Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Letter from Rolls-Royce of America concerning electrical installation, fuses, and cutouts for a chassis. | ||
| View original record | X4900 Cyl - G 28.9.20. Sept. 28th. 1920. Mr. Claude Johnson, Managing Director. Rolls-Royce Ltd., London, England. Attention: Mr. F. H. Royce. Dear Sir:- X.2515. Re: Electrical Installation on R.R.… | ||
| Scan002 | Inquiry regarding the Remy thermostatic control switch for generator output. | ||
| View original record | X 4200 To EWT. for OY. from EFC. EFC7/T15.4.21. 4200 X.4369 - REMY THERMOSTATIC CONTROL FOR GENERATOR OUTPUT Do you know of the Remy thermostatic control switch which varies the output of the… | ||
| Scan003 | Technical letter explaining the operation and function of a thermostat unit for a generator. | ||
| View original record | X. 4200 Rolls-Royce of America, Inc. Springfield, Mass. Attention: Mr. M. Olley Gentlemen: I am mailing to you under separate cover one of our thermostat units. You will note that it is a simple… | ||
| Scan004 | Letter from the Remy Electric Company explaining the operation of a generator with a thermostat in hot weather. | ||
| View original record | In the summer time, on account of the high temperature of the atmosphere, the generator will heat up sufficiently to cause the thermostat to open in 10 to 15 minutes, when the output will be reduced… | ||
| Scan005 | Letter regarding sending a Remy thermostat unit for information as requested. | ||
| View original record | X. 4200 Oy7 - G 23521 May 23, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Messrs. Clarke & Royce. Dear Sir:- X.4200. Re: Remy Thermostat Unit We are… | ||
| Scan006 | Letter discussing the functionality, application, and suitability of the Remy Thermostat Unit. | ||
| View original record | X.4200 Oy10 - G 4821 August 4, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Messrs. Royce & Clarke. Dear Sir:- X.4200 Re: Remy Thermostat Unit. X.294… | ||
| Scan007 | Request for a sample of thermostatic bimetal strip for experimental work. | ||
| View original record | X4200 Roy. from EFC. EFC1/AD7.10.29. THERMOSTATIC METAL.. Referring to attached letter, and curves now returned, it would probably be quite useful to us in experimental work to have a small quantity… | ||
| Scan008 | Follow-up memo regarding the urgent matter of bimetal thermostatic control of dynamo output. | ||
| View original record | X4200 Roy. from EFC. EFC2/ADL.1.30. X.4200. THERMOSTATIC METAL. Please refer to our EFC1/AD7.10.29. We have heard nothing from you in respect of this and in the meanwhile the matter has become of… | ||
| Scan009 | New combined fitting for the instrument board of future cars. | ||
| View original record | X4202 Extract from R1/G31.8.20. X.4173. RE LOCKS. X.4172. X.3504. X.4202. X.4188. In our future cars the Klaxon contact is being fitted to the steering column, and a new combined fitting is being made… | ||
| Scan010 | The inadequacy of Lucas fuses and Klaxon switches, and the development of new electrical components. | ||
| View original record | X4202 To R.R. of America Inc. from R. (For the attention of OY). Copy to CJ. " " PN. " " Hs. " " Da. " " EP. " " Ey. " " EFC. RB/G22.10.20. X.2515. RE FUSES. X.4202. X.4165. With reference to fuses,… | ||
| Scan011 | Arrangements for an experimental car with a saloon body being shipped to the U.S.A. for winter testing, including a list of new parts to be fitted. | ||
| View original record | To R. from Hs. c. to CJ. c. to En. c. to E. c. to Da. c. to My. x4202 Hs1/LG4.11.20. X.3918. EXPERIMENTAL CAR FOR U.S.A. X.3754a/b. Arrangements have been made so that this car will be shipped on the… | ||
| Scan012 | The fitting of new parts to the 6.EX experimental car by coachbuilder Park Ward. | ||
| View original record | x4202 To R. from Hs. C. to C.J. C. to Bn. C. to E. C. to Ds. Hs2/LG13.11.20. X. 3923a/b. RE 6.EX. Car. ---------- ------------ We took 6.EX Car to Park Wards, Willesden last week. We called there and… | ||
| Scan013 | Query regarding potential wiring modifications, the introduction of a new switchbox, and the adoption of a Smith dynamo for the 'P' Series chassis. | ||
| View original record | R.R. 255a (100 T) (S.H. 159. 11-8-20) G. 2200 X4202 Hs. from By. c. EFC. By6/P17.11.20. X.4173. X.295. X.4202. We would like to know definitely whether it is seriously considered that we shall modify… | ||
| Scan014 | Blueprints and design for a proposed Klaxon horn switch on Mr. Royce's car 6.EX. | ||
| View original record | X4202 To By. from Da. c. to Hs. (1 print). c. to Tb. (1 print). c. to RHC. (1 print). c. to EFC. (1 print). Dal/CB1.12.20. X.3923b. RE MR. ROYCE'S CAR 6.EX - KLAXON HORN. X.4202. Please receive… | ||
| Scan015 | List of experimental parts fitted to chassis 4.EX. | ||
| View original record | R.R. 598A (100 T) (S.H) 189. 11-5-20 G. 2800 x4202 To EFC. from RHC. c.c. to Ms. RHC4/LG2.12.20. X.3764. RE CHASSIS 4.EX. Will you kindly note, the following experimental parts have been fitted to the… | ||
| Scan016 | Design of an ignition switch and its integration with Lucas Dynamos and dual ignition systems. | ||
| View original record | X4202 OY. from HS. Hsl/LG17.3.21. With reference to your memo. OY2/G3.3.21. I think the Switch you describe is an excellent arrangement for existing cars with Lucas Dynamos. As it appears that on this… | ||
| Scan017 | The Klaxon switch and Dynamo/Cutout for 4 EX cars returned from America. | ||
| View original record | X4202 Extract from R1/G17.6.21. X.3764 - REPORT ON 4 EX RETURNED FROM AMERICA. (8) KLAXON SWITCH. X.4202. Regarding the Klaxon switch, we are using the modification of the starter press button switch… | ||
| Scan018 | Cover note for a letter from Springfield regarding the fire danger of a steering column switch. | ||
| View original record | X4202 EWT to Bv. c to Hs. x to Thn. X4202 X1413 EWT7/FG20.7.21 FO / JUL 21 1921 RECEIVED Re Fire Danger of Steering Column Switch. Attached hereto is copy of letter from Springfield, reference Oy2 - G… | ||
| Scan019 | Letter concerning the fire danger of a steering column switch and suggestions for a solution. | ||
| View original record | COPY. c Mr. Nadin. Mr. Bagnall. Mr. Hulley. Mr. Southern. Mr. Caswell. Oy2 - G 28621. June 28th 1921. Mr. Claude Johnson. Managing Director. Rolls-Royce Ltd., London. England. Attentuon. Mr. F.H.Royce… | ||
| Scan020 | Danger of fire related to the steering column switch. | ||
| View original record | X4202 To R. from Hs. c. to GJ. c. to E. c. to BY. c. to Ds. c. to EP. [Handwritten and crossed out: X413] [Handwritten in circle: Y3431] Hs6/LCS.8.21. STEERING COLUMN SWITCH. We think the danger of… | ||
| Scan021 | Extract of comments from Mr. Platford regarding a Klaxon switch and a Lucas cut-out. | ||
| View original record | X4202 Extract from EP/Thnl/H13.8.21. X.3719. X.4202. (2) Klaxon Switch. See item No.8 R's memo (R1/G17.6.21) "Springfield insist must be on steering column and switch on the top, not bottom of column.… | ||
| Scan022 | Letter discussing the design and advantages of the Benjamin Co. Klaxon switch used in American cars. | ||
| View original record | R.R. 238a (60 T S.H. 286, 19-5-11) G. 300 S X4202 CC Mr. Belnap, Mr. Nadin. August, 18, 1921. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Qy5-G18821. Attention: Mr. Royce… | ||
| Scan023 | Suggestion to modify the ignition switch to enforce the use of both ignition systems to avoid complaints of slow running. | ||
| View original record | Oy5-G18821. Contd. In connection with this same matter, we would suggest that the present steering column switch be dispensed with and a control switch like the Delco with only two positions for the… | ||
| Scan024 | Proposal document outlining alterations for the American chassis, covering lubrication, battery, braking, and starter motor. | ||
| View original record | X.4206 Alterations proposed on American R.R. bass. Contd. -4- By. December. 2nd. 1919. would be filled up with oil periodically, from a syringe and the oil would pass through the hole drilled in the… | ||
| Scan025 | Letter discussing the specifications of Exide batteries, proposing a new form factor, and providing test data. | ||
| View original record | X4206 Oy3 - G71020 Oct. 7, 1920 RECEIVED J.S. 30 OCT 20 RECEIVED 2 NOV 1920 U.S. & A. DEPT. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Mr. Clarke. Dear Sir:-… | ||
| Scan026 | Test results and specifications for the Model 6LXR-9-1 and Exide batteries. | ||
| View original record | Py3 - G71020 Oct. 7, 1920 Mr. Claude Johnson - 2 Model 6LXR-9-1 (Cont'd) Amps taken on braking (mean) 150 amps Amps taken on roll (mean) 75 amps Capacity test (maximum to stalling) 26 min. Cranking… | ||
| Scan027 | Letter to Mr. Claude Johnson regarding battery capacity and generator performance issues. | ||
| View original record | Oy3 - C71020 Oct. 7, 1920 Mr. Claude Johnson - 3 Our only doubt about this battery is whether the capacity is great enough. We are informed that the S.A.E. standard for a car of our capacity is an 90… | ||
| Scan028 | Improvements to Exide batteries, comparing new Tudor and British Exide cells to the current standard. | ||
| View original record | X.4206 To R & E. from EFC. c. to CJ. & PN. c. to Hy. & Hn. c. to Da. & EP. c. to EHT. for R.R.Inc. EFC3/T7.3.21. X.664 - BATTERIES. X.4288 X.3717 X.4206 x979 x.3629 Further to our EFC7/T18.2.21 and… | ||
| Scan029 | Battery modifications and an examination of new Tudor batteries. | ||
| View original record | Contd. -2- 3. The wood separators have been made larger so as to project beyond the edges of the plates and it is now considered that this will render the possibility of short circuits due to buckling… | ||
| Scan030 | The construction and features of a received battery, comparing it to previous versions and specifications. | ||
| View original record | Contd. -3- as in a previous battery we received. 3. There is rather more metal in the positive grids than previously, the idea being to give greater robustness at the sacrifice of a little efficiency.… | ||
| Scan031 | The performance of Exide and De Martis batteries, detailing issues and manufacturer claims. | ||
| View original record | Contd. -4- RFC3/T7.3.21. We think that both this battery and the new Exide battery should give very good results in service, eliminating entirely, we anticipate, the short circuit failures due to… | ||
| Scan032 | Evaluation of a Ni-Fe Alkaline battery, detailing its construction and comparing its performance against an Exide battery. | ||
| View original record | Contd. -5- EFCG/T7.3.21. All this sounds like a fairy-tale, but if there is only a small portion of truth in their claims, we have considered it decidedly worth our while investigating this battery.… | ||
| Scan033 | List of battery weights and the capacity of a De Martis battery. | ||
| View original record | Contd. -6- EFC3/T7.3.21. The weights of these batteries are as follows :- Improved British Exide - 79½ lbs. R.R. Tudor. - 90 lbs. U.S.A. Exide. - 85½ lbs. De Martis. - 76½ lbs. The rated capacity of… | ||
| Scan034 | Listing the weights in pounds (lbs) for various types of batteries. | ||
| View original record | X.4206 95173. 7.3.21. EFC. FD.47. X.664 - BATTERIES X.979. X.1723. X.4206. X.4288. X.3629. WEIGHTS. U.S.A. Exide 85.5 lbs. Special Chloride with pitched-in cells. 79.5 lbs. De Martis. 76.5 lbs. R.R.… | ||
| Scan035 | Requesting the cost of five different experimental sample batteries for a report being prepared for Mr. Royce. | ||
| View original record | X.4206 To Wd. from EFC. c. Wd/Ms. EFC1/T7.3.21. X.4288. X.979. X.3629. X.4206. X.1198. X.664 - BATTERIES - GENERAL. We should be glad if you could let us have particulars of the cost of new sample… | ||
| Scan036 | Log sheet for the routine treatment and testing of a car battery. | ||
| View original record | X. 4206 ROUTINE TREATMENT OF CAR LIGHTING & STARTING BATTERIES. FORM A. Date:- 8-3-21. Battery under treatment: USA Exide 6 LXR 9. I Rated capacity:- — ampere hours. Received charged or uncharged:… | ||
| Scan037 | Second charge and subsequent discharge cycle of a battery test. | ||
| View original record | Contd. -2- Date:- (6) Second Charge :- Amperes from to Hours. Amp.Hours. 6.0 4.30 5.30. 1.0. 6.0. 16-3-21. 6.0 8.0. 5.30. 9.5 57.0 17-3-21. 4.0 8.0 5.30 9.5 38.0 18-3-21 4.0 8.0 12.0 4.0 16.0. 19-3-21… | ||
| Scan038 | Test report detailing battery cell densities, charge, and discharge measurements. | ||
| View original record | -2- Contd. Date:- (11) Cell densities :- (1) Acid Low in cell (4) acid low in cell (2) 1140 (5) 1120 (3) 1100 (6) 1100. )12) Third charge equivalent to average current of 5.0 amperes for 20 hours.… | ||
| Scan039 | Data log recording cell densities before and after a fourth charge cycle. | ||
| View original record | -4- Contd. Date. (14) Cell densities. (1) 1140 (4) 1170 (2) 1160 (5) 1150 (3) 1160 (6) 1150. 4/4/21 (15) Fourth charge equivalent to average current of 5.0 amperes for 20.0 hours i.e. 100.… | ||
| Scan040 | From EFC to Wd/Ms cancelling a price request for a U.S.A. 6-LXR-9-1 Exide battery. | ||
| View original record | X4206 To Wd/Ms. from EFC. EFC1/T10.3.21. X.664 - BATTERIES. X. 4206 Many thanks for your Wd/Ms39/RJ9.3.21 giving costs of batteries as requested in our EFC1/T7.3.21. It will not be necessary to obtain… | ||
| Scan041 | Assessment of the good and bad points of a U.S.A. Exide battery. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X4206 95203 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.T.C. Order No: X.4206. Customer's No: F.D. 77 Date: 4/4/21 Re: Good & Bad points of U.S.A. Exide battery.… | ||
| Scan042 | Cover letter forwarding a copy of a letter from America regarding batteries. | ||
| View original record | XL206 EWT to EFC RECEIVED MAY 11 1921 EWT/HJC3/G11.5.21. Re: Batteries. Attached hereto, for your information, is copy of letter reference Oy5/G26421 addressed to CJ. from America. EWT YHR. U.S.A.… | ||
| Scan043 | Letter from Rolls-Royce of America discussing the cost of an Exide battery and recommending a change to a Willard battery. | ||
| View original record | X4206 Oy5 - G 26421 April 26, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Messrs. E.F.Clarke & F.H.Royce. Dear Sir:- Re: Batteries I note from recent… | ||
| Scan044 | Test report on a U.S.A. Exide 6 LXR/9/1 battery, noting issues with burnt connections and high internal resistance. | ||
| View original record | X.4206. Extract from EFC4/T2.6.21. X.664 - BATTERIES. Battery No.60 U.S.A. Exide 6 LXR/9/1. This battery is very similar to the British Exide except for the fact of having burnt up connections. It has… | ||
| Scan045 | Letter from The Electric Storage Battery Co. proposing a new type XXC battery for Rolls Royce of America cars. | ||
| View original record | X.4206 SUB: ROLLS ROYCE OF AMERICA THE ELECTRIC STORAGE BATTERY CO. 25-31 West 43rd Street, New York. June 2, 1921 Rolls Royce of America, X. 4206. Springfield, Mass. Attention Mr. H.C.Ross Assistant… | ||
| Scan046 | Letter from a battery supplier comparing the specifications and pricing of different battery models. | ||
| View original record | -2- I am giving you below data on the new XXC-13 and XXC-15 batteries as compared with the LXR-9 battery which you have been using - Type Capacity Dimensions Weight Intermit. rate. 5 amp. Rate. 20… | ||
| Scan047 | Graph showing terminal volts at the motor using various batteries and starter cables. | ||
| View original record | TERMINAL VOLTS AT MOTOR OBTAINED WITH VARIOUS BATTERIES AND STARTER CABLES ON R-R CAR. TEMPERATURES 60°F to 80°F. EXPLANATION BATTERY VOLTAGE DROPS ARE APPROX. FROM TESTS THEY ARE VOLTAGES AFTER 5… | ||
| Scan048 | Letter to the Managing Director discussing test results of batteries and starter motors from Westinghouse, Exide, and Bijur. | ||
| View original record | X4206 Cy4-G8621. June 8, 1921. X.3654. X.1086. X.802. X.4206. X.1198. X. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Mr. Hives. Dear Sir, Re Batteries and… | ||
| Scan049 | Comparison of Westinghouse and Bijur starting motor and battery performance on the 4-EX model. | ||
| View original record | E.R. 584 (100 T) (S.H. 189, 11-8-20) G. 7500 -2- Contd. We subsequently ran 4-EX for a long time with the original Westinghouse starting motor and the SJW battery, and found that under all conditions… | ||
| Scan050 | Page discussing starting motor characteristics, voltage curves, and Willard battery specifications. | ||
| View original record | S.H. 8854/100 T) (S.H. 159. 11-5-30) G. 7500 -3- Contd. The line is an S.A.E. standard and is 12 volts at zero amps, 10 volts at 200 amps, and 8 volts at 400 amps, (straight line characteristic). If… | ||
| Scan051 | Comparison of battery specifications, costs, and details of starter cables. | ||
| View original record | Oy4-G8621. -5- Contd. BATTERIES (Cont'd). Exide 6LXR-9-1 (present battery) Length Width Height Weight Ampere Hour Capacity At 20 in in in in inter- minute Inches Inches Inches Pounds mittent 5 7-1/2… | ||
| Scan052 | Battery position and starter cable for improved starting performance and weight reduction. | ||
| View original record | -5- Contd. Oy4-G 8621. .625 lbs. per ft. or 15 lbs. per car. Voltage drop .16 volts per 100 amps. The external diameter of the No.0 cable is .6" over the braid. From the above particulars I think it… | ||
| Scan053 | Letter discussing starter motor brake tests, comparing performance curves, efficiencies, and testing methodologies. | ||
| View original record | H.R.P. 222a. 100 T's (S.H. 159. 11-5-20) G. 5500 X4206 July 17, 1921. OY-1-G.16721. X.4298. X.4206. X.802. X.1198. X.3308. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England.… | ||
| Scan054 | Battery and starter cable performance, comparing different models to S.A.E. standards, particularly under winter conditions. | ||
| View original record | H.R. 285A (100 T) S.H. 159. 11-8-20; C. 7500 OY1-G16721. -2- Contd. to our letter CY4-G8621 to the attention of Mr. Hives, on the subject of "Batteries and Starter Cables", and to the accompanying… | ||
| Scan055 | Cold weather starting performance and suggesting further testing procedures. | ||
| View original record | H.R.&A.100A 100 T(S.H. 159, 11-8-20) G. 8800 -3- Contd. OY1-G 16721. Although we were not able to take accurate records of current consumption, all our experiences on cold cars last winter with the… | ||
| Scan056 | Battery record log detailing service, testing, and performance from 1921. | ||
| View original record | x4206. BATTERY RECORD. Battery No. 6D. Battery U.S.A Exide 6LXR9E. No. 4206. Date. Service on. If on car miles run. If on test notes re use. Total miles run. Remarks re performance. 7/3/21 | Bench | —… | ||
| Scan057 | Letter from Conner Magneto and Ignition Ltd. offering a sample of their new 6-cylinder magneto for testing. | ||
| View original record | PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: COVENTRY 1049. X4210 C·M·I CONNER MAGNETO AND IGNITION LTD. [STAMPS & ANNOTATIONS - TOP LEFT] H3 TEST DEPT OCT 28 1920… | ||
| Scan058 | Proposed meeting with the Managing Director of Conner Magneto Co. to discuss their magneto. | ||
| View original record | H.H. 988a (100 T) (S.G. 643, 19-5-20) C. 2018. [STAMP: RECEIVED NOV. 11 1920 with clock face and checkboxes: EFC. from Wd., c. to Hs., c. to Ey., c. to FP., c. to Wor.] X4210 Wd1/NJ11.11.20. X 4210… | ||
| Scan059 | Arranging a meeting for Tuesday 16th to discuss the qualities of the 'Conner' magneto. | ||
| View original record | H.R. 321b (100 T) R.H. 89. 22-7-20. G 2768 X 4210 To Wd. from EFC. EFC2/T12.11.20. X.4210 - "CONNER" MAGNETO. With reference to your note Wd1/NJ11.11.20, so far as I can see at present Tuesday next,… | ||
| Scan060 | Letter to The Conner Magneto & Ignition Ltd. regarding comparative tests on a 6-cylinder magneto. | ||
| View original record | H.R. 285a (100 T) (S.G. 643, 19-2-20) G. 2618 X.4210 Copy for EFC. Wd13/NJW161120. 16th November,1920. Messrs.The Conner Magneto & Ignition Ltd., Coventry. X.4210 Dear Sirs, Referring to the visit… | ||
| Scan061 | Forwarding two letters from Conner Magneto & Ignition Ltd. regarding an agreement and an interview. | ||
| View original record | EFC. from Wd X4210 Wd10/NJ18.11.20. X.4210 Conner Magneto & Ignition Ltd. I sent you a copy of mine Wd13/NJ16.11.20 to these people and I now send you herewith two letters from said firm, both dated… | ||
| Scan062 | Letter from Conner Magneto and Ignition Ltd. agreeing to supply magnetos for destructive testing under specific conditions. | ||
| View original record | TELEGRAMS: "CONMAG, COVENTRY." PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: COVENTRY 1049. C·M·I CONNER MAGNETO AND IGNITION LTD. CODES USED: WESTERN UNION & A.B.C.… | ||
| Scan063 | Letter from Conner Magneto and Ignition Ltd. regarding a trial of an S.H.6170 type magneto. | ||
| View original record | PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEGRAMS: "CONMAG, COVENTRY." C.M.I CONNER MAGNETO AND IGNITION LTD. CODES USED: WESTERN UNION & A.B.C. 5TH EDITION. REFERENCES:… | ||
| Scan064 | The second page of a letter from Conner Magneto & Ignition Limited regarding their testing systems and inviting a visit. | ||
| View original record | Continued. To. Messrs Rolls Royce Ltd From CONNER MAGNETO & IGNITION LIMITED. reliable as possible, and to this end we have adopted a most strenuous system of testing for the purpose of eliminating… | ||
| Scan065 | Article from 'The Motor' magazine about a new C.M.I. magneto designed for effective ignition at low engine speeds in luxury cars. | ||
| View original record | S N JUN 14 1920 Reprinted from The Motor May 12, 1920. X 4270 M.D. 14 JUN 1920 (filed 19.6.20) S.N. JUN 14 1920 RECEIVED A MAGNETO FOR THE CAR DE LUXE New Type of C.M.I. Machine, Providing Effective… | ||
| Scan066 | Article discussing the design and performance of a magneto for deluxe cars, including a comparison graph. | ||
| View original record | A MAGNETO FOR THE CAR DE LUXE.—Contd. into action. The copper strip placed in the magnetic field constitutes an electrical circuit and exhibits the property of opposing the distortion of the field… | ||
| Scan067 | From 'The Motor' magazine detailing the mechanism and operation of a new magneto impulse starter. | ||
| View original record | X 4210 September 22, 1920. 339 The Motor A NEW MAGNETO IMPULSE STARTER. A Simple Mechanism, Combining the Action of a Flat Coil Spring and Two Steel Balls, for Giving Rapid Initial Movement to the… | ||
| Scan068 | Page from 'The Motor' magazine illustrating luxurious examples of enclosed drive body designs. | ||
| View original record | The Motor 340 September 22, 1920. SOME LUXURIOUS EXAMPLES of BODY DESIGN. The Increasing Popularity of the Enclosed Drive. :: this handsome car further shows the all-round general excellence in… | ||
| Scan069 | Extract from a report discussing and comparing various types of magnetos from different manufacturers. | ||
| View original record | X.4210 - Magnetos - Extract -3- Contd. KFC1/T1.1.21. attention because of doubt as to whether they would excel our present standard. This, however, is an incorrect impression on his part, it having… | ||
| Scan070 | Pricing of Watford and Bosch magnetos and considering alternatives from B.T.H. and Conner. | ||
| View original record | X.2.210 To R. from EFC. EFC1/T14.1.21. X.427. - Z.R. 6 R. BOSCH MAGNETO. X.430. X.2375. (6) The lowest price that Messrs. North will accept for present Watford magnetos is £12.0.0 delivered at our… | ||
| Scan071 | Consideration and prioritisation of the C.M.1 'Conner' magneto. | ||
| View original record | S. K. 526a (100 T) (S. H 798, 10-12-20) G. 5947 X.4210 To Wd. from EFC. EFC2/T18.1.21. X.4210 - "CONNER" MAGNETO. With reference to the letter received from Mr. Turner in connection with the C.M.1… | ||
| Scan072 | Follow-up letter enquiring about a report on a C.M.1 Magneto. | ||
| View original record | COPY. 64, North George St., Salford, Lancs. 15th Jan. 1921. J. Whitehead Esq., Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Mr. Whitehead, I wonder if by this time Mr. Clark has reported on… | ||
| Scan073 | Letter regarding the delayed testing of a C.M.1 Magneto and a request to expedite the process. | ||
| View original record | R R 255A (100 T) (S H. 159, 11-8-20) C. 2800 X 4210 64, North George St. Salford. Lancs. 26th January, 1921. J. Whitehead Esq., Messrs. Rolls-Royce Ltd., Nightingale Road, D e r b y. Dear Mr.… | ||
| Scan074 | The preliminary bench testing of a 'Conner' C.M.1 Magneto. | ||
| View original record | R.R. 285A (100 T) (S.H. 150, 11-8-20) G. BROS X.4210 To Wd. From EFC. EFC2/T27.1.21. X.4210 - "CONNER" C.M.1 MAGNETO. X 430 This magneto is at present undergoing our preliminary bench tests. It is our… | ||
| Scan075 | Preliminary report on the Conner C.M.1 magneto. | ||
| View original record | X.4210 To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Bn. c. to Da. c. to EP. c. to By. c. to EWT. for R.R. Inc. EFC1/T27.1.21. X.4210. CONNER C.M.1 MAGNETO. Herewith please receive copy of my… | ||
| Scan076 | Preliminary report on the Conner Magneto C.M.I., detailing its construction, weight and features compared to competing models. | ||
| View original record | R.N. 336A (100 T) (S.H 159 11-8-20) G. 2500 EFC. P.A.58 Jan. 24th 1921. X. 4210 - PRELIMINARY REPORT ON CONNER MAGNETO C.M.I. This machine is strongly made and has a well finished appearance, with a… | ||
| Scan077 | Continued description of magneto pole-shoe operation and distributor gear wheel construction. | ||
| View original record | P.A.38. -2- Contd. the main body of the shoe. Encircling the section where the extension widens out into the main shoe, is fixed a thick rectangular band or collar. This arrangement at low speeds… | ||
| Scan078 | Failure of a 'Conner' magneto contact breaker lever during endurance testing. | ||
| View original record | To Wd. from EFC. c. Wd/Ms. X.4210 EFCl/T4.2.21. X.4210 - "CONNER" MAGNETO. We have got a certain way with our bench tests of the "Conner" magneto, but have found the contact breaker lever… | ||
| Scan079 | Reply from Conner Magneto & Ignition Ltd. regarding a faulty contact breaker lever. | ||
| View original record | R.R. 235A (100 T) (S H. 788, 10-12-20) G. 1947 EFC. from Wd. X.4210 E.F.C FEB - 8 Wd3/NJG.2.21. RECEIVED X 4210 "Conner" The remarks in yours EFC1/T4.2.21 were duly communicated to Conner Magneto &… | ||
| Scan080 | Test record detailing the design and performance of a Conner magneto. | ||
| View original record | K.R. 275a. (100 T) (S.H. 189, 11-8-20) G. 2500 X. 4210 -1- X.430. FORM FOR RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- March. 7th 21. Magneto on test, Maker :- Conner. X. No. :- 4210.… | ||
| Scan081 | Specifications for distributor, platinum point gap, and contact breaker timing. | ||
| View original record | -2- Contd. (5) Distributor :- Total pitch :- 1.686" Conductor width :- 1.040" Brush width :- .170" Position of brush at break (advanced) :- .16" " " " " (retarded) :- .60" (6) Platinum point gap :-… | ||
| Scan082 | Test results page showing endurance test observations and primary volt/ampere-speed curves. | ||
| View original record | R.R. E.S.S. /100 T/ (S.H 139. 11-8-26) G 2800 -3- Contd. (7)h Endurance test :- Slight signs of tracking, and marks on segments which appear to have been due to small arcs. Platinum points slightly… | ||
| Scan083 | Test report page detailing circuit tests, an RPM test, and a note about a failed contact-breaker lever. | ||
| View original record | Contd -4- T.M.S. D/1051/31. H.F. 15.6.31/L.A.D./E.B.M. (10) Short-circuit test :- O.K. (11) Open circuit test :- O.K. (12) Test at 1500 R.P.M. O.K. (13) (a) 9.5 m.m. (b) 8.6 m.m. (c) 5.4 m.m. (d) 3.6… | ||
| Scan084 | High and low speed sparking characteristics, resistance values, and milli-ampere readings. | ||
| View original record | -5- Contd. (15) High speed sparking characteristics :- Regular sparking takes place at all high speeds, for advance on 7.5mm gaps, central 7.5mm, and retard 6.5mm. With lever advanced, shorting any… | ||
| Scan085 | Specifications for platinum point gap and contact breaker timing. | ||
| View original record | S.R. 253a (100 T) (S.H 159. 11-8-30) G. 2800 -6- Contd. (2d') Platinum point gap :- .010" Contact breaker timing :- Table 1: Make. Break. A. +16.5 95.5 R. 64 141.5 Table 2: Retarded. Advanced. Make.… | ||
| Scan086 | Specifications for platinum point gap, contact breaker timing, and armature core flux. | ||
| View original record | -7- Contd. (22b) Platinum point gap :- .014" Contact breaker timing :- | | Make. | Break. | |---|---|---| | A. | +17° | 91.5° | | R. | 64.5° | 139.5° | | | Retarded. | Advanced. | |---|---|---| |… | ||
| Scan087 | Experimental bench tests of a Conner Type C.M.1 Magneto. | ||
| View original record | To E. & E. from KFC. c. to CJ. & FN. c. to Da. & EP. c. to By. & Bn. c. to EWT. for R.R.Inc. X.4210 EFC2/T19.3.21. X.4210 - CONNER TYPE C.M.1 MAGNETO. REPORT ON EXPERIMENTAL BENCH TESTS. One of the… | ||
| Scan088 | Results of various electrical tests on a magneto component, page 2. | ||
| View original record | Contd. -2- EFC2/T19.3.21. 6. Referring to the position of maximum armature flux at dead slow as datum position, we found that the make occurred 14.5º and 63º after this position for the advanced and… | ||
| Scan089 | Test report on the advance, retard, and sparking characteristics of an ignition component. | ||
| View original record | Contd. -3- EFC2/T19.3.21. 14. A range of advance and retard was now arrived at as described in our EFC4/T3.2.21. but in the process of this the contact breaker lever failed receiving a permanent set… | ||
| Scan090 | Experimental bench tests and assessment of three different magnetos. | ||
| View original record | To H & E. from EFC. c. CJ. & PN. c. Ey. & Bn. c. Da. & EP. c. EWT. for R.R.Inc. X.4210 EFC5/T21.3.21. X.430 - MAGNETOS - GENERAL X.3724 X.3515 X.4210 Independently of this note we are sending reports… | ||
| Scan091 | Continued document discussing ranges and the results of bench tests on magnetos. | ||
| View original record | Contd. -2- EFCB/T21.3.21. ranges of 34° suitably chosen independently of the makers ranges, together with remarks re the choosing of the range. This table, which we hope will be of interest, will… | ||
| Scan092 | The performance curves and characteristics of various magnetos. | ||
| View original record | R.R. 285A (60 T):S.H. 98c. 18-5-21) G. 306S X4210 To R.H. ex-from LFC. c. to Glyde. FN. c. to Bye. & Bny. c. to Dv. & DP. c. to ESI. for R.R.Inc. EFC5/TEL.3.21. X.430 - MAGNETOS -GENERAL. X 3723 X… | ||
| Scan093 | Comparison of low sparking speeds and bench test results for various magnetos, including Watford, Conner, and Bosch types. | ||
| View original record | To R & E. from EFC. Contd. -2- EFCB/T31.3.21. position than in the advanced, the 34° range was selected from the more retarded portion of the makers range instead of from the more advanced portion,… | ||
| Scan094 | Table of lowest speeds in RPM for regular firing of magnetos with 0.5mm gaps in air. | ||
| View original record | 22.3.21. K.430. MAGNETOS. TABLE OF LOWEST SPEEDS IN R.P.M. FOR REGULAR FIRING ON 0.5mm. GAPS IN AIR. N.B. Test range between advance and retard 34° in all cases (except Watford E.O.6a - 32°). Magneto.… | ||
| Scan095 | Comparative table of performance data for various magnetos, continued from a previous page. | ||
| View original record | -2- Contd. TABLE DATA Column Headers: Magneto., Type and Number., X. No., Lowest speeds. Adv., Lowest speeds. Cent., Lowest speeds. Retd., Remarks. Row 1: Magneto.: R. Bosch. Type and Number.: Z.R.6.… | ||
| Scan096 | Table of results detailing magneto performance tests. | ||
| View original record | A. 23.3.21. X.430. - TABLE OF RESULTS OF MAGNETO PERFORMANCE. (I) Magneto. | Type & No. | X. No. | (1) Weight (LBS). | (3) Air gap ("). | (4) H.T. safety gap (mm) | (6) Platinum gap. (inches). | (9)… | ||
| Scan097 | Comparative data table for various magneto models and their performance characteristics. | ||
| View original record | -2- A. Magneto. | Degrees of make. | Maker's make advanced. | Maker's break advanced. | Our break advanced. | Our break Retarded. | Lowest speeds for 5.5 mms. | Remarks. | | | | | | Adv. | Cent. |… | ||
| Scan098 | Comparison table of test results for various magnetos, including Watford, Bosch, Dixie, Conner, and B.T.H. | ||
| View original record | -3- A. Contd. Magneto. | (17) Contact breaker firing speed (R.P.M.) | (18) Primary resistance (Ohms). | (19) Secondary resistance (Ohms). | (20) Secondary m.a. on 108 volts 50~ Hor. Vert. | (24)… | ||
| Scan099 | Graph of open circuit volt-speed and short circuit ampere-speed curves for the primary windings of Dixie, B.T.H., and Conner magnetos. | ||
| View original record | S C AMPERES O C VOLTS RPM B.T.H. FM6 CONNER C.M.I. DIXIE (AERO) 64% AMPERES VOLTS OPEN CIRCUIT VOLT-SPEED AND SHORT CIRCUIT AMPERE-SPEED CURVES OF PRIMARY WINDINGS OF DIXIE, B.T.H, AND CONNER MAGNETOS… | ||
| Scan100 | Stamped document page from the Print Room. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM H 2 MAR 12/ DERBY | ||
| Scan101 | Favourable bench test results of a Conner C.M.1 magneto and the next steps for evaluation. | ||
| View original record | X.4210 Wd. from EFC. EFC3/T4.4.21. X.4210 - CONNER C.M.1 MAGNETO. X 4289 This magneto has given quite a favourable impression on our bench tests and we must now either send this to Mr. Royce for… | ||
| Scan102 | Letter quoting Conner Magneto & Ignition Ltd. regarding satisfactory tests and pricing for the Conner C.M.1 Magneto. | ||
| View original record | H. R. S&A (100 T) TN H 798. 10-12-20) G. 3947 EFC. from Wd. X. 4210. Wd6/NJ7.4.21. X.4210 - Conner C.M.1 Magneto. In reply to yours EFC3/T4.4.21, we have a letter from Conner Magneto & Ignition Ltd.… | ||
| Scan103 | Comparing the performance and efficiency of various magnetos and suggesting alterations to the standard Watford magneto. | ||
| View original record | X.4210. To EFC. from R. c. to CH. c. to Wpr. c. to Ey. c. to RB. c. to De. c. to FH. c. to HP. c. to WM. R5/09.4.21. X.430. MAGNETOS. X.2375. X.3916. X.4181 X.3724 X.4216. X.427. X.3917. It will be… | ||
| Scan104 | Arranging the return of a Conner C.M.1 Magneto as it was not superior to the current standard. | ||
| View original record | To Wd/Ms. from EFC. X4210 EFC2/T18.12.22. X.4210 - CONNER C.M.1 MAGNETO We should be glad if you would make arrangements for the return of this magneto, No.8263, to the Conner Magneto Company, as we… | ||
| Scan105 | Instruction to return magneto No. 8263 to The Conner Magneto & Ignition Limited as it is of no use after testing. | ||
| View original record | X.4210. c. to Mr Chatwin. c. to [text struck through] c. to EFC. [text struck through] Wd/Dn5/HP21.12.22 Please despatch by passenger train, carriage paid, to The Conner Magneto & Ignition Limited,… | ||
| Scan106 | Inquiry to Conner Magneto & Ignition Ltd. regarding magnetos with automatic ignition advance. | ||
| View original record | X 4210. EFC7/T. 4th July, 1924. Messrs. The Conner Magneto & Ignition Ltd., Stoke, Coventry. Dear Sirs, We should, at this point, be interested to know if you are producing magnetos with automatic… | ||
| Scan107 | Letter from Peel-Conner Telephone Works stating they do not produce a magneto with automatic ignition advance. | ||
| View original record | X4 210 PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM NOT TO INDIVIDUALS PEEL-CONNER TELEPHONE WORKS (PROPRIETORS:- THE GENERAL ELECTRIC CO. LTD) TELEPHONES: COVENTRY 1310 (3 Lines) TELEGRAMS:… | ||
| Scan108 | Arguing against reducing the capacity of accumulators (batteries) due to charging inefficiencies at low speeds. | ||
| View original record | From PN. to Bn. c. to Cu. c. to EP. ~ X4211 Pn8/DB10.1.20. X.4211. X.3619. X.3014b. X.664. CAPACITY OF ACCUMULATORS. Owing to the late point at which the dynamo on our chassis cuts in, and the small… | ||
| Scan109 | Importance of ordering custom-shaped accumulator grids from battery manufacturers. | ||
| View original record | Contd. -2- Bm8/DB10.1.20. the reason indicated above, I have already stated before that in my opinion our orders for accumulators should be of so reasonably important a description as to justify the… | ||
| Scan110 | Specifications and suitability of a Lucas Dynamo. | ||
| View original record | X 4211 From PN. to BJ. c. to R. c. to CJ. c. to E. c. to Da. c. to Bn. c. to Hs. c. to EP. PN11/DB14.1.20. X.4060. LUCAS DYNAMO. X.664. X.4211. to R. With regard to the attached Memo, from Ck The… | ||
| Scan111 | Dynamo performance, particularly weight, cut-in speed, and battery charging capability during town running. | ||
| View original record | Contd. -2- PN11/DB14.1.20. is not a very serious consideration - the present one weighing 36 lbs and cutting in at 720 R.P.M. Mrl Clark states that he considers we ought to have something ready to cut… | ||
| Scan112 | Expressing urgent concern over the specifications of batteries and dynamos for the 40/50 chassis. | ||
| View original record | X4211 To H. from Bn. c. to CJ. c. to BJ. c. to PN. Copies CK. " Da. " Hs. Extract ftom Bn12/W16.1.20. X.3014b. X.664. X.3619. Re BATTERIES, & DYNAMOS FOR 40/50 CHASSIS X.4211 We wish to bring before… | ||
| Scan113 | Extract discussing the effect of cold temperatures on battery capacity and recommending the use of larger batteries for the US market. | ||
| View original record | X4211 Extract from Oy5/G3.6.20. X.664. RE BATTERIES. X.3654. X.607. ---------- X.3619. X4304 X.3778. X.4211. We shall be particularly interested in the results of your temperature tests on batteries,… | ||
| Scan114 | Extract detailing electrical troubles with imported chassis, specifically a battery drain issue. | ||
| View original record | X4211 Extract from Oy8/G19.8.20. Re New Chassis Troubles. Below are some examples of troubles experienced with the electrical equipment we have recently had with imported chassis. (5) On 46-LW the… | ||
| Scan115 | Extract detailing troubles experienced with electrical equipment on new chassis. | ||
| View original record | x4211 Extract from Oy8/G19.8.20. Re New Chassis Troubles. Below are some examples of troubles experienced with the electrical equipment we have recently had with impor-ted chassis:- (1) On 4.EX Lucas… | ||
| Scan116 | Letter from Rolls Royce of America regarding batteries running down on imported cars due to the dynamo belt stretching. | ||
| View original record | X4211 Oy5/G - 3.9.20. September, 3rd. 1920. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., 15 Conduit Street, London, England, Dear Sir:- Re: New Chassis Troubles. X.4211 X.676 X 9730 Mr.… | ||
| Scan117 | Response to technical queries regarding battery drain, dynamo cut-in speeds, and drive belt adjustments. | ||
| View original record | H.W. 881a (100 T) (S.H. 159, 11-8-20) G. 2806 X4211 Rolls Royce of America Inc. Springfield, Mass. By3/P24.9.20, X.30746 X.3776 X376 X3705 Referring to Qy5/G3.9.20, the actual facts of the case are as… | ||
| Scan118 | Apparent weaknesses in an electrical system and the standardization of an improved dynamo. | ||
| View original record | Contd. -2- ByS/P24.9.20. EFC. tells me he has informed you of the above apparent weaknesses in the electrical system, and further we have also pointed out that in view of the features we are… | ||
| Scan119 | Extract from a report from E.P. in the USA, detailing various vehicle faults for discussion. | ||
| View original record | X.4211 Extract. Rept. from E.P. USA. 7.10.20 -2- 1. 'Manon' car. Very bad even with long prop. has some faults. Note difference with and without shock absorbers. Shock absorbers. Note particulars… | ||
| Scan120 | Dynamo charging issues in post-war car chassis, specifically chassis 8-PP. | ||
| View original record | X4211 Oy 2/G 7.10.20. Oct. 7th 1920. Mr. Claude Johnson, Managing Director. Rolls-Royce Ltd., London, England. Dear Sir, X.3014b. Re New Chassis Troubles. X.4211. Electrical Outfit on Post War Cars.… | ||
| Scan121 | Page two of a letter discussing dynamo troubles, identifying the cause as belt issues. | ||
| View original record | Qy/2/G7.10.20. -2- Qy/2/G7.10.20. The electrician here tells me that the same troubles are experienced with the Bosch, Westinghouse, and other types of dynamos fitted to old type cars, and it is… | ||
| Scan122 | Letter discussing the running down of batteries on Post War Cars and generator performance. | ||
| View original record | X.4211 Oy2 - G 231020 Oct. 23, 1920 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Mr. Bailey. Dear Sir:- Re: Running down of Batteries on Post War Cars.… | ||
| Scan123 | Letter discussing charging current issues, comparing battery performance to other cars, and requesting alternative generators. | ||
| View original record | Oy2 - G 231020 Oct. 23, 1920 Mr. Claude Johnson - 2 in respect of charging current, and that the cheaper cars which we are sending over - the Hupmobile, Dodge and Buick - are fully capable of taking… | ||
| Scan124 | Technical memo discussing the performance of the dynamo and cutout on post-war cars. | ||
| View original record | X.4211 To EWT. from EFC. EFC5/T25.10.20. X.3014b. X.3770. X.1664 X.394 RE ELECTRICAL EQUIPMENT ON POST-WAR CARS. X.3654. X.516. X.4211 In answer to your EWT/HJC22.10.20, our remarks on this letter… | ||
| Scan125 | Technical memorandum disagreeing with findings about the dynamo's lowest cutting-in speed and the effect of the third brush position. | ||
| View original record | Contd. -2- EFC5/T25.10.20. We do not agree that 15 M.P.H. is the best and lowest cutting in speed that can be obtained. With the dynamo in the cold condition and the battery at 12.4 volts, the dynamo… | ||
| Scan126 | Issue of batteries running down on post-war cars, to be raised at the next conference. | ||
| View original record | X.471 COPY. BJ(Py)14/DB9.11.20. 133. To By. from CJ. c. to EWT. Re Running down of Batteries on post-war cars. I attach copy of Oy2-G231020 of the 23rd. October. Will you please take a note to bring… | ||
| Scan127 | Letter from Rolls Royce of America discussing issues with the Lucas dynamo on post-war cars, specifically regarding noise and cutting-in speed. | ||
| View original record | X4211 Oy 9/G 12.11.20. Nov. 12th 1920. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention Mr. Clark. Dear Sir:- X.4165. X.3770. X.4211. X.3014b. Re: Electrical… | ||
| Scan128 | Procedure to resolve noise issues with Lucas dynamos by adjusting the control brush. | ||
| View original record | 4211 20th August, 1920. No. L05. X.3014b. RE NOISY LUCAS DYNAMOS. X. 4211. One of the chief complaints we have had against the above dynamo is that of noise. The noise referred to is that which is… | ||
| Scan129 | Letter discussing dynamo performance and battery charging requirements under various driving conditions. | ||
| View original record | X4211 Rolls Royce of America Inc. Springfield. Mass. Ry/2/P25.11.20. Attention of Cy. X.294. X.4162. DYNAMO. X.3214S. X.3231. X.3878. X.3864. X.4030. X.664. X.4211. Referring to your memo… | ||
| Scan130 | Comparison of Bosch, Lucas, and Bijur dynamo systems, noting performance and voltage control issues. | ||
| View original record | Contd. -2- By 2/P25.11.20. In this connection I would like to point out that the Bosch dynamo received from America is poor and would not give as consistent results as the Lucas. This remark is based… | ||
| Scan131 | Statement on the final position regarding the car's dynamo and the need for elaborate testing. | ||
| View original record | Contd. -3- Hy2/P25.11.20. The final position in regard to this matter is, that we feel that the dynamo for our car demands very careful and close attention and very elaborate testing out before it… | ||
| Scan132 | Difficulty with Mrs. Sauber's Chassis 5-FW and a related conference discussion. | ||
| View original record | X.4211 H3/TB/4.12.20. S/W. EFC. Re:- Mrs. Sauber, 15, Knightsbridge, S.W. Chassis 5-FW. Please note the attached memo and BJ's remark thereon. He has instructed me to raise this question again at the… | ||
| Scan133 | Customer complaint regarding a flat battery, identifying driver error and usage as the cause, and suggesting a garage charging board. | ||
| View original record | H3/TB/3.12.20. Memorandum No. 2003. Copies to - C. Hr. (2) EP. Br. Re:- Mrs. Sauber, 15, Knightsbridge, S.W. Chassis No. 5-FW. Regd. R.3725. I called on this lady yesterday as Bt. recently promised… | ||
| Scan134 | Internal memorandum discussing the acknowledged weakness of the dynamo-battery system and efforts to source a better generator. | ||
| View original record | R.R. 296A (100 T'S. M. 150. 11-8-20) G. 2800 X4211 W/S. To H. from EFC. EFC14/T7.12.20. X.4211 - RE WEAKNESS OF DYNAMO-BATTERY SYSTEM. X. 294 We have your H3/TB/4/12/20 with attached memorandum to BJ.… | ||
| Scan135 | Test results for the effect of changing the control brush position on the balancing speed of a Lucas E.575 dynamo. | ||
| View original record | X.4211 EFC/T7.12.20. X.30146 EFFECT OF CHANGING POSITION OF CONTROL BRUSH ON BALANCING SPEED OF LUCAS E.575 DYNAMO. X.4211 Original position of control brush - makers' setting. (Makers setting is .3"… | ||
| Scan136 | Dynamo Battery System, acknowledging a previous communication and confirming the topic will be raised at an upcoming conference. | ||
| View original record | R.R. 950 s (30 T) (S.B. 972, 14-4-20) G. 2674 X 4211 H3/TB/8.12.20. S/W EFC. X.4211 Re - Dynamo Battery System. I have to thank you for your EFC14/T7.12.20. As you will know, I am of course well aware… | ||
| Scan137 | Tests on Lucas dynamos regarding the effect of retarding brushes on cutting-in speeds for post-war cars. | ||
| View original record | To EWT. for Oy. c. EP. X.4211 EFCl/T13.12.20. X.30146 (struck through) X.3770 (struck through) X.4165 (struck through) RE ELECTRICAL EQUIPMENT ON POST-WAR CARS. X.3958 (struck through) X.4211 (struck… | ||
| Scan138 | Specification for the electrical operation of a cut-out, detailing voltage limits under cold and hot conditions. | ||
| View original record | Contd. -2- EFCl/T13.12.20. by the makers. X.3958 We attach for Mr. Olley's information a copy of specification of electrical operation of cut-out for R.R. car, which specifies the voltage at which the… | ||
| Scan139 | The late operation of Lucas cut-outs and a request for clarification on a previous note. | ||
| View original record | Contd. -3- EFC1/T13.E2.20. We have come across Lucas cut-outs which cut in as late as 13.5 in the cold condition and it is possible that some of the cases referred to of late operation are due to this… | ||
| Scan140 | Extract concerning complaints from the U.S.A. about batteries running down and discussing alternative dynamo options. | ||
| View original record | X.4211 Extract from H10/G8.6.21. X.3614 - RE U.S.A. COMPLAINTS. X.4165. X.664 X.294. X.4211 X.1402. RUNNING DOWN OF THE BATTERY. We have no objection to you using a Westinghouse or Bijur dynamo with… | ||
| Scan141 | Vibrator regulators, the state of electrical components for cars sent from England, and issues with leaky Exide battery cells. | ||
| View original record | -2- Contd. which is low down, and a smaller current to a battery when it gets charged, the difference in the voltage during charging being only a small amount. Unless therefore the vibrator regulator… | ||
| Scan142 | Comparing standard and longer Lucas dynamos for the 40/50 chassis, focusing on battery charging performance. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EWT for R.R. Inc. X4211 Hs8/LG8.7.21. X4211 X3014L DYNAMO FOR 40/50 CHASSIS. X4352 From experience we cannot agree that the output of the… | ||
| Scan143 | Effect of changing axle ratios on dynamo cutting-in speed. | ||
| View original record | R.R. 735A (100 T) (S. H. 798, 10-12-20) G. 2947 Contd. -2- Hs8/LG8.7.21. ----------- It will be noticed that changing the axle parts from 16 X 52 to 14 X 52 we get nearly the same advantage in… | ||
| Scan144 | Test results of a lengthened Lucas dynamo and advising against its adoption. | ||
| View original record | X4211 To EFC. from R c. to CJ. c. to Wor. c. to By. R12/09.11.21. X.4352. RE TEST OF LENGTHENED LUCAS DYNAMO. X.3014.b X.4211. Thank you for sending the photos referring to the Lucas dynamo test. To… | ||
| Scan145 | Letter from motor lamp manufacturer Blériot Limited regarding cut-outs for electrical equipment. | ||
| View original record | X.4215- TRADE C.Blériot MARK ALL GENUINE 'BLÉRIOT' LAMPS - BEAR THE ABOVE SIGNATURE - STAMPS: EN. NOV 1 1920 RECEIVED C D 3 NOV 1920 RECEIVED BLÉRIOT LIMITED MOTOR LAMP MANUFACTURERS Show Rooms & Head… | ||
| Scan146 | Diagram of a Bleriot Compensated Cut-out circuit. | ||
| View original record | ARMATURE PIVOT. INSULATION. SUBSIDIARY CONTACTS K.K., SHORT-CIRCUITING RESISTANCE. ACCUMULATOR LEAD. 2 DYNAMO LEAD. DYNAMO LEAD. 3 ARMATURE. IRON CORE ON WHICH COILS ARE WOUND. MAIN CONTACTS. SERIES… | ||
| Scan147 | Description of the Bleriot Compensated Cut-out and its operational advantages. | ||
| View original record | THE BLERIOT COMPENSATED CUT-OUT. This design of cut-out differs from all others, in that a method has been adopted for compensating for the change in the air gap. Cut-outs of the usual types possess… | ||
| Scan148 | Description of the Bleriot Compensated Cut-out component. | ||
| View original record | The Bleriot Compensated Cut-out (continued). " constant, irrespective as to whether the air gap is a maximum or minimum. Apart from the compensation thus obtained it will be clear that the heat… | ||
| Scan149 | Test instructions and electrical readings for a Blériot phi. cut-out. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 4215. 91487 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.F.C. Date 24/11/20 # Order No. on I Customer's No. F.C. 158. Re X 4215 Blériot phi. Cut-out. Cold 18° C.… | ||
| Scan150 | Electrical test results for shunt and series coils. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91488 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No Customer's No. 7C 159 Re Volts and amperes on Shunt Coil after disperation 10.2 Volts .185 amp. 65.7… | ||
| Scan151 | Test results for a shunt coil, detailing voltage and amperage readings before and after operation. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 208552 91489 ROLLS-ROYCE LIMITED. INSTRUCTIONS. III To 19 Order No. Customer's No. 7C.160. Re Hot after running 2 Hours. at 10. amperes. Volts & amperes on Shunt coil… | ||
| Scan152 | Electrical measurements for shunt and series coils during operation. | ||
| View original record | RR.300 (120B) (SF 349 24-1-19) MP 200552 91490 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To IIII 19 Order No. Customer's No. F.C. 161 Re Volts & amps on Shunt coil after droperation. 10.5 Volts . 145 amp.… | ||
| Scan153 | Instructions regarding testing a 'Bleriot Phi' cut-out with extra auxiliary resistance. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91496 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.A.C. F 25/11/20 Order No.: X 4215 Customer's No.: F.C. 167 Re: Bleriot Phi cut-out. This cut out has again been… | ||
| Scan154 | Test results for a shunt coil, detailing voltage, amperage, and wattage at various operational states. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91497 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II 19 To Order No. Customer's No. F.C. 168. Re Cold 18°C. Volts & amperes on Shunt coil to operate 12.5 V. .195 amp.… | ||
| Scan155 | Test results for electrical measurements on shunt and series coils. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91498 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: III Order No.: Customer's No.: F.C. 169 Re: Volts & amperes on shunt- Coil & amperes in series Coil to droperate… | ||
| Scan156 | Test results for an electrical component, recording voltage, amperage, and resistance during operation and de-operation. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91500 ROLLS-ROYCE LIMITED. INSTRUCTIONS. IV 19 To Order No. Customer's No. FC. 170 Re Volts & amperss on shunt to operate 13.5 Volts 190 amps 71.0 w After… | ||
| Scan157 | Electrical test results for shunt and series coils. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91501 ROLLS-ROYCE LIMITED. INSTRUCTIONS. V To Order No. Customer's No. 7 C.171. Re Volts & amps. on shunt coil + amperes in series coil to deoperate. 12.95… | ||
| Scan158 | Wiring diagram for a Bleriot PHI cutout. | ||
| View original record | X.4215. X.4215. DIAGRAM OF BLERIOT PHI CUTOUT Insulation AC MC X R 4.2 oW Sh .655 w Se 1 D- 2 B- 3 D+ + - E. & C. 17.11.20 | ||
| Scan159 | Examination report on the 'Bleriot Phi' cut-out instrument, detailing its construction and operation. | ||
| View original record | [Handwritten at top] X.4215 To R. from EFC. c. to CJ. c. to E. c. to Da. c. to By. c. to Bn. c. to EWT. for R.R.Inc. EFC1/T6.12.20. X.4215 - BLERIOT PHI CUT-OUT. [Handwritten] X 1815 We have had… | ||
| Scan160 | Analysis of long and short shunt windings and a discussion on cut-out defects and the Bleriot Compensated Cut-out. | ||
| View original record | Contd. -2- EFC1/T6.12.20. opposing winding by setting up ampere turns in opposition to those of the main shunt winding. Digressing for the moment to a consideration of the long and short shunt, quite… | ||
| Scan161 | Analysis of manufacturers' claims regarding the performance of electrical cut-out contacts and compensating windings. | ||
| View original record | Contd. -3- EFCL/T6.12.20. They claim as further advantages :- (1) That of the resulting reduction of the shunt current whilst the cut-out contacts are closed. (2) That owing to there being practically… | ||
| Scan162 | Technical analysis of the Bleriot Phi electrical cut-out, detailing its operation through resistance and ampere turns. | ||
| View original record | Contd. -4- EFC1/T6.12.20. the same condition would again be reached. In the Bleriot Phi cut-out there is, however, the insertion of resistance at one point only when the gap is approximately at 2/5… | ||
| Scan163 | Graph of characteristic curves for cut-out operation with specific reference to the Bleriot PHI cut-out. | ||
| View original record | CHARACTERISTIC CURVES OF CUT-OUT OPERATION. PWQ= Curve of spring tension. PR, TU, SQ are magnetic traction curves for various ampere turns. WITH PARTICULAR REFERENCE TO BLERIOT PHI CUT-OUT. P. T. S.… | ||
| Scan164 | Results of electrical experiments on an instrument's coils and armature. | ||
| View original record | Contd. -5- EFC1/T6.12.20. de-operate and this necessitates a reverse current in any case, so long as the law of traction is much more rapid than the spring law, as it is in the majority of cases.… | ||
| Scan165 | Electrical test results and resistance adjustments for a dynamo and battery system following a two-hour run. | ||
| View original record | Contd. -6- EFC1/T6.12.20. Figures exactly similar to the above for the instrument hot, after running two hours in connection with a 12 volt dynamo and battery, with 10 amperes through its series coil,… | ||
| Scan166 | Test results for a cut-out component, detailing current and voltage measurements under various conditions. | ||
| View original record | Contd. -7- EFC1/T6.12.20. Similar results to those already taken were now taken with this changed resistance. The operating voltage and current in the cold condition would, of course, be unaffected,… | ||
| Scan167 | Comparing a new cut-out instrument with the Lucas and Smith types. | ||
| View original record | Contd. -8- EFC1/T6.12.20. For this and other reasons, such as reduced range of operation between hot and cold, we consider this cut-out a more reliable and a better instrument generally than the Lucas… | ||
| Scan168 | Instruction sheet detailing the weight of a Bleriot Phi cut-out. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.4215 91512 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S. F. C. Date: 7/12/20 Order No.: X 4215 Customer's No.: F.C. 182 X.1723 Bleriot Phi Cut out The weight of… | ||
| Scan169 | Requesting the despatch of a 'Bleriot Phi Cut-out' to Mr. Royce for his examination. | ||
| View original record | X4215 To Shipping office. c. Despatch Stores. EFC2/T10.12.20. X.4215 BLERIOT PHI CUT-OUT. We are sending into the Stores, one Bleriot Phi Cut-out. Will Shipping Office kindly give instructions for… | ||
| Scan170 | Required improvements to the Bleriot electrical cutout and potential replacements. | ||
| View original record | X4215 To EFC. from R. c. to CJ. c. to Wor. c. to Da. c. to Hs. c. to R.R. of America Inc. (For the attention of OY.) R2/G15.12.20. X.4215. RE BLERIOT ELECTRICAL CUTOUT. Please see Mr. Wormald. I am so… | ||
| Scan171 | Analysis of the Bleriot Phi Cut-Out, focusing on the functionality of its compensating winding. | ||
| View original record | To Wd. from EPC. c. to Da. X.4215 EFC2/T22.12.20. X.4215 - BLERIOT PHI CUT-OUT. The makers' principal claim with regard to the superiority of this cut-out over others, is that the addition of the… | ||
| Scan172 | The electrical operation of a cut-out, detailing reverse current tests that exceed specified limits. | ||
| View original record | Contd. (2) EFC2/T22.12.20. voltage between the cold and hot conditions is secured, also probably more reliability of the contacts. The reverse current, however, is by no means reduced to zero, in fact… | ||
| Scan173 | Minutes of a Works Committee Conference discussing the Bleriot electrical cut-out. | ||
| View original record | X 4215 MINUTES OF WORKS COMMITTEE CONFERENCE HELD 22ND DECEMBER 1920. Present - Wor. Wd. Hr. Hy. Da. EP. Hm. EFC. BY. Copies to - R. CJ. BJ. C. Bn. Wor. Wd. Hr. Hy. EP. Hm. BY. Also - EFC. and Da. (1)… | ||
| Scan174 | Authorizing the order of Bleriot Phi Cut-outs for experimental purposes. | ||
| View original record | X.4215 To Wd. from EFC. c. Wd/Ms. f EFC4/T23.12.20. X. 4215 - BLERIOT PHI CUT-OUT. Subject to a satisfactory interview between yourself and the Bleriot Company in London to-day, will you kindly have… | ||
| Scan175 | Instruction note regarding the receipt of a Bleriot Phi Cut-out part from the stores. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X 4215 95136 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.F.C. Customer's No. T.D. 11 Date 23/12/20 Order No. Re X. 4215. Bleriot Phi Cut-out We have received from… | ||
| Scan176 | Letter from Bleriot Limited offering their Beriot cutout and A.T. Speedometer for testing, and detailing terms for quantity orders. | ||
| View original record | X.4218 BLERIOT. 57, 58 & 59 Long Acre, W.C.2. London, England. WW/MM December, 30th 1920. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y. Dear Sirs, X.4218 X.4308 X 1509 For the attention of… | ||
| Scan177 | Fitting of a Bleriot electrical cutout in place of Smith and Lucas models. | ||
| View original record | To HR from R. C. to CJ. WOR. EFC. COPY. X 4215 R1/G30. 12. 20. X4215. RE BLERIOT ELECTRICAL CUTOUT. X 3770/1. X4165. With reference to HR1/M23. 12. 20, it was antici pated that Bleriot Cut-out could… | ||
| Scan178 | Instruction sheet with test results for a Blériot-Phi Cut-out, showing operational values under hot and cold conditions. | ||
| View original record | RR 360 (120B) (SF 349 24-1-19) MP 200552 X.4215 88264 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: 33 Customer's No.: 1 Re: XA215 31-XII-1920 Blériot-Phi Cut-out. Operation Cold. Battery Off.… | ||
| Scan179 | Test results for a Bleriot-Phi cut-out under cold and hot operating conditions. | ||
| View original record | RR. 300 /120B) (SF 349 24-1-19) MP 200552 88265 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. Customer's No. 2 Re. Bleriot - Phi Cut-out (cont) Operation, Battery on. Cold | Hot Volts to cut out. |… | ||
| Scan180 | Instructions and test results for a Bleriot-Phi electrical cut-out with a compensating coil. | ||
| View original record | R.F. 300 (120B) (SF 349 24-1-19) MP 200552 88268 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 3-I-1921 To Order No. 35 Customer's No. 1 Re. X 4215 Bleriot-Phi Cut-out, Resistances in compensating coil. Operated… | ||
| Scan181 | Instructions for a Bleriot-Phi Cut-out regarding battery connection, voltage, and current measurements. | ||
| View original record | RR. 300 (120B) (SF 349 24-1-19) MP 200552 88269 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No Customer's No. 2 Re Bleriot-Phi Cut-out (Contd) With the battery connected up only 7.0 ohms can be… | ||
| Scan182 | Using a car for testing experimental parts like Tungsten contact points and Bleriot cutouts, replacing the existing Lucas cutout. | ||
| View original record | R.R. 222A (100 T) (S.H. 119, 11-8-20) G. 2800 X4215 To FN. from EFC. Extract from EFC5/T31.12.20. X.33981 - PETO & RADFORD BATTERIES. X.3922. X.4215. X.2894. Presumably your car is available at any… | ||
| Scan183 | Specification for the inspection and testing of a Bleriot Phi Cut-out. | ||
| View original record | X.4215 4.1.21. X.4215. - BLERIOT PHI CUT-OUT. Specification of inspection and test. (1) The cut-out shall be connected up by low resistance wires to a twelve volt dynamo, twelve volt battery of ample… | ||
| Scan184 | Hand-drawn wiring diagram for a dynamo, cut-out unit, meters and battery. | ||
| View original record | Page: 2 On cut-out unit: Cut-out, D-, B-, D+, 1, 2, 3 On dynamo: Dynamo, +, - On meters: V, B, A Bottom right corner: R.R. 55A. 100 Bks. (S.I.) 1M. 11-8-20 G.S.L. 2801 Watermark (faint): MADE AT… | ||
| Scan185 | Instructions for adapting the Bleriot Phi cut-out to the standard electrical system. | ||
| View original record | R.R. 283a (100 T) (S.H 159, 11-8-20) G 2209 X.4215 X.4215 - BLERIOT PHI CUT-OUT. INSTRUCTIONS FOR ADAPTATION OF THIS INSTRUMENT TO THE R.R. STANDARD ELECTRICAL SYSTEM. The Bleriot Phi cut-out should… | ||
| Scan186 | Wiring diagram illustrating the adaptation of a Blenot Phi Cut-out to a standard electrical chassis system. | ||
| View original record | Title: Adaptation of Blenot Phi Cut-out to Standard Electrical Chassis System Labels on diagram: A, +, -, 77, 7, C, D-, B+, D+, 1, 2, 3 Bottom left corner: R.H. 2887 (250) J. C & Co. L Bottom right… | ||
| Scan187 | Sending the specification for the Bleriot Phi Cut-out to Messrs. Bleriot. | ||
| View original record | X.4215 To Wd. from EFC. EFC1/T6.1.21. X.4215 - BLERIOT PHI CUT\OUT. We think it might be as well to send Messrs. Bleriot our Specification of Electrical Operation of Cut-out for R.R.Car. We… | ||
| Scan188 | The fitting and standardisation of a Bleriot Phi cut-out on experimental cars. | ||
| View original record | To RHC. from EFC. Hs/TMW. X4215 EFC2/T6.1.21. 2 X.4215 - BLERIOT PHI CUT-OUT. X.3749 X.3743 We are handing you herewith the second Bleriot Phi cut-out received by us, the first having gone to Mr.… | ||
| Scan189 | Request to supply a painted outside case for a battery and a decision not to fit Tungsten contact points or a Bleriot cutout. | ||
| View original record | X4215 S/W. Bk4/HM 6.1.21. X.2894. X.4215. X.3928. X.33981 Re your EFC5/T31.12.20. Yes, will you please supply an outside case for the battery, so that it can be colted securely to the running board.… | ||
| Scan190 | Correspondence concerning the adjustment of specifications for the Bleriot PHI. Cut-out component. | ||
| View original record | EFC. from Wd. X.4215 Wd8/NJ10.1.21. X.4215 Bleriot PHI. Cut-out. We duly forwarded to Bleriot Ltd. one copy of the specification received with yours EFC1/T6.1.21 and we are now in receipt of a letter… | ||
| Scan191 | Notification of the new address for Bleriot Ltd. and the closure of their Long Acre showrooms. | ||
| View original record | R.R. 235 B (50 T) TS F. 846. 6-8-19. G 2461. Ms. from WH. c. to EFC. X.4215 Wd3/NJ24.1.21. MADE AT CROXLEY X.4215 Bleriot Ltd. Please note that all communications should be addressed to this firm at:-… | ||
| Scan192 | Confirmation of fitting a Bleriot Phi Cutout to chassis 2.EX and modifying the Lucas Switch Box. | ||
| View original record | X4215 EFC. from RHC. RHC1/LG29.1.21. X. 4215. RE BLERIOT PHI CUTOUT. X. 3743. X. 3749. This is to confirm that we have fitted the above Cutout to chassis 2.EX. Also we have carried out the… | ||
| Scan193 | Differences and issues found in a batch of Bleriot cut-out components compared to the original sample. | ||
| View original record | R.R. 336A (10M T) S.H. 798. 10-10-20; G 2947 X.4215 To Wd. from EFC. c. to Da. c. to Hs. EFC6/T18.2.21. X.4215 - BLERIOT CUT-OUT. This is to confirm our conversation that you will write to Messrs.… | ||
| Scan194 | Testing of six cut-outs and an urgent request for a specific cut-out for Mr. Royce's car 6 EX. | ||
| View original record | R.H. 336A (100 T) (S.H. 798, 10-12-20) G. 2247 -2- EFC6/T18.2.21. Contd. Work on these was cut short a week ago owing to removal of our laboratory and we have not yet been in a position to proceed… | ||
| Scan195 | Letter to Bleriot Ltd. detailing a report on differences found in supplied 'Cut-out' samples. | ||
| View original record | W.D/A (100 T) (S H. 798. 10-12-20) G 2947 X.4215 Copy for EFC. Wd4/NJ19221. 19th February,1921. Messrs.Bleriot Ltd., 2 & 4, Catesby Street, Walworth, London, S.E.17. Dear Sirs, X.4215 Bleriot Cut-out.… | ||
| Scan196 | Page 2 of a letter to Messrs. Bleriot Ltd. regarding issues with supplied cut-outs and a request for a replacement. | ||
| View original record | PA (100) T (S. H. 788, 10-12-20) G. 1947 19th February, 1921. Messrs. Bleriot Ltd., 2 & 4, Catesby Street, Walworth, London, S.E.17. - 2 - "gone, we do not find the operation to be, asit was supposed… | ||
| Scan197 | 6.EX car, detailing a fix for the petrol level indicator and outstanding tasks to complete the vehicle. | ||
| View original record | X.4215. To R. and E. from Hs. c. to CJ. c. to Bn. and BY. c. to Da. c. to EWT. for R.R.Inc. Hs4/LG23. 2. 21. X.3923 X.3888 X.4215 RE - 6.EX CAR. We have got this car from the Coachbuilders - it looks… | ||
| Scan198 | Correspondence regarding an enquiry for a Bleriot Cut-out. | ||
| View original record | Hs R.R. 235m (100 T) 16.798. 10(20) G. 2948 [STAMP: RECEIVED, FEBRUARY from Wd.] X.4215 Wd2/NJ24.2.21. X.4215 Bleriot Cut-out. The remarks in yours EFC6/T18.2.21 were communicated to Bleriot Ltd. in… | ||
| Scan199 | Copy of a letter received from Bleriot Limited regarding the supply of cut-outs. | ||
| View original record | R.R. 256A (100 T) (S.N 798, 10-12-20) G. 9047 COPY OF A LETTER RECEIVED FROM:- BLERIOT LIMITED. Show Rooms & Head Offices, 57.58.& 59. Long Acre. W.C.2. LONDON. ENGLAND. CHS/MM. February Twenty-third… | ||
| Scan200 | The latest Bleriot-Phi starting and lighting equipment. | ||
| View original record | R.R. 235A (100 T) S.M. 798. 10-12-20. G 2547 X.4215 Typed 25.2.21. COPY. X.191 THE LATEST BLERIOT-PHI STARTING AND LIGHTING EQUIPMENT. X.4215 X.1402 X.3374 The design of this equipment has been… | ||
| Scan201 | Page 2 of a document describing the construction and output control of a dynamo. | ||
| View original record | -2- Contd. shown in Fig.2. from which it will be seen that only one field coil is used. The whole of the magnetic circuit, with the exception of the portion on which the excitation coils are wound, is… | ||
| Scan202 | The operation of a voltage regulator and dynamo output control. | ||
| View original record | R.R. 335A (100 T) (S.H. 798. 10-12-20) G. 2947 -3- Contd. This voltage regulator is adjusted to come into operation at 16 volts. The result is an arrangement whereby the dynamo output is controlled… | ||
| Scan203 | Continued description of a dynamo's voltage regulation circuit and its components. | ||
| View original record | R.R. 889A (100 T) N.H. 798. 10-12-20. G 2247 -4- Contd. is to reduce the number of demagnetising series turns, and, as a result, to increase the output of the dynamo. The actual results obtained from… | ||
| Scan204 | Page describing the voltage regulation, Bleriot-Phi Dynamo specifications, and the starter motor. | ||
| View original record | R.R. 375A (108 T) S.H. 798. 10-12-20. O 2947 -5- Contd. a certain value. 2. The voltage regulation allows the lamps and other apparatus to be operated by the dynamo only, so that, even if the… | ||
| Scan205 | Specifications for two starter motor types and a description of the switchboard's operation and features. | ||
| View original record | -6- Contd. difficulty. The question of electrical-mechanical efficiency, has received special attention so that the Starter is able to deal with a large engine without throwing excessive strain on the… | ||
| Scan206 | Technical description of a relay switch and the 'earthed return' wiring system. | ||
| View original record | -7- Contd. Relay Switch. This switch shown in Section Fig.10a (an external view is given in Fig.10) closes the starter circuit and, as the current necessary to obtain the required torque, is very… | ||
| Scan207 | Description of the lamp and starter circuit electrical connections. | ||
| View original record | -8- Contd. than the usual metal armouring. The starter circuit does not employ an earth return as the conductivity of the chassis cannot be relied upon for heavy currents where voltage drop is of the… | ||
| Scan208 | Circuit diagram of the Bleriot-Phi system. | ||
| View original record | X.4215 X.681. X.1402. X 4215 Res Vib. Reg. Se Cut out a Sk Normal Load Heavy Load + - Sh Se CIRCUIT DIAGRAM OF BLERIOT-PHI SYSTEM. EFC. 15.2.21. R.R. 286. (10M 7) B.H. 798 10-12-20. G 2947 | ||
| Scan209 | Ceasing further work on Bleriot PHI starting and lighting equipment. | ||
| View original record | To Wd. from EFC. X.4215 EFC1/T3.3.21. X.681 - BLERIOT PHI STARTING & LIGHTING EQUIPMENT. X.4215. We return herewith the matter relating to the above equipment. I have shown this to Mr. Royce, but as… | ||
| Scan210 | Request for a cost comparison of Bleriot, Smith and Lucas cut-outs. | ||
| View original record | X.4215 R.R. 255a (100 T) S.H. 798. 16-12-20. C 2547 EPC/T3. 3.21. X. 1815 - CUT-OUTS. R. would like a comparison of the cost of the Bleriot, Smith and Lucas cut-outs. Ref. Nos. X.4215 - Bleriot… | ||
| Scan211 | The swapping of a Bleriot cut-out part between experimental chassis 2 EX and 6 EX. | ||
| View original record | X.4215 R.R. 235a (100) T: (S.H. 798, 10-12-20) G. 2948 EFC/T7.3.21. X. 4215 BLERIOT CUT-OUTS. X.3743. X.3923. Cut-out No. 37884 has been handed over to Mr. Coverley for chassis 2 EX to replace the… | ||
| Scan212 | Issues with Bleriot Phi cut-outs for experimental purposes. | ||
| View original record | R.R. 235A (100 T) S.H. 798. 10-12-20: G. 2947 X.4215 EFC5/T9.3.21. To Wd. from EFC. c. to Wd/Ms. c. to Da. c. to Da/Thr. X.4215 - BLERIOT PHI CUT-OUTS. We have had considerable trouble with the seven… | ||
| Scan213 | The unsatisfactory performance of recently received cut-out components and the investigation into their defects. | ||
| View original record | Contd. -2- EFC5/T9.3.21. remove the second cut-out which was at that time fitted to 2 EX and put this on 6 EX in spite of its lateness in operation. We have now to report that all the seven most… | ||
| Scan214 | Defects in electrical cut-outs supplied by Messrs. Bleriot and requesting further communication. | ||
| View original record | R.R. 235A (100 T) (S.H. 708, 16-12-20) C. 9247 Contd. -3- EFC/T9.3.21. washers or bolts should be used on some of these nuts. A further defect we have noticed in two instances was that the carbon… | ||
| Scan215 | Status and handling of Bleriot Phi cut-outs. | ||
| View original record | X.4215. 9.3.21. X.4215. - BLERIOT PHI CUT-OUTS. Cut-outs Nos. 37880/1/2/3 returned to Messrs. Bleriot, seal intact. Cut-out No. 37885 returned unsealed. Cut-out No. 37884 handed to RHC. for 2 Ex.… | ||
| Scan216 | Sending five Bleriot Phi cut-outs back to the makers for readjustment. | ||
| View original record | X.4215 To O.O. from EFC. c. Shipping Office. c. Despatch Stores. EFC4/T9.3.21. X.4215 - BLERIOT PHI CUT-OUTS. We are sending into the Stores five Bleriot Phi cut-outs which we would like you to return… | ||
| Scan217 | Testing and fitting of a Bleriot Phi cut-out for use with the standard Lucas system. | ||
| View original record | X. 4215 R.R. 225A (100 T) (S.H. 708. 10-12-20) G 1947 To EP. from EFC. EFC3/T10.3.21. X.4215 - BLERIOT PHI CUT_OUT. I am sending you herewith a Bleriot Phi cut-out which we have passed on the bench as… | ||
| Scan218 | Requesting a price comparison for electrical cut-outs from suppliers Smith, Bleriot, and Lucas. | ||
| View original record | X.4215 To Wd. from EFC. c. to Ms. FCA/T14.3.21. X.3770 X.3771 X.4215 X.1818 - ELECTRICAL CUT-OUTS We have heard nothing more from Messrs. Smith with regard to their cut-outs since their letter ref.… | ||
| Scan219 | Copy of a letter from Bleriot Limited regarding the pricing of cut-outs. | ||
| View original record | R. R. 238A (100 T) (S H. 798. 10-12-20) G. 6347 X 4215. COPY OF LETTER FROM:- BLERIOT LIMITED. WW/MM March Seventeen 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y. X 4215. Ref.… | ||
| Scan220 | Note on the utilisation of the Bleriot Phi Cut-out, cross-referencing to the Bleriot Dynamo. | ||
| View original record | X, 4215 . X.4215 - BLERIOT PHI CUT-OUT. 18.3.21. For full particulars of the utilisation of this cut-out with the Bleriot Dynamo and System, see under X.681 - Bleriot Dynamo. E.F.C. EFC. | ||
| Scan221 | Design of an electrical cut-out and issues with supplier parts from Bleriot. | ||
| View original record | X.4215 EFC3/T21.3.21. To R. from EFC. c. to CJ. c. to E. c. to Ds. c. to Hy. X.3958 - R.R. CUT-OUT. X.4215 X.1815 Should we not consider the design of an R.R. electrical cut-out concurrently with that… | ||
| Scan222 | Query regarding the fitment of a Bleriot Phi Cut-out to a test car. | ||
| View original record | X4215 To EP. from EFC. EFC5/T23.3.21. X. 4215 - BLERIOT PHI CUT-OUT. We should be glad to know whether you have yet fitted the Bleriot Phi Cut-out (mentioned in our EFC3/T10.3.21) to one of your test… | ||
| Scan223 | Letter from Phares Bleriot concerning issues and replacements for cut-out components. | ||
| View original record | COPY. X. 4215. PHARES BLERIOT, 14-16 Rue Duret, Paris. le 25th Mars 1921. GV/YB A rappeler: -DURET-YB- Auto. Rolls-Royce Ltd., Nightingale Road, Derby. (Angleterre) ref. Wdlc/NJ 16321. Dear Sirs, We… | ||
| Scan224 | The concluding page of a formal letter, awaiting a response. | ||
| View original record | -2- At your entire disposal for any further particulars you might require in the meantime & thanking you in anticipation for your answer. We are, dear Sirs, Yours faithfully, R.R. 235A.(to) T.S.H.… | ||
| Scan225 | Notes on the design and operation of a 'compensated type' automatic switch, detailing the timing of its compensating resistance. | ||
| View original record | GV/YB X. 4215 le 25/3/21 - NOTES ON AUTOMATIC SWITCHES - "COMPENSATED TYPE" -------------------- Intercalation or suppression of our compensating resistance. One of the particularities of our… | ||
| Scan226 | Correspondence regarding faulty 'Cut-outs' from Bleriot Ltd. and Phares Blériot. | ||
| View original record | Hs EFC. from Wd. c.to Ms. c.to Da. c.to De. (RECEIVED STAMP 1921) X.4215. Wd2/NJ30.3.21. X.4215 - Bleriot PHI. Cut-outs. Yours EFC5/T9.3.21. We have a letter from Bleriot Ltd., 4, Catesby Street,… | ||
| Scan227 | Confirming the receipt of four Bleriot Phi cut-outs for trial. | ||
| View original record | X.4215 31.3.21. X.4215 - BLERIOT PHI CUTOUTS. We have to-day received four Bleriot Phi cut-outs for further trial. EFC. | ||
| Scan228 | Pricing of electrical cut-outs from various suppliers including Lucas, Bleriot, and Smith & Sons. | ||
| View original record | X4215 EFC. from O.O. Wd/Dn4/HP31321. 31st. March 1921. X.1815 - RE ELECTRICAL CUT-OUTS. X.4215. X.3770. X.3771. We attach copy of a letter received from The Lucas Electrical Co. giving the price of… | ||
| Scan229 | Specification for the electrical operation of a Blériot PHI Cut-Out (12 Volt System) for a car. | ||
| View original record | X.4215. 31.3.21. X.4215 - SPECIFICATION OF ELECTRICAL OPERATION OF BLERIOT PHI CUT-OUT FOR R.R. CAR X.1815 (12 VOLT SYSTEM). (1) With the cut-out in a cold condition but not lower in temperature than… | ||
| Scan230 | Specifications for the current required to separate cut-out contacts, with corresponding battery E.M.F. values for cold and hot conditions. | ||
| View original record | -2- Contd. battery to dynamo necessary to cause the cut-out contacts to fall apart shall not exceed 1.0 ampere whether the cut-out be cold or hot, it being supposed that corresponding to the cold… | ||
| Scan231 | Sending a revised specification for Bleriot Phi Cut-outs to Phares Bleriot. | ||
| View original record | X.4215 To Wd. from EFC. EFC1/T1.4.21. X.4215 - BLERIOT PHI CUT-OUTS. We have your letter Wd2/NJ30.3.21 and now attach two copies of revised specification of operation of Bleriot Phi Cut-out, which… | ||
| Scan232 | Forthcoming report from Bleriot Ltd. concerning 'Bleriot Cut-outs'. | ||
| View original record | EFC. from Wd. X. 4215. Wd2/NJ8.4.21 APR 8 1921 REC'D X. 4215. Bleriot Cut-outs. Referring to the remarks in yours EFC1/T1.4.21, Bleriot Ltd., London, write that they have heard from their Paris House… | ||
| Scan233 | Report comparing the quality, price, and performance of Bleriot and Smith cut-outs, with mention of new samples from C.A.V. and Lucas. | ||
| View original record | To R. from EFC. c. to GJ. c. to E. X4210 EFC6/TS.4.21. X.4215 - BLERIOT CUT-OUT. X. 3771 The price of the Bleriot cut-out is £1.13.6d.. The first two samples operated excellently on the bench and it… | ||
| Scan234 | Copy of a letter from SOCIETE des Etablissements L Bleriot regarding specifications for an automatic switch. | ||
| View original record | YO. X 4215 Copy of letter received from :- SOCIETE des Etablissements L Bleriot 14/16, Rue Duret, PARIS. DURET 16th Avril, 1921. To, Messrs. Rolls-Royce Co,Ltd., Nightingale Road, DERBY (England). X… | ||
| Scan235 | The chosen 'cut-in' and 'cut-out' tensions for an automatic switch. | ||
| View original record | -2- Contd. "hunting" effect on the automatic switch; on the contrary, if the automatic switch cuts in for a tension of 13v.5, there would not be any back current running through, and the armature will… | ||
| Scan236 | Letter from Societe Des Etablissements L Bleriot discussing the specifications and adjustment of automatic electrical switches. | ||
| View original record | -3- Contd. its "cutout" point is 12 v. We understand by "warm" after a full run during 2 hours under 14v.5 with a current of 10 amps. The automatic switch being placed in free air and the ambient… | ||
| Scan237 | Request for a report on the behaviour of a Bleriot Phi cutout fitted to a car. | ||
| View original record | X4215 To EP. from EFC. EFC10/T19.4.21. X.4215 BLERIOT CUT-OUTS. We shall be glad to have a report from you as to the behaviour of the Bleriot Phi cutout which is fitted to your car. EFC. | ||
| Scan238 | Letter from motor lamp manufacturer Blériot Limited regarding 'cut-outs' and an enclosure from their Paris House. | ||
| View original record | X. 4215 BLÉRIOT LIMITED MOTOR LAMP MANUFACTURERS Telephone: No. 3279 HOP. Works: 4 CATESBY STREET WALWORTH, LONDON, S.E.17 Contractors to the Admiralty, Air Board, War Office, and Ministry of… | ||
| Scan239 | Forwarding a letter from Bleriot Ltd. regarding Bleriot FHI Cut-outs. | ||
| View original record | R.R. 235a-(100 T) (S.H. 798. 10-12-20) G. 2948 EFC. from Wd. c. to Ms. c. to Da. c. to Da/Thr. X. 4215 Wd3/NJ21.4.21. X.4215 - Bleriot FHI. Cut-outs. Following mine Wd2/NJ30.3.21 and yours… | ||
| Scan240 | Instruction note complaining about the poor re-adjustment of four Blériot-Phi cut-outs. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.4215. 95218 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. I Date: 21-4-21 Order No: Customer's No.: FD.91. Re: X.4215. Blériot-Phi Cut-outs. Not one of the… | ||
| Scan241 | Instructions sheet detailing voltage cut-in points and auxiliary contact status. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 95219 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No Customer's No. FD 92 Re when received in the first time. on cut out no Aux. Contact I. Cuts in 14.8… | ||
| Scan242 | Unsatisfactory performance of Bleriot Phi cutouts returned from the manufacturer after adjustment. | ||
| View original record | To Wd. from EFC. c. to Da. c. to Da/Thr. c. to Ms. X.4215 EFC3/T21.4.21. X.4215 - BLERIOT PHI CUTOUTS. The four Bleriot Phi cutouts which we recently received back from the makers supposed to be… | ||
| Scan243 | Planned visit to Messrs. Bleriot's London premises regarding instruments. | ||
| View original record | Contd. -2- EFC3/T21.4.21. visit in London, I will probably call at Messrs. Bleriot's London premises in connection with these instruments. EFC. | ||
| Scan244 | Returning four Bleriot PHI cutouts to the supplier, Messrs. Bleriot. | ||
| View original record | X.4215. To Wd. from EFC. c. Shipping Office. c. Stores.(Despatch). EFC4/T21.4.21. X.4215 - BLERIOT PHI CUTOUTS. ----------------------------- We are sending into the Stores for return to Messrs.… | ||
| Scan245 | Giving instructions for the despatch of four 'Bleriot PHI Cutouts' to Messrs. Bleriot in London. | ||
| View original record | R.R. 205m (80 T) (S.H. 980, 19-2-21) G. 3000 X.4215 EFC. c. to D/Ex. Chatwin. c. to D/BP. Wd/GHB9/W22421. 22nd Apr. 1921. X.4215 - BLERIOT PHI CUTOUTS. Re memo EFC4/T21.4.21 respecting 4 Cutouts. We… | ||
| Scan246 | Performance and testing of Bleriot cut-outs after 600 miles of use. | ||
| View original record | X. 4215 EFC. from EP. EP16/F22.4.21. [STAMPED TEXT] A.T. RECEIVED 26 APR 1921 [END STAMPED TEXT] X.4215 - BLERIOT CUT-OUTS. With reference to your EFC10/T19421 & the Bleriot cut-out which was supplied… | ||
| Scan247 | Correspondence regarding a complaint about Bleriot PHI cut-outs and their country of origin. | ||
| View original record | R.R. 235a (100 T) (S.H. 798, 16-12-20) G. 2948 EFC. from Wd. c. to Da. c. to Da/Thr. c. to Ms. X 4215 Wd3/NJ25.4.21. X.4215 - Bleriot PHI. Cut-outs. In reply to yours EFC3/T21.4.21, Bleriot Ltd. have… | ||
| Scan248 | Correspondence summarising a letter from Bleriot Ltd. regarding the supply and specifications of PHI Cut-outs. | ||
| View original record | EFC. from Wd. c. to Da. c. to Da/Tho. c. to Me. [STAMP: RECEIVED 30 APR 1921] X. 4215. Wd4/NJ30.4.21. X.4215 - Bleriot PHI. Cut-outs. I confirm mine Wd3/NJ25.4.21. We are this morning in receipt of a… | ||
| Scan249 | Issues with obtaining satisfactory Bleriot Phi cutouts. | ||
| View original record | To R & E. from EFC. c. CJ. c. Bn. c. By. c. Wd. c. EP. c. Da. c. Wor. c. Hm. c. Hy. X. 4215 EFC1/T10.5.21. X.4215 - BLERIOT PHI CUTOUTS. We have not been successful in obtaining satisfactory Bleriot… | ||
| Scan250 | Specifications and operation of a 'cut-out' component with a supplier. | ||
| View original record | Contd. -2- EFC1/T10.5.21. premises on Saturday morning in order to discuss the matter with one of their technical men. He was surprised that we had taken such a detailed interest in the exact… | ||
| Scan251 | Letter to Messrs. Bleriot Ltd. concerning the voltage specifications for the electrical setting of a cutout. | ||
| View original record | X.4215 wd. Da. EFC2/T. 10th May, 1921. Messrs. Bleriot Ltd., 2 & 4 Catesby Street, Walworth, S.E.17. X.4215 Dear Sirs, As arranged during our visit to your premises on Saturday April 30th, when the… | ||
| Scan252 | The operational characteristics of a dynamo cutout system and the Bleriot Phi cutout. | ||
| View original record | EFC2/T. -2- Contd. cutout is hot. It will also be appreciated that the moment the cutout comes into operation it will begin to heat up and the cutting in voltage will increase almost immediately so… | ||
| Scan253 | The performance and specification of dynamo cutouts and their interaction with the battery. | ||
| View original record | EFC2/T. -3- Contd. 5. It would be very unlikely that the "hunting" effect mentioned would be produced. This might occur if the battery had been receiving the charge from an outside source, and be… | ||
| Scan254 | Letter from motor lamp manufacturer Blériot Limited concerning cut-out samples and a potential contract. | ||
| View original record | X. 4215. BLÉRIOT LIMITED MOTOR LAMP MANUFACTURERS Telephone: No. 3279 HOP. Works: 4 CATESBY STREET WALWORTH, LONDON, S.E.17 Contractors to the Admiralty, Air Board, War Office, and Ministry of… | ||
| Scan255 | Letter from Bleriot's Paris House regarding the supply of Bleriot Phi Cut-outs. | ||
| View original record | EFC. from Wd. X.4215 Wd1/NJ24.5.21. RECEIVED STAMP [MAY 24] X.4215 Bleriot Phi Cut-outs. We are in receipt of a letter from Bleriot's Paris House, dated 21st inst. as follows:- "According to your… | ||
| Scan256 | Ordering and supply status of Bleriot Phi cutouts for experimental and trials cars. | ||
| View original record | To Wd. from EFC. X.4215. EFC5/T30.5.21. X.4215 - BLERIOT PHI CUTOUT. Answering your Wd1/NJ24.5.21, it was decided at the Works Committee Conference held on 23.12.20 as a result of Mr. Royce's note… | ||
| Scan257 | Urgent need to obtain more satisfactory electrical equipment, rejecting Lucas parts and suggesting US alternatives. | ||
| View original record | To Wor. from R. copies to Hs. Wd. X4215 R18/H13.6.21. X.4215 X.3014b. X.295 X.4215 X.4172 X.4173 BJ. telegraphed to you to-day as attached. Every endeavour should be made immediately to obtain a… | ||
| Scan258 | Extract comparing the reliability and functionality of a Bleriot cutout versus a Lucas cutout. | ||
| View original record | X4215 Extract from R10/G14.6.21. X.4165. LUCAS ELECTRICAL EQUIPMENT. X.4215. X.3770. Regarding a cutout, my impression is, from the two samples I have received, that the Bleriot cutout is the batter,… | ||
| Scan259 | Receipt and specifications of six Bleriot Phi Cut-outs from Bleriot Ltd. | ||
| View original record | EFC. from Wd. c. to OC/Dn. X.4215. Wd2/NJ15.6.21. X.4215 - Bleriot Phi Cut-outs. Your letter ref.- EFC2/T. of 10th ult. to Bleriot Ltd., London, and your note EFC5/T30.5.21 to me. We are now in… | ||
| Scan260 | Forwarding of 6 Cut-outs from Bleriot Limited for experiment 4215. | ||
| View original record | R.R. E35a (100 T) (S H. 798. 10-12-20) G. 2548 X. 4215 D. for Mr Chetwin. C. to EFC. Wd/Dn3/HP15621. 15th June. 1921. X.4215 We understand from Messrs. Bleriot Limited, London., that they are… | ||
| Scan261 | Confirming receipt of a letter from Bleriot Ltd. regarding the dispatch of Bleriot PHI Cut-outs. | ||
| View original record | R.R. 235c (10 Y.) (S.H. 988. 22/2/21.) Bm. 59878. X.4215. EFC. from Wd. c.c to OO/Dn. Wd1/NJ30.6.21. X.4215 - Bleriot PHI. Cut-outs. I confirm mine Wd2/NJ15.6.21. We are in receipt of a letter from… | ||
| Scan262 | Instructions for handling and adjusting Bleriot Phi Cutouts based on their serial numbers. | ||
| View original record | X.4215 16.7.21. X.4215 - BLERIOT PHI CUTOUTS. Bleriot cutouts Nos. 38657/9 which are sealed, to be untouched. -> 5EX Bleriot cutouts Nos.38656/38660 are passed for fitting on cars. These can be tried… | ||
| Scan263 | Adjustment instructions for the Bleriot Phi cutout instrument. | ||
| View original record | R.R. 558a (100 T) R.H. 723. 10-12-20. G 2747 X.4215 16.7.21. X.4215 - BLERIOT PHI CUTOUT - ADJUSTMENT OF INSTRUMENT. (1) Adjust back air gap until, with the instrument cold, no inherent vibration… | ||
| Scan264 | Letter from Blériot Limited following up on the supply of 6 Cut-Outs. | ||
| View original record | X.4215. BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17 Proprietors of THE SCOTT… | ||
| Scan265 | Letter to Messrs. Bleriot Ltd. postponing feedback on the testing of cutouts. | ||
| View original record | X4215 EFC2/T. 8th. August, 1921. Messrs. Bleriot Ltd., 2 & 4 Catesby St., Walworth, London, S.E.17. Dear Sirs, Cutouts. We thank you for your letter, ref. WW/MM of July 27th. Our tests of these… | ||
| Scan266 | Performance of Bleriot Phi cutouts on test cars and offering a replacement. | ||
| View original record | X 4215 To EP. from EFC. EFC1/T8.8.21. X.4215 - BLERIOT PHI CUTOUTS. Further to our EFC3/T10.3.21 and EFC10/T19.4.21, and your answer EP16/F22.4.21, we would like to hear from you again with regard to… | ||
| Scan267 | Letter from Blériot Limited regarding cut-outs. | ||
| View original record | X.4215 FC AUG 10 1927 RECEIVED BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17… | ||
| Scan268 | The quality, testing, and vibration issues of Bleriot Phi Cutouts. | ||
| View original record | X4215 To R. & E. from EFC. c. to CJ & PN. c. By & Rg. c. Da & EP. c. R.R. of American Inc. EFC1/T11.8.21. X.4215 - BLERIOT PHI CUTOUTS. Since last reporting on the above (see our report EFC1/T10.5.21)… | ||
| Scan269 | Adjustment and performance of electrical cutouts, referencing correspondence with the Bleriot Company. | ||
| View original record | Contd. -2- EFCl/Tll.8.21. suitable adjustment of the back air gap (near pivot) and spring tension, without introducing this fault, and we have ourselves adjusted two of these six cutouts with… | ||
| Scan270 | Return of Bleriot Phi Cutout No. 34685 after successful testing. | ||
| View original record | R.R. 235a (100 T) (S.H. 798, 16-12-20) G. 2948 X4215 31.8.21. X.4215 - BLERIOT PHI CUTOUT. Cutout No.34685 has been handed back to us by EP. after running a large number of miles satisfactorily on a… | ||
| Scan271 | Extract regarding the distributing board and dynamo cutout for the Goshawk II. | ||
| View original record | X4215 Extract from R10/G14.9.21. RE GOSHAWK II. X41421 X4215 The distributing board has already been sent. For the present we can use a Bleriot dynamo cutout fitted on the dashboard. | ||
| Scan272 | Letter from Blériot Limited inquiring about the testing of 'Cut-outs' previously supplied. | ||
| View original record | X.4215 BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17 Proprietors of THE SCOTT… | ||
| Scan273 | Quality and performance testing of Bleriot PHI Cutouts samples. | ||
| View original record | R.R. 235A (100 T) S.H. 728. 10-12-20. G 2947 To R. from EFC. c. E. c. CJ. c. Da. X.4215 EFC2/T6.10.21. X.4215 - BLERIOT PHI CUTOUTS. Of the two original samples, one you have for your lighting set at… | ||
| Scan274 | The testing of a Bleriot Phi cutout and its potential use with a Goshawk chassis. | ||
| View original record | R.R. 224A (100 T) (S.H. 726. 10-12-20) G. 2947 Contd. -2- EFC2/T6.10.21. satisfactorily; the remaining three of these four are available for other purposes. From the tests we have made, therefore, it… | ||
| Scan275 | Letter to Bleriot Ltd. concerning the quality and adjustment of Bleriot Phi Cut-outs. | ||
| View original record | R.R. 322A (100 T) [S.H. 798. 10-12-20] G 2947 X4215 EFCl/T. 7th October, 1921. Messrs. Bleriot Ltd., 2 & 4 Catesby Street, Walworth, S.E.17. Dear Sirs, In answer to your WW/MM of the 5th inst.. re… | ||
| Scan276 | Page 2 of a letter discussing experimental cutouts, adjustments, and test results. | ||
| View original record | R.R. 526A (100 T) (S.H. 798 10-12-29) G 2947 -2- Contd. after making our own adjustment. You will see that in the case of the last one, No.38681, the reverse series amperes are very much less than is… | ||
| Scan277 | Letter from Blériot Limited regarding the return and testing of two cut-out instruments. | ||
| View original record | X.4215. BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works : 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17 Proprietors of THE SCOTT… | ||
| Scan278 | Instructing the return of two Bleriot Phi type cutouts to the makers for readjustment due to not meeting specifications. | ||
| View original record | X4215 To Wd. from EFC. c. Shipping Office. c. Despatch Stores. EFC3/T10.10.21. X.4215 - BLERIOT PHI CUTOUTS. We are sending into the Stores two Bleriot Phi type cutouts. These are to be returned to… | ||
| Scan279 | Letter to Bleriot Ltd. concerning the return of two vibrating cut-out instruments and the method of their adjustment. | ||
| View original record | X4215 EFC2/T. 10th October, 1921. Messrs. Bleriot Ltd., 2 & 4 Catesby Street, Walworth, S.E.17. Dear Sirs, Re Cut-out. We have your letter of the 8th inst. We would gladly take the figures for which… | ||
| Scan280 | Letter from Blériot Limited regarding the adjustment and return of two cut-outs. | ||
| View original record | X. 4215. BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17 Proprietors of THE SCOTT… | ||
| Scan281 | The testing of a Bleriot PHI cutout instrument on a Goshawk engine test bed. | ||
| View original record | X.4215. 12.10.21. X.4215 - BLERIOT PHI CUTOUT. Instrument No.38660 has been handed over for test in conjunction with the Rotax dynamo on the Goshawk engine on the test bed. EFC. | ||
| Scan282 | The fitting of a Bleriot cutout to Goshawk II. | ||
| View original record | 18.10.21. X.4215 - BLERIOT PHI CUTOUTS+ Bleriot cutout No.38658 has been handed over to be fitted to Goshawk II. E.F.C. EFC. | ||
| Scan283 | Letter from Blériot Limited arranging a meeting about 'Cut-outs' at the Olympia Motor Show. | ||
| View original record | X. 4215. BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST., WALWORTH, LONDON, S.E.17 Proprietors of THE SCOTT… | ||
| Scan284 | Letter to Messrs. Bleriot Ltd. arranging a meeting at the Show to discuss the Bleriot cutout. | ||
| View original record | X. 4215. EFC2/T 2nd. November, 1921. Messrs. Bleriot Ltd., 2 & 4 Catesby Street, Walworth, S.E.17. Dear Sirs, We thank you for your letter of yesterday's date with regard to the Bleriot cutouts,… | ||
| Scan285 | Letter from Blériot Ltd confirming a meeting at Olympia to discuss cut-outs. | ||
| View original record | X.4215. [Red Stamp: NATIONAL SCHEME FOR DISABLED MEN] BLÉRIOT LIMITED THE ILLUMINATING ENGINEERS CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND AIR BOARD Head Office & Works: 2 & 4 CATESBY ST.,… | ||
| Scan286 | Cover letter forwarding correspondence from Messrs. Bleriot Limited regarding two cutouts, requesting a reply. | ||
| View original record | EFC. From C.O. X 4215 Wa/Dn7/HP161121 16th Nov.1921 We attach hereto copy of a letter reference WW/MK of the 10th inst. received this day from Messrs. Bleriot Limited. regarding two cutouts. We shall… | ||
| Scan287 | Letter from Bleriot Limited detailing the test results for two cut-outs. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP18086g X. 4215. COPY OF LETTER FROM:- BLERIOT LIMITED. Our Ref. WW/MK. November 10th 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, CUT-OUTS. We… | ||
| Scan288 | Copy of a letter from Bleriot Ltd. to Rolls-Royce regarding an order for cutouts. | ||
| View original record | X. 4215. TAD. O.(D2-01-07 20T 18.23)T m1.1-S.24 COPY OF LETTER RECEIVED FROM:- BLERIOT, LTD. 2 & 4 CATESBY ST. WALWORTH, LONDON S.E.17. WW/MK. November 22nd. 1921. Messrs. Rolls-Royce Limited,… | ||
| Scan289 | Status of Bleriot Phi Cutouts for use on experimental Goshawk chassis. | ||
| View original record | R.R. 335A (100 T) (S.H. 798, 10-12-20) G. 2047 X 4215 To ROY. from EFC. EFC1/T30.11.21. X.4215 - BLERIOT PHI CUTOUTS. With reference to Messrs. Bleriot's letter attached, we now have 10 of these… | ||
| Scan290 | Copy of a letter from Bleriot Limited regarding a visit to Ericsson's Works about a cutout. | ||
| View original record | X.4215. COPY OF LETTER RECEIVED FROM:- BLERIOT LIMITED, 2 &4 Catesby Street, Walworth, London, S.E.17. TB/AG. WW/MK. February 8th 1922. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y. Dear… | ||
| Scan291 | Bleriot Phi cutout and the decision to use a different in-house designed cutout for the Goshawk engine's electrical system. | ||
| View original record | X. 4215 To Wd. from EFC. EFC1/T10.2.22. ___ X.4215 - BLERIOT PHI CUTOUT ___ With reference to Messrs. Bleriot's letter of February 8th (attached) the Bleriot type cutout is in our opinion the very… | ||
| Scan292 | Test results table for Bleriot Phi cutouts under cold operating conditions. | ||
| View original record | X. 4215. X.4215. BLERIOT PHI CUTOUTS (COLD) Battery disconnected. Battery connected. [TABLE START] Remarks. | Cut-out number. | Cold operation. Volts. (12.2-12.8) | Amperes before. (.20) | Amperes… | ||
| Scan293 | Test report for Bleriot Phi cutouts under hot operating conditions. | ||
| View original record | X.4215 - BLERIOT PHI CUTOUTS. (HOT) £ 2 Battery disconnected. | Battery connected. Remarks | Cut-out number. | Hot operation. | Hot de-operation | Hot de-operation. | | Volts. | Amperes before. |… | ||
| Scan294 | Test results for Bleriot Phi Cutouts under cold operating conditions. | ||
| View original record | X.4215. BLERIOT PHI CUTOUTS (COLD) Battery disconnected. Cold operation. Cold de-operation. Battery connected. Cold deoperation. Remarks | Cut-out number. | Volts. | Amperes before. | Amperes after. |… | ||
| Scan295 | Test data sheet for Bleriot PHI cutouts under hot conditions. | ||
| View original record | X.4215 - BLERIOT PHI CUTOUTS. (HOT) Remarks Battery disconnected. Hot operation. Cut-out number. Volts. 13.2-14.2 Amperes before. .20 Amperes after. Hot de-operation Volts. Amperes before. Amperes… | ||
| Scan296 | Choice of Rotax, Smith or Bleriot Phi cutouts for West Wittering. | ||
| View original record | V4215 To R. from EFC. EFC3/T12.10.22. X1815 (crossed out) X4215 RE CUTOUT FOR WEST WITTERING. We have your R1/M9.10.22. There is a choice of Rotax, Smith or Bleriot Phi cutouts, any one of which will… | ||
| Scan297 | From 'R' to 'EFC' discussing the construction and testing of a cutout for a 24/30 voltage system. | ||
| View original record | X4215 To EFC. from R. R1/M14.10.22. X.1815. RE CUTOUT FOR W W X.4215. I intend you to make up an RR. cutout but I am not particular whether it is a R-R or a Bleriot-Phi, the latter fits the space and… | ||
| Scan298 | The modification of a Bleriot Phi cutout for West Wittering. | ||
| View original record | To R. from EFC. X4215 EFC2/T16.10.22. X.1815 - RE CUTOUT FOR WEST WITTERING. X4215 MADE AT CROXLEY We have your F1/W14.10.22. We are taking steps to modify a Bleriot Phi cutout No.38657, as we have a… | ||
| Scan299 | Instructions for modifying a Bleriot-Phi Cut-out for 24 Volts by replacing the windings. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X4215 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: A.B. 54. Customer's No. X.4215. Bleriot-Phi Cut-out for 24 Volts. The Bleriot cut-out no.… | ||
| Scan300 | The rewinding of a Bleriot phi cutout for 24 volts. | ||
| View original record | X 4215 To FHC. from EFC, EFCl/T23.10.22. X.4215 - BLERIOT PHI CUTOUT FOR R. WOUND FOR 24 VOLTS. Herewith we are handing you back the parts of the Bleriot phi cutout having unwound the coils and… | ||
| Scan301 | Instruction for measuring coil resistance after the main shunt winding is applied. | ||
| View original record | Contd. -2- EFC1/T23.10.22. After the main shunt winding has been put on and before the resistance wire is wound, the coil should be returned to us for a resistance measurement upon which the length… | ||
| Scan302 | The despatch of a Bleriot Phi cutout to Mr. Royce. | ||
| View original record | To O.O. from EFC. c. BP. c. Despatch Stores. X4215 [handwritten] EFC10/T16.11.22. X.4215 - BLERIOT PHI CUTOUT. V3362 We are sending into the Stores for despatch to Mr. Royce (no charge) one Bleriot… | ||
| Scan303 | The modification of a Bleriot phi cutout to 24-volt working, including adjusted resistance and current figures. | ||
| View original record | To R. from EFC. X4215 EFC6/T16.11.22. X.4215 - BLERIOT PHI CUTOUT We have now completed for you the transformation of a Bleriot phi cutout to 24 volt working and are having this forwarded to you under… | ||
| Scan304 | Wiring diagram of a Bleriot PHI cutout. | ||
| View original record | X.4215 - DIAGRAM OF BLERIOT PHI CUTOUT INSULATION AC MC R 110w. Sh. 150w Se X D- B- D+ 1 2 3 6 + - | ||
| Scan305 | The replacement of a Bijur dynamo with a Lucas dynamo due to a faulty voltage regulator. | ||
| View original record | Hs. for EFC. from GWH. x4215 25.4.23. RE 4-EX. x3764 x4215 x3580 Bijur dynamo taken off - replaced by Lucas dynamo and Bleriot Phi cutout. The Bijur dynamo also has run in England 17,300 miles. The… | ||
| Scan306 | Letter offering the sole manufacturing rights for a Dyno-Starter and arranging a demonstration. | ||
| View original record | X.4216 THE LONDON MECHANICAL TRANSPORT REPAIR DEPOT. GROVE PARK, LONDON. S.E. For the attention of E.F. Clarke. Esq.. 12th November, 1920. Messrs Rolls Royce Ltd, Nightingale Rd, Derby. X. 4216 Dear… | ||
| Scan307 | Particulars of a combined electric starter and dynamo unit for consideration. | ||
| View original record | X.4216 To Da. from EFC. c. Hs. " " " Bn. EFC3/T17.11.20. X.4216 - RE COMBINED STARTER AND DYNAMO. There have been submitted to me some particulars of a combined electric starter and dynamo which, by… | ||
| Scan308 | Investigation of a starter motor and the provision of blueprints to Mr. Hives. | ||
| View original record | Contd. -2- EFC3/T17.11.20. affixed as per photograph. The operation would then be demonstrated by us and if we have decided that we are interested in this at all it has been offered to leave the… | ||
| Scan309 | Consideration of a combined starter and dynamo versus separate units. | ||
| View original record | X4216 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 blue… | ||
| Scan310 | Description of a combined electric starter and lighter, detailing its patented internal epicyclic change speed gear and operational principles. | ||
| View original record | X 4216 (crossed out) X4216 (filed 18.11.20) X.294 Combined Electric Starter & Lighter, patents Nos. 19108/19 & 161/20. This machine has an internal change speed gear, which provides that when… | ||
| Scan311 | Description of the mechanical operation of a combined electric starter and lighter, including its response to an engine backfire. | ||
| View original record | Combined Electric Starter & Lighter, patents Nos. 19138/19 & 161/20. (2). If now the Armature is held and the shaft turned slowly it will be seen that the spider unscrews from the toothed nut; and… | ||
| Scan312 | Letter requesting comments on a submitted blueprint and specification for a dynamo starter. | ||
| View original record | X.4216 [STAMP: RECEIVED 7 DEC 1920 ROLLS-ROYCE LIMITED] The London. Mech. Ispt. Repair Depot. Grove Park. X4216 6/12/20 S.S.13. Gentlemen. A short while ago, I had the pleasure of leaving with you,… | ||
| Scan313 | Letter responding to a proposal for a dyno-starter, expressing limited interest and outlining objections. | ||
| View original record | X 4216 C+ Da. EFC3/T, 6th December, 1920. Capt. P. C. Chivers, R.A.S.C., The London Mechanical Transport Repair Depot, Grove Park, London, S E. Dear Sir, Re Dyno-Starter. X294 We have now fully… | ||
| Scan314 | Combined starter and lighter invention and its potential for the Goshawk II chassis. | ||
| View original record | X4216 To EFC from DA. DA20/CB11-1-21. I return herewith the combined starter and lighter which you sent to us some little while ago. I believe that it is now decided that this invention does not… | ||
| Scan315 | Close-up photograph of a dynamo mounted next to a honeycomb radiator. | ||
| View original record | ", | ||
| Scan316 | Blueprint of an electric starter and dynamo unit. | ||
| View original record | SECTION A-A SECTION B-B ELECTRIC STARTER AND DYNAMO PATENT NO 19108/19 AMERICAN PATENT APPLIED FOR Accepted OTHER PATENTS PENDING Note. The latest design eliminates the large ball bearing shown as C;… | ||
| Scan317 | Technical specifications and performance data for a 12-volt combined starter and lighter system. | ||
| View original record | X4216 Combined Starter & Lighter, 12 Volts System. To Starter Locked Torque on pinion 67.5 ft lbs. 0.68 H.P. when running at 180 r.p.m. on pinion; geared 1.70 to 1 to pilot shaft on 12/20 B.A.C Car. =… | ||
| Scan318 | Preference for separate starter motors and dynamos over combined units for simplicity and maintenance. | ||
| View original record | X4216 To CJ. from R. c. to BJ c. to PNJ c. to Hs. c. to EP. c. to Wor. c. to EWC. c. to R.R. of America Inc. (For the attention of OY.) R3/G10.1.21. [Stamped Box] X.4216. X.294. X.543. [text heavily… | ||
| Scan319 | Letter to Shaw & Kilburn Ltd. regarding the return of an incorrect part and a request for the correct water pump casing. | ||
| View original record | x4217 Exptl. Dept. Hs/FD. 24/KW. 13th September, 1934. Messrs. Shaw & Kilburn Ltd., 112-114, Wardour Street, LONDON. Dear Sirs, We are returning the Essex 6 part which you have supplied us with, as… | ||
| Scan320 | Sample 'FORS' Battery from the Callender Cable Company for trial. | ||
| View original record | EFC from ROY. X. 4218. ROY4/MG11.8.23 Following our recent conversation with Mr. Petersen, associated with the Callender Cable Company, herewith is the sample "FORS" Battery which they have submitted… | ||
| Scan321 | The routine treatment and testing of car lighting and starting batteries. | ||
| View original record | X 4218 ROUTINE TREATMENT OF CAR LIGHTING & STARTING BATTERIES. FORM A. Date:- 13-5-23 Battery under treatment:- 7ers Rated capacity:- 45 ampere hours. Received charged or uncharged:- uncharged X.4218… | ||
| Scan322 | Log sheet detailing a battery's second charge cycle, weight, and performance test results. | ||
| View original record | -2- Contd. (6) Second charge :- Amperes. from to hours. amp.hours. Date:- 4.5 2-30 5-30 3.0 13.5 14-11-23 4.5 11-0 3-0 4.0 18.0 15-11-23 3.0 8-0 5-30 9.5 28.5 16-11-23 4.5 10-0 12-0 2.0 9.0 17-11-23… | ||
| Scan323 | Test report detailing battery cell densities and charge characteristics. | ||
| View original record | -3- Contd. Date:- (12) Cell densities :- (1) - (4) - (2) - (5) - (3) - (6) (13) Third charge equivalent to average current of 4.5 amperes for 21.5 hours i.e. ampere-hours = 96.75 (14) Cell densities.… | ||
| Scan324 | Report page on the fifth charge equivalent, detailing current, hours, and ampere-hours, with a note on measurement difficulties. | ||
| View original record | (4) Contd. (18) Fifth charge equivalent to average current of 5.0 amperes for 11 3/6 hours i.e. ampere-hours = 58.0 Date. 30-11-23 to 3-12-23 It will be noted that the temp. & densities have not be… | ||
| Scan325 | Performance and testing status of various car batteries. | ||
| View original record | X4218 To ROY. from EFC. EFC4/T18.1.24. X.664 - BATTERIES. Reference your ROY16/MG16.1.24. Forse battery from Messrs. Callender. X4218 This battery has not done very well on our routine tests. Further… | ||
| Scan326 | The unsuitability and failure of a 'Fors' battery from Messrs. Calender during testing. | ||
| View original record | ROY. from EFC. X.4218 EFC1/LG8.2.24. X.4218 - 'FORS' BATTERY. (From Messrs. Calender) A further experiment has been done on this battery and shows this type of element construction to be entirely… | ||
| Scan327 | Service and performance log for battery number 108. | ||
| View original record | BATTERY RECORD. Battery No. 108 Battery. Fors X. No. 3777 4218 Date. Service on If on car miles run. If on test notes re use. Total miles run. Remarks re performance. 13.8.23, Routine Tests 5-11-23,… | ||
| Scan328 | The return of a 'FORS' Battery to its makers (Callender) and the cessation of further tests. | ||
| View original record | X 4218 EFC. from ROY. ROY8/MG11.2.24 X.4218 - "FORS" Battery (Callender) EFC1/LGS.8.2.24. Would you kindly send the "FORS" Battery to Stores for return to the makers. I am advising the latter we do… | ||
| Scan329 | Returning a 'Fors' battery, noting it is filled with water for transit purposes. | ||
| View original record | X4218 To My/Chat. from EFC. c. to Roy. EFC2/LG13.2.24. X.4218 - 'FORS' BATTERY. Herewith one Fors Battery to be returned in accordance with Roy's instructions. Kindly note, this battery is filled with… | ||
| Scan330 | To Mr. Clarke regarding the dispatch of a battery to the Erith Battery Company. | ||
| View original record | X. 4218 Mr. Clarke. I have rung up Chat, and as the Battery is going to-day, he will sent it to The Erith Battery Company, direct. ROY is not here to-day. Would the enclosed letters be in order do you… | ||
| Scan331 | Letter from an engineering merchant regarding a failed accumulator and a request for it to be returned for investigation. | ||
| View original record | X. 4218 Copy of Letter From: G.H.T.PETERSEN (ENGINEERS' MERCHANTS) LTD. Ref: ROY7/MG11.a.24 Ref: RODN 82, Victoria Street LONDON S.W.1 13th.February 1924. Messrs. Rolls-Royce Ltd., DERBY Dear Sirs:-… | ||
| Scan332 | Report on the X.4218 Fors Battery for the Erith Battery Co. | ||
| View original record | ROY. from EFC. X4218 EFC2/LG19.2.24. X.4218 - FORS BATTERY. Herewith please receive two copies of report on X.4218 - Fors Battery which you may like to send to the Erith Battery Co. as a result of… | ||
| Scan333 | Test report on the capacity and performance of a Fors battery. | ||
| View original record | X.4218 - FORS BATTERY. RATED AMPERE HOUR CAPACITY - 45. This battery was received by us 13.8.23 and was at first put through our routine tests. After giving a suitable first charge at average rate… | ||
| Scan334 | Experimental use and failure of a battery, deeming it unsuitable for its purpose. | ||
| View original record | contd:- -2- Apart from these periods it was subject to ordinary experimental use from 5.11.23 to 11.2.24, when it was found that No.5 cell had failed by shorting internally. It will be seen from the… | ||
| Scan335 | Summary notes on a Fors Type 12-3404 12-volt battery. | ||
| View original record | RR. 300 (20 Bks.) (SK 354 5-12-22 MP 264049) X.4218 108546 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No.: Customer's No.: J.B.17. Re: 28-8-1923 Summary notes of interest on the Fors Type… | ||
| Scan336 | Instructions regarding the grouping and connection of battery cells and terminals. | ||
| View original record | RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) 108547 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To___________________________ Order No.____________________ Customer's No. JB17. Re___________________________… | ||
| Scan337 | Instructions detailing the design of vents and elements for a component. | ||
| View original record | RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) 108547 ROLLS-ROYCE LIMITED. INSTRUCTIONS. III. To ________________19 Order No._____________ Customer's No. J.B.17. Re (cont'd) design with a heavy lug… | ||
| Scan338 | Instructions detailing the construction and mounting of a vehicle battery. | ||
| View original record | RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) 108548 ROLLS-ROYCE LIMITED. INSTRUCTIONS. IV To____________________.19____ Order No._______________ Customer's No. J.B.77. Re cont'd 7 The separators used… | ||
| Scan339 | Graph plotting electrical measurements including amperes, ampere-hours, and ohms for a circuit test. | ||
| View original record | 11 12 108 X.4218 / 2 3 Fars 22-11-23 45 -> / Average amperes = 64.5 Amperes per div = 19.5 Ampere hours = 29.0 Ohms in circuit = 1.75 X4218 | ||
| Scan340 | Graph plotting electrical test results over time with calculated values. | ||
| View original record | Jars. 30-11-23 Average amperes = 6.44. Amperes per div = 192D Ampere hours = 29.5 Ohms in circuit = 1.75 | ||