Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Extract from a meeting discussing the necessity of a starting device for Chassis 1836. | ||
| View original record | Extract from Mr Johnson's note CJ14/C211211. Mr Barrington 21/12/11. Technical Committee - 96th Meeting. Approved, subject to the following notes:- (B) With reference to 96 (2) Re Starting device for… | ||
| scan0002 | Minutes of a meeting concerning the Christensen Self Starter. | ||
| View original record | Copy C6027 x548 Mr Johnson 30/12/11 TBB4/D301211 Re Minutes of the 96th Meeting concerning Christensen Self Starter. ---------------- see 5242 and 5243 for from [illegible signature] I note that you… | ||
| scan0003 | Agreement to build an experimental set at a nominal cost and whether to pay a license fee. | ||
| View original record | (2) further if I should stop this matter, because Mr Christensen has promised to allow us to build an experimental set at a nominal cost (not yet stated), and this offer may not hold good at a later… | ||
| scan0004 | Advising against fitting a self-starter to a customer's car, stating it is an unnecessary complication. | ||
| View original record | Ref. 96. 2. (handwritten) 86027. (handwritten) X223 (handwritten) BB13/L6112. W to S. 6/1/12. Mr Johnson wished you to make it clear to Mrs McMillan that with regard to the fitting of a self starter,… | ||
| scan0005 | Departmental memo regarding advice given to a customer about a self-starter. | ||
| View original record | R.R. 476 (50 H) (X 131. 7.10.11). E.P 199. ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. TELEGRAMS: "ROLHEAD," LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. DEPARTMENTAL MEMO. C4/H9112 This… | ||
| scan0006 | Letter to Mr. Nadin discussing a proposed self-starter design, its workability and disadvantages, for Mr. Royce's consideration. | ||
| View original record | X543 Mr Nadin 19/2/12. TBB3/1.19212. I send you herewith rough draw- ings of a self starter, submitted by one of our customers drivers named Hacking. I am sending this to you in order that you may… | ||
| scan0007 | Page two of a typed memorandum discussing disadvantages of a scheme before presenting it to Mr. Royce. | ||
| View original record | (2) There is nothing really novel in the scheme, but I think it would make a satisfactory job if it were not for the two disadvantages mentioned, of which the length of engine appears to be most… | ||
| scan0008 | Article from 'THE AUTOCAR' discussing and comparing various self-starting systems, with a focus on the acetylene or explosion starter. | ||
| View original record | R.R. 235a (150 H) (S.A. 801. 19-2-15) G. 0950. THE AUTOCAR, September 7th, 1912. 425 Self-Starters. With particular reference to the Acetylene or Explosion Starter. By J Dalrymple Bell. THE… | ||
| scan0009 | Article from 'The Autocar' magazine about the combined electric starting, lighting, and ignition systems, particularly the Delco system used on Cadillac cars. | ||
| View original record | 708 THE AUTOCAR, October 19th, 1912. The Electric Starting and Lighting System. By F. S. Bennett, A.M.Mech.E., M.I.A.E. THE writer of this article introduced the combined system of electric starting,… | ||
| scan0010 | Press cutting describing the White electric starter and generator system. | ||
| View original record | The White Starter. Motor 11.11.13 The White electric starting outfit is a single-unit device, supplying current to an 18-cell battery for both lighting and starting. Its special feature consists in a… | ||
| scan0011 | The testing and evaluation of an American-made electrical self-starter. | ||
| View original record | R.R. 255A (100 T) (S.H. 159, 11-8-20) G. 2800 [Handwritten] x53 26027 Wor/EH1/L25.11.13. From Exp. Dept. copies for :- J. R. E. Na. X.1210. REPORT ON SELF STARTERS X.543. The electrical self-starter… | ||
| scan0012 | Discussion about fitting a Scott Self Starter to a car. | ||
| View original record | R.R. 285A (100 T) (S.G. 643, 19-2-20) G. 2618 X-2743 26027 Da3/G61213. Re. R5/P4.11.13. X.950. RE SCOTT SELF STARTER. X.3374. X.543. X.294. J. For R. 6.12.13. Da3/G61213. I had Mr. G.J. Scott, of the… | ||
| scan0013 | Starter gear mechanisms, voltage regulation, and its application to an experimental vehicle. | ||
| View original record | H.R. 285A (100) T. & S. G. 645 - 19-2-20) G. 2618 -2- Da3/G6.12.13. can be obtained on the chain sprockets. I expect you have full particulars of the starter but send you a 2/1 drawing of the gear on… | ||
| scan0014 | Chain dimensions, a trial starter from 'the Scott people', and driven sprocket details. | ||
| View original record | R.R. 285A (100 T) (S.G. 643, 19-2-20) G. 2618 Contd. 3. Da3/C61213 and is bolted to the oil retainer round the main shaft, all being strengthened up where necessary. The pull is about 350 or a… | ||
| scan0015 | Specifications of a Lucas Engine Starter observed on a Daimler vehicle. | ||
| View original record | Lucas Engine Starter. You may already know of these but I thought I would inform you I saw one to-day on a Daimler. The Starter is Electrical, 12 volts, and is fitted in the chassis near the gear box,… | ||
| scan0016 | Critiquing a drawing of a Lucas Self-Starter and suggesting a Westinghouse alternative. | ||
| View original record | COPY. To J. from R. Copy. to Na, R3/P 24.2.14. LUCAS SELF-STARTER. With reference to the Lucas Self- starter drawing which I received this morning (23.2.14) I am sorry to say that this is no use for… | ||
| scan0017 | Demonstrations of self-starters, dynamos, and lighting systems by the Bijur and Rushmore firms. | ||
| View original record | [Top handwritten annotations: X 5723 (crossed out), r6027] COPY. [Top right reference]: Wor/EH13/B20314. To R. from EH. c. c. to J. c. c. to Na. RE SELF STARTERS. [Handwritten annotations next to… | ||
| scan0018 | Comparison of Bijur and Rushmore battery and dynamo sets regarding weight, voltage, efficiency, and safety. | ||
| View original record | -2- EH13/B20314. Contd. and that they can use a lighter battery with low voltage. They say that the heavy discharge from the battery for starting the engine does not do as much damage to it as burning… | ||
| scan0019 | Extract discussing options for electrical self-starters, including dynamos, armatures, and brush materials. | ||
| View original record | ~6027~ X.563.-SELF STARTER - Extract from R9/IB25515. With reference to the electrical self starter, any dynamo will do which has a satisfactory drive. I think even the Lucas with a larger pulley… | ||
| scan0020 | Visit from a Bijur representative regarding a starter scheme and potential manufacture. | ||
| View original record | To R. from By. c.to J. By3/G29.5.14. X.543. - RE STARTER SCHEME. X.1058. It might interest you to know that we had the Bijur traveller here yesterday, and when I informed him that we were at present… | ||
| scan0021 | Starter scheme, referencing the Bijur traveller and Mercedes' adoption of the system. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.543. X6027. R6/P9.6.14. To By. from R. c. to J. c. to Wor. c. to Na. X.543.-RE STARTER SCHEME. X170 X.1058. I have received your note with… | ||
| scan0022 | Table of performance data showing Amps, Volts, Horsepower, and Efficiency. | ||
| View original record | -/ EH 4/2812/4. APR 7 '15 X. 3475 -602 x583 Amps. Volts. Electrical HP. Brake HP. Efficiency. 2470. 35. 11.4 .53 .15 28% 2365. 37. 11.4 .56 .2 35% 2200. 40. 11.4 .61 .25 41% 2100. 42. 11.3 .63 .285… | ||
| scan0023 | Table of performance data showing revolutions, amperage, voltage, horsepower, and efficiency. | ||
| View original record | -2- Revs. Amps. Volts. Electrical HP. Brake HP. Efficiency. 510. 115. 9.6 1.47 .45 43% 380. 125. 9.1 1.5 .38 36% ---oOo--- R.R. 235a. 150 (H) (W.W. 927. 9-11-14) G. 0821. | ||
| scan0024 | Letter confirming specifications for starting motors and discussing delays in testing arrangements. | ||
| View original record | R.R. 235 A. (100 T.) (S.F. 846. 6 8 19) G. 2460. 582 6027 Wor/Hy13/L12415. R. X.543. - RE STARTING MOTORS 12.4.15. I am in receipt of your telegram of to-day's date referring to particulars of the… | ||
| scan0025 | Performance graph for a starter motor, plotting efficiency, voltage, amperage, horsepower, and torque against RPM. | ||
| View original record | X. 3175 WOR/EH/C.281214 STARTER MOTOR BRAKE EFFICIENCY Graph Curves: EFFICIENCY H.P. DELIVERED TO ENGINE VOLTS ELECTRICAL H.P. DELIVERED TO MOTOR AMPERES B.H.P. .55 max Stamp: DERBY 31 MAR/1918 Y-Axes… | ||
| scan0026 | Extract detailing the fitting of 6-volt electric self-starters and advocating for the creation of an electrical department. | ||
| View original record | X. 3175. X582 8602 Extract.-R4/W18.8.16. RE CAR MANUFACTURE. It was agreed that all these cars should be fitted with electric self-starters, the same as on 7CA., but constructed for 6 volts, which… | ||
| scan0027 | Directive regarding changes to car manufacture, specifically the air pump location and instrument board layout. | ||
| View original record | X.3175. 578 86027 Extract. -R4/W18.8.16. RE CAR MANUFACTURE. Owing to the fitting of electrical self starter, the air pump will be on the governor case and no relief valve will be fitted. Wherever we… | ||
| scan0028 | Agreement on fitting cars with electric self-starters and a Lucas 'King of the Road' dynamo. | ||
| View original record | X.543. 86027. Extract from R4/W18816. .X.152.-RE LUCAS "KING OF THE ROAD" DYNAMO. It was agreed that all these cars should be fitted with electric self-starters, the same as on 7CA, but constructed… | ||
| scan0029 | Extract regarding the need to fit primers on all engines, based on experience with chassis 7CA. | ||
| View original record | X. 3175.523 86027. Extract.-R14/W9916. RE CHASSIS 7CA. This car was fitted with a starter which behaved quite satisfactorily, but the engine required priming first thing in the morning, so it is very… | ||
| scan0030 | Modifying the battery ignition system for cars equipped with self-starters, including considerations for voltage and timing. | ||
| View original record | ~~x863~~ -> 6027 R2/B10.7.17. X.2814. X.31991 X.562. X.3716. X.1819. X.2512 X.543. X.699. X.1818 18C X.3129. BATTERY IGNITION FOR CARS. &c. Where a self starter is used as in the case of 7-CA we might… | ||
| scan0031 | Condenser positioning and capacity to reduce spark and preserve platinum contact points, with a note on post-war electric self-starters. | ||
| View original record | Contd. -2- R2/B10.7.17. may benefit the tunning of the engine considerably. Regarding the position of the condenser, I think this should be between the beginning end of the primary winding and the… | ||
| scan0032 | Continued page of a document discussing synchronised trembler ignition. | ||
| View original record | R.R. 235A (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -3- R2/B10.7.17. synchronised which is not the case with any trembler ignition. R. | ||
| scan0033 | Issues and modifications to the clutch and valve mechanism on the 'After The War' chassis. | ||
| View original record | To R. from EH. c. to BJ. " " E. " " Ey. X.3175. X.2565. - AFTER THE WAR CHASSIS. X.682 X.3175 7CA. car has been running for the last two years with the friction clutch in the chain wheel on the gear… | ||
| scan0034 | Efficiency of a Lucas starter motor and arranging a meeting regarding battery ignition. | ||
| View original record | To EFC. from R. c. to GJ. x.543 602 R2/W25.218 X.3173 X.3161 RE IGNITION GEAR & ELECTRO MOTORS X.543. X.3174 X.3199 X.1698 With reference to the tests you are making on the ignition gear and electro… | ||
| scan0035 | The general self starter for the chassis. | ||
| View original record | R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. 6027 543 X. 3175 - SELF STARTER (GENERAL) (CHASSIS) EFC2/T21.3.18. For previous correspondence see X.170 same title. EFC. | ||
| scan0036 | Summary of particulars, windings, and brake efficiency test results for various self-starter motors. | ||
| View original record | R.R. 223a (100 T) (S.H. 159. 11-3-20) G 2860 Handwritten: X523 (crossed out) X6027 To R. from EFC. c. to CJ. c. to By. c. to EP. c. to By/HBC. EFC5/T8.4.18. X.543. RE SELF STARTER MOTORS X.3247… | ||
| scan0037 | Motor winding configurations and a brake test on a starter motor. | ||
| View original record | R.R. 235A (100 T) (S.H.Conduit) 2800 -2- EFC5/T8.4.18. other in the slots. We have now ascertained, however, that the winding is not like this, but that every coil in the lower winding is in series… | ||
| scan0038 | Comparison of brake efficiency test results for various motor models. | ||
| View original record | MOTOR:- | | Lucas A.510 | C.A.V. | R.R.45 | R.R. 17 | R.R.24 | Bosch | Lucas A.520 | |---|---|---|---|---|---|---|---| | BRAKE EFFICIENCY TEST RESULTS. | | Max power | B.H.P. | 1.40 | 1.33 | +.815 |… | ||
| scan0039 | Testing methodology and comparison of self-starting motors. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Handwritten top: X.5623 (crossed out) -6027. To EFC. from R. c. to CJ. X. 2642 X. 3161 X. 3178 X. 3270 (crossed out) RE. SELF-STARTING MOTORS. 17th… | ||
| scan0040 | Comparison of two electric starter motors, focusing on their efficiency, power, and design characteristics. | ||
| View original record | Contd. -2- R 3/G1741 each motor so that the maximum horse power and maximum efficiency is at approximately the same speed in each machine. For instance, supposing the R.R. motor shewed its maximum… | ||
| scan0041 | Continued discussion on starter motor design, testing, and application for cars and aero engines. | ||
| View original record | Contd. -3- R3/G17418. Contd. there is much more to be considered than the maximum horse power or the maximum efficiency. It was these auxiliary consid- erations which led us to wind the field coils of… | ||
| scan0042 | Broken starter motor shaft and the conditions leading to its failure. | ||
| View original record | X.573. 8602 To R. from EH. c. to CJ.. c. to E. c. to EY. c. to Da. ---------- EH1/LG.141118. 14th Nov. 1918. X. 682. RE 7-CA. X. 3175. The shaft which takes the drive of the starter motor through the… | ||
| scan0043 | The rationale for bolting a friction clutch solid due to slipping issues. | ||
| View original record | Contd:- The reason we bolted up the friction clutch solid was because it gave trouble by slipping, the reason it slipped was because the backing plate for the springs was not stiff enough. We also… | ||
| scan0044 | Notes from a meeting with Mr. Royce regarding instructions for retrofitting starter motors to existing cars. | ||
| View original record | 86027 Extract from EHL/LG16.12.18. The following notes were taken during Mr. Wormald's and my visit to Mr. Royce:- X 543. RE FITTING STARTER MOTOR TO EXISTING CARS. Mr. Royce suggested that the D.O.… | ||
| scan0045 | Notes from a visit to Mr. Royce regarding the starter motor, air pump, and speedometer drive. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X543 26027 Extract from EH1/LG16.12.18. The following notes were taken during Mr. Wormald's and my visit to Mr. Royce:- X.543 STARTER MOTOR. Mr.… | ||
| scan0046 | Specification of alterations to the 40/50 HP chassis and the assignment of the associated draughting work. | ||
| View original record | COPY. 6027 X543 To. W.C.H. from E. Copy to BY " " DA " " EH. " " EP. 8th; January. 1919. S2/G8119. RE 40/50 HP CHASSIS. Please find attached a specification of the alter- ations to be made to the… | ||
| scan0047 | Index of alterations and experimental work for the 40-50 HP present type chassis. | ||
| View original record | COPY. To. BY " DA } from R: " EH Copy to CJ. " WCR. " EP. 18th December. 1918. R7/0181218. Compiled by Mr. Elliott. RE ALTERATIONS TO 40-50 H.P. PRESENT TYPE CHASSIS. OBJECT:- The object of this… | ||
| scan0048 | Positioning of the electric starter, wiring schemes, and instrument board design. | ||
| View original record | To BY. DA & EH. from R. -10- R7/G181218. Contd. x6027 (16) ELECTRIC STARTER. X.5472 x.3034 A new position is required for the starter switch, and Mr. Royce decided that this mechanism could probably… | ||
| scan0049 | From Mr. Royce suggesting designs for a distributing board and an alternative switch box for vehicle electrics. | ||
| View original record | To EY, DA, &CEH. from R. -11- R7/G181218. Mr. Royce suggests a distributing board in the form of a hinged board hanging from the instrument board, for the purpose of inspecting connections made from… | ||
| scan0050 | Design and standardisation of a pressed sheet metal electrical terminal, with sketches. | ||
| View original record | To EY. DA & EH. from R. -12- R7/G181218. Contd. standardised throughout the car. Various types of terminals were discussed, in which the cleaned end of the conductor was gripped between sheet metal… | ||
| scan0051 | Recommending the fitting of a priming device to solve a customer's car starting difficulties. | ||
| View original record | To EP. from EH. c. to EY. +543 -6027 EH5/LG4.2.19. 4th Feb. 1919. X.1889 X.543 With reference to the Car Inspection report mentioned in your memo EP/W19/DJ31119., in which the owner of the chassis… | ||
| scan0052 | Letter detailing particulars of various starter motors, with a focus on brush types and performance. | ||
| View original record | To B. from EFC. X.543 Sloan EFC1/T3.4.19. RE ELECTRIC STARTER MOTORS In answer to yours E2/G29.3.19., we are now sending two copies of a summary of particulars of various starter motors which was sent… | ||
| scan0053 | Summary table of particulars for armature and field windings of various starter motors. | ||
| View original record | X. 543 SUMMARY OF PARTICULARS OF ARMATURE AND FIELD WINDINGS OF STARTER MOTOR (ALL OF THE FOUR POLE TWELVE VOLT TYPE) (ALSO OTHER DATA) (except Bijur which is 6 volt) MOTOR: | Lucas A.S10. | C.A.V. |… | ||
| scan0054 | Comparison table of armature specifications for various motor types. | ||
| View original record | MOTOR:- Lucas. A.510, C.A.V., R.R.45, R.R.17, R.R.24, Bosch, Bijur. ARMATURE. Contd. Row: Resistance of winding from com. seg. to com. seg. 90° away (ω) (cold) Data across columns: .00845, .00864,… | ||
| scan0055 | Comparison table of field winding specifications for different motor types. | ||
| View original record | MOTOR:- FIELD WINDING. COLUMN HEADERS: Lucas. A.510. C.A.V. R.R.45. R.E.17. R.R.24 Bosch. Bijur. ROW 1: Arrangement of coils. DATA: Four in parallel. Two in series, 2 in parallel. Four in series. Four… | ||
| scan0056 | Comparative data sheet for motor brush particulars and weights. | ||
| View original record | MOTOR: Lucas A.510 | C.A.V. | R.R.45 | R.R.17 | R.R.24 | Bosch. | Bijur. BRUSH PARTICULARS. No. of brushes. | 2 | 2 | 4 | 4 | 4 | 4 | 4 Contact area per brush(sq.ins). | .360 | .160 | .40 | .40 | .40… | ||
| scan0057 | Comparative table of brake efficiency test results for various electric starter motors. | ||
| View original record | MOTOR:- | Lucas. A.510. | C.A.V. | R.R.45 | R.R.17. | R.R.24. | Bosch. | Bijur. BRAKE EFFICIENCY TEST RESULTS MAX. POWER B.H.P+ | 1.40 | 1.33 | .815. | .740 | .660 Speed (R.P.M.). | 1135 | 900 | 880 |… | ||
| scan0058 | Copy of a telegram sent to 'R' detailing specifications for various types of brushes. | ||
| View original record | x.543. 86027. COPY OF TELEGRAM SENT TO R. 5.4.19. Lucas aero two soft brushes C.A.V. two medium Bosch four soft Bijur four hard average ampere density five hundred maximum power (stop) R.R. four… | ||
| scan0059 | Test sheet outlining various procedures for motor performance evaluation. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-26) G. 2800 X.543. 86027 2.10.19. X.543. MOTOR TESTS Quantities :- Volts. Amps. Speed. Torque. E.H.P. B.H.P. Efficiency. (1) Run motor light (const. torque) Find how… | ||
| scan0060 | Note on the current taken by the starter motor when turning the engine. | ||
| View original record | R.R. 235B (100 T) S.H. 89. 22-7-20) G 2769 Mr. Clark. X.543 2602 6.10.10 X3U82 XH298 X.543. Current taken by starter motor when turning engine = 100 amps. The needle of the instrument swaying between… | ||
| scan0061 | Drawings and modifications for the starter motor on the American 40/50 HP chassis. | ||
| View original record | To Da. from E. c. to CJ. c. to Bn. c. to Oy. c. to EH. c. to EFC. x 543 86027 E2/G27.11.19. X.543. X.3740. X.3683. X.3558. RE STARTER FOR AMERICAN 40/50 H.P. CHASSIS. We send you herewith drawings… | ||
| scan0062 | Request to commence work on detail drawings for an attached document. | ||
| View original record | Contd. -2- E2/G27.11.19. Would you kindly put in hand the detail drawings for the attached. E. | ||
| scan0063 | Ongoing complaints about engine starter clutch engagement and proposing potential solutions. | ||
| View original record | X.548. ~6027. EFC. from EP. c.c. to EH. c.c. to Bn. EP14/F28.11.19. X. 2641. X. 3034. X. 3428. X.548 RE. ENGINE STARTERS. With further reference to my complaints in the past to the effect that steps… | ||
| scan0064 | Performance and proposed alterations to the chassis engine starter mechanism. | ||
| View original record | X.642 86927. To EP. from EFE. c. to Hn. c. to EH. EFC2/T1.12.19. X.543 - RE CHASSIS ENGINE STARTER. X.3660 X.8428 X.2641 X.8084 In answer to your EP14/F28.11.19, we were under the impression that,… | ||
| scan0065 | Continued discussion regarding the operation of an actuator box, push-button switch, and actuator coils. | ||
| View original record | Contd -2- pulled into action before the actuator box. We quite agree that it is desirable for the actuator box to pull into gear at least as smartly as the main switch. We should imagine that the… | ||
| scan0066 | Continued discussion on battery performance in cold weather and the need for a more powerful starting motor for use in the United States. | ||
| View original record | Contd. -2- Oy - 5 G 3.6.20. X.540. -6027. battery for cars here where the internal battery position is called for. We would also like from Mr. Day, an arrangement if it exists showing what internal… | ||
| scan0067 | Report page discussing the improper handling of a priming device. | ||
| View original record | Contd. -3- Oy5/G3.6.20. the priming device is not properly handled by the driver. Oy. | ||
| scan0068 | Request for particulars, illustrations and models of different armature windings for small dynamos and motors. | ||
| View original record | x543 s602 To EFC. from R. Copy to CJ. R5/G7.5.20. X.294. X.543. RE SMALL DYNAMOS AND MOTORS. X.1640. Would you kindly provide us at some time with such particulars as you can find out, and… | ||
| scan0069 | Requesting a critique on dynamo and motor curves, and discussing the retention of reduction gear on the motor. | ||
| View original record | X.743 X6027 To EFC. from R. Copy to CJ. R4/G18.5.20. X.294. X.543. RE DYNAMOS AND MOTORS. X.1058. X.4007. X.1086. X.4030. X.3966. Will you kindly criticise the curves of the dynamos and motors sent by… | ||
| scan0070 | Design and performance comparison basis for series-wound chassis starting motors. | ||
| View original record | X.543 [Handwritten, crossed out] 86027 [Handwritten] 11.6.20. X.543. DESIGN AND PERFORMANCE BASIS OF COMPARISON FOR SERIES WOUND CHASSIS STARTING MOTORS. A. Weights. (a) Complete machine with pinion… | ||
| scan0071 | List of specifications for an armature circuit, commutator, and brushes. | ||
| View original record | Contd. -2- D. Armature Circuit. (a) Type of winding. (b) No. of slots (s) (c) No. of conductors (n') (d) Conductors per slot (n'/s) (e) Coils per slot (c/s) (f) No. of coils or com: bars (c) (g) Turns… | ||
| scan0072 | Comparison list of various dynamo and motor models for design and performance evaluation. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X.543 -> 6027. 24.6.20. X.294. DYNAMOS (SHUNT WOUND ONLY) X.543. MOTORS. FOR COMPARISON OF DESIGN AND PERFORMANCE. Dynamos. C.A.V. N.G.R.R. Smith A Smith 2D… | ||
| scan0073 | Parts submitted from America, discussing Springfield's preference for local parts over proven R.R. designed parts. | ||
| View original record | To R. from Hs. c. to CJ. c. to Wor. c. to Oy. c. to Na. X.873 ✓6027 Hs2/LG16.7.20. X.3740. X.4162. X.294. X.543. X.3614. X.3693. RE AMERICAN PARTS FOR R.R. CHASSIS. Attached herewith are reports on… | ||
| scan0074 | Comparison between the R-R motor and the Bijur motor, arguing against using the latter on Rolls-Royce cars. | ||
| View original record | Contd. -2- Hs2/LG16.7.20. We had a Bijur Motor in our possession and had tested it on the bench before the R-R motor was designed. There is no disputing the fact that the R-R Motor is far-and-away the… | ||
| scan0075 | Parts standardization between factories and production strategy for a new car model. | ||
| View original record | Contd. -3- Hs2/LG16.7.20. If they agree that with the new model H.R. they will make all similar parts to those made at Derby, we think then there is not any advantage to be gained in departing from… | ||
| scan0076 | Generator and dynamo quality, comparing suppliers Lucas, Watford Magneto and Bijur, and considering future improvements. | ||
| View original record | Contd. -4- . consistent quality of goods, for instance, we are always in constant communication with the Watford Magneto people and the Lucas people as regards faults on their machines and as a result… | ||
| scan0077 | Technical summary of the Delage Car's engine and electrical equipment. | ||
| View original record | x 873 sheet 1 Extract from Hs2/LG23.7.20. X.3500. RE DELAGE CAR. X.3374. X.294. X.543. The dynamo is driven off thenfront engine gears. The starter operates on to the flywheel. The magneto is fitted… | ||
| scan0078 | Continued description of a press button switch and an earthed wiring scheme for a vehicle. | ||
| View original record | Contd. -3- actual press button switch was a remarkably small and cheap fitting. It was simply two carbon contacts - one fitted to a spring blade. We operated the Starter a number of times with the… | ||
| scan0079 | Delay in addressing starter motor performance testing. | ||
| View original record | X.543 8602 To R. from EFC. c. CJ. c. Wor. c. Bn. EFC11/T24.7.20. X.543 - STARTER MOTORS. We have not been able to do anything in the matter of starter motors# performances since we handed over the… | ||
| scan0080 | The silent operation of the Smith Dynamo. | ||
| View original record | X543 86027 Extract from R1/G29.7.20. X.295. RE SMITH DYNAMO. & SILENCE. X.543. We can well understand that this machine will be very silent, as they not only have spiral teeth, but have a gradual… | ||
| scan0081 | Risk of accidents from backfires when starting cars and the need to fit a self-starter. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 X.873 6027 To HM. from R. Copy to CJ. " " Wor. " " Hs. " " EP. " " Pn. " " H. " " R.R. of America Inc. (For the attention of Oy.) X.873 X.3558 RE SELF… | ||
| scan0082 | The manual starting procedure to avoid backfire and the ultimate solution of fitting a self-starter. | ||
| View original record | Contd. -2- R4/G20.8.20. There is one satisfaction, however, that in all R.R. cars so far turned out, it is possible to prime them and turn them round without the ignition current being switched on,… | ||
| scan0083 | Outlining the inspection and reporting procedure for dynamos and starter motors. | ||
| View original record | To L.F. from EFC. To. C.A.P y23 86027 EEC1/T27.9.20. X.294 - DYNAMOS. X.543.- STARTER MOTORS. A chassis dynamo or starter motor received by us for inspection and possible test should in the first… | ||
| scan0084 | Comparison list of various 12 volt and 6 volt chassis starter motors and their reference numbers. | ||
| View original record | sl6027. 28.9.20. X.543 - CHASSIS STARTER MOTORS (All 12 volt except Bijur A.21 6 volt). For comparison of design and performance. C.A.V. Z.C. X.3247. Lucas A.510. X.3161. Bijur A.21. X.1058. Bosch.… | ||
| scan0085 | Historical consideration of using a combined starter and dynamo versus two separate machines. | ||
| View original record | 4543 - 6027 To EFC. from Da. c. to Hs. c. to Bn. Da3/CB17.11.20. X.543 X.950. X.3374. X.294. X.4216. - Re Combined Starter and Dynamo. With reference to your EFC3/T17.11.20, I have not yet seen the… | ||
| scan0086 | List of ratios of field resistance to armature resistance for various starter motors. | ||
| View original record | X543 6027 15.12.20. X.543 - RATIOS OF FIELD RESISTANCE TO ARMATURE RESISTANCE OF STARTER MOTORS. X.3174. C+A.V. .453 Lucas. .333 Bijur. A 21 .75 Bosch. .316 R.R.45A 1.79 R.R.45B. .731 Bijur 1AD. .82… | ||
| scan0087 | Table of performance particulars for chassis starters on 40/50 and Goshawk models. | ||
| View original record | x543 86027 17.12.20. X.2642. X.3082. X.543.. X.4298. CHASSIS STARTER PARTICULARS. TABLE DATA: HEADER: 40/50., GOSHAWK. SUB-HEADER: 45a., 45a.sp., 45b. ROW 1: ENGINE REVS. VALUES: 40, 61, 42, 60 ROW 2:… | ||
| scan0088 | The use of Bakelite for impregnating electrical components such as coils, armatures, and condensers. | ||
| View original record | Qy2/G21.12.20. -2- Contd. Extract X/109 Y542 6027 X.3278.X.3966. X.3331.X.543. Bakelite impregnation of coils. X.753. X.3343. The Westinghouse motor armatures are varnished with Bakelite varnish and… | ||
| scan0089 | Unsuitability of Edison or Alkaline type batteries for cars compared to lead-acid batteries. | ||
| View original record | To Sn. from EFC. EFC6/T31.12.20. X.664. RE BATTERIES. ON R.R. CARS. X.543. X.50. X.3717. With reference to Mr. Cox's note Cx5/WM23.12.20, dealing with the subject of Edison Batteries, as is well know,… | ||
| scan0090 | Comparing Alkaline and Edison type batteries against the standard Exide lead cell battery. | ||
| View original record | Contd. -2- than for stationary work, or work where the cells are subjected to smoother movement, e.g. on a yacht. We have at the moment an Alkaline battery made by Batteries Ltd., Redditch, upon which… | ||
| scan0091 | Continued section discussing the lifespan and replacement of an acid battery. | ||
| View original record | R.R. 225A (100 T) (S.H 159, 11-8-20) G. 2500 Contd. -3- EFC6/T31.12.20. times as long as the acid battery. The acid battery while new and kept in good condition should be highly satisfactory, and when… | ||
| scan0092 | Preference for separate starter and dynamo machines over combined units for simplicity and ease of repair. | ||
| View original record | Y543 86027 To CJ. from R. c. to BJ. c. to PN. c. to Hs. c. to EP. c. to Wor. c. to EFC. c. to R.R. of America Inc. (For the attention of OY.) X.4216. X.294. X.543. X.3317. S RE STARTING AND LIGHTING… | ||
| scan0093 | Standardization of dynamo and starter motor carcase dimensions for different car models. | ||
| View original record | R.R. 235A (100 T) (S.H. 798 10-12-20) G 2947 To CJ. from R. c. to EFC. xoz s6027 R4/G23.2.21. X.3533 X.294. X.3534 X.3526. RE ELECTRICAL EQUIPMENT. X.543. With reference to the electrical programme,… | ||
| scan0094 | Letter to The Morgan Crucible Co. requesting a recommendation for a new grade of starter motor brush. | ||
| View original record | X.6050 c. By Mailing. EFC4/T. 27th December, 1928. The Morgan Crucible Co., Battersea Works, Church Road, S.W.1. Dear Sirs, Starter Motor Brushes. We would like you to recommend to us a grade of brush… | ||
| scan0095 | Letter from The Morgan Crucible Company Limited regarding starter motor brushes and friction coefficients. | ||
| View original record | X6050 eo 2886. CODES, ABC 4TH, 5TH & 6TH (5 LETTER) EDITIONS. A.I. LIEBER'S & WESTERN UNION (UNIV. & 5 LETTER EDIT.) & BENTLEYS. Inland Telegraphic Address. "CRUCIBLE, PHONE, LONDON" (2 words only… | ||
| scan0096 | Experimental order for six sets of starter motor brushes from the Morgan Crucible Co. | ||
| View original record | To Roy/Ms. X6050 EFC3/T2.1.29. STARTER MOTOR BRUSHES D.71279 Herewith please find copy of a letter from the Morgan Crucible Co. in answer to our enquiry concerning starter motor brushes with reduced… | ||
| scan0097 | Letter to The Morgan Crucible Co. Ltd. placing an order for starter motor brushes. | ||
| View original record | X6050 EFC2/T. 2nd January, 1929. The Morgan Crucible Co.Ltd., Battersea Works, Church Road, LONDON, S.W.11. Dear Sirs, Starter Motor Brushes D.71279. We thank you for your Zh/WH of yesterday's date… | ||
| scan0098 | Proposal for a new modification to a starter motor system using a double reduction gear. | ||
| View original record | E. EFC. ) FROM R. Hy. Hs. ) At Le Canadel) RL/M21.1.29 Rec'd at WW. 26.1.29. c. BJ. Wor. Sg. Mr. Claremont. STARTER MOTOR SYSTEM. X. 7655. X. 6091. Here is a new modification which may be thought… | ||
| scan0099 | Diagram illustrating the engagement mechanism of a spring-loaded pinion with a flywheel gear. | ||
| View original record | Flywheel gear. About 1 3/4" This gear has cork faced spring loaded driving surface with slip if any excessive shock. On colliding with flywheel gear this pinion can slide back until gears mesh. | ||
| scan0100 | Experimental Morganite CM5H brushes for the SS starter motor. | ||
| View original record | X6050 To RHC. from EFC. c. BY/RD. c. Mr. Brock. EFC4/T14.5.29. MORGANITE CM5H BRUSHES WITH SMALLER COEFFICIENT OF FRICTION FOR SS. STARTER MOTOR Herewith we hand to you a set of brushes which are of… | ||
| scan0101 | The efficiency principles and testing conditions for a series starter motor. | ||
| View original record | 15.7.29. X 548 86027 SERIES STARTER MOTOR. EFFICIENCY PRINCIPLES. For consideration of efficiency we think of the current as the independent variable and take various values in turn. For each value… | ||
| scan0102 | The relationships between E.M.F's, fluxes, and torques using equations. | ||
| View original record | -2- Contd. It will be seen that for each given ampere value it is expedient to think of Four E.M.F's Four fluxes per pole and Four torques. designated :- E ee es er ØE Øe Øs Ør TE Te Ts Tr those… | ||
| scan0103 | Theoretical analysis of motor efficiency using ratios of electromotive forces, magnetic fluxes, and torques. | ||
| View original record | -3- Contd. The other six quantities introduced, e.g. the two E.M.F's es and er, the two fluxes per pole ØE and Ør and the two torques TE and Te are considered to be related to the other quantities in… | ||
| scan0104 | Page detailing formulas for motor efficiency and armature reaction. | ||
| View original record | -4- Øs/ØE (Electrical) ( = es/E ) and Tr/Øs (Mechanical) ( = Tr/Ts ) the product of which is the overall efficiency of the motor, but also to obtain a third quantity Øs/Øe which is of importance as an… | ||
| scan0105 | Calculations and test results for a standard starter motor. | ||
| View original record | -5- Example:- For X.3082. R.R. Standard Starter Motor. 10^5 b / Z P = (10^5 x 2) / (90 x 4) = 10^4 / 18 ℓ = 10^5 / 3 = 10^4 / 25.36 = 394 TN = ℓ e C = 84.5 e C At 100 amperes :- Torque on brake test =… | ||
| scan0106 | Comparative table of starter motor particulars. | ||
| View original record | X523 COMPARATIVE STARTER MOTOR PARTICULARS. Motor | Arm. dia. | Arm. condrs. | Field Turns | Arm. Resis. | Field Resis. | Field turns / arm. conductors. | Field Resis. / arm. resis.… | ||
| scan0107 | Page of calculations for a starter motor, detailing conductor conversion formulas. | ||
| View original record | X593 6027. 13.7.28. STARTER MOTOR. Conductor conversion :- 134000 VC = 1587 T N V/N = 1587/134000 T/C = .01184 T/C otherwise:- ø = (60 x 10^8 x b x V) / (Z N P) = (10^8 x b x T) / (1.41 Z P C) i.e.… | ||
| scan0108 | Table of static torque data for various starter motors. | ||
| View original record | VS243 STARTER MOTOR STATIC TORQUE DATA. MOTOR. | Carcass dia. (") | Armature Dia. (") Length (") | No. of conductors. | No. of field turns per pole. | Torque for 120 amperes (lb-inches) |… | ||
| scan0109 | List of design data points required for starter motors, covering dimensions, weights, and magnetic circuit information. | ||
| View original record | x543 -sl6027. 24.1.29. X.543. DESIGN DATA OF STARTER MOTORS. A. Dimensions. (a) Carcase diameter. (b) Carcase length. (c) Carcase thickness. (d) Armature diameter. (e) Armature active length. (f)… | ||
| scan0110 | List of parameters and specifications for field and armature circuits. | ||
| View original record | -2- Contd. D. Field Circuit. (a) Number of wound poles. (b) Size of conductor. (c) Number of turns per coil. (d) Arrangement of coils. (e) Resistance of field circuit (ohms at 18°C) E. Armature… | ||
| scan0111 | List of specifications for a commutator and brushes. | ||
| View original record | -3- Contd. F. Commutator and brushes. (a) Commutator diameter. (b) Commutator length. (g) Grade and hardness of brushes. (d) Number of brushes. (e) Arrangement of brushes. (f) Brush contact total area… | ||
| scan0112 | Comparison table of dimensions and weights for various 40/50 HP size, Group A starter motors. | ||
| View original record | Y503 - 6027 X.543. STARTER MOTOR TABLES. 40/50 HP. size. GROUP A. MOTOR. X.3247 C.A.V. ZC. X.3161 Lucas A.510. X.1058 Bijur A.21. X.1248 Bosch S.45. X.2642 RR.17. (CLC) X.2642 RR.24 (CLC) DIMENSIONS.… | ||
| scan0113 | Design specifications for new dynamos and motors, including dimensions and performance requirements. | ||
| View original record | R.R. 255A (100 T) S.H. 798. 10-12-20) G. 2947 X543 86027 EPC/T3. 3. 21. X. 294 X. 543. NEW DESIGNS OF DYNAMOS AND MOTORS. The outside carcase dimensions settled upon by Mr. Royce during my visit were… | ||
| scan0114 | Specifications for a dynamo, detailing field winding, armature teeth, and shaft design. | ||
| View original record | R.R. 285A (100 T) S.H. 798. 10-12-20. G 2947 -2- Contd. The dynamos are to be single field winding third brush controlled with a span on the field coil over the commutator of about 130 electrical… | ||
| scan0115 | List of copper weights for the field windings of various starter motors. | ||
| View original record | X.543 86027 14.3.21. X.543 - STARTER MOTORS. Weights of copper composing field windings of various starter motors :- R. R.45 A 3.800 lb Lucas A.510 1.750 lb C. A. V. 2.500 lb Bosch. 3.200 lb EFC. | ||
| scan0116 | Providing an additional sheet of starter motor dimensions for carcases and armatures. | ||
| View original record | R.R. 235B (100 T) (S.H. 798, 10-12-20) G. 2948 X543 6027 EFC2/T17.3.21. To R. from EFC. c. to E. c. to CJ. c. to PN c. to Da. c. to EP. c. to By. c. to EWT. for R.R.Inc. X.543 - STARTER MOTORS -… | ||
| scan0117 | Table of dimensions for various starter motors. | ||
| View original record | X 543. STARTER MOTOR TABLES. X.3174. (Additional Sheet). | STARTER MOTOR. | X.3247. C.A.V. Z.C. | X.3161. Lucas A.510. | X.1058. Bijur A.21. | X.1248. Bosch B.45. | X.2642. R.R.17. Cic. | X.2642.… | ||
| scan0118 | Acquisition and testing of C.A.V. starter motors for the 40/50 Chassis and Goshawk II. | ||
| View original record | [Handwritten] X872 86027 Wd. from By. c. Hs. c. EFC. BY/3-P23.3.21. X.4341 STARTER MOTOR. X.543. X.4342. Hs. informed me that during his visit last week end to Mr. Royce, the latter suggested that we… | ||
| scan0119 | Extract from a meeting discussing electrical matters, specifically starter motor construction for the 'Goshawk I' engine. | ||
| View original record | X.543. 86027. Extract from E6/G31.3.21. Re Electrical Matters. Re Visit of Messrs. Wormald & Hives to W.W. on 19.3.21. (11) STARTER MOTORS ( GENERAL ). X.543. X.3513. X.3534. In constructing the… | ||
| scan0120 | In-house manufacturing of starter motors and dynamos for the 'Goshawk II' project. | ||
| View original record | X.548 ~602 (4) R3/G5/4/21. To MOR. from R. Copy to AJ " ERM " RAC X.543 " " HS. X.294 RE STARTER MOTORS, & DYNAMOS, ETC. X 35.33 X 35.34 It is understood that there is some doubt whether WED make… | ||
| scan0121 | Adaptation of dynamos and motors from other makers for the Goshawk II chassis. | ||
| View original record | To Da. from EFC. c. By c. Da/Thr. c. By/WER. c. Wor. c. Wd. X.4359. "GOSHAWK II" DYNAMO OF OTHER MAKE. X.294. X.4341 X.4342. "GOSHAWK II" MOTOR. X.543. This is to confirm that I have arranged in… | ||
| scan0122 | Examining a motor for trial on a 40/50 chassis and sourcing prices for two C.A.V. motor types. | ||
| View original record | Contd. -2- EFC4/T11.4.21. pinion. In explanation of this we would say that we want to examine this motor and possibly make certain tests upon it, and if we desire to place this motor on one of our… | ||
| scan0123 | Table of proposed standard sizes for dynamos and motors for large and small cars. | ||
| View original record | PROPOSED STANDARD R.R. DYNAMO & MOTOR SIZES. X.294. X.543. Carcase dia. | Armature dia. | Air gap. Dynamo for Large car. | 6.00" | 3.50" | .015" Dynamo for Small car. | 5.25" | 3.00" | .012" Motor for… | ||
| scan0124 | Experimental starter motor list. | ||
| View original record | R.R. 285A (100 T) (S H. 70S. 10-12-20) G. 2947 X/543 86027 6.5.21. X.543. EXPERIMENTAL STARTER MOTOR LIST. Lucas A.510. (old) C.A.V. aero. ZC Two R.R. old with spare armatures. Bijur 6 volt R.R.… | ||
| scan0125 | The fundamental formulas for a multipolar D.C. machine. | ||
| View original record | R.R. 255A (100 T) (S.H. 768. 10-12-20) G. 2947 X543. 6027. 20.5.21. MULTIPOLAR D.C. MACHINE. No. of conductors = Z. No. of poles. = P. No. of parallel paths through armature = b Flux per pole = φ… | ||
| scan0126 | Mr. Royce's remarks on the manufacture of dynamos and starter motors. | ||
| View original record | [Handwritten] X.543 86027 To Da. from EFC. c. Ey. c. Da/Thr. c. By/WER. EFC2/T2.6.21. X.294- DYNAMOS & MOTORS MANUFACTURED BY R.R. X 16 40. [Handwritten below X.294-] X.543 During my visit to Mr.… | ||
| scan0127 | Armature design for four-pole machines and the Goshawk I dynamo. | ||
| View original record | Contd. -2- EFC2/T2.6.21. commutator spokes. He has instructed that in all cases of four pole machines a number of the form 4 m + 1 shall be adopted for the number of slots, and an equal slot pitchs… | ||
| scan0128 | Distributing updated and extended tables for dynamos and starter motors for the large car. | ||
| View original record | *0273 -> 6027 To R & E from EFC. c. CJ: c. Ds. c. Ds/Thr. c. By. c. By/WER. EFC2/T3.6.21. X.294 - RE DYNAMOS AND STARTER MOTOR TABLES - X.43. ADDITIONAL SHEET. Herewith please receive tables as above… | ||
| scan0129 | Comparison table of starter motor specifications for large cars. | ||
| View original record | X543 X.543. STARTER MOTOR TABLES. X.3174. 1.6.21. (Additional Sheet I) (Motors of size suitable for large car). STARTER MOTOR. X.3247 C.A.V. ZC. X.3161 Lucas A.510. X.1058 Bijur A.21 X.1248 Bosch S.45… | ||
| scan0130 | Telegram instructing a change in the diameter of dynamos and motor carcases to align with other manufacturers. | ||
| View original record | Roycar Derby Clerk We have decided that to be in line with other makers our dynamo and motor carcase should be four and half five and six inches diameter Stop Work on all other sizes Pending… | ||
| scan0131 | Communicating a telegram from Mr. Royce regarding new carcase dimensions for dynamos and starter motors. | ||
| View original record | To Da. from EFC. c. Ry c. Da/Thr. c. Ry/WER. 86027 EPC1/T8.6.21. X.294. CARCASE DIMENSIONS OF DYNAMOS AND X.543. STARTER MOTORS MADE BY R.R. Please note, as Da/Thr and Ry/WER were verbally informed… | ||
| scan0132 | Response to U.S.A. complaints regarding starter motor and carburettor modifications. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G. 2947 x543 6027 Extract from R10/G8.6.21. X 3614 - RE U.S.A. COMPLAINTS X.543. We are quite in agreement with you using a starter motor which you can purchase,… | ||
| scan0133 | Design and specifications for 'Goshawk I' and 'Goshawk II' dynamos and motors for the 40HP chassis. | ||
| View original record | To Da. from E. c. to CJ c. to Wor. c. to Ev. c. to Hs. c. to EFC. E5/G9.6.21. X.4342.X.543 - RE R.R. DYNAMOS AND MOTORS - "GOSHAWK I AND II" - 40HP. CHASSIS+ X.4359.X.294. We have sent you under cover… | ||
| scan0134 | Specification table for standard dynamo and motor sizes for large and small cars. | ||
| View original record | X.294. X.543. STANDARD R.R. DYNAMO & MOTOR SIZES. 5.7.21. | | Carcase dia. | Armature dia. | Air Gap | Carcase thickness. | |---|---|---|---|---| | Dynamo for large car. | 6.00" | 3.625 | .020" |… | ||
| scan0135 | Special volt-ampere characteristic of battery and leads for starter motor belt tests. | ||
| View original record | X.543 6007. 8.7.21. X.543. SPECIAL VOLT-AMPERE CHARACTERISTIC OF BATTERY AND LEADS FOR STARTER MOTOR BELT TESTS X.3009. Amperes. Volts. 50 11.0 100 10.35 150 9.7 200 9.05 250 8.4 Limits ± .1 EFC. | ||
| scan0136 | Starter motor tests carried out on car 4-EX. | ||
| View original record | X57x3 X6027. July 20th 1921. EFC. PB.10. X.4298. REPORT ON STARTER MOTOR TESTS X.543. X.3082. CARRIED OUT ON CAR 4-EX. X.3764. X.4399. Tests were made with two starter motors 1. A standard motor. 2. A… | ||
| scan0137 | Test results for a standard motor under cold and hot conditions, detailing performance metrics. | ||
| View original record | -2- Contd. STANDARD MOTOR. (COLD) Test. | Speed of engine (R.P.M.) | Motor Speed. | Volts. | Amps. | Temp. of cyl: | Temp. of radiator. | Remarks. ---|---|---|---|---|---|---|--- 1 | 50 | 1165 | 10.65… | ||
| scan0138 | Performance test data for a motor with field coils in parallel under cold and hot conditions. | ||
| View original record | -3- Contd. MOTOR WITH FIELD COILS IN PARALLEL. (COLD). | Test. | Speed of engine. R.P.M. | Motor speed. | Volts. | Amps. | Temp. of cyl: | Temp. of radiator. | Remarks. |… | ||
| scan0139 | Comparison of motor performance under various voltage and temperature conditions. | ||
| View original record | R.R. 385A (100 T) (S H. 119, 11-8-20) G. 2800 -4- Contd. For a fair comparison between the four cases tabulated above, the battery voltage should have been set so that the motor terminal volts were,… | ||
| scan0140 | Inspection and return of a Lucas starter motor. | ||
| View original record | R.R. 235B (100 T) (S.H. 798, 10-12-20) G. 2948 X543 86027 To Wd/Ms. from EFC. c. to Stores. c. to Shipping Office. EFC4/T4.8.21. X.543 - LUCAS STARTER MOTOR. We are sending into the stores one 4 1/2"… | ||
| scan0141 | Letter to The Lucas Elec. Co. Ltd. regarding aircraft set connections, a vibrator regulator, dynamo fuse wire, and a starter motor. | ||
| View original record | X543 6027. EFC5/T. August 4th, 1921. The Lucas Elec. Co.Ltd., Well Street, Birmingham. Dear Sirs, X.543. For the attention of Mr. W.C.Turner. We thank you for your letter, together with blueprint of… | ||
| scan0142 | Standard volt-ampere characteristics and resistance limits for starter motor batteries, leads and cables. | ||
| View original record | X543 6027 26.8.21. X.543. STANDARD VOLT-AMPERE CHARACTERISTIC OF BATTERY AND LEADS FOR STARTER MOTOR TESTS. X.664. Amperes. Volts. 50 11.0 75 10.5 100 10.0 125 9.5 150 9.0 175 8.5 200 8.0 225 7.5 250… | ||
| scan0143 | Defining the standard resistance and limits for high-rate discharge tests on batteries. | ||
| View original record | X543 d6027 EFC/TS.9.21. X.664 - HIGH RATE DISCHARGE TESTS OF BATTERIES. X543 The invariable resistance through which future battery high rate discharge tests are to be taken will now be .100 ohm, so… | ||
| scan0144 | Performance characteristics of starter motors and batteries, referencing notes from the U.S.A. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2500 x593 6027 EFC1/T13.9.21. To R & E from EFC. c. to CJ & PN. c. to By. & Da. c. to Rg. & EP. c. to R.R. of America. Inc. X.664. RE BATTERIES, STARTER CABLES… | ||
| scan0145 | Continued report on defining battery internal resistance limits for starter motor operation. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 -2- Contd. that the E.M.F. remains at the figure 12.00 and that the difference between actual terminal voltage and this figure is due to an apparent… | ||
| scan0146 | Revised high-rate battery discharge testing procedures and specifications. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC1/T13.9.21. -3- Contd. easily for a period of 5 minutes. Other batteries e.g. our present standard with modifications have been capable of this for 2… | ||
| scan0147 | Battery characteristics and their effect on starter motor performance, referencing specific test reports and curves. | ||
| View original record | -4- Contd. EFC1/T13.9.21. any battery it is desired to tryneed only be connected up, the reading taken immediately and its condition ascertained, the relative condition of the several cells being… | ||
| scan0148 | Starter motor performance, comparing 12-volt systems, batteries, and cables with American S.A.E. standards. | ||
| View original record | R.R. 885A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC1/T13.9.21. -5- Contd. of 1 volt drop from 12 volts per 50 amperes is more suitable for some purposes, at any rate, in the case of our own starter… | ||
| scan0149 | Starter motor brake tests and the relative merits of using a torque base versus an ampere base for plotting results. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC1/T13.9.21. -6- Contd. Referring to Mr. Olley's note Oyl/G16.7.21 re starter motor brake tests, in which he made certain remarks (see our report… | ||
| scan0150 | Procedural document outlining various tests to be performed on a motor. | ||
| View original record | X.543 [crossed out] 86027 13.12.21. X.543 - MOTOR TESTS. Quantities:- Volts. Amps. Speed. Torque. E.H.P. B.H.P. Efficiency. (1) Run motor as separately excited dynamo on open circuit. Find flux - ex.… | ||
| scan0151 | Standardisation of the terms 'advance' and 'retard' for dynamos and starter motors. | ||
| View original record | x 543 ~602~ EFC/T2.2.22. X.294. DYNAMOS. X.543. STARTER MOTORS. Standardisation of the terms "advance" and "retard" as applied to the brushes or to the commutator of a dynamo or motor. On a contact… | ||
| scan0152 | Continued technical note explaining the effects of advancing and retarding brushes on motor and dynamo output. | ||
| View original record | -2- Contd. (1) If the control brush only be advanced, the output is reduced and vice versa, (because the span of the field winding is reduced thereby). (2) If the main brushes only be advanced, the… | ||
| scan0153 | Comparative test report on a direct drive flywheel starter versus the usual gearbox starter equipment. | ||
| View original record | y543 6027 To RR of America Inc. for Mr. Belnap. Mr. Olley. R2/M18.2.22. c. to CJ. BJ. X.3558. c. to Wor. By. X.543. RE ELECTRICAL STARTER EQUIPMENT. c. to Hm. PN. X.4298. c. to Hs. EP. We have now… | ||
| scan0154 | Comparison of different starter motor arrangements, including C.A.V., Bendix, and flywheel types. | ||
| View original record | Contd. -2- R2/M18.2.22. carry the motor thoroughly well. The C.A.V. is a better scheme than the Bendix, being magnetically engaged teeth and spiral keys combination. It will be noticed that the motor… | ||
| scan0155 | Letter from Penfold & Randall offering patent rights for a new Dynamo and Starter. | ||
| View original record | X.543 X6027. PENFOLD & RANDALL, 62, CASTLE STREET, LONG ACRE, LONDON, W.C.2. LMR/NH June 29th 1922 E. Fowler Clark Esq., Messrs. Rolls-Royce Limited, Electrical Department, Derby. Dear Sir, X.543.… | ||
| scan0156 | Typed letter declining interest in a patent dynamo and starter. | ||
| View original record | K523 r6027. EFC2/T. 1st July, 1922. Messrs. Penfold & Randall, 62, Castle Street, Long Acre, London, W.C.2. Dear Sirs, Re Patent Dynamo & Starter. We have your letter of the 29th ult, for which many… | ||
| scan0157 | Comparison table of various starter motors suitable for large cars, detailing their dimensions. | ||
| View original record | V543 1.6.21. X.543 - STARTER MOTOR TABLES X.3174. (Additional sheet I) (Motors of size suitable for large car) | | X.3247 C.A.V. ZC | X.3161 Lucas A.S1C. | X.1058 Bijur A.21. | X.1248 Bosch S.45. |… | ||
| scan0158 | Comparison table of starter motor specifications for small cars. | ||
| View original record | X.543 K543 STARTER MOTOR TABLES. (Additional sheet II - Motors for small car). STARTER MOTOR. X.4342V. C.A.V. SC X.4342S. Smith SS X.4384. R.R. Goshawk K.4342L. Lucas CARCASE Diameter: 4.625, 4.500,… | ||
| scan0159 | Table of dimensions for dynamos and motors for large and small cars. | ||
| View original record | 18.4.23. X.294. X.543. R.R. DYNAMO & MOTOR SIZES. X.9620 X.9660 | Carcase dia. | Armature dia. | Air Gap. | Carcase thickness. | |---|---|---|---| | Dynamo for large car. | 5.5" | 3.5 | .015 | .312. |… | ||
| scan0160 | Accompanying curves of brake efficiency tests and slot diagrams for various starter motors. | ||
| View original record | X. 543. 86027. To E. for Mr. Stent. EFC4/T3.5.23. Herewith please receive as requested various sets of curves of brake efficiency tests of different starter motors, together with further slot… | ||
| scan0161 | The general relations and formulas for starter motors. | ||
| View original record | [Handwritten at top] X 543 [crossed out] 6027. [Typed] X.543 - STARTER MOTOR RELATIONS ( GENERAL). Given engine torque T (lb-inches) Speed reduction ratio r Gearing efficiency .85 Torque reduction… | ||
| scan0162 | Page of typed and handwritten physics equations relating to motor torque, flux, and conductors. | ||
| View original record | -2- Contd. = 300 { 1/2(.0000129) NT/r + 1/8 (.0000129)^2 N^2 T^2 / r^2 } - .001935 NT/r { 1 + .0000032 NT/r } Static motor torque T, - 1.294 T/r Flux per pole = Ø Number of conductors = T₁ b x 10^8 /… | ||
| scan0163 | Comparative performance curve graph for different starting motors. | ||
| View original record | STARTING MOTORS COMPARATIVE CURVES Y-AXIS: R.P.M TORQUE LBS FT VOLTS AT MOTOR TERMINALS X-AXIS: AMPS LEGEND: ----- DELCO 4 5/8" TYPE 185 - . - . - Bosch 5" --- . --- W'house 5 1/2" TYPE 7018 NOTES:… | ||
| scan0164 | Graph showing starting motor performance requirements and characteristics against amperage. | ||
| View original record | STARTING MOTOR REQUIREMENTS. ROLLS-ROYCE OF AMERICA INC. ST. MOTOR R.P.M. TORQUE LBS. FT. VOLTS. MOTOR TERMINALS. AMPS. SPEED. RUNNING VOLTS. RUNNING TORQUE. LOCKED TORQUE. LOCKED VOLTS. 6V. 5V. 5 1/2… | ||
| scan0165 | Graph of performance curves comparing various starting motors by amperage. | ||
| View original record | [ "STARTING MOTOR CURVES.", "ST MOTOR R.P.M.", "TORQUE LBS FT.", "VOLTS MOTOR TERMINALS.", "AMPS.", "W'HOUSE 5 1/2"", "R.R. 6"", "DELCO 5" 6 POLE", "LOCK TORQUE & VOLTS", "DELCO LOCK TORQUE", "W'HOUSE… | ||
| scan0166 | Whether to include the 'penny trick' for cold starting an engine in the 40/50 HP instruction book. | ||
| View original record | X12/3-6627 Jho PN11/DN/1.5.21 RECEIVED [STAMP] TO HY. c. to BJ., AF. & Hs. FROM P.N. INSTRUCTION BOOK - 40/50 HP. It appears that in the present Instruction Book it was felt justified not to include… | ||
| scan0167 | Test procedure sheet for motors, detailing five different test scenarios and power calculation formulas. | ||
| View original record | H573 - 86027 28.4.25. X.543. MOTOR TESTS. Quantities:- Volts. Amps. Speed. Torque. \ / \ / E.H.P. B.H.P. \ / Efficiency. (1) Run motor as separately excited dynamo on open circuit. Find flux - ex.… | ||
| scan0168 | Use of thinner stampings for a 20 HP starter motor. | ||
| View original record | X5793 6027 To BY/RD. from EFC. EFC2/T18.11.25. RE 20 HP. STARTER MOTOR X4384 V543 Answering your BY/RD2/ML18.11.25, there are no electrical objections to using thinner stampings, and I have no… | ||
| scan0169 | Cross-reference note for correspondence regarding a 20 HP starter motor. | ||
| View original record | X.5620. For previous correspondence in connection with 20 HP. starter motor, see file X.4384. EFC. | ||
| scan0170 | Cross-reference note for correspondence relating to solid poles for the 20 HP starter motor. | ||
| View original record | X8620 For correspondence in connection with solid poles for 20 HP. starter motor, see file X.4132. EFC. | ||
| scan0171 | Specification of inspection and test procedures for the Goshawk starter motor. | ||
| View original record | X5620 X.5781sm. R.R. GOSHAWK STARTER MOTOR. X.5620. SPECIFICATION OF INSPECTION AND TEST. Preliminary Insulation Test and Inspection. (a) Lift the opposite pair of earthed brushes (two brushes only)… | ||
| scan0172 | Test procedure for a motor, detailing the 'light test' parameters and fault diagnosis. | ||
| View original record | Contd. -2- (d) See that the insulated terminal on the carcase is not loose. TEST 1. LIGHT TEST. The motor shall be run light for a period of half an hour on a battery of three accumulator cells in… | ||
| scan0173 | Procedure document detailing the load test for a motor. | ||
| View original record | -3- Contd. TEST 2. LOAD TEST. The motor, loaded up by means of a brake, shall now be run from a 12 volt battery of ample capacity, the brake torque being adjusted until the current taken is 100±1.… | ||
| scan0174 | The effects of magnetic circuits and resistances on motor performance during load tests. | ||
| View original record | -4- Contd. that remains when the voltage required to drive the current through all the ohmic resistances of the circuit is subtracted from the available E.M.F., it being noted that the current remains… | ||
| scan0175 | Test procedures for an electric motor, detailing an intermittent load test and notes on examining brushes and commutators. | ||
| View original record | -5- Contd. TEST 3. INTERMITTENT LOAD TEST. (This test will consist of switching the motor on and off intermittently under load (about 10 secs. on and 10 secs. off) for a period of 3 minutes). During… | ||
| scan0176 | Insulation breakdown and resistance test procedures. | ||
| View original record | -6- Contd. ammeter needle, it may be depended upon to be quite satisfactory when working in conjunction with its companion brush, provided this latter is equally good. Therefore, during the load test… | ||
| scan0177 | Standardization of solid pole pieces for 20 HP dynamos and starter motors. | ||
| View original record | To BY/Cgh. from EFC. c. Wor. BY/RD. X5620 EFC4/T8.12.26. SOLID POLE PIECES X.4638. X.7620. X.8620. X.4132. X.5620. Referring to your By/Cgh21/G3.12.26, a standardisation sheet for solid poles for 20… | ||
| scan0178 | Extract discussing the standardisation of laminated dynamo and motor poles to solid poles for cost savings. | ||
| View original record | X5820 Extract from:- EFC5/T8.12.26. DYNAMO & MOTOR POLES AND ARMATURES. X.8660. 20 HP. DYNAMO. X.4638. X.5660. Field poles of this machine are laminated, but a test is being made on solid poles on the… | ||
| scan0179 | Data sheet appendix specifying standard dimensions for starting motors from various manufacturers. | ||
| View original record | STANDARD X543 I.A.E. Data Sheet No. 116. S.M.M. & T. Provisional APPENDIX Starting Motors Dimensions for [Stamp: THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD. STANDARDS DEPARTMENT] S.M.M. & T.… | ||
| scan0180 | Specification sheet for barrel mountings, listing compatible yoke diameters for various manufacturers and their contact details. | ||
| View original record | WITH BARREL MOUNTINGS. Outboard Installations only | | Diameter of Yoke. | |---|---:|---:|---:|---:| | | 3½in. | 4⅛in. | 4½in. | 5in. | | “DELCO-REMY” .. .. | — | — | Yes | Yes | | “LUCAS” .. .. .. |… | ||
| scan0181 | Specification sheet detailing motor brush dimensions for various vehicle models. | ||
| View original record | X6050 5.1.27. MOTOR BRUSH DIMENSIONS. 40/50 HP. 6" .375 1.000 .375 sq." Two on opposite sides of commutator. 20 HP. .300 .500 .150 sq." Two on opposite sides of commutator. Phantom. .340 .435 .148… | ||
| scan0182 | Order be placed for a further supply of sequence starter motor brushes. | ||
| View original record | X6050 To BY/RD. from EFC. EFC1/T22.1.27. RE SEQUENCE STARTER MOTOR BRUSHES. We cannot trace having ordered a further supply of brushes to D.70791. We should be pleased therefore if you would therefore… | ||
| scan0183 | Change notice for a starter motor, specifying brushes with longer flexes. | ||
| View original record | X6050 STARTER MOTOR - NO.2 SCHEME. Brushes with longer flexes for the above:- D.71279. EFC. | ||
| scan0184 | Listing blueprints for new parts required for a sequence starter motor commutator. | ||
| View original record | X6050 To. RHC. (Strikethrough) C. EFC. BY/RD7/ML.26.1.27. RE EAC.V11 - SEQUENCE STARTER MOTOR. LEC.2330 - SEC:8020. Please receive herewith blueprints of the new details required for the commutator of… | ||
| scan0185 | Agreeing to exclude dynamo and starter motor brushes from the spares kit, but not an L.T. Screw or Rocker Arm. | ||
| View original record | To BY from EFC. X6050 EFC3/T21.2.27. RE DYNAMO BRUSHES. X.8630/70. X.5630/70 X.8590 X.5590. Having considered the query suggested by one of our own testers (Expl. Dept.) as to whether dynamo and… | ||
| scan0186 | Test procedures for a starter motor, model X.543. | ||
| View original record | 1243 -6027- EFC/T21.4.27. TESTS OF GIVEN STARTER MOTOR. X.543. Quantities:- Volts. Amps. Speed. Torque. E.H.P. B.H.P. Efficiency. (1) Brake Test. Run motor loaded by means of variable brake with… | ||
| scan0187 | Test procedure for determining friction and plotting quantities, including horsepower calculation formulas. | ||
| View original record | -2- Contd. brush, bearing, and reduction gear friction, in the usual manner. Record the results on that portion of Form 4 which concerns this test, and so determine Φg. Complete form 5. Plot the… | ||
| scan0188 | Standardisation of punched armature plates for the 40/50 starter motor. | ||
| View original record | To BY/RD. X842 X6027 EFC3/T5.5.27. X14132 X8821 In regard to the use of punched armature plates for 40/50 starter motor, or for either of the other two motors, the standardisation of this is not a… | ||
| scan0189 | Table of figures comparing chassis starter rolling conditions for various motor models. | ||
| View original record | X523 CHASSIS STARTER ROLLING CONDITION FIGURES. X3082 X523 | MOTOR. | 45a. | 45a.sd. | 45b.expl. | 45b.prodn. | 45b.sp. | 45b.v.i.a. | 45b. V.i.a. Series par¹ | |---|---|---|---|---|---|---|---| |… | ||
| scan0190 | Standardisation of punched armature plates for dynamos and motors. | ||
| View original record | X898 6027 3 To HY/RD. from EFC. EFC2/T23.5.27. PUNCHED ARMATURE PLATES FOR DYNAMOS AND MOTORS. X294 X543 X4152 X8621 X8660 Please refer back to our EFC3/T5.5.27. So far we have not standardised the… | ||
| scan0191 | Comparison table of specifications for various starter motors for small cars. | ||
| View original record | X1543 [faint handwritten text top right] X.543. STARTER MOTOR TABLES. (Additional sheet II - Motors for small car). STARTER MOTOR. X.4342V. C.A.V. SC. X.4342S. Smith SS X.4384. R.R. Goshawk X.4342L.… | ||
| scan0192 | Using punched armature plates for the Phantom chassis starter motor, delaying the 20 HP motor. | ||
| View original record | To EFC. BY/RD4/ML24.5.27. PUNCHED ARMATURE PLATES. X.8620. X.5620. X.4132 X.543. X.294. Referring to EFC3/T5.5.27 and EFC2/T23.5.27. After the receipt of EFC3/T5.5.27, the starters on the 20 HP. and… | ||
| scan0193 | Comparative table of specifications for various starter motors. | ||
| View original record | X5482 X.543 STARTER MOTOR TABLES. X.3174 | | X.3283 C.A.V. E.C. | X.3161 LUCAS A.510. | X.1055 BIJUR A.21. | X.1242 BOSCH S.A.2. | X.2642 R.R.17. C.I.C. | X.2632 R.R.24. C.I.C. | X.3052 R.R.45a.… | ||
| scan0194 | Comparison table of technical specifications for four different starter motors for small cars. | ||
| View original record | X 543. STARTER MOTOR TABLES II. Motors for small car MOTOR x4342x C.A.V. S.C. x4342x SMITH S.S. x4384 R.R. GOSHAWK x434PL Lucas 4880 WEIGHTS IN LBS COMPLETE MACHINE WITHOUT PINION SPROCKET OR… | ||
| scan0195 | The use of punched armature plates for a 20 HP motor. | ||
| View original record | To BY/RD. from EFC. X5620 EFC3/T21.6.27. X4132 X5620 PUNCHED ARMATURE PLATES FOR 20 HP. MOTOR. Referring to your EX/RD4/ML24.5.27, you remarked :- "It was considered worth while trying a series of… | ||
| scan0196 | The use of punched armature plates in dynamos and motors, specifically the 40/50 motor and 20 HP models. | ||
| View original record | X5620 To BY/RD. from EFC. EFC7/T10.11.27. PUNCHED ARMATURE PLATES.+ X4132 Are we yet using punched armature plates in any of the standard dynamos and motors ? I think you once informed me that the… | ||
| scan0197 | Continuation of starter motor comparison tables for 40/50 HP size, Group A models. | ||
| View original record | -2- Starter Motor tables Contd. 40/50 HP. size. Group A. MOTOR: X.3247 C.A.V. ZC. | X.3161 Lucas A.510. | X.1058 Bijur A.21. | X.1248 Bosch S.45. | X.2642 RR.17. (clc.) | X.2642. RR.24. (clc.) FIELD… | ||
| scan0198 | Continuation page of a table detailing specifications for various starter motors. | ||
| View original record | -3- Starter Motor Tables - Contd. 40/50 size. Group A. | | MOTOR. | X.3247 C.A.V. ZC. | X.3161 Lucas A.S10. | X.1058 Bijur A.21. | X.1248 Bosch S.45. | X.2642 RR.17. (C1C) | X.2642 RR.24. (C1C) | |… | ||
| scan0199 | Comparison table of dimensions and weights for various starter motors for the 40/50 HP size engine. | ||
| View original record | X.543. STARTER MOTOR TABLES. 40/50 H.P. size. GROUP B | MOTOR | X.2642. RR.45a. cl c. | X.3082. RR.45a. (cl c) | X.1058 Bijur I.A.D. | X.4007 U.S.A. Bosch. | X.1086 Westinghouse. | X.4341 C.A.V. S.B.… | ||
| scan0200 | Comparative table of specifications for various starter motor models. | ||
| View original record | -2- Starter Motor tables - Contd. MOTOR. X.2642. RR.45a. clc. X.3082. RR.45a. clc. X.1058 Bijur I.A.D. X.4007 U.S.A. Bosch. X.1086 Westinghouse. X.4341. C.A.V. S.B. FIELD CIRCUIT. No. of wound poles.… | ||
| scan0201 | Table of specifications for various starter motors, continued from a previous page. | ||
| View original record | -3- Starter Motor Tables - Contd. MOTOR. X.2642. RR.45a clc. | X.3082. RR.45a. clc. | X.1058 Bijur I.A.D. | X.4007 U.S.A. Bosch. | X.1086 Westinghouse. | X.4341 C.A.V. S.B. MAGNETIC CIRCUIT. Air gap… | ||
| scan0202 | Comparison table of starter motor dimensions and weights for 40/50 HP size models. | ||
| View original record | -1- 86027 X.543. STARTER MOTOR TABLES. 40/50 H.P. size. GROUP C. MOTOR. X.4562. Robert Bosch. X.8620 R.R. E.A.C. DIMENSIONS. Carcase dia. | 4.920 | 5.000 Carcase length | 5.100 | 5.250 Carcase… | ||
| scan0203 | Comparison table of technical specifications for two different starter motors. | ||
| View original record | -2- Contd. Starter Motor Tables. X.4562 X.8620 MOTOR Robert Bosch R.R. E.A.C.S.S ---------------------------------------------------------------------- FIELD CIRCUIT No. of wound poles 2 teaz. 2 main… | ||
| scan0204 | Specifications table comparing two starter motors, a Robert Bosch and an R.R. E.A.C model. | ||
| View original record | -3- Contd. Starter Motor Tables - Contd. | | X.4562 Robert Bosch. | X.8620 R.R. E.A.C. | |---|---|---| | MOTOR | | | | MAGNETIC CIRCUIT. | | | | Air gap (inches) | .015 | .0125 | | COMMUTATOR &… | ||
| scan0205 | Comparison table of dimensions and weights for various 20 HP size starter motors. | ||
| View original record | -1- 6027 X.543. STARTER MOTOR TABLES. 20 H.P. size. GROUP a. MOTOR. | X.4342V C.A.V. SC. | X.4342S Smith SS. | X.4384 R.R. Coshawk. | X.4342L Lucas. DIMENSIONS. Carcase diameter | 4.625 | 4.500 |… | ||
| scan0206 | Continuation of a table detailing specifications for various starter motors. | ||
| View original record | -2- Starter Motor Tables - Contd. MOTOR. X.4342V. C.A.V. SC. X.4342S Smith S5 X.4384 R.R. Goshawk X.4342L Lucas. FIELD CIRCUIT. No. of wound poles: 4, 4, 4, 4 Size of conductor: -, -, -, - No. of… | ||
| scan0207 | Comparison table of specifications for various starter motors. | ||
| View original record | -3- Starter Motor Tables - Contd. MOTOR. X.4342V. C.A.V. SC. X.4342S Smith S5. X.4384 R.R. Goshawk X.4342L Lucas. MAGNETIC CIRCUIT. Air gap (inches) .027 .038 .015 .015 COMMUTATOR & BRUSHES.… | ||
| scan0208 | Procedure for conducting brake and flux tests on a starter motor. | ||
| View original record | X.EAC EFC/D15.7.29. 6027 TESTS OF GIVEN STARTER MOTOR. X.543. Quantities:- Volts. Amps. Speed. Torque. E.H.P. B.H.P. Efficiency. (1) Brake Test. Run motor loaded by means of variable brake with… | ||
| scan0209 | Procedure for conducting a static torque test on a motor, including data recording and calculation formulas. | ||
| View original record | -2- contd. (3) Static torque test. Obtain the static torque of the motor in normal condition for the various tabulated values of the main current, eliminating torque losses arising from hysteresis,… | ||
| scan0210 | Arrangement and accessibility of motor and dynamo terminals on the Phantom and 20/25 HP models. | ||
| View original record | X 5620 COPY. AD.58. 14.5.30. X.7625. X.5620. PHANTOM AND 20/25 HP. MOTOR & DYNAMO TERMINALS. X.7660. X.5660. A point on the sequence motor is the arrangement of terminals. These are rather… | ||
| scan0211 | Condition report for a Motor T7LX from 14 GTV after a 17,000-mile road test. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To: FTR Order No.: AD 59 Customer's No.: x 5620 Motor T 7LX from 14 GTV. This motor has been dismantled and examined after running 17000 miles on the car. It is a… | ||
| scan0212 | Inspection report on a motor's bearings, pinion teeth, and flywheel ring. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) N/P 3C6975 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. 19 The bearings were OK and the pinion teeth only very slightly hammered at the engaging… | ||
| scan0213 | The inaccessibility of the starter motor terminals on the Phantom II & 20/25 chassis. | ||
| View original record | X5620 To E. from EFC. To Hy. c. Da. Hs. EFC6/AD29.5.30 X.7625. X.5620. PHANTOM II & 20/25 STARTER MOTOR. ment The arrange/of terminals on the Phantom II motor is such that these are rather… | ||
| scan0214 | Simplified sequence starter for the 20/25 chassis. | ||
| View original record | X6091 To R. from EFC. C. E. EFCS/AD8.1.31. X.6091. SEQUENCE STARTER FOR 20/25 CHASSIS. From time to time suggestions have been made of the use of a simplified sequence starter for the 20 HP. In this… | ||
| scan0215 | The performance of CM5H brushes in sequence starter motors. | ||
| View original record | RR 23B (150 BKS.) (DB 451-8-12-24) MP 306975 X6050 ROLLS-ROYCE LTD. INSTRUCTIONS. To EFC Order No. AD. 81 Customer's No. X 6050 CM5H Brushes on Sequence Starter Motors Motor X was fitted with these… | ||
| scan0216 | Instruction sheet with handwritten notes regarding a machine failure and component condition. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To 19 Order No. Customer's No. Z were not at fault, the machine remains in the lab without an armature; the brushes are in… | ||
| scan0217 | Test report on a 20/25 starter motor drive fitted with a stronger spring to prevent undue slipping. | ||
| View original record | X5620 COPY WE.75. 22.1.31. X.5620 X.3587 R.R. 20/25 STARTER MOTOR DRIVE. We have tested another 20/25 starter motor fitted with a stronger spring in the Bijur drive in order to prevent undue slipping… | ||
| scan0218 | Investigation into a starter motor and auto switch failure on chassis 70.XJ due to contamination and incorrect reassembly. | ||
| View original record | X6079 BY. C.Wop. C.HD. C.SP. C.FM. C.EFC. EJEL/EG. 20.2.31. Chassis 70. XJ. Starter Motor failure. X.6079.. We have examined both Starter Motor and Auto Switch on this chassis. The Starter Motor… | ||
| scan0219 | Phantom II starter motor failure and the proposal to add a circuit diagram to the main switch cover. | ||
| View original record | To Mr. From Hs/GWH. c. to Mr. RFC. RE. PHANTOM II STARTER MOTOR. The complication of the Starter Motor system has been recently demonstrated by the results after a French mechanic had endeavoured to… | ||
| scan0220 | Inspection report on a Sequence Starter Motor from car 9 Ex after 26,700 miles. | ||
| View original record | RR 238 (150 BKS.) (OB 461-8-12-24) MP 306975 X 6079 ROLLS-ROYCE LTD. INSTRUCTIONS. To: CPE Order No: AD. 89 Customer's No: X.6079. Date: 3 March 1924 Sequence Starter Motor K from 9 Ex This is an old… | ||
| scan0221 | Inspection report noting component condition, highlighting issues with teeth, terminals, and support, recommending quality improvement. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8 12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To 19 Order No. Customer's No. The pinion splines were good but the teeth were - a little, the contact points were good. The… | ||
| scan0222 | Limitations of the Bijur starter motor and proposing alternatives for the Japan 3 model. | ||
| View original record | X6091 SECRET. E1/M3.3.31. R. from E. c. Sg. Wor. c. Hs. By. EFC. X.6091. JAPAN 3. STARTER MOTOR & DRIVE X.3587 X.4431. In our memo E2/M5.2.31 we described the limitations imposed on the flywheel by… | ||
| scan0223 | Discussion comparing the suitability of a foot-operated starter versus a sequence starter and other alternatives. | ||
| View original record | -2- E1/M3.3.31 contd A foot operated starter is not suitable for our purpose. There are already enough foot pedals with the foot switch for the lamps and the one for the central chassis lubrication.… | ||
| scan0224 | Starter motor engagement issues with the Phantom II during frosty weather. | ||
| View original record | X6079 Hs/GWH.3/KT.5.3.31. X6079 X6080 To R. From Hs/GWH. c. to Sg. Wor. c. to E. Da. c. to Ey. EFC. RE PHANTOM II. STARTER MOTOR. We have during the last two weeks been leaving a L.H. Phantom out all… | ||
| scan0225 | 19-EX starter motor jamming and a request for a bench examination. | ||
| View original record | X6079. EFC. 10.3.31. X.6079. STARTER MOTOR. AJL. reports that 19-EX motor is liable to jam partly engaged and then fail to disengage, though only on occasion. We have not been able to produce the… | ||
| scan0226 | Request to remove and examine the starter motor from car 19-EX and inspect the flywheel teeth. | ||
| View original record | X6079 RHC. from EFC. c. Hs/AJL. EFCB3AD10.3.31. X.6079. 19-EX STARTER MOTOR. Would you please have the starter motor removed from 19-EX and handed to us for examination on account of uncertain… | ||
| scan0227 | Technical note on Phantom II sequence starter engagement issues and a proposed experiment using helical teeth. | ||
| View original record | X6079 COPY. WE.88 18.3.31. X.6079/80. PHANTOM II SEQUENCE STARTER ENGAGEMENT. There does appear to be a greater proportion of rotational torque to axial force on engagement with the standard sequence… | ||
| scan0228 | Experimenting with a 7.5 degree spiral pinion and gear ring for the Phantom II sequence starter gear. | ||
| View original record | X6079 To Ry. from EFC. EFCl/ADl9.3.31. X.6080 PHANTOM II SEQUENCE STARTER GEAR. X.6079 We are anxious at this stage to make an up-to-date experiment of slightly spiral pinion and gear wheel teeth for… | ||
| scan0229 | Recurring starter motor failures during chassis testing and the urgency of resolving the issue. | ||
| View original record | X6079 Sft. for Mr. Brock. cr. By. c. EFC.✓ Mxl/BH19.3.31. Left Hand Ph.II - Starter Motor. With reference to the recent failures of starter motors on chassis on test, which we have conclusively… | ||
| scan0230 | Malfunctioning starter motor (No. N15U) on a L.H. Ph.II Chassis. | ||
| View original record | X6079 Sft. for Mr Brock. c. to EFC. re L.H. Ph.II Chassis - Starter Motors. RECEIVED 1931 MAR 19 The starter motor No. N15U returned to you herewith is one you have attended to and handed back to us.… | ||
| scan0231 | Cold-weather test on a Phantom II starter motor to diagnose failures caused by congealed oil. | ||
| View original record | X6079 To R. From Hs/GWH. c. to sg. Wor. c. to E. Da. c. to By. Hs/GWH.1/KT.21.3.31. RE. PHANTOM II. STARTER MOTOR. To confirm our recent failures during the frosty weather, we took the starter motor… | ||
| scan0232 | Failure analysis of a sequence starter motor after a 25,000-mile test. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X6079. ROLLS-ROYCE LTD. INSTRUCTIONS. To: (E) ISP Order No.: AD.92. Customer's No.: X6079 Date: 24 March 1931 Sequence Starter Motor W from 19EX This… | ||
| scan0233 | Instructions regarding a motor test, noting issues with low torque and excessive lubrication at the commutator end. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. The action was found to be very smooth and the machine passed the Production and the engine… | ||
| scan0234 | Engagement faults with the Phantom II sequence starter motor and revised test specifications. | ||
| View original record | X6079 By. from EFC. c. Sft/Mr.Brock. EFCl/AD26.3.31. X.6079. PHANTOM II SEQUENCE STARTER MOTOR. As referred to in our EFCl/ADl9.3.31, there have been, as you know, one or two cases recently in which… | ||
| scan0235 | Continued report on machine testing, lubrication issues, and proposed modifications to a motor. | ||
| View original record | -2- EFC/AD26.3.31 contd. brush was tight in its housing. The switch terminal was rather loose. On reassembly, the leather wiper with which this machine was fitted, was omitted. The action was found to… | ||
| scan0236 | The performance of the Phantom II starter motor after a modification. | ||
| View original record | X6079 Sft/Mr. Brock. c. EFC. re. PHANTOM II. STARTER MOTORS. The starter motor R.85.E. which has given so much trouble, is now functioning very satisfactorily after "C" modification has been carried… | ||
| scan0237 | Modification to the Phantom II Sequence Starter Gear, which has been put in abeyance. | ||
| View original record | X6079 To By. from EFC. c. By/RD. EFC1/AD2.4.31. X.6080. PHANTOM II SEQUENCE STARTER GEAR. X.6079. Further to our EFC1/ADL9.3.31, Ry/RD. has pointed out to me that this involves new crankcase and gear… | ||
| scan0238 | Proposal to disconnect the Bijur oil supply system from the starter motor on the 40-50 HP Chassis and use self-lubricating bearings. | ||
| View original record | RHC. c - Hs. X6079 BY/RD6/W.13-4-31 RECEIVED 1931 APR HS Re :- 40-50 H.P. Chassis. Starter Motor. It is proposed to disconnect the Bijur oil supply system from the Starter Motor owing to the Damper… | ||
| scan0239 | Inspection report on a motor fault caused by incompetent dismantling and repair of a floating bush and pinion. | ||
| View original record | X6079 WOF. C/Man. C/Insp. C/Des/Test. C.E. C.Piz. EJB/SC.16.5.31. Re; chassis 94.XJ. 'M' Test. I have examined this motor and I presume that the original trouble was that the pinion refused to engage.… | ||
| scan0240 | Request to obtain an Austin 7 or Riley 9 starter motor for experimental adaptation to an epicyclic gear change. | ||
| View original record | HS. FROM DA. X8013 86027. DA3/M21.5.31. Could you obtain an Austin 7. starter motor and send it down to us for our inspection, or as this is a 6V. machine and might not be suitable for actual use, if… | ||
| scan0241 | Starter motor modifications and a condenser replacement for a 40/50 chassis 10,000-mile test. | ||
| View original record | X6079 RHC. from Hs/HEW. c. Hs/GWH. Hs/HEW2/AD23.5.31. X6001 X6079 40/50 CHASSIS 10,000 MILE TEST. When the starter motor on this chassis is removed for modifications as set out in Ry/RDL2/W19.5.31 we… | ||
| scan0242 | The failure of a starter motor on chassis 34-XJ, detailing the investigation and cause. | ||
| View original record | X6079. Wor. from Hs/HEW. c. Hy c. Sft/Mr.Brock. Hs/HEW3/AD23.5.31. X6079. X8783 FAILURE OF STARTER MOTOR ON CHASSIS 34-XJ - N. DEPT. With reference to report EJRL/EG16.5.31 on this motor, Er's remarks… | ||
| scan0243 | Samples of an Austin Seven starter motor for a visit. | ||
| View original record | X542. γ 6027. To Roy. From Hs. c. to Wor. Hs.7/MJ.28.5.31. We attach herewith a note from Da. in which . you will see he is asking for an Austin Seven starter motor or some other very similar type… | ||
| scan0244 | Request to overhaul and modify a sequence starter motor for a test rig. | ||
| View original record | X6079. RHC. from Hs/HEW. Hs/HEW4/AD29.5.31. SEQUENCE STARTER MOTOR. Will you please have starter motor No. AQ which we use on our test rig, overhauled and modified as follows :- (a) Grapholoy bearings… | ||
| scan0245 | Suggesting a test of a new aluminium bronze starter pinion for the 40-50 HP chassis to achieve a more 'ladylike' engagement. | ||
| View original record | X6079 PHO c - Hs. BY/RD4/W.18-6-31 Re : - 40-50 H.P.Chassis. - Starter Motor - It has been suggested to us that a bronze pinion would be more "ladylike" in its engagement and treatment of the… | ||
| scan0246 | Unsatisfactory performance of self-lubricated Grapholly bearings in a Phantom II starter motor. | ||
| View original record | X6079 By. from Hs/HEW. c. By/RD. c. RHC. Hs/HEW3/AD23.6.31. GRAPHOLLY BEARINGS ON PHANTOM II SEQUENCE STARTER MOTOR. As explained verbally to Mr. Bavis, we have found these self lubricated bearings in… | ||
| scan0247 | Continued document page outlining suggestions for modifying a steel housing and bearing assembly. | ||
| View original record | -2- Hs/HEW3/AD23.6.31 contd. Other suggestions are (a) To make this steel housing all in Phosphor bronze, delete the floating bush and have the inside bearing surface treated with Graphite as in the… | ||
| scan0248 | Requesting the fitting of British Carbon brushes to a starter motor for a 10,000-mile test. | ||
| View original record | X. 5620. RHC. from Hs/HEW. Hs/HEW2/AD23.6.31. STARTER MOTOR ON 19-GIV. Will you please arrange to have British Carbon brushes D.50228 fitted to this motor for the 10,000 mile test. We have a set of… | ||
| scan0249 | Issues found with British carbon brushes fitted to a starter motor during a 10,000-mile test. | ||
| View original record | X 6050. By/RD. from Hs/HEW. Hs/HEW2/AD29.6.31. X6049 X6050. BRITISH CARBON BRUSHES ON STARTER MOTOR. We have had fitted a set of the above to the starter motor on 19-GIV. for the 10,000 mile test. The… | ||
| scan0250 | Methods to waterproof the P.2 starter motor due to failures from water ingress. | ||
| View original record | By. from Hs/HEW. c. E. X6079 Hs/HEW2/AD8.7.31. SEQUENCE STARTER MOTOR PROTECTION FROM WATER. From time to time we have suggested that provision should be made to prevent water getting inside the… | ||
| scan0251 | Instruction to manufacture two D.73363 starter motor pinions for testing on a 40/50 chassis. | ||
| View original record | X6079. RHC. from Hs/Wst. Hs/Wst.6/AD.12.10.31. 40/50 CHASSIS STARTER MOTOR. Will you please have made for test two starter motor pinions D.73363 as instructed by Ry/RD4/W18.6.31. Hs/Wst. | ||
| scan0252 | Instruction to modify the total thickness of cork washers on drawing D.52214 for a 20 HP starter motor to prevent slipping. | ||
| View original record | X5620 To Hs. From Hs/GWH. c. to By. Hs/GWH.3/MJ:13.10.31. 20 HP. STARTER MOTOR. Arrgt. Drawing D.52214. Please make total thickness of cork washers to .488 to overcome slipping. Hs/G.W.Hancokk | ||
| scan0253 | Request to fit a new aluminium bronze pinion onto a sequence starter on a test rig. | ||
| View original record | X6079. RHC. from Hs/Wst. Hs/Wst.1/ADL 4.10.31. Will you please have the sequence starter on our test rig fitted with a new aluminium bronze pinion, for test. Hs/Wst. | ||
| scan0254 | Ongoing slipping issues with the 25 HP starter motor and potential solutions. | ||
| View original record | X5620 Ry. from Hs/GWH. c: Wor. c. Mr.Brock. Hs/GWH.1/AD15.10.31. 25 HP. STARTER MOTOR. We have still got trouble with slipping with the starter motor on the 25 HP. in service. We find that we can add… | ||
| scan0255 | Providing six 'Bound Brook Oil-less Bearings' bushes from Hardy Spicer for the 40-50 HP Chassis starter motor. | ||
| View original record | WSI X6079 Hs. BY/RD3/W.23-10-31. Re :- 40-50 H.P.Chassis. Starter Motor. We hand you herewith six bushes for the pinion end of the starter motor from Hardy Spicer. Will you please have these tried out… | ||
| scan0256 | Request to trial new oil-less starter motor bearing bushes from Hardy Spicers. | ||
| View original record | X6079 RHC. from Hs/Wst. Hs/Wst.2/AD25.10.31. 40/50 STARTER MOTOR. We have some oil-less starter motor driving end bearing bushes received from Hardy Spicers for trial. Will you please have one of… | ||
| scan0257 | Design for an ignition with an external primary and a cheaper sequence starter for certain chassis. | ||
| View original record | COPY. X6091 HS/WST. FROM R. R3/M27.10.31. X6058 X5620 C. to SG. WOR. BY. ELECTRICAL WORK IGNITION & STARTER. I understand that you are expecting WW. to send you a design for an ignition with external… | ||
| scan0258 | Samples of self-lubricated Oilite bearings for the 40/50 HP starter motor. | ||
| View original record | X6079. To By/RD. from Hs/Wst. Hs/Wst.5/KT.28.10.31. SELF LUBRICATED BEARINGS FOR THE 40/50 HP. STARTER MOTOR. We send you herewith samples of the Oilite bearings as used by the Delco-Remy Co. on their… | ||
| scan0259 | Customer complaint about a faulty starter motor for a Phantom II chassis. | ||
| View original record | WST X6079 EY. C.to Sft. C.to Hs. C.to S'ham. C.to Sft/Mr.Brock. Hd/AVS.3/KH.18.11.31. RE: PHANTOM II CHASSIS 135.GN - L.GOLDBERG ESQ., We have received from the above customer 1-D.72275 starter motor… | ||
| scan0260 | The testing of new aluminium bronze materials for the starter motor pinion on the 40-50 HP Chassis. | ||
| View original record | RHC. c - Hs. X6079 BY/RD4/W.7-12-31. Re :- 40-50 H.P. Chassis. -Starter Motor- With reference to the Starting Pinion made in aluminium bronze, which was found to work satisfactorily until the teeth… | ||
| scan0261 | Preliminary calculations for a 4 1/2' carcase sequence starter motor, including armature and field specifications. | ||
| View original record | X6091 To By. From Hs/Wst. c. to By/Rd. Hs/Wst.1/MA.17.12.31. J.3. SEQUENCE STARTER MOTOR. We have now completed preliminary calculations for this 4 1/2" carcase motor and append them herewith so that… | ||
| scan0262 | Preliminary calculations for a 4½ inch diameter starter motor (Sequence J.3). | ||
| View original record | Y6091 To R. E. From Hs/Wst. Hs/Wst.2/MA.17.12.31. J.3. STARTER MOTOR (SEQUENCE). We give below preliminary calculations for this 4½" dia, motor which are being tried out by Ry. to see if the same are… | ||
| scan0263 | Record of a telephone conversation regarding the electrical system for the Japan III Peregrine model. | ||
| View original record | E. c. HS. c. BY/SS. c. BY/RD. X6134. BY.3/G.21.12.31. (X6091 X6134 (X6005 RECORD OF TELEPHONE CONVERSATION WITH WW. - 11. 12. 31. RE JAPAN III PEREGRINE - ELECTRICAL SYSTEM. STARTER MOTORS. It was… | ||
| scan0264 | Record of a telephone conversation regarding the electrical system design for the Japan III and Peregrine chassis. | ||
| View original record | E. c. Hs. c. BY/SS. c. BY/RD. X6091 BY./S/G. 21.12.31. X6091 X6134 X6005 RECORD OF TELEPHONE CONVERSATION WITH WW. - 11. 12. 31. RE JAPAN III PEREGRINE - ELECTRICAL SYSTEM. STARTER MOTORS. It was… | ||
| scan0265 | Inquiry regarding the design progress of a new two-way foot switch for a three-lamp scheme. | ||
| View original record | *4520 X6073 Cx/Hdyll/JL.13.5.30. S/W (EFC) Copy to Cx [text is crossed out] Re: TWO-WAY FOOT SWITCH. ------------------------- We should like to know how the design of the R.R. two-way foot switch for… | ||
| scan0266 | Design and production of a two-way foot switch for the central lamp scheme. | ||
| View original record | X4520. X6073 W/S. CX/Hdy. from EFC. c. CX. EFC11/AML6.5.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Referring to your Cx/Hdyll/JL13.5.30, I took this matter up again with… | ||
| scan0267 | Proposing the in-house design of a dimming switch for L. and R.H. chassis. | ||
| View original record | EFC. FROM E. X4520. X6073 E4/M23.5.30. C. to SG. WOR. C. to BY. HS. X.4520. DIMMING SWITCH. Regarding the above R. is of the opinion that it would be of no use to encourage Lucas' to design and make a… | ||
| scan0268 | Letter from Joseph Lucas Ltd regarding a characteristic curve for a Lucas C.5. 12 volt Dynamo and a sample foot-operated light switch. | ||
| View original record | REGISTERED OFFICES & GENERAL DEP'TS GREAT KING STREET. BIRMINGHAM LONDON OFFICE & SHOWROOMS 224, SHAFTESBURY AVENUE, W.C.2. LUCAS "KING OF THE ROAD" LAMPS. LUCAS STARTING & LIGHTING EQUIPMENT FOR… | ||
| scan0269 | Letter to Joseph Lucas Ltd. discussing issues with dynamo output curves and a two-way foot-operated switch. | ||
| View original record | X4620. X6072. EFCl/AD. 23rd June, 1930. Messrs. Joseph Lucas Ltd. Well St. Birmingham. Dear Sirs, We have to thank you for yours X/LT/5. of the 5th inst. together with enclosure and two-way foot… | ||
| scan0270 | Page two of a letter to Messrs. Joseph Lucas Ltd. concerning the need for a reliable high-amperage switch. | ||
| View original record | Messrs. Joseph Lucas Ltd. Well St. Birmingham. 23rd June, 1930. -2- The combined current, for instance, might be as great as 10 amperes. For this purpose an extremely reliable form of switch is… | ||
| scan0271 | Letter from Joseph Lucas Limited discussing tests on a foot-operated switch and the curve of a C.5 Dynamo output. | ||
| View original record | REGISTERED OFFICES & GENERAL DEP'TS GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS 224, SHAFTESBURY AVENUE, W. C. 2. EFC X4820. X6072 JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET… | ||
| scan0272 | Test report detailing temperature rise and output variation for a C.5. Dynamo. | ||
| View original record | June 26/30 ROLLS ROYCE C.5. Dynamo Curve No. LD Hot curve and temperature taken after 2 hours run at full output speed. Armature Temp: rise by resistance 89oC Field Coils ditto 77.5oC Commutator Temp:… | ||
| scan0273 | Test report from Joseph Lucas Research Laboratories on a foot-operated dipper or changeover switch. | ||
| View original record | C.20.6 THE JOSEPH LUCAS RESEARCH LABORATORIES, BIRMINGHAM. ENGLAND. REF. NO. DATE 8.7.30. TO REPORT ON E.S. 18.DIPPER OR CHANGEOVER SWITCH, FOOT OPERATED, WITH 3 PIN PLUG AND SPLIT PINS ATTACHED. The… | ||
| scan0274 | Status of a two-way foot switch design and the temporary use of a Bosch alternative. | ||
| View original record | *4520 X6073 Cx/Hdy17/JL.28.7.30. S/W (EFC). X.4520 - TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. ------------------------------------------------------ I shall be pleased if you will… | ||
| scan0275 | Two-way foot switch design for a central lamp scheme. | ||
| View original record | X4520 X6073 W/S. Cx/Hdy. from EFC. EFC2/AD6.8.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. In answer to your Cx/Hdy17/JL28.7.30 please find attached copy of Mr.Elliott's… | ||
| scan0276 | Requesting an update on the progress of a new two-way foot switch design to replace a Bosch unit. | ||
| View original record | X4520 X6073. Cx/Hdy7/JL.14.8.30. S/W (EFC) X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. ----------------------------- In your memo EFC2/AD6.8.30 you said you would probably be… | ||
| scan0277 | Development of a two-way foot switch for the central lamp scheme to replace a Bosch component. | ||
| View original record | X4520. X6073. To E. from EFC. EFC3/ADL8.8.30. X. 4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Sales are continually enquiring of us regarding the position of the R.R. design of… | ||
| scan0278 | Two-way foot switch design for a central lamp scheme. | ||
| View original record | *4520. X6073 Cx/Hdy. from EFC. EFC4/ADL8.8.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Answering your Cx/Hdy7/JL14.8.30, we have today written Mr.Elliott again to remind… | ||
| scan0279 | Follow-up communication regarding a two-way foot switch design for a central lamp scheme. | ||
| View original record | S/W. EFC. X4520 X6073 CX/Hdy1/BE.19.9.30. X.4520. Two way foot switch of R.R. design for central lamp scheme. ---------------------------------------- Now that another month has elapsed, we shall be… | ||
| scan0280 | Development status and personal preference for a two-way foot switch for a central lamp scheme. | ||
| View original record | XC4520. X6073 EFC. from E. c. Sg. c. PN. Hs. E4/M20.9.30. RE - TWO WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. In reply to your memo EFC3/ADL8.8.30. we have nothing in hand yet for this… | ||
| scan0281 | Communication noting no further news on the design of the two-way foot switch for the central lamp scheme. | ||
| View original record | X4520 X6073 W/S. Cx/Hdy. from EFC. EFC5/AD20.9.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Replying to Cx/Hdy1/BE19.9.30 we have had no further news from W.W. regarding the… | ||
| scan0282 | Two-way foot switch of R.R. design for a central lamp scheme. | ||
| View original record | X4520 X6073 CX/Hdy. from EFC. EFC1/AD22.9.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Further to our EFC5/AD20.9.30, we have in the meanwhile received a note from… | ||
| scan0283 | Development of a two-way foot switch for the central lamp scheme. | ||
| View original record | Y4520 Y6073 To EFC. from PN. c. to Sg. c. to R. PN.15/CP22.9.30. re. Two-way Foot Switch for Central Lamp Scheme. Referring to E4/M20.9.30 I am glad that it is now fully understood that we are anxious… | ||
| scan0284 | Development of a two-way foot switch for a central lamp lighting system. | ||
| View original record | X4520. X6073 Cx1/KW30.9.30. S/W. EFC. copy to Hdy. Re- Two-way Foot Switch of R-R Design for Central Lamp Scheme. Thank you for your EFC1/AD22930 together with copy of E4/M20930. We are still very… | ||
| scan0285 | Special switch from the Lucas Company, intended as a potential substitute for a German-made Bosch switch for operating the 3rd Lamp. | ||
| View original record | To Hs. from ROY. (Hs. is struck through) c. to BY. (BY. is struck through) c. to EFC Handwritten at top: 9450 *4500 X6072 ROY3/MG3.10.30 The Lucas Company have completed a special Switch for operating… | ||
| scan0286 | Examination and critique of a Lucas Foot Switch, noting its design flaws. | ||
| View original record | Passed to E.T.C. K.4520. X6072 ROY. BY/RD3/W.6-10-30. RECEIVED 7 OCT 1930 Re :- Lucas Foot Switch, (ROY3/MG.3-10-30.) We have examined the Switch and find that it is exactly the same as the one… | ||
| scan0287 | Follow-up inquiry regarding the design of a two-way foot switch for a central lamp scheme. | ||
| View original record | S/W- EFC. RECEIVED 29 OCT 1930 X4520. X6073. Cx/Hdy20/T.28.10.30 X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Now that another month has elapsed, we shall be pleased to hear… | ||
| scan0288 | Design and testing of a two-way foot switch for a central lamp scheme. | ||
| View original record | X4520. X6073. Cx/Hdy. from EEC. EFC5/AD31.10.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. Answering your Cx/Hdy 20/T28.10.30. we regret that we still have no news from… | ||
| scan0289 | Design and testing of a two-way foot switch for a central lamp scheme. | ||
| View original record | X4520 X6073 To E. from EFC. EFC6/AD31.10.30. X.4520. TWO-WAY FOOT SWITCH OF R.R. DESIGN FOR CENTRAL LAMP SCHEME. May we again enquire of you regarding the position of the R.R. design of two-way foot… | ||
| scan0290 | Two-way foot switch for a central lamp scheme. | ||
| View original record | *4520. X6073. RECEIVED 26 NOV 1930 Cx/Hdvl/MJV.25.11.30. S/W. Two-way Foot Switch of R.R.Design for Central Lamp Scheme. We duly received your memo. EFC5/AD.31.10.30 and have been waiting to hear what… | ||
| scan0291 | Lucas enquiry for a Central Lamp Control Switch and the search for an English replacement for the Bosch part. | ||
| View original record | X.1520 (crossed out) X6072 To EFC. from ROY. ROY2/MG28.11.30 Messrs. Lucas are now asking if we can give them any information regarding the Central Lamp Control Switch, of which supplies (struck… | ||
| scan0292 | Information regarding the Lucas Centre Lamp Control Switch. | ||
| View original record | Handwritten: *1520 X6072 To EFC. from ROY. ROY19/MG3.12.30 Could you now let us have any information regarding the Lucas Centre Lamp Control Switch? ROY. [Signature] [Stamp: RECEIVED DEC 1930] | ||
| scan0293 | Testing of a Lucas two-way switch on an experimental chassis and the decision to postpone standardization. | ||
| View original record | X4520. X6072. Roy. from EFC. c. Cx/Hdy. EFCl/AD8.12.30. X.4520. LUCAS TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. In answer to your enquiries regarding the above we have put the switch on experimental… | ||
| scan0294 | Querying a decision on a new Lucas switch and requesting information on a two-way footswitch design. | ||
| View original record | X6073. X6072/3. Cx/Hdy1/MJV.12.1.31. S/W. (EFC). Lucas two-way switch for Central lamp scheme. Referring to your memo to Roy. reference EFC1/AD. 8.12.30, have you come to any decision yet please,… | ||
| scan0295 | Lucas and Rolls-Royce designs of a two-way switch for a central lamp scheme. | ||
| View original record | X6073. W/S. Cx/Hdy. from EFC. c. E. EFCl/AD26.1.31. X.6072/3. LUCAS AND R.R. DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. Answering your Cx/Hdy1/MJV1.2.1.31 we have not yet experienced sufficient… | ||
| scan0296 | Design of a two-way switch for the central lamp scheme to minimise voltage loss. | ||
| View original record | X6073 To E. from EFC. EFC5/ADLO.3.31. X.6073. R.R. DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME: We should be pleased to know if you have yet been able to give any attention to the R.R. design of… | ||
| scan0297 | The design and testing of a Lucas two-way switch compared to a Bosch switch. | ||
| View original record | X6073 Hdy2/V.17.3.31. S/W (EFC). X6072/3 LUCAS AND R.R. DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. Referring to your memo. EFC1/AD26.1.31 we should like to know the present position regarding… | ||
| scan0298 | Instructions and report regarding the testing and fitting of Lucas foot switches. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X60721 ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No.: AD91 Customer's No.: X6077 20 Dec 1931 Lucas Foot Switches Reports on the above were made in AD 48… | ||
| scan0299 | The performance and voltage drop tests of a Lucas two-way switch for a central lamp scheme. | ||
| View original record | W/S. X6073 Cx/Hdy. from EFC. c. E. EFC1/AD20.3.31. X.6072/3. LUCAS AND R.R. DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. Answering your CX/Hdy2/V17.3.31, a Lucas switch has now run 4,600 miles on… | ||
| scan0300 | Design of a switch, comparing the Lucas switch unfavourably with a Bosch two-way switch. | ||
| View original record | EFC1/AD20.3.31. contd. -2- In regard to the design of the R.R. switch I have heard nothing further from Mr.Elliott and we must be content to let the matter rest in his hands. We are in agreement with… | ||
| scan0301 | Design of a two-way switch for a central lamp scheme. | ||
| View original record | X 6073 Hdy3/V.27.3.31. CH S/W (EFC). 28 MAR 1931 Technical OK. RECEIVED X6072/3 LUCAS AND R.R.DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. We thank you for your memo. EFC1/AD20.3.31 and have… | ||
| scan0302 | Testing of a Lucas two-way switch for the central lamp scheme on chassis 19-EX. | ||
| View original record | X6072 RHC. from EFC. c. Hs/AJL. EFC1/AD31.3.31. X.6072. LUCAS TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. Herewith we hand to you one of the above switches. Will you please arrange to have this fitted to… | ||
| scan0303 | Replacing the instrument board-fitted Lucas dipping switch with a foot-operated switch for 25 HP dipping lamps. | ||
| View original record | BY. FROM DA/EV. X6072 DA/EV1/M13.11.31. X6072 X4555 C. to SG. WOR. C. to HS. CX. HN. 25 HP. DIPPING LAMPS. We further discussed with SG. yesterday the problem of providing cheaply and simply something… | ||
| scan0304 | Request to obtain a new Lucas foot-operated 'Dipper' switch for experimental car 20-EX due to repeated trouble. | ||
| View original record | γ X6072 Mr.Mills.O.O.From Hs/Pgt. Hs/Pgt.3/MA.18.7.32. We have had repeated trouble with a Lucas foot-operated "Dipper" switch, on experimental car 20-EX, and have decided to remove it as soon as the… | ||
| scan0305 | Faulty ammeter and Lucas foot-operated changeover switch on car 20-EX. | ||
| View original record | X6072 RHC. From Hs/Pgt. c. A.J.L. Hs/Pgt.4/MA.19.7.32. We understand that both the ammeter and the Lucas foot-operated changeover switch on 20-EX, have given trouble; the ammeter through "sticking",… | ||
| scan0306 | Note confirming the decision to retain the foot-operated dipping switch on the Phantom II car. | ||
| View original record | X6073. S/W. To E. from Sg. copy to Wor. Hs. E. PN. Cx. re Controls on Steering columns. Sg4/D29.7.32. Referring to Sg16/E22.7.32 and the last paragraph, just a note to confirm my conversation with you… | ||
| scan0307 | The design adaptation of an auto switch unit for a long type distribution board and switchbox. | ||
| View original record | By/RD. from EFC. c. By. X6047. EFC5/T25.3.29. X.6046 X.6047 LONG TYPE DISTRIBUTION BOARD INCORPORATING AUTO CHARGE CONTROL SWITCH AND SWITCHBOX FOR OPERATING THEREWITH. X.4008 This will confirm that… | ||
| scan0308 | The specifications for switchboxes to work with a long distribution box and auto switch unit. | ||
| View original record | X6047 To Ry/RD. from EFC. EFCl/T8.5.29. X.6046. LONG DISTRIBUTION BOX WITH AUTO X.6047. SWITCH UNIT. Switchboxes to work in conjunction with same. We already have on 14-GIV one of the original India… | ||
| scan0309 | Alternative switchbox arrangements and the implementation of experimental auto charge control systems. | ||
| View original record | X6047. Extract from note in X.7730. ref. EFC2/AD8.7.29. Further to the above switchbox arrangement most suited to the long distribution board with incorporated auto switch is - M & C M B & C B (& A)… | ||
| scan0310 | Request for three modified switchboxes to operate with long distribution boxes incorporating auto charge control switches. | ||
| View original record | X6047. By. from EFC. c. By/RD. c. Wor. EFC2/AD8.12.30. X.6047. SWITCHBOXES SUITABLE FOR OPERATION WITH LONG DISTRIBUTION BOXES INCORPORATING AUTO CHARGE CONTROL SWITCHES. May we please refer you to… | ||
| scan0311 | Urging the experimental shop to proceed with instructions regarding switchboxes for auto charge control switches. | ||
| View original record | X6097. By. from EFC. EFC11/AMO.3.31. X.6047. SWITCHBOXES FOR OPERATION WITH AUTO CHARGE CONTROL SWITCHES. May we please now urge with you the instructioningto the experimental shop of the above… | ||
| scan0312 | Cross-reference note for the 40/50 switchbox (general). | ||
| View original record | X.6070. 1.1.31. For previous matter relating to 40/50 switchbox (general) see X.7730. | ||
| scan0313 | The alteration of a switchbox on chassis 58-GN, listing required parts and material considerations. | ||
| View original record | X6070 COPY. RHC. By/RD6/W1.1.31. Re - Switchbox. Section 8160 X.6070 Chassis No. 58-GN - Sg's car. X.6016. In order to suitably alter the Switchbox fitted to the above car, so that charging takes… | ||
| scan0314 | Arrangement for repairing chassis switchboxes for a customer at 'N'. | ||
| View original record | X6070 W/N. Br. from Hs/HEW. c. Ry. Hs/HEW5/AD23.5.31. REPAIR OF CHASSIS SWITCHBOXES. With reference to the repair of switchboxes at N. we have arranged with Ry. that if you are willing to send Kemp up… | ||
| scan0315 | Letter arranging for a chief electrician to visit Derby to acquire knowledge on repairing chassis switchboxes. | ||
| View original record | N-W. Hs/HEW. to By X6070 Br1/WG.27.5.31. X8783 X6070. Technical - re repair of chassis switchboxes. ----------------- Many thanks for your Hs/HEW5/AD.23.5.31. We are pleased to note that you agree to… | ||
| scan0316 | Arranging training for an electrician on the repair of chassis switchboxes to address non-interchangeable keys. | ||
| View original record | X6070 Wor. from Hs/HEW. c. Sft/Mr.Brock. Hs/HEW2/AD29.5.31. REPAIR OF CHASSIS SWITCHBOXES. With reference to the last paragraphs of Hs/HEW6/AD23.5.31, Br. has arranged to send his electrician Kemp to… | ||
| scan0317 | Cover memo for the test specification of a 40/50 Switchbox. | ||
| View original record | X6070 Ey. from Hs/CAP. c. Sft/Mr. Brock. Hs/CAP1/AM15.6.31. 40/50 SWITCHBOX. X.6070 X.6088 Herewith please receive Specification of Test for the above. Hs/CAP. Attached. | ||
| scan0318 | Specification of test for a 40/50 switchbox. | ||
| View original record | SPECIFICATION OF TEST FOR 40/50 SWITCHBOX. Type - Two-rate charge. Full output with side and tail lamps on. Armature circuit broken before field circuit. ----------------- (1) Inspect the following… | ||
| scan0319 | Set of electrical testing procedures for a switch unit using a 12-volt battery and lamp. | ||
| View original record | -2- (a) First connect terminal No.6 to the positive of a 12 volt battery and connect one terminal of a 12 volt lamp (preferably a large c.p. O.M.F. lamp taking 4 amperes) to the negative end of the… | ||
| scan0320 | Electrical experimental record sheet for a 40/50 Switch-box test. | ||
| View original record | X6070. X.No. Item No. T.S A1 ELECTRICAL EXPERIMENTAL RECORD SHEET. Description of item :- 40/50 Switch-box. 7-R charge. Full output S&T. Arm. breaks first. Date on. Location. REMARKS. Miles reading… | ||
| scan0321 | The price paid by the Bentley Co. for a large Bosch switchbox. | ||
| View original record | X6070 Hy.. from Hs/Wst. Hs/Wst.4/ADL8.3.32. Can you please let us know, if possible, the price paid by the Bentley Co. for the large Bosch switchbox such as was fitted to the latest 8 litre. Hs/Wst. | ||
| scan0322 | Request for the return of a Bosch switchbox lent for inspection. | ||
| View original record | X6070 PN. From Hs/Wst. Hs/Wst.3/MA.3. 5. 32. BOSCH SWITCHBOX. We should be glad if you will kindly arrange to return at your convenience the above switchbox which we lent to you for SG's inspection.… | ||
| scan0323 | Phantom II being moved using the starter motor and a suggestion to create a full electrical cut-off when the ignition is locked. | ||
| View original record | X6070. To: "Hs", DERBY. Showrooms Sr/Dnl6/ET.3.11.32. I do not want to trouble you unduly, but the following incident was brought to my notice recently in a Paris garage concerning a Phantom II car… | ||
| scan0324 | Recommendation for a key-controlled locking switchbox to secure all vehicle electrical circuits. | ||
| View original record | X6070 To Sr. (Paris Showrooms) Hs/Wst.1/AD8.11.32. LOCKING OF SWITCHBOX Replying to your Sr/Dnl6/ET3.11.32, naturally we do not recommend the use of the starter motor for moving the chassis about and… | ||
| scan0325 | Design requirement for a new switch-box to prevent battery discharge. | ||
| View original record | X6070 E. From Hs/Wst. Hs/Wst.2/MA.28.12.32. NEW R.R. SWITCH-BOX. X6069 We hope on the new switchbox you are designing, that all circuits including body lights and accessories will be off when the… | ||
| scan0326 | Starter motor test curves for the Peregrine N° P.4 motor. | ||
| View original record | STARTER MOTOR TEST CURVES MOTOR:- PEREGRINE N° P.4. (ARMATURE D100427) EFFICIENCY VOLTAGE AMPÈRES B.H.P. R.P.M. TORQUE (POUND INCHES) AMPERES B.H.P. VOLTS EFFICIENCY R.P.M. L.B. 7-1-33 | ||
| scan0327 | Performance graph showing test curves for the Peregrine starter motor, armature D100364. | ||
| View original record | STARTER MOTOR TEST CURVES MOTOR:- PEREGRINE Nº P.3 (ARMATURE D100364) Curve Labels: AMPERES, B.H.P, EFFICIENCY, SPEED Y-Axis Labels: EFFICIENCY, VOLTAGE, AMPERES, B.H.P, R.P.M X-Axis Label: TORQUE… | ||
| scan0328 | Graph of performance test curves for a Bosch starter motor. | ||
| View original record | STARTER MOTOR TEST CURVES MOTOR:- BOSCH Nº:- B.G.C. 9.9/12 EFFICIENCY VOLTAGE AMPERES B.H.P. R.P.M. TORQUE (POUND INCHES) SPEED | ||
| scan0329 | Note requesting an update to the switchbox test specification to prevent ignition circuit interruption. | ||
| View original record | Hs/Wst. WST 86070 BY/RD4/W.24.1.34. SWITCHBOX TEST SPECIFICATION. Referring in particular to the Test Specification for 40/50 H.P.Chassis Switchbox,will you please add a note requesting the Works to… | ||