ||
| scan 062 | Letter regarding the investigation of an electrical noise issue on a car, potentially caused by a Whittle Belt. | ||
| View original record | 255 a (100 T) (R.F. 846. 6-8-19) G. 2460. FROM THE LUCAS ELECTRICAL CO. LTD., BIRMINGHAM. Continuation Sheet. 2. Ref. CLB/CD. To Messrs. Rolls-Royce Ltd., 29th May, 1920. difficult for us to detect… | ||
| scan 063 | Testing and development of the Lucas C.575 dynamo. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to Bn. c. to Da. c. to EP. c. to Hs. c. to Wd. c. to Pn. c. to By. x 3014b EFC1/T29.5.20. X.4060. - LUCAS C.575 DYNAMO. X.294. X.3014b. In our Ck2/T8.1.20, we… | ||
| scan 064 | Performance comparison of E.575 and C.575 dynamos, detailing factors that affect their output curves. | ||
| View original record | Contd. -2- EFC1/T29.5.20. the amount of such increase not being objected to by us. This again would be approximately what would have happened to the machine had Messrs. Lucas adopted Mr. Royce's… | ||
| scan 065 | Dynamo testing conditions, specifically hot output curves, battery voltages, and variations in components from suppliers. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180805 Contd. -3- EFCl/T29.5.20. curve, and the dynamo is not allowed to run at a moment more than is necessary in order not to allow it to heat up appreciably. Our… | ||
| scan 066 | Technical memo discussing dynamo performance, output curves, and comparison with other models. | ||
| View original record | Contd -4- EFC1/T29.5.20. normal speed vary a little. On any one dynamo the output curve of the machine can be considerably increased or reduced, respectively, by advancing or retarding the control… | ||
| scan 067 | The performance of a sample Lucas C.575 dynamo, detailing noise issues and a suspected mechanical fault compared to the standard E.575 model. | ||
| View original record | Contd. -B- EFC1/T29.5.20. If Messrs. Lucas would have allowed a little more weight on the machine, we think they might have obtained the performance we require. We shall be interested to know if you… | ||
| scan 068 | Comparison between the C.575 Lucas dynamo and the E.575 dynamo for standardisation purposes. | ||
| View original record | Contd. -6- ERC1/T29.5.20. The C.575 dynamo, being of Lucas make, can take the place of the E.575 without any other alteration to the system, and in this respect would be suitable for more immediate… | ||
| scan 069 | Letter inviting Mr. Breeden from Lucas Electrical Co. Ltd. to a meeting about Lucas Dynamos. | ||
| View original record | R.R. 235 B (50 T) (S.G. 504, 8-1-20) G. 2585. By from Wd. c.to EF. c.to EFC. c.to Hs. c.to Ms. X.30146 Wd15/NJ4.6.20. X.30146 Lucas Dynamos. Herewith I send you copy of a letter I have addressed to… | ||
| scan 070 | Letter to Lucas Electrical Co. Ltd. regarding a visit from Mr. Breeden to test dynamos for the 40/50 HP chassis. | ||
| View original record | Wd14/NJ4620. 4th June, 1920. Messrs. The Lucas Electrical Co.Ltd., Well Street, Birmingham. Dear Sirs, Electrical Equipment of 40/50 h.p. Chassis. We duly received yours ref.- CLR/GD, of 29th ult. and… | ||
| scan 071 | Note about rescheduling a visit from Mr. Breeden of the Lucas Electrical Co. from Monday to Tuesday. | ||
| View original record | Wd. c.to By. c.to EF. c.to EFC. c.to Hs. X 3014 b Wd/Ms7/FJ5.6.20. X.3014b. Kindly note, the Lucas Electrical Co. have just telephoned to say that it will not be convenient for Mr. Breeden to call at… | ||
| scan 072 | Chassis dynamo heating test results for maximum output on the first lot. | ||
| View original record | X.3014b 8.6.20. X.3936. CHASSIS DYNAMO HEATING TEST RESULTS. (Maximum output) (First lot). Table Columns: - Dynamo. - Maximum Ampere out-put (Start./Finish.) - Initial or ambient temperature. - Final… | ||
| scan 073 | Test results table for chassis dynamo heating under maximum output conditions. | ||
| View original record | 8.6.20. CHASSIS DYNAMO HEATING TEST RESULTS. (Maximum output). (Second lot). Dynamo. | Maximum Amp. output | Initial or ambient temp: | Final temperature(oC) | Remarks. | Start. | Finish. | |… | ||
| scan 074 | Urgent memo arranging a meeting with Lucas Electrical Co. Ltd. to test dynamos rejected for noisiness. | ||
| View original record | R.R 235 s (50 T) (S.G. 504, 8-1-20) G. 2585. TO X.3014b From Wd. c. to Hs. c. to EFC. c. to Hf. [struck through] c. to Hs. [struck through] URGENT. Wd2/NJS.6.20. X.3014 b. Lucas Electrical Co. Ltd.… | ||
| scan 075 | Ignition and Klaxon failure on chassis 1.EX, with a critique of Lucas components. | ||
| View original record | X.3014b. To EFC. from R. Copy to CJ. R13/GB.8.6.20. X.3743b. RE CHASSIS 1.EX. X.2515. X.3749. X.1163. X.3014b. X.3129. The failure on 1.EX of the ignition and Klaxon was due to a blown fuse. My… | ||
| scan 076 | Instruction sheet with test results for a Lucas F575 dynamo's output after a heating test. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 208552 X 3014 b. 91018 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Customer's No.: 7B 85 Order No.: Re: X 3014 b. Lucas F575 dynamo. Out-put after heating test with… | ||
| scan 077 | Instruction sheet detailing test results for a Lucas ES75 Dynamo at various control brush settings. | ||
| View original record | R.R. 500 (120B) (SF 349 24-1-19) MP 200552 X.30146 91617 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Order No. X.30146 Customer's No. FB 84 Re. X.30146 Lucas ES75 Dynamo. Constant speed with… | ||
| scan 078 | Investigation into a noisy dynamo, confirming the fault is not with the drive belt. | ||
| View original record | HY. c. to HD. c. to EFC. X 3014/6 EP11/F10.6.20. A.T. X 3014/6-RE. NOISY DYNAMOS. With reference to our conversation with Mr.Breedon on the 8th inst., we were able to demonstrate to him the noise… | ||
| scan 079 | Instruction sheet detailing the weights and specifications for a Lucas E 575 Shunt Wound Dynamo. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.30146 91129 ROLLS-ROYCE LIMITED. INSTRUCTIONS. July 16th. '20 To E.F.C. Order No. P.A.2. Customer's No. Re X. 30146 Winding and design of Details of Lucas. E… | ||
| scan 080 | Instructions for a field circuit, detailing its components and winding specifications. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91130 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Order No. P.A.2. Customer's No. Re X 30146 Date July 17th 1920. Field Circuit. There is one wound pole, on a… | ||
| scan 081 | Instructions for the winding specifications of a Field Circuit and an Armature Circuit. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91131 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A.2. Customer's No. Re X 30146 July. 17th 1920 Field Circuit (Cont'd.). The whole are bound… | ||
| scan 082 | Instructions regarding the specifications of an Armature Circuit. | ||
| View original record | R.R. 300 (120B) (SF 349 24-1-19) MP 200552 91132 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.A.2 Customer's No. Re X. 30146 Armature Circuit. (Cont'd). conductors in all, with 22, or, 2… | ||
| scan 083 | Instructions detailing the construction specifications for an armature circuit. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91133 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No: P.A.2. Customer's No. Re: X 3014b Date: July. 19th 1920. Armature Circuit. (Cont'd.) .018" dia.… | ||
| scan 084 | Instructions detailing specifications for the armature circuit, commutator, and brushes. | ||
| View original record | RG 300 (120B) (SF 349 24-1-19) MP 200552 91134 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Order No P.A.2. Customer's No. Re X 3014b Date: July. 19th. 1920 Armature Circuit (Cont'd.) clamps, and on… | ||
| scan 085 | Instructions regarding the commutator, brushes, and winding diagram. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91135 ROLLS-ROYCE LIMITED. INSTRUCTIONS. July. 19th. 1920. To E.F.C. Order No P.A. 2. Customer's No. Re X. 20146 Commutator and brushes. (Cont'd). for brush… | ||
| scan 086 | Instructions detailing the results of a test on a Lucas Dynamo armature. | ||
| View original record | RG 300 (120B) (SF 349 24-1-19) MP 200552 91139 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C Order No. P.A.2. Customer's No. Date: July 26th 1920 Re: X.3014b. Test of Armature of Lucas Dynamo, for… | ||
| scan 087 | Forwarding a letter from Lucas Electrical Co. Ltd. regarding a delay in the delivery of dynamos and switchboxes. | ||
| View original record | R.R. 235 b (50 T) (S.G. 504. 8-1-20) G. 2585. By from Wd. c. to Wor. c. to EH. c. to EFC. O. to Me. X.3014 b Wd9/NJ19.6.20. X.3014 b. Lucas Dynamos & Switchboxes. Herewith a letter from the Lucas… | ||
| scan 088 | Letter from The Lucas Electrical Company Ltd. regarding delivery delays for Dynamos and Gun Metal Switch Boxes. | ||
| View original record | B R H (100 T) (R F. 848. 6-8-19) G. 2460 COPY. LETTER FROM:- THE LUCAS ELECTRICAL COMPANY LTD., WELL STREET, BIRMINGHAM. Our Ref;- CLB/I. 18th June 1920. Messrs. Rolls-Royce Ltd., Nightingale Road,… | ||
| scan 089 | Letter concerning the delivery schedule and specifications of Lucas Dynamos, detailing a mix of old and new terminal blocks. | ||
| View original record | By from Wd. c.to Wor: c.to EP. c.to EPC. c.to Me X.3014 b Wd6/NJ21.6.20. X.3014 b. Lucas Dynamos. I confirm mine Wd9/NJ19.6.20. We are now in receipt of a further letter from the Lucas Electrical… | ||
| scan 090 | The cause of 'singing' dynamos, suggesting the issue is slack bearings and noting a particularly noisy unit on car 1.EX. | ||
| View original record | x. 3014b To EFC. from R. Copy to CJ. " Hs. X. 294. RE DYNAMOS. X. 3014b. X. 3763. R6/G28.6.20. X. 3770. Regarding the singing of the dynamos, we feel cer- tain that this gets worse in time, possibly… | ||
| scan 091 | Extract from a report on the electrical systems for chassis 6.EX, comparing Smith and Lucas dynamos and discussing wiring improvements. | ||
| View original record | X3014b Extract from R2/G17.7.20. 3923 RE CHASSIS 6.EX. X. 295. The Smith dynamo appears decidedly better for giving a charge at slow speeds. I have not yet seen a machine to examine the design and… | ||
| scan 092 | The high failure rate of Lucas Dynamos and a subsequent visit from their electrician. | ||
| View original record | X-30146 By. from Wd. c. to Er. c. to Hw. c. to EFC. c. to Sft. c. to Ds. c. to OO/W. Wd9/NJ20.7.20. X.30146 Lucas Dynamos. In view of the fact that out of 103 dynamos which have been tested on our… | ||
| scan 093 | Comparing Smith 2D and Lucas E.575 dynamos and discussing improvements. | ||
| View original record | H.R. 99 (500T) (SDc76 19-7-17) MP18/8865 X.3014 b. EFC2/123.7.20. To R. from EFC. c. to CJ. c. to Wor. c. to Da. c. to Hs. c. to PN. c. to Wd. X.295 - SMITH 2D AND LUCAS E.575 DYNAMOS. X.3014.b X.3762… | ||
| scan 094 | Performance issues with dynamos and arrangements with supplier Messrs. Lucas. | ||
| View original record | Contd. -2- EFC2/T23.7.20. armature. We refer to balance of the magnetic pulls and not to inertia out-of-balance forces. Smith dynamos, so far, are not noisy. X.4060b. We have reported to you in our… | ||
| scan 095 | A scheme to adjust dynamo output by rotating the brushes. | ||
| View original record | R.R. 199 (250T) (SD676 10-7-17) MP18/866 E7C from Dy X. 30146 26/7/20 Mr Ireland had arranged before coming over a scheme which took away the Electrical main. He rotated the brushes a certain amount.… | ||
| scan 096 | Request to modify a chassis dynamo to eliminate an electrical hum. | ||
| View original record | X.3014b. E C BY19/H# 26. 7. 27. RECEIVED 27 JUL 1927 Mr.Brock. c. He. c. EFC. -------- X.3014b. CHASSIS DYNAMO. ------------ Will you kindly modify the Dynamo in accordance with Mr.Ireland's scheme,… | ||
| scan 097 | Requesting information on the alteration made to silence the E.575 dynamo. | ||
| View original record | R.R. 38A. (100 T. (S.G. 643. 10-2-20) G. 2518) X 30146. To Wor. for Mr. Brock. from EFC. EFC2/T27.7.20. X.3014b - RE SILENCING OF E.575 DYNAMO. Will you kindly let me know by return the exact… | ||
| scan 098 | Silencing the Lucas E.575 dynamo by adjusting the control brush. | ||
| View original record | To R. from EFC. c. to CJ. c. to WOT. c. to E. c. to Da. c. to Hs. c. to Bn. c. to PN. c. to By. c. to Wd. [Handwritten]: X.3014 /b EFC5/T27.7.20. X.3014. - LUCAS E.575 DYNAMO SILENCE. Further to our… | ||
| scan 099 | Dynamo noise reduction and output testing by adjusting the position of the control brush. | ||
| View original record | Contd. -2- EFC5/T27.7.20. The amount of movement of the control brush between "normal" and "retarded", represented by these curves, corresponds to about 1 1/2 segments. Production are satisfied that… | ||
| scan 100 | Testing and subsequent return of dynamo R.1860 for stock. | ||
| View original record | X.80146 EFC. 28.7.20. Herewith E.575 dynamo R.1860. When you have finished your tests will you kindly return same to me so that it can be put into stock, and oblige. Sgd. E.J. Brock. | ||
| scan 101 | Belt adjustment range for Lucas and Smith dynamos. | ||
| View original record | To R. from Hs. c. to CJ. c. to En. c. to E. c. to Da. c. to By. X.3014b Hs3/LG28.7.20. X.516 DRIVE FOR DYNAMOS. X.3772b. LUCAS DYNAMO. X.3014b. We find that on the present standard cars we have not… | ||
| scan 102 | Test results for a Lucas E575 Dynamo, detailing control brush standards. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.30146. 91085 ROLLS-ROYCE LIMITED. INSTRUCTIONS. I To E & C. Customer's No. 7P150. Re: X 30146 Lucas E575 dynamo No R1869 Control brush standards 40° 75°C.… | ||
| scan 103 | Instruction sheet with a handwritten table of test results for speed, amperage, and voltage. | ||
| View original record | RR 300 (120B) (SP 349 24-1-19) MP 200552 91086 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No Customer's No. 73151. Re Speed | Amperes | Volts 2420 | 9.25 | 14.5 2630 | 9.10 | 14.5 2990 | 8.85 |… | ||
| scan 104 | Test data for a Lucas [5]75 Dynamo, model R1869, detailing amperes and volts at various speeds. | ||
| View original record | RR 360 (1203) (SF 349 24-1-19) MP 200552 91083 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.F.C. Order No Re X.3014B Customer's No. 113148 29/7/20 19 Lucas [5]75 Dynamo. R1869 Control brush Normal. 75°C.… | ||
| scan 105 | Test record sheet showing measurements of Speed, Amperes, and Volts. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91084 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No Customer's No. 7D149 Re Speed | Amperes | Volts 2550 | 11.6 | 14.8 2855 | 11.5 | 14.8 3190 | 11.3 |… | ||
| scan 106 | The performance and silencing of the Lucas E.575 dynamo. | ||
| View original record | B.B. Wks. (100 T) (S.G. 648. 19-5-20) G. 2518 To By. from EFC. c. Wd. c. EP. c. Wor/Mr. Brock. X 3014-6. EFC4/T30.7.20 X.3014 - LUCAS E.575 DYNAMO SILENCE. Regarding the Lucas E.575 dynamo handed over… | ||
| scan 107 | Investigation into a hum by adjusting the control brush on a bench and a rig. | ||
| View original record | Contd. -2- EFC4/T30.7.20. to see whether the movement of the control brush will cause the hum to disappear at that particular speed. On the bemch, although we find the hum to be a little later, we… | ||
| scan 108 | Maximum allowance for modifying the Control Brush on a chassis dynamo. | ||
| View original record | H.R. 199 (250 T) (SD676 19-7-17) MP180865 X.30146 BY9/H. 3. 8. 20. Wd. C. EFC. Xe. C. Hs. ------- X.30146 CHASSIS DYNAMO. ------------- Referring to EFC's memo EFC4/T. 30. 7. 20. would you kindly… | ||
| scan 109 | Clarifying that dynamos are ordered up to the end of the 'O' Series, regarding parts held up for 'N' and 'O' Series. | ||
| View original record | By. c. to Hs. c. to EFC. c. to Mr.Booth. c. to Mr.Shelton. c. to Mr.Robinson. X.3014 b- RECEIVED Wd/Ms7/FJ4.8.20. Material - Parts held up on "N" and "O" Series. With reference to Mr.Bailey's… | ||
| scan 110 | Letter to Lucas Electrical Co. Ltd. regarding performance tests and specifications for the Dynamo E.575. | ||
| View original record | H.S. 38a (100 T) S. G. 643, 19-2-20) G 2618 X 30146 Copy for EFC. E C AUG 4 1920 RECEIVED. Wdll/NJ4820. 4th Aug.1920. Messrs.The Lucas Electrical Co.Ltd., Well Street, Birmingham. Dear Sirs, Dynamo… | ||
| scan 111 | Status of parts held up for 'N' and 'O' series vehicles. | ||
| View original record | x.3014b Extract By5/H.4.8.20. Ms. c. Hs. c. EFC. c. Mr. Booth. c. Mr. Shelton. c. Mr. Robinson. ----------------- MATERIAL. - RE PARTS HELD UP ON "N" AND "O" SERIES.… | ||
| scan 112 | Graph showing the output curves for a Production Lucas E 575 dynamo, plotting amperes against speed. | ||
| View original record | Prod^n. Lucas E 575. dynamo output curves. Amperes Speed brushes Normal .75°C brushes retarded .40° @ 75°C 5/8/20 X 30146 | ||
| scan 113 | Graph showing the variation of ampere output against lever position for different dynamo models at various speeds. | ||
| View original record | X 3014 X 595. Ampere output Smith 2D2 hot at 1200 R.P.M. Lucas E.S. 3/5 hot at 1450 R.P.M. Lucas A400 at 965 R.P.M. Variation of output with lever pos'n (Control brush or lever on Lucas's dynamo)… | ||
| scan 114 | Heavily faded and mostly illegible handwritten document with a purple ink stamp. | ||
| View original record | [Handwritten text is illegible] [Stamp Text] ROLLS-ROYCE, LIMITED PRINT ROOM. AUG 9 20 DERBY | ||
| scan 115 | Vehicle performance observations and required maintenance for chassis EX-2. | ||
| View original record | Contd. X.3463. x.3014b Chassis -2- EX R24/H10.8.20. You will remember I strongly advocated well pumped tyres for Isle of Man TT 1906, to get low petrol consumption. X.607. X.3014b. X.3763b. The… | ||
| scan 116 | Extract detailing jobs carried out on the Hawk-Northcliffe chassis, concerning the dynamo and steering. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 x3014b Extract from Hsl/LG17.8.20. X.3408. RE HAWK-NORTHCLIFFE CHASSIS. X.3763.a/b. Since we have had 1.EX Car here we have carried out one or two jobs which… | ||
| scan 117 | Extract detailing electrical troubles experienced with imported chassis. | ||
| View original record | R.R. 228a (100 T) S.H. 89. 22-7-20) G. 2769 X.3014 Extract from Cy8/U19.8.20. Re New Chassis Troubles. ------------------------- Below are some examples of troubles experienced with the electrical… | ||
| scan 118 | Extract detailing troubles with electrical equipment on new imported chassis. | ||
| View original record | X.3014 19.8.20 Extract from Oy8/G18.9.20. Re New Chassis Troubles. ------------------- Below are some examples of troubles experienced with the electrical equipment we have recently had with imported… | ||
| scan 119 | Query regarding the differing behavior of Smith and Lucas machines when a fuse blows or a disconnection occurs. | ||
| View original record | R.R. 28m (507) (S.G. 745, 24-5-20) G. 2050 X3014b 24.8.20. ROYCAR DERBY. X.295. X.3014b. X.25151. CLARK SHOULD A FUSE BLOW OR ANY DISCONNECTION OCCUR ON ANY OF THE CIRCUITS DOES THE SMITH MACHINE… | ||
| scan 120 | To Royce regarding the possibility of machine failure due to blown fuses. | ||
| View original record | X3014b X. 295‡ ----- X.3014b. ------- X.2515. ----- 25.8.20. Royce, ELMSTEAD, WEST WITTERING. NO POSSIBILITY OF EITHER MACHINE ROAST- ING DUE TO BLOWN FUSE OR DISCONNECTION IF FUSES ARE CORRECT. MEMO… | ||
| scan 121 | Report comparing the electrical installation and faults on experimental cars 1.EX and 6.EX. | ||
| View original record | x 3014b R11/G25.8.20. To Hs. from R. Copy to CJ. " Wor. " Da. " By. X.3763b. " EFC. X.3923b. " RP. X.298. RE ELECTRICAL INSTALLATION. 1.EX COMPARED WITH 6.EX. X.2515. X.3014h X.3770. The smith dynamo… | ||
| scan 122 | Relocating the distributing board to improve accessibility when removing cylinders. | ||
| View original record | Contd. -2- R11/G25.8.20. arranged. as suggested by Mr. Elliott. This would give the distributing board approximately the same position as the old coil position, and we ought to seriously consider this… | ||
| scan 123 | Fuse systems for Lucas & Smith dynamos, discussing overheating (roasting) conditions. | ||
| View original record | X.3014b To R. from EFC. c. to CJ. c. to E. c. to Bn. c. to Da. EFC1/T25.8.20. X.2515. X.3014b. - FUSE SYSTEMS WITH LUCAS & SMITH DYNAMOS. X.295. X.3749. In answer to your telegram, there is no greater… | ||
| scan 124 | Preventing damage from interchanging main and field fuses on a distribution board. | ||
| View original record | Contd. -2- EFC1/T25.8.20. immediately relieve the excitation of the machine. X.3555. X.3923b. There is the possibility on the distribution board on 6.EX that the main fuse and field fuse might be… | ||
| scan 125 | Overheating of a Smith Dynamo, its cause, and proposed modifications to wiring and instructions. | ||
| View original record | X3014b To EFC. from R. Copy to CJ. " " Da. " " Hs. RS/G26.8.20. X.295. X.2515. X.3014b. X.4173. RE SMITH DYNAMO. With reference to your memo EFC1/T24.8.20, I am satisfied that the over-heating was… | ||
| scan 126 | Modifications and work carried out on the 1.EX experimental car. | ||
| View original record | X3014b To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to BY. Hs7/LG31.8.20. X.3783a/b. RE 1.EX CAR. We propose sending this car to West Wittering on Friday Sept. 3rd. and to bring away 6.EX… | ||
| scan 127 | Explaining the reason for the absence of fuses in the lighting circuits on chassis 46-LW. | ||
| View original record | To EWT. from EFC. X.30146. EFC8/T3.9.20. X.3719b. X.25151 X.30146. RE R.R. ELECTRIC SYSTEM ON CHASSIS 46-LW - FUSES IN LIGHTING CIRCUITS. We have had no fuses in the lamp circuits of the post-war… | ||
| scan 128 | Return of a faulty Lucas dynamo from an experimental car for examination and repair. | ||
| View original record | To Shipping Office. c. Despatch Stores. c. to C.C. X.30146. EFC4/T10.9.20. X.30146 RE LUCAS DYNAMO. We are sending into the stores for return to Messrs. Lucas, a dynamo which has run some distance on… | ||
| scan 129 | Letter to Lucas Electrical regarding the return of a faulty dynamo from an experimental car. | ||
| View original record | X 3614 G EFC3/T. 10th Sept. 1920. The Lucas Elec. Co.Ltd., Great King Street, Birmingham. Dear Sirs, X.3614 G Re Dynamos. We are returning to you a dynamo which has run for some distance on one of our… | ||
| scan 130 | Letter from the Lucas Electrical Company regarding the examination of a dynamo from an experimental car. | ||
| View original record | X 3014 b TELEGRAMS: "MAGDYNO, BIRMINGHAM". PROPRIETORS: JOSEPH LUCAS LTD TELEPHONE: CENTRAL 1308 (3 Lines) THE LUCAS ELECTRICAL COMPANY LTD INCORPORATING THOMSON-BENNETT MAGNETOS LTD WELL STREET,… | ||
| scan 131 | Response to a query addressing issues with battery discharge, dynamo operation, and drive belt adjustments. | ||
| View original record | X3014b ROLLS Royce of America Inc. Springfield, Mass. By3/P24.9.20. X.3014b X.3770 X.376 X.3735 Referring to Qy5/G3.9.20, the actual facts X4211 of the case are as follows:- (1) It is quite agreed… | ||
| scan 132 | Weaknesses in an electrical system and plans for an improved dynamo. | ||
| View original record | Contd. -2- ByS/P24.9.20. EFC. tells me he has informed you of the above apparent weaknesses in the electrical system, and further we have also pointed out that in view of the features we are… | ||
| scan 133 | Communication relaying a fault diagnosis from Lucas Electrical Co. Ltd. concerning an E.575 Dynamo from an experimental car. | ||
| View original record | R.R. 255A (100T) (S.G. 548. 19-2-20) C.2518 [STAMP: EFC. OCT 7 1920] [STAMP: RECEIVED EFC4/T10920] [HANDWRITTEN: X.30 Apt 6] Wd/WP2/AB11020. 1st October 1920. We duly communicated the contents of your… | ||
| scan 134 | Instructions regarding the receipt of a replacement Lucas Dynamo for a burnt-out unit on car 4 EX. | ||
| View original record | RR.300 (120B) (SF 349 24-1-19) MP 200552 X.3014/G. 91402 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S & C. 11/10/20 Order No.: Customer's No.: FC 76. Re: X.3014 G. Lucas Dynamos X 3764 We have received… | ||
| scan 135 | Test results of a Smith dynamo and comparing fuse arrangements with Lucas and Bosch systems. | ||
| View original record | X3014b To EFC. from R. Copy to CJ. " " EAC. " " Fn. " " R.R. of America Inc. (For the attention of OY). -------------------------------- X.2954 X.3936. X.3014b. X.3580. X.2515. X.796. RE SMITH DYNAMO.… | ||
| scan 136 | Continued page discussing the design of a dynamo armature, referencing previous Royce Limited machines. | ||
| View original record | Contd. -2- R3/G5.10.20. of a hand wound armature, but would do much tow- ards making the dynamo efficient and silent; it is an identical plate in size and slots with that used on a series of small… | ||
| scan 137 | Extract from a letter listing vehicle faults and issues for discussion, including problems with shock absorbers, steering, and engine components. | ||
| View original record | Extract from E.P's ltr. H S A .7.10.20 X.30146 -2- 1. 'Manon car. Very bad even with long prop. has same faults. Note difference with and without shock absorbers. Shock absorbers. Note particulars… | ||
| scan 138 | Generator cut-in speeds and battery issues, with a recommendation for the Bijur machine. | ||
| View original record | R.R. 285a (100 T) (S H 159. 11-8-20) G. 2800 X 3074 b Extract from Oy/3/G7.10.20. X.4206. Re: Exide Batteries. ----------- X.3014b. X.3878. We have numerous cases on imported cars where the car is… | ||
| scan 139 | Noise issues with the Lucas Dynamo E.575, related to substituting aluminium end frames for cast iron ones. | ||
| View original record | R.R. 938a. (100 T)-S. G. 643. 19-2-20; G 2618 By. from Wd. c.to EFC. c.to Da. c.to Me. OCT 11 1920 RECEIVED X.30146 Wd2/NJ11.10.20. X30146 Lucas Dynamo. E.575. When Mr.Ireland, of the Lucas Electrical… | ||
| scan 140 | Material change from cast iron to aluminium for a Lucas dynamo end cover and its effect on noise. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP182865 X 3014 B. Wd. from BY. C. EPC. C. Des. C. Ms. STAMP: RECEIVED C OCT 13 1920 BY6-P12.10.20. RE LUCAS DYNAMO. X.3014 B. RE QUESTION OF SILENCE AS AFFECTED BY THE… | ||
| scan 141 | Technical note discussing the engineering priority of quietness over high power. | ||
| View original record | WJB.OT.S19-SYU WWH KY 190 AY/OVS/D 27.5.30 REVISED be one which maintains quietness as the first essential. BY. ...I do not consider that suggestions of the chassis are without... ...should have… | ||
| scan 142 | Material change for the Lucas Dynamo E.575 end frame, reverting from aluminium back to cast iron. | ||
| View original record | H.R. 968a (100) (T) (S.G.0) 10-2-20 2618/1920 [Stamped] By. from WG c. to EFC. c. to Hs. c. to Da. c. to Ms. RECEIVED. X 3074 G. Wd5/NJ13.10.20. X 3074 G Lucas Dynamo. E.575. I confirm mine… | ||
| scan 143 | Trade-off between reducing the maximum output and achieving silence for the Lucas E.575 Dynamo. | ||
| View original record | X.30146 EFC5/T20.10.20. To Wd. from EFC. c. to Ev. c. to EP. c. to Wor/Mr. Brock. X. 3014b - LUCAS E.575 DYNAMO SILENCE. With reference to your verbal enquiry as to whether we could allow the maximum… | ||
| scan 144 | Investigation into the cause of singing in a Lucas E.575 dynamo and a potential solution. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.3014b 91417 ROLLS-ROYCE LIMITED. INSTRUCTIONS. I To: S. + C. Customer's No.: TC H Re: X.3014b X.294 Singing of Lucas E.575 dynamo. Investigations in the… | ||
| scan 145 | Instructions on how to eliminate or minimize a singing noise from the dynamo. | ||
| View original record | R.R 300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 91418 To Order No. Customer's No. 1.C.92 Re speed before the singing is produced. The singing may be entirely removed by… | ||
| scan 146 | Instructions regarding a singing noise from the control brush at approximately 800 RPM. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 91419 To III 19 Order No. Customer's No. 7C. 93. Re The Control brush (say one com. seg.) The Singing strains at its maximum… | ||
| scan 147 | Observations on machine noise related to bearing condition and dynamo performance. | ||
| View original record | RR.300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 91420 To ___________ Order No. ___________ Customer's No. F.C.94. Re ___________ IV 19__ The observations already described… | ||
| scan 148 | Material change of an end cover for a Lucas Dynamo and the communication procedure with the supplier. | ||
| View original record | X.3074b. To WB from DA. Copy to MC. Copy to EFC. RECEIVED Re Lucas Dynamo. DA1/CB20-10-20. X.3014b With reference to the various correspondence that has been taking place regarding the above,… | ||
| scan 149 | The cause and mitigation of 'singing' in a Lucas E.575 dynamo. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to En. c. to Da. c. to PN. c. to Hy. c. to EP. X 3014b EFC5/T21.10.20. 6 2 X.3014b - LUCAS E.575 DYNAMO SINGING. X.294 In the case of the E.575 dynamos, the… | ||
| scan 150 | Observation report on machine singing issues related to bearings and control brush positioning. | ||
| View original record | Contd. -2- EFC5/T21.10.20. same speed and output for different positions of the control brush. These observations were made on a machine with good bearings. A machine was afterwards put on in which… | ||
| scan 151 | Cover letter forwarding a report from America regarding chassis troubles and electrical systems on post-war cars. | ||
| View original record | EWT. to EFC. RECEIVED X30/46 EWT/HJC7/G22.10.20. Re: New Chassis Troubles. Electrical Outfit on Post War Cars. Attached hereto is copy of letter Oy2-G.71020 addressed to CJ. from America. If you have… | ||
| scan 152 | Troubleshooting dynamo charging issues on Post War Cars, specifically regarding the cutting-in speed. | ||
| View original record | J.S. RECEIVED OCT 18 1920 Oy2 - G 71020 Oct. 7, 1920 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Dear Sir:- X.30146 Re: New Chassis Troubles Electrical Outfit on Post War… | ||
| scan 153 | Letter to Mr. Claude Johnson regarding dynamo troubles on older cars, suggesting belt issues are the common cause. | ||
| View original record | Oy2 - S 71020 Oct. 7, 1920 Mr. Claude Johnson - 2 The electrician here tells me that the same troubles are experienced with the Bosch, Westinghouse and other types of dynamos fitted to old type cars,… | ||
| scan 154 | Letter discussing issues with battery charging on post-war cars and comparing generator performance to American vehicles. | ||
| View original record | X.3014b Cy2/G - 23.10.20. Oct. 23, 1920. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention, Mr. Bailey. Dear Sirs;- Re: Running down of Batteries on Post War Cars.… | ||
| scan 155 | Letter concerning difficulties with Lucas generators and a request for replacements from Derby. | ||
| View original record | Contd. -2- Qy2/G - 23.10.20. We should like to hear from Mr. Bailey when Derby can send us generators which will obviate the difficulties experienced with the present Lucas. Very truly yours, ROLLS… | ||
| scan 156 | Test results on the effect of retarding the control brush on Lucas E575 dynamo output. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.3014.G. 91428 ROLLS-ROYCE LIMITED. INSTRUCTIONS. I To: S.F.C. Customer's No.: T.C. 102 Date: 25/10/20 Order No.: Re: X.3014.G. Effect on out put of Lucas… | ||
| scan 157 | Instructions detailing test results for dynamos R1869 and R2159. | ||
| View original record | RR 380 (120B) (SF 349 24-1-19) MP 200552 91429 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No. Customer's No. 7C. 103 Re Dynamo NO. R1869. Fully hot Control bush fully retarded. 11.7 Amperes at… | ||
| scan 158 | Technical memo discussing the late cutting in point of the dynamo on post-war cars. | ||
| View original record | x3014b To EWT. from EFC. EFC5/T25.10.20. X.3014b. RE ELECTRICAL EQUIPMENT ON POST-WAR CARS. X.516. X.3770. X.3654. In answer to your EWTHJC/G22.10.20, our remarks on this letter Oy2/G7.10.20, of… | ||
| scan 159 | Dynamo cutting-in speed, RPM, and the effect of third brush adjustment. | ||
| View original record | Contd. -2- We do not agree that 15 M.P.H. is the best and lowest cutting in speed that can be obtained. With the dynamo in the cold condition and the battery at 12.4 volts, the dynamo cutting in is… | ||
| scan 160 | Relaying a response from Lucas Electrical Co. Ltd. regarding noise and output of the E.575 Dynamotor. | ||
| View original record | EFC. from Wd. c.to By. c.to EF. c.to Ms. c.to Hor/Brock. RECEIVED 8 NOV 1920 X.3014 b. Wa1/NJ3.11.20. X3014 b. Lucas E.575 Dynamo Silence. The remarks in yours EFC5/T20.10.20 were duly communicated to… | ||
| scan 161 | Testing procedures for a low output Lucas E.575 Dynamo. | ||
| View original record | To By. from EFC. c. to By/Mr. Brock. X.3014b EFC1/T4.11.20. X.3014b - LUCAS E.575 DYNAMO. With reference to our EFC5/T20.10.20, we are awaiting from Mr. Brock a dynamo which is particularly low in… | ||
| scan 162 | Electrical system failures, wiring issues, and luggage carrier fixing. | ||
| View original record | X.3014b Contd. -3- Extract EP6/F11.11.20. X.3614. Re. American Visit (5) FAILURE OF ELECTRICAL SYSTEM. X.3878. X.2515. X.4162. X.3014b. X.1925. Dynamos have given trouble the chief fault being the… | ||
| scan 163 | Performance graph comparing the ampere output of various dynamos at different speeds and temperatures. | ||
| View original record | X3014h AMPERE OUTPUT DYNAMO SPEED (R.P.M.) LUCAS E 575 (HOT) AVERAGE OF THREE SMITH 2D (HOT) (AVERAGE OF THREE) SPECIFIED PERFORMANCE (HOT) ROTAX COLD ROTAX FULLY HOT ROTAX FIELD CURRENTS ROTAX AT12… | ||
| scan 164 | The reverse of a document with handwritten annotations, a partial label, and a company date stamp. | ||
| View original record | EFC B/1497 GENERAL [...] FORA[...] ALL DI[...] DIMEN[...] ROLLS-ROYCE LIMITED DEC 17 26 DERBY | ||
| scan 165 | Letter from Rolls-Royce of America discussing discrepancies and improvements for noisy Lucas dynamos on post-war cars. | ||
| View original record | X30146 Oy9 - G 121120 Nov. 12, 1920 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Mr. Clarke. X.4165 X.3770 X.4211 X.30146 Dear Sir:- Re: Electrical Equipment on… | ||
| scan 166 | Guide on how to cure noise from Lucas dynamos by adjusting the control brush. | ||
| View original record | X30146 20th August, 1920 No. 105 X.30146 X 4211 RE. NOISY LUCAS DYNAMOS One of the chief complaints we have had against the above dynamo is that of noise. The noise referred to is that which is most… | ||
| scan 167 | Summary of output results in Amperes from Lucas E.575 dynamos at various speeds. | ||
| View original record | X.3014 G. 16.11.20. SUMMARY OF OUTPUT RESULTS FROM LUCAS E.575 DYNAMOS. Amperes. Speed. | 6.5.19. | 23.1.20. | 28.5.20 and 1.6.20. | Average. --- | --- | --- | --- | --- 725 | 0 | 0.80 | 0.40 | .40… | ||
| scan 168 | Instructions detailing the field circuit current and resistance for a Lucas E575 dynamo. | ||
| View original record | RR 388 (120B) (SF 349 24-1-19) MP 200552 X.30146. 91466 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. 17/11/20. Order No.: Customer's No.: F.C. 137. Re: X. 30146. Current in field Circuit of Lucas… | ||
| scan 169 | Performance of the Rotax Type A.T. 12 dynamo and other inherently controlled dynamos. | ||
| View original record | Set of curves attached to Original. To R. from EFC. c. to CJ. c. to E. c. to Hn. c. to PN. c. to Ds. c. to Hy. c. to M.W.L. for Cy. X.3014b EFC1/T17.11.20. X.1005. ROTAX TYPE A.T. 12 DYNAMO AND OTHER… | ||
| scan 170 | Performance evaluation and construction overview of a four-pole dynamo, deeming it unsuitable for purpose under hot conditions. | ||
| View original record | R.R. 583A (196 T) 1M 11-8-20 G. 2809 Contd. -2- EFC1/T17.11.20. For the fully hot condition and for the latter portion of the curve the performance is not good, as will be seen on inspection of the… | ||
| scan 171 | Comparison of the performance curves for Lucas, Smith, and Rotax dynamos. | ||
| View original record | Contd. -3- EFC1/T17.11.20. performances of the Lucas and Smith machines controlled in their respective manners and for this purpose we have drawn curves of these other performances on the same sheet… | ||
| scan 172 | Continuation of a report discussing results for the U.S.A. Bosch dynamo. | ||
| View original record | Contd. -4- EFC1/T17.11.20. is reduced as the speed increases. We shall shortly have results to issue for the U.S.A. Bosch dynamo which is con-trolled similarly. EFC. | ||
| scan 173 | Dynamo's performance and battery charging requirements under different driving conditions. | ||
| View original record | X30146 Rolls Royce of America Inc. Springfield. Mass. By2/P25.11.20. Attention of Oy. X. 294. DYNAMO. X. 3014b. X. 3878. X. 4030. X. 4162. X. 3231. X. 3564. X. 664. X. 4211. Referring to your memo… | ||
| scan 174 | Comparison of Bosch, Lucas, and Bijur dynamo systems, discussing their performance and voltage ratings for use in the cars. | ||
| View original record | Contd. -2- By 2/P25.11.20. In this connection I would like to point out that the Bosch dynamo received from America is poor and would not give as consistent results as the Lucas. This remark is based… | ||
| scan 175 | Final position on the car's dynamo, highlighting the need for extensive testing. | ||
| View original record | Contd. -3- By 2/P25.11.20. The final position in regard to this matter is, that we feel that the dynamo for our car demands very careful and close attention and very elaborate testing out before it… | ||
| scan 176 | Test report on the effect of changing the control brush position on the balancing speed of a Lucas E.575 Dynamo. | ||
| View original record | X 30146 EFC/T7.12.20. X 30146 EFFECT OF CHANGING POSITION OF CONTROL BRUSH ON BALANCING SPEED OF LUCAS E.575 DYNAMO. X4211 Original position of control brush - makers' setting. (Makers setting is .3"… | ||
| scan 177 | Proposing an experiment to reduce noise from a Lucas dynamo by fitting a rigid metal clamp around its carcase. | ||
| View original record | X.C014-G To Hs/TMW. from EFC. c. By. c. EP. c. Day c. RH. c. Wd. EFC1/T9.12.20. X.3014b - NOISY LUCAS DYNAMOS. Have we at the present moment a noisy Lucas E.575 dynamo on one of the experimental cars… | ||
| scan 178 | Test results on Lucas dynamos regarding electrical equipment for post-war cars. | ||
| View original record | for To EWT. from Oy. c. EP. X3014b X.3014b. X.3770.✓ X.4185.✓ EFC1/T13.12.20. X.3958. X.4211. RE ELECTRICAL EQUIPMENT ON POST-WAR CARS. Reference your note EWT/HJC10/G20.11.20, with attached copy of… | ||
| scan 179 | The operating voltage specifications for a Lucas electrical cutout, comparing cold and hot conditions. | ||
| View original record | Contd. -2- EFC1/T13.12.20. went out with the spring control of the cutout adjustable, but that latterly these have gone out with the adjustment soldered up by the makers. x.3958. We attach for MR.… | ||
| scan 180 | Continued memo regarding adjustments to correct late operation, mentioning potential issues with soldering and cutouts, and seeking clarification from a Mr. Olley. | ||
| View original record | R R. 732A. 100 T. (S H. 159, 11-5-20) G. 1900 Contd. -3- EFC1/T13.12.20. that some of the vases referred to of late operation are due to this cause and could be improved as suggested by Mr. Olley by… | ||
| scan 181 | Technical memo proposing the use of a Lucas A400 dynamo for charging at very low speeds. | ||
| View original record | X 30746 EFC1/ATS.1.21. x3076a/1 RE DENSHAW & SORABJEE. Dynamo for charging at very low speeds. With reference to Sales' note Db18/MH4.1.21, herewith The only suggestion we can put forward for a dynamo… | ||
| scan 182 | Query regarding a customer's request from India for a dynamo to charge at very low speeds on a chassis. | ||
| View original record | S/W. Db18/MH4.1.21. RE DINSHAW & SORABJEE. We have received erection instructions from India for a chassis on order for these customers, and amongst other items, they stipulate that the dynamo should… | ||
| scan 183 | Cause and potential solution for a noisy Lucas dynamo. | ||
| View original record | R.R. 235A (100 T) (S.H. 139. 11-8-20) G. 2800 X.3014G To Ds. from EPC. c. EP. Hy. Hw/TMW. Ds/Dir. EPC1/AT12.1.21. X.3014b. NOISY LUCAS DYNAMOS. Mr. Platford has demonstrated to us this afternoon, a… | ||
| scan 184 | Cabled reply about dynamo choices, recommending to continue with Lucas for the time being. | ||
| View original record | X3014b By 9/H 12.1.21. EFC. c. Experimental Dept. c. MS. c. Mr. Booth. X.3526. X.3014b. X.4173. X.3764b. With reference to the Dynamo for "P" series, which will of course include the Wiring and Switch… | ||
| scan 185 | Instructions regarding the exchange of Lucas dynamos and noting one is electrically noisy. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.3014b 95144 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No.: Re: X 3014 b. Customer's No.: F.D. 19. Date: 21/1/21 Lucas dynamos. We have handed over… | ||
| scan 186 | Sending a noisy Lucas E.575 dynamo for testing on car 2 EX to demonstrate hum removal. | ||
| View original record | X3014 To RHC. from EFC. c. HS/TMW. c. Da. c. EP. c. EV. EFC3/T21.1.21. X.3014 - LUCAS DYNAMOS. X 3443 We are sending in to you a Lucas E.575 dynamo which Mr. Platford has passed over to us from one of… | ||
| scan 187 | Query regarding the choice between ordering Lucas dynamos or using an R.R. scheme for chassis wiring. | ||
| View original record | X 3014-G EFC R.R. 2832 (100 T) S.H. ss. 22-7-20) G. 1729 Hs. from BY. C. Ms. (struck through) C. EFC. RECEIVED JAN 2P 1922 BY6-P28.1.21. CHASSIS - WIRING GENERAL. --------------------- In view of your… | ||
| scan 188 | Request for a report on the test results for a noisy Lucas dynamo fitted to car 2-EX. | ||
| View original record | X3014 F.R. EFC. EP/Thn7/F11.2.21. X.3014. LUCAS DYNAMOS. X 3743 With reference to your memo. EFC3/T21.1.21, to RHC, copy of which we have, we shall be glad to hear from you what is the result of the… | ||
| scan 189 | Responding to an enquiry about a test on a noisy Lucas Dynamo on car 2-EX. | ||
| View original record | To EP. from EFC. c. to Hs. c. to RHC. X3014 EFC1/T18.2.21. X. 3014 - LUCAS DYNAMO. X. 3743. In answer to your EP/Thn7/F11.2.21 enquiring of the result of the test taken with noisy dynamo on 2-EX, we… | ||
| scan 190 | Prices and availability for various Lucas, Smith, and Rotax dynamo models. | ||
| View original record | To Wd. from EFC. c. to Ms. X.30146 EFC5/T14.3.21. X.294 - DYNAMOS FOR LARGE AND SMALL CARS. Would you kindly let me know the present price we are paying for Lucas E.575 dynamos in quantities for the… | ||
| scan 191 | Copy of a letter from The Lucas Electrical Company Ltd. regarding the performance of and improvements to electrical equipment for 20 HP and 40.50 HP cars. | ||
| View original record | X.3014b. COPY OF LETTER RECEIVED FROM :) THE LUCAS ELECTRICAL COMPANY LTD., WELL STREET, BIRMINGHAM. April 7th 1921. Our ref. CLB/1. Messrs. Rolls-Royce Ltd., Nightingale Road, X.4338 X.3014b. X.4165… | ||
| scan 192 | Letter discussing a manufacturing collaboration, detailing advantages and progress on the 40.50 HP car. | ||
| View original record | -2- Contd. In view of this it was suggested that we should collaborate with you regarding the design of your equipment, that we should discuss fully details and requirements, you stipulating the… | ||
| scan 193 | Comparing the price and performance of Rotax, Lucas, and Smith dynamos. | ||
| View original record | x3014b (handwritten) To R. from EFC. c. CJ. c. E. EFC5/TS.4.21. X.1005 - ROTAX DYNAMO. x295 x3014b (handwritten) The price of the Rotax A.T.12 dynamo is £13.10.0 less 20%. Weight 27 lbs. Present… | ||
| scan 194 | Failures and complaints regarding Lucas electrical fittings on post-war chassis. | ||
| View original record | X.3014 ATR HS [STAMP: RECEIVED 1921] [STAMP: A.T.] EP25/F11.ROL Wd. from HP. C. to Wor. C. to EFC. C. to C.H. C. to Ly. C. to Hs. X 3770 ✓ X 3014 X 3749 RE. LUCAS ELECTRICAL FITTINGS FOR OUR POST WAR… | ||
| scan 195 | The failure of fuse wire connections and the need for an in-house improvement. | ||
| View original record | -2- continual blowing of the fuses. 3. Failure of fuse wire connections. This is certainly one of the most serious troubles we have had, about which I have complained previously, and which I also… | ||
| scan 196 | Bakelite mouldings and a terminal insulating plate produced by Lucas Electrical Co. Ltd. | ||
| View original record | X 3014 b R. from Wd. c.to SJ. c.to Mr. c.to Bx. c.to Hs. c.to EPS. c.to Ev. c.to Pl. Wd9/NJ/12.4.21. X3513 Lucas Electrical Co. Ltd., Birmingham. X 3014 b I confirm mine Wd5/NJS/8.4.21. We are in… | ||
| scan 197 | Correspondence regarding the overhaul and testing of a Dynamo Type E.575, including a report from Lucas Electrical Co. Ltd. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. [Distribution List: Mr. from Hd., c.to Hd., c.to Mr., c.to EFC., c.to By. - all recipients are struck through] X.30146 Wd8/NJ12.4.21. X.30146… | ||
| scan 198 | Improved Bakelite Terminal insulating plate and awaiting instructions for Lucas Electrical Co. on a dynamo renovation. | ||
| View original record | R.R. A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. - 2 - Wd8/NJ12.4.21. No.2. Sample of Bakelite Terminal insulating plate, which we mould ourselves. All your machines are now fitted with this and we… | ||
| scan 199 | Modifications for a Lucas Dynamo Type E.575, specifically the flexible covering and brushes. | ||
| View original record | X 3014 B BY/Mtn16/H. 14. 4. 21. RECEIVED c. EFC. X 30146 RE DYNAMO TYPE E.575. No.R. 1714A Referring to your memo Wd8/NJ. 12. 4. 21. and report from the Lucas Elec. Co.Ltd. on the above dynamo, we… | ||
| scan 200 | Copy of a letter from The Lucas Electrical Company Ltd. regarding a dynamo for the Goshawk II engine. | ||
| View original record | X 3014b Copy of letter received from :- THE LUCAS ELECTRICAL COMPANY LTD., WELL STREET, BIRMINGHAM. CLB/1. April 18th 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, X.4359. For… | ||
| scan 201 | Summary of the position of electrical equipment, specifically dynamos, for the 40/50 and Goshawk chassis. | ||
| View original record | X.30146 To By. from EFC. a. " Bn. " Da. " E. " Hy. " Hm. " Hs. " C. " CJ. To EWT. for R.R.Inc. " BJ. " Wd. " PN. " Wor. " FP. " R. SUMMARY OF POSITION OF ELECTRICAL EQUIPMENT FOR 40/50 AND GOSHAWK… | ||
| scan 202 | Comparative analysis of various dynamo models and their suitability for use in cars. | ||
| View original record | Contd. -2- EFC4/T21.4.21. The balancing speed above mentioned corresponds, with a suitable belt drive ratio of 1.56, to an R.P.M. of the dynamo of 540. The corresponding figure for the cold condition… | ||
| scan 203 | Review of dynamo options from Messrs. Lucas, discussing performance issues like 'singing' and proposed modifications. | ||
| View original record | Contd. -3- EFC4/T21.4.21. speeds would amply comply with our requirements, but it would not have the falling off of current at high speeds such as we think is right, and further, would be subject to a… | ||
| scan 204 | The testing and specifications of the Smith 2D Dynamo. | ||
| View original record | Contd. -4- EFC4/T21.4.21. Smith 2D Dynamo. For some considerable time now we have been experimenting with type 2D machines made by Messrs. Smith, and a number of these have been fitted and run on… | ||
| scan 205 | Comparison of Smith, Lucas, C.A.V., and Rotax dynamos and their respective cutouts. | ||
| View original record | Contd. -5- EFC4/T21.4.21. cutouts we know. If the Smith dynamo were standardised no doubt the Smith cutout would be standardised with it. Quoted price of the Smith cutout £1.13.9 Quoted price of the… | ||
| scan 206 | The performance, cost, and design considerations of an experimental dynamo made from starter motor parts. | ||
| View original record | Contd. -6- EFC4/T21.4.21. Although this particular machine has a very early cutting in point, and in this respect satisfies our specification perhaps too readily, nevertheless the output in the hot… | ||
| scan 207 | Comparison of different dynamo models for small and large cars, detailing specifications and prices. | ||
| View original record | Contd. -7- EFC4/T21.4.21. Dynamo for Small Car. There is a smaller Rotax dynamo than the A.T.12 listed, namely, A.T.4, or called A.T.8 if with flange fixing. The lowest balancing speed of this machine… | ||
| scan 208 | The design and production cost of a dynamo for the Goshawk engine. | ||
| View original record | Contd. -8- EFC4/T21.4.21. R.R. Dynamo for Goshawk. The R.R. design of dynamo has been got out and is nearly fully instructed to the Expl. Shop. The cost of production of this dynamo in the R.F. works… | ||
| scan 209 | Suitability of Large A.400 Lucas Dynamos compared to the standard E.575. | ||
| View original record | X 3014b. To EY. from EFC. EFC9/T6.5.21. X.3014a - LARGE A.400 LUCAS DYNAMOS. In answer to yours Ey2/F6.5.21, we have two of these machines in the Expl. Dept. which will be available for this purpose.… | ||
| scan 210 | Recommendation to cease using Lucas electrical equipment due to persistent failures with dynamos, cutouts, and fuses. | ||
| View original record | X3014 To Wd. From R. c. to CJ. c. to Wor. c. to EFC. R3/G9.6.21. X.3014. RE THE LUCAS ELECTRICAL CO. LTD., BIRMINGHAM. X.4168. (WDS/NJ8.4.21) X.4172. I should not recommend for a moment that we go on… | ||
| scan 211 | Urgent need to source satisfactory electrical equipment, rejecting Lucas parts and suggesting alternatives from Smith, Bleriot, or the U.S.A. | ||
| View original record | x3014.b To Wor. from R. copies to Hs. Wd. R18/H13.6.21. X.4215 X.3014b. X.295 X.4215 X.4172 X.4173 BJ. telegraphed to you to-day as attached. Every endeavour should be made immediately to obtain a… | ||
| scan 212 | Copy of a telegram from Basil Johnson in London to Roycar in Derby concerning electrical equipment stock. | ||
| View original record | X3014b H.R. 231c (100 T.) (S.H. 798, 10-12-20) G. 2948 COPY OF TELEGRAM RECEIVED FROM LONDON ON 13.6.21. ROYCAR DERBY. UNDERSTAND YOU HAVE SOME ELECTRICAL EQUIPMENT IN STOCK STOP MR ROYCE DOES NOT… | ||
| scan 213 | Extract from a conference discussing dynamo voltage control experiments and supply modifications with Lucas Elect. Co. | ||
| View original record | X.3014 G Extract from MINUTES OF CONFERENCE OF JUNE 13th 1921. X.1402. X.4374. Mr. Breeden further stated that, inspired by the requirements of R.R., they have been experimenting for some time on… | ||
| scan 214 | Extract from a conference minute regarding issues with a dynamo's cutting-in speed and interactions with Lucas Electrical Co. | ||
| View original record | X3014b Extract from MINUTES OF CONFERENCE OF 13th JUNE, 1921. DYNAMO X.3014a. X.3014b. X.4060. 43 X.252. X.294. Cutting-in speed. We have for a considerable time complained that the cutting-in speed… | ||
| scan 215 | Expressing dissatisfaction with Lucas dynamos and cutouts, and considering alternatives from Smiths and Bleriot. | ||
| View original record | To EFS. from R. Copy to Mr. Mon. [Stamp: RECEIVED 18 JUN 1921] X3014G R10/G14/6/21. X4165 RE LUCAS ELECTRICAL EQUIPMENT. X4352 X295 X3014Z My instructions are that we do not fit any more lucas… | ||
| scan 216 | Klaxon switches and Dynamo/Cutout systems for cars returned from America. | ||
| View original record | R.R. 335a (100 T) R.H. 785. 11-15-20. G 2547 x 3014b Extract from RL/G17.6.21. X.3764 - REPORT ON 4 EX RETURNED FROM AMERICA. (8) KLAXON SWITCH. X.4202. Regarding the Klaxon switch, we are using the… | ||
| scan 217 | Blame for the failure of Lucas electrical equipment on cars. | ||
| View original record | X3014b To CJ. from R. c. to Wor. c. to Wd. c. to Hs. c. to By. c. to Da. c. to EFC. X.4165 X.3014b. RE LUCAS ELECTRICAL EQUIPMENT. Mr. Whitehead infers that a good deal of blame due to the failure of… | ||
| scan 218 | Unsatisfactory equipment purchased from the Lucas Company. | ||
| View original record | Contd. -2- R3/G18.6.21. I cannot see, therefore, that there is any ground for excusing the Lucas Company, although we can blame ourselves for allowing ourselves to purchase bad equipment, and to go on… | ||
| scan 219 | Meeting with Mr. Royce concerning issues with Lucas accessories and a new cut-out design. | ||
| View original record | R.R. C499(T) (S.C. 558, 15-3-16) G. 1515. X.3014b Memo from BY. To. WGC. Hs. BY6-P20.6.21. X3014/RECENT VISIT OF HS & BY TO MR ROYCE. X4165 RE QUESTION OF LUCAS ACCESSORIES. X3770 X4349 With reference… | ||
| scan 220 | Modified Dynamo, a cut-out, and the performance of the supplier, Lucas. | ||
| View original record | BY6-P20.6.21. contd. - 2 - In regard to the question of the modified E.575 Dynamo, here again Mr Royce would not discuss matters at all, but argued that they had been sufficiently long on the job to… | ||
| scan 221 | Confirming a meeting with Lucas Electrical Co. Ltd. to discuss electrical equipment. | ||
| View original record | R.R. page (to T.)(S.H. q5S. 22/2/21.) Bno. 59857d. X.3014G- Wor., from Wd. c.to Hr. c.to Hs. c.to EFC. c.to By. X.3014G Lucas Electrical Co.Ltd. Wd8/NJ21.6.21. Following a conversation I had with Wor.… | ||
| scan 222 | Minutes of a conference with Lucas Electrical Co. Ltd. discussing issues with their electrical equipment. | ||
| View original record | X30146 MINUTES OF CONFERENCE. HELD AT THE OFFICES OF Messrs. Rolls-Royce Ltd. Derby. June 22nd 1921. Present:- Representing Rolls-Royce Ltd.. Mr. Wormald, Col. Harker Mr. Hives Mr. Clark Mr. Bailey… | ||
| scan 223 | Summary of agreements with Lucas regarding the modification and supply of various automotive electrical components. | ||
| View original record | -2- Contd. important to effect the change as quickly as possible to this longer model. Mr. Lucas understood to send to Mr. Whitehead the estimated cost of converting existing machines held in stock by… | ||
| scan 224 | Notification of the receipt of six sets of E.G.O. Lucas dynamo brushes. | ||
| View original record | X 3014 lr. R.R. 282c (150 T) (S.H. 798, 10-12-20) G. 2248 EFC/T30.6.21 X. 3945. DYNAMO BRUSHES. X. 3014a. We have to-day received six sets of E.G.O. Lucas E.575 dynamo brushes. EFC. | ||
| scan 225 | Trial of new E.G.O Morganite brushes for the Lucas E.575 dynamo. | ||
| View original record | To EP/Mx. from EFC. " Mr. Coverley. c. Hs. c. Da. c. By. x30146 EFC4/T1.7.21. x30146 X.3945 - E.G.O MORGANITE BRUSHES FOR LUCAS E.575 DYNAMO. We are handing to Mr. Coverley and Mr. Maddox two sets… | ||
| scan 226 | Contractual issues and dissatisfaction with electrical equipment from the Lucas Company. | ||
| View original record | X3014b To C.J. from R. c. to Works Committee. c. Hs & EFC. Rl/G1.7.21. X.4165 RE ELECTRICAL EQUIPMENT - PARAGRAPH 5 & LONG X.3014b. PARAGRAPH OF MINUTES OF WORKS' COMMITTEE X.4352. MEETING OF 27.6.21.… | ||
| scan 227 | Review of potential issues with a 1-inch longer dynamo, brush holders, a cutout, and fuses. | ||
| View original record | Contd. -2- RL/G1.7.21. have not seen any of the practical parts which are intended should replace the defective ones. I am not sure that the 1" longer dynamo has been run long enough to see whether it… | ||
| scan 228 | Continued discussion on dynamo reliability, proposing solutions and noting issues with batteries and belt tension. | ||
| View original record | Contd. -3- RL/G1.7.21. To carry two loaded spares does not meet want of reliability. My own impression is that the lengthening of the dynamo and the cutting-in at the earlier speed is not the real… | ||
| scan 229 | Unreliability of Lucas electrical equipment and proposing the purchase of American dynamos as a more cost-effective solution. | ||
| View original record | X30146 To WJ. from R. c.c. to Works Committee c.c. to Hs. & EFC. R10/G2.7.21. X.4165. X.3014b. X.2515. X.4352. X.3945. X.294. FURTHER NOTES RE LUCAS ELECTRICAL EQUIPMENT TO BE READ WITH THOSE OF… | ||
| scan 230 | Typed report on the poor performance of Lucas electrical graphite and the reliability of fuses. | ||
| View original record | R10/G2.7.21. -2- Contd. by Lucas were wearing badly. Apparently the ones to be supplied in future are Le Carbone electrical graphite marked E.G.O. What is the make and brand of those that have failed… | ||
| scan 231 | The supply, alteration, and costs of Lucas dynamos for the 40/50 HP chassis. | ||
| View original record | X3014b Extract from Wd5/NJ/7.7.21. X.4165 - RE ELECTRICAL EQUIPMENT. X.3014b. X.4352. Electrical Equipment of 40/50 h.p. Chassis. Dynamo. I informed the Lucas Co. that we are not prepared to accept… | ||
| scan 232 | Dynamo supply negotiations with Lucas, covering pricing, specifications, and quality assurances. | ||
| View original record | -2- Contd. expressed with the whole installation, including the dynamo, would be reduced more than is realised, and probably the dynamo E.575 model now in use might be considered satisfactory in the… | ||
| scan 233 | Unsatisfactory output of the Lucas Dynamo and proposing a 1' longer version for the 40/50 chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EWT. for R.R. Inc. X30146 X.4211 X30146 DYNAMO FOR 40/50 CHASSIS. X4352 From experience we cannot agree that the output of the present Lucas… | ||
| scan 234 | Impact of changing axle parts on dynamo cutting-in speed. | ||
| View original record | Contd. -2- HS8/LCS.7.21. ********** It will be noticed that changing the axle parts from 16 X 52 to 14 X 52 we get nearly the same advantage in cutting-in earlier as we do if we fit the 1" longer… | ||
| scan 235 | The efficiency testing of a rewound Lucas Dynamo armature. | ||
| View original record | X.3014b. 21st. July, 1921. Mr. Broek. X.3014b. - LUCAS DYNAMO R.1646. - ARMATURE REWOUND BY R.R. I have tested this armature and compared it with several others at various speeds and temperatures and… | ||
| scan 236 | Rewinding and testing of a Lucas lighting dynamo armature. | ||
| View original record | S S 361A (100 T) (S.H. 119. 11-8-20) G. 9800 X.3014b. BYD 22.7.21. X.3014b. - LUCAS DYNAMO. It will perhaps interest you to know that we have rewound a Lucas lighting dynamo armature using less copper… | ||
| scan 237 | Instruction sheet comparing the electrical resistance of R.R. and Lucas windings on a Lucas armature core. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.3014b ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B.11. Customer's No. X 3014 Aug. 8th. 1921 Comparison of Resistances of R.R. and Lucas… | ||
| scan 238 | The performance comparison of a re-wound Lucas E.575 dynamo armature against the standard winding. | ||
| View original record | X. 3014G- To Sft. from EFC. c. Wor. EFC5/T11.8.21. X.3014b - LUCAS E.575 DYNAMOS. With reference to the dynamo recently handed over to us by Mr. Gemble, the armature of which he had re-wound, claiming… | ||
| scan 239 | Technical discussion on modifying the winding specifications of an armature for a Lucas dynamo. | ||
| View original record | Contd. -2- EFC5/F11821. All things considered, we think it would be much more to the point if Mr. Gamble wound up an armature on the same scheme of winding, but with a larger number of conductors of… | ||
| scan 240 | Typed memo discussing the return of a dynamo and providing instructions to a Mr. Gamble. | ||
| View original record | Contd. -3- EFC5/T11.8.21. We will return the dynamo to Mr. Gamble, and we shall be glad if you will give him instructions to carry out the suggestion proposed. E.F.C. EFC. | ||
| scan 241 | Test results for R.R. Wound Lucas Dynamos, recording performance metrics over time. | ||
| View original record | X3014b Filed 18.8.21. X.3014b - R.R. WOUND LUCAS DYNAMO. Time | Amps | Volts | Temp. C | Speed --- | --- | --- | --- | --- Dynamo no 1646, armature 1646 2.0 | 11.5 | 16 | 46° | 1300 2.30 | 11.5 | 16 |… | ||
| scan 242 | Request to inspect and report on the condition of E.G.C. Morganite brushes fitted to E.575 dynamos. | ||
| View original record | X3014b To EP. from EFC. EFC1/T7.9.21. V304 b X.3945 - E.G.C. MORGANITE BRUSHES ON E.575 DYNAMOS. Further to our EFC5/T15.8.21 and your reply EP/Thn6/H16.8.21, as it is now necessary to approve, if we… | ||
| scan 243 | Re-test of a lengthened Lucas dynamo and advising against its use due to potential issues. | ||
| View original record | To EFC. from R c. to CJ. c. to Wor. c. to By. X3014 l R12/09.11.21. X.4352. RE TEST OF LENGTHENED LUCAS DYNAMO. X.3014.b X.4211. Thank you for sending the photos referring to the Lucas dynamo test. To… | ||
| scan 244 | Instruction sheet detailing the power required to drive a Lucas E575 Dynamo. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.30146 95289 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Order No: X.30146. Customer's No.: 7D.161. Re: X.30146. Power required to drive Lucas E575 Dynamo.… | ||
| scan 245 | Test results for the power required to operate a Lucas E.575 dynamo. | ||
| View original record | X.3014b To By/HEB. from EFC, EFC3/T11.11.21. X.3014b - LUCAS E.575 DYNAMO - POWER REQUIRED TO OPERATE. We have made a test on the amount of power required to drive the standard Lucas dynamo. This… | ||
| scan 246 | Unsuccessful test to improve a Standard Lucas E.575 Dynamo by altering its winding. | ||
| View original record | To R. from EFC. c. to CJ. c. to Ry X3014b EFC3/T15.11.21. X.3014b- STANDARD LUCAS E.575 DYNAMO It occurred to us that the performance of the standard Lucas E.575 dynamo might be made more nearly… | ||
| scan 247 | Letter to Chloride Elec. Storage Co. Ltd. enclosing volt-ampere characteristic curves for a Lucas E.575 dynamo. | ||
| View original record | X.30146 EFC1/T. 8th March, 1922. The Chloride Elec. Storage Co. Ltd., Clifton Junction, Nr. Manchester. For the attention of Mr. McKinnon. Dear Sirs, We now have pleasure in sending to you, as… | ||
| scan 248 | Letter from Chloride Electrical Storage Co. Ltd. acknowledging receipt of volt-ampere characteristic curves for a 40/50 chassis. | ||
| View original record | X. 30148 THE Chloride ELECTRICAL STORAGE COMPANY LIMITED TELEPHONES: PENDLETON 481 (6 LINES) TELEGRAMS: CHLORIDIC, PENDLEBURY. CODES: BENTLEYS, LIEBERS, A.1. AND A.B.C. (4TH & 5TH EDITIONS) LONDON… | ||
| scan 249 | Dynamo output characteristics and solutions for the 40/50 chassis electrical equipment. | ||
| View original record | X30146 Extract from EFC3/T22.6.22. X.4132. RE STANDARDISATION SHEETS FOR 40/50 CHASSIS ELECTRICAL EQUIPMENT. Y30146. X294 It will be remembered that the output curve of the Lucas E.57 generator does… | ||
| scan 250 | New Lucas Electrical Co. Ltd. repair depot in Manchester. | ||
| View original record | Mm. from Wd. c. to EFC. c. to B/BP. c. to Mr. RECEIVED SEP 12 1922 Hs X 3014 Wd9/NJ12.9.22. The Lucas Electrical Co.Ltd., Well Street, Birmingham. We are in receipt of a circular letter from these… | ||
| scan 251 | The choice of dynamo for the 40/50 Chassis 'R' Series. | ||
| View original record | RECEIVED SEP 30 1922 HS Wd. C. EFC. Sir Hs. X3014 L BY8-P29.9.22. 40/50 CHASSIS. DYNAMO. X3014 L X4357 We have cleared the issue for "R" Series in regard to Dynamos, by assuming that we shall carry on… | ||
| scan 252 | Performance graph comparing different dynamo windings based on ampere output versus RPM under hot conditions. | ||
| View original record | Y 3014 OLD EXPL. LUCAS CF3 DYNAMO No BE 1341 HOT CONDITION OUTPUT AMPERE OUTPUT R.P.M Lucas Winding Our Winding Std Winding A.T.T.D.C. S.T.D.C. | ||
| scan 253 | Reverse of a document showing a Print Room stamp from the Derby factory. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 21 MAR. 23 DERBY | ||
| scan 254 | Letter from Lucas Electrical Co. Ltd. concerning the examination and repair of a dynamo returned due to bearing noise. | ||
| View original record | "G". X3014 COPY OF LETTER FROM - THE LUCAS ELECTRICAL CO. LTD., WELL STREET, BIRMINGHAM. Ref. FSW.9194. November 28th. 1923. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, Further to… | ||
| scan 255 | Performance comparison of E.A.C. and Lucas E.575 dynamos with varying temperatures, belt drive ratios and pole piece materials. | ||
| View original record | X.3014B X.9660 - E.A.C. DYNAMO. X.3014B The Lucas E.575 machine in the fully hot condition puts up 13.6 volts at 720 R.P.M. At 75°C (in accordance with general specification) the speed might be… | ||
| scan 256 | Confirming the Lucas Carcase Dynamo No. 85Z has passed production tests and is ready for production. | ||
| View original record | To BY/Ds. from EFC. X 3014b EFC1/LG12. 2. 24. X. 3014b - LUCAS CARCASE DYNAMO - NO. 85Z. Attached is my assistants report on the production test of this machine. It is considered that this machine is… | ||
| scan 257 | Production test report for a Lucas Dynamo marked 85Z. | ||
| View original record | EFC. WA.9. C O P Y. 12. 2. 24. PRODUCTION TEST OF LUCAS DYNAMO (marked 85Z). (1) Control brushes were found to be rather tight in their respective holders but were subsequently made O.K. Spring… | ||
| scan 258 | Secret memorandum discussing gearbox casings and potential dynamo changes to address output and overheating issues. | ||
| View original record | X30146 To E & ST. from R. c. to CJ. RG+ DA. EY HS. EFC. S E C R E T RL/M23.2.24. X.3014b. EAC.4 GEARBOX CASING. X.4383. EAC3. DYNAMO CHANGES. I cannot suggest any improvement in the above. When you… | ||
| scan 259 | Secret memo regarding the decision to continue using Lucas dynamos and a suggestion to re-wind armatures in-house. | ||
| View original record | X30146 To EFC. from R. " HS. c. CJ. c. WCR. c. RG. c. E. c. DA. c. BY. S E C R E T. R3/M4.3.24. X30146 Re LUCAS AND R-R DYNAMOS FOR EAC.3. I am pleased to hear there are definite output reasons for… | ||
| scan 260 | Graph of current versus speed for a Lucas Dynamo Lighting Set with a 12-volt battery. | ||
| View original record | LUCAS DYNAMO LIGHTING SET. OPERATING WITH LUCAS 12 VOLT BATTERY. CURRENT (AMPERES) MAIN AND CONTROL (FIELD) SPEED (R.P.M) MAIN CURRENT TO BATTERY NO LIGHTS ON. CONTROL CURRENT FIELD CURRENT B. | ||
| scan 261 | Cover page for a document on the output curves of a Lucas Dynamo Lighting Set. | ||
| View original record | LUCAS DYNAMO LIGHTING SET. OUTPUT CURVES. V3014b | ||
| scan 262 | Reported 40-50% loss of output on Lucas Dynamos and arranging further investigation. | ||
| View original record | X 30146 RECEIVED MAY 2 1924 EP. c. Hs. C. BY10/H. 5. 5. 24. LUCAS DYNAMOS. X 30146 With reference to EP21/H. 30.4.24. we think the statement to the effect that Paris have found a loss of 40 to 50% of… | ||
| scan 263 | Clarifying a request for information from Messrs. Lucas regarding dynamo insulation resistance when hot and cold. | ||
| View original record | X.3014B. BY. c. Hs. c. Wd. EP1/H8.5.24. re. Lucas Dynamos. With reference to your BY10/H5.5.24. We quite appreciate the points you raise, which were made clear in our correspondence to Paris. The… | ||
| scan 264 | Request to examine a faulty Lucas dynamo from chassis 9-PK that has returned from France. | ||
| View original record | X3014b To RHC. from EFC. EFC7/T11.6.24. X.3014b - LUCAS DYNAMO EX CHASSIS 9-PK. We are informed that the dynamo on this chassis, which has returned from France, is not charging correctly. We should… | ||
| scan 265 | Request for assistance with removing a difficult coupling on a Lucas Dynamo from car 9-PK. | ||
| View original record | X30146 To RHC. from EFC. EFC4/T19.6.24. X. 3014b - LUCAS DYNAMO FROM 9-PK. Would you kindly note that we find the coupling on this machine is rather difficult to remove. I should be glad if you could… | ||
| scan 266 | Two faults found in a Lucas E.575 Dynamo armature that was run on an experimental car. | ||
| View original record | To Wd. from EFC. X3014b EFC1/T26.6.24. X.3014b - LUCAS E.575 DYNAMO. We have an armature from one of these dynamos which has been running on an experimental car, which armature is faulty inasmuch as… | ||
| scan 267 | Letter regarding the return of an unsatisfactory Lucas E.575 type Dynamo armature. | ||
| View original record | X. 3014b. EFC. C. to D/BP. C. to My/Mr Chatwin. Wd/JTl/HP27.6.24. X.3014b - Lucas E.575 type Dynamo. With reference to yours EFC1/T26.6.24 regarding the armature removed from dynamo which has been… | ||
| scan 268 | The armature for a Lucas dynamo on an experimental chassis. | ||
| View original record | X 3014 b To Wd. from EFC. EFC10/T30.6.24. X. 3014b - LUCAS DYNAMO - 9-PK EXPL. CHASSIS. With reference to the armature from this dynamo which we requested you to return to Messrs. Lucas in our note… | ||
| scan 269 | Correspondence with Lucas Electrical Co. about the repair and replacement of a dynamo armature for an experimental chassis. | ||
| View original record | EFC. from Wd. X.3014 b Wd1/NJ4.7.24. X.3014b. Lucas Dynamo. 9-PK.Exptml.Chassis. Upon receipt of yours EFC10/T30.6.24, we wrote the Lucas Electrical Co. urging them to proceed with the repair of the… | ||
| scan 270 | The commutator to be skimmed and armature connections re-soldered on a Lucas Dynamo R.205 from car 98-NK. | ||
| View original record | X3014b To RHC. from EFC. EFC3/T20.8.24 X. 3014b - LUCAS DYNAMO R. 205. Herewith Lucas dynamo R. 205 from 98-NK. The drive is difficult for us to remove. Would you kindly have commutator skimmed up and… | ||
| scan 271 | Performance specifications for the Lucas E.575T dynamo under various conditions. | ||
| View original record | X 30146 EFG1/T26.11.24. X.9664. EAC.3 DYNAMO. X 30146 The Lucas E.575T machine in the fully hot condition puts up 13.6 volts at 710 r.p.m. At 75°C (our standard temperature for general specification… | ||
| scan 272 | Conversion of specific chassis to use a Lucas dynamo and switchbox. | ||
| View original record | X3014b S E C R E T. ----------- To EY. from E. c. to CJ. c. to Hs. E3/M9.12.24. E. A. C. RE CONVERSION CHASSIS. X.9664. X.3014b. X.8730. ----------------------------------------------- In reply to… | ||
| scan 273 | Performance graph for a Lucas C.5 12V dynamo, plotting ampere output and voltage against RPM and vehicle speed. | ||
| View original record | 49/50. LUCAS C.5. 12V. DYNAMO 30/5/30 FULL OUTPUT (COLD) DYNAMO AMPERE OUTPUT OPERATING VOLTAGE AT 15.5 DYNAMO VOLTS DYNAMO VOLTS. DYNAMO R.P.M. S.S. CHASSIS M.P.H. WITH 11/41 AXLE & 33.0" TYRE DIA. | ||
| scan 274 | Blank folded document with a handwritten reference number and a date stamp. | ||
| View original record | X. 3014. X3014. ROLLS-ROYCE LTD PRINT ROOM, 9 MAY 1930 DERBY. | ||
| scan 275 | Performance graph for a C5R Dynamo, plotting Volts and Amps against RPM under hot and cold conditions. | ||
| View original record | THE JOSEPH LUCAS RESEARCH LABORATORIES. DATE 25.6.30 VOLTS 15 14 13 AMPS 5 10 0 500 1000 1500 R.P.M. 2000 2500 3000 3500 DYNAMO VOLTS FULL OUTPUT - COLD FULL OUTPUT - HOT C5R DYNAMO CURVE NO. LD/29 | ||
| scan 276 | Request to arrange payment to keep a Lucas Dynamo Type C5-O N-O previously acquired on loan. | ||
| View original record | X3014. Roy. from Hs/CAP. Hs/CAP2/ADL.6.31. LUCAS DYNAMO TYPE C5-O N-O. We understand that the above dynamo was obtained for us on loan. As we are interested in this machine, and later may wish to… | ||