Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Transmittal note for blueprints of drawings related to the 'Goshawk' II Condenser. | ||
| View original record | X4430 EXPERIMENTAL BY/WER/AF29. C. 1. To. RHG [stamped & crossed out] S. Taylor [stamped & crossed out] EFC. [stamped & crossed out] 4430 X 3485 "GOSHAWK" II. CONDENSER. Please receive herewith two… | ||
| Scan002 | Blueprints for the 'Goshawk' II Condenser, noting the difficulty of increasing its capacity. | ||
| View original record | R.R. 235c (10 T) (S.J 194-9.6.21). EXPERIMENTAL X 4430 BY/WER3/EF29. 8. 21. To EFC: 4430 X 3485 - "GOSHAWK" II. CONDENSER. LEC 1398. For your information please receive herewith one blue print of each… | ||
| Scan003 | Extract discussing the specifications and advantages of a larger condenser for Goshawk battery ignition. | ||
| View original record | R.R. 291A. (100 T) S.H. 785. 10-12-29. G. 2947 x 4430 X. 3485. Extract from EFC2/T27.9.21. X. 2512 - CONDENSERS FOR BATTERY IGNITION. X.3485. With regard to the condenser for the Goshawk battery… | ||
| Scan004 | Confirming an experiment to increase the capacity of a Goshawk condenser using oiled paper dielectrics. | ||
| View original record | V4430 To HHC. from EFC. c. Hy. EFC4/T25.10.21. 4430 X.3465 - CONDENSER FOR GOSHAWK BATTERY IGNITION. This is to confirm that you will have made up experimentally a Goshawk condenser with oiled paper… | ||
| Scan005 | Correcting an error in the estimated volume and capacity of the Goshawk condenser. | ||
| View original record | X4430 To R. from EFC. c. E. c. GJ. c. Da. c. Ey. EFC2/T25.10.21. X.4430 X.3485 - CONDENSER. X2512 Referring to our EFC2/T27.9.21, we regret that an unfortunate error was made in the estimation (from… | ||
| Scan006 | The capacity of a Goshawk condenser compared to a Bosch battery ignition, and experiments with paper dielectrics. | ||
| View original record | Contd. -2- EFC2/T25.10.21. that of the Bosch battery ignition, but as pointed out in our note already referred to, the capacity of the Bosch battery ignition per cubic inch is twice as great as we can… | ||
| Scan007 | Request to order tin foil and mica plates for making experimental condensers. | ||
| View original record | X.4430. Wd. from EFC. EFC2/T5.11.21. 4430 X.2512 - RE CONDENSERS. Would you kindly order up 6 lbs. of .0005" ' tin foil of the same area as the present standard (.001" thick), for the purpose of… | ||
| Scan008 | Request to arrange a supply of twin condenser paper for experimental Goshawk condensers. | ||
| View original record | X.4430. To Wd. from EFC. EFCL/T5.11.21. 4430 X.2612 - CONDENSER. (GOSHAWK) Would you kindly arrange with R.R. America Inc. for the supply if possible of a reel of twin condenser paper, similar to the… | ||
| Scan009 | Covering letter forwarding a quotation and a sample book for insulating paper, along with another letter, requesting further instructions. | ||
| View original record | EFC. X 4430 ROY/Msl/FJ18.11.21. We send you herewith copy of quotation received from The Swiss Insulating Works, Ltd., Bretonbac, dated 15th inst. for 2 rolls of Insulating Paper. We also return… | ||
| Scan010 | Letter from Spicer Bros. Ltd. clarifying a query about the thickness of Insulating Paper. | ||
| View original record | Copy of letter received from:- Spicer Bros.Ltd., 19, New Bridge Street, London, E.C.4. Ref.-IM/FW. 17th Novr.,1921. Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. ROY/MS6/FJ161121 Dear Sirs, We are… | ||
| Scan011 | Letter from The Swiss Insulating Works Ltd. providing a price for Oil Paper Tapes. | ||
| View original record | Copy of letter received from:- THE SWISS INSULATING WORKS LIMITED, Bretonbac (Soleure). R/S. Nov.15th,1921. Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, We have your favour of the 11th… | ||
| Scan012 | Progress and challenges of electrical work and material sourcing for the 'Goshawk II' project. | ||
| View original record | X4430 To WOR. from R. Copy to CJ. " HS. " EWC. " HW. " FOR Mr.Coverley, " Mr.Brock. R15/G21/11/21. X4338 RE "GOSHAWK II" (See also R3/G21/11/21, R9/G21/11/21) X4383 With regard to the position of the… | ||
| Scan013 | Questioning the purchase of Dubiliers condensers and suggesting design modifications for in-house production. | ||
| View original record | To Enc. from R. Copy to Mr. BY HS. X4430 R9/G21/11/21. X4430 RE CONDENSERS - EFC1/T16/11/21. X2572 I do not understand why we are buying Dubiliers conden-sers for our 40/50 H.P. Are they cheaper than… | ||
| Scan014 | From 'R' expressing frustration over sourcing materials for condensers, such as thin paper and low hysteresis steel. | ||
| View original record | To Wor. from R. c. to CJ. c. to EFC. c. to Hs. c. to BY. c. to Wd. Y4430 R3/G21.11.21. Y4430 RE. CONDENSERS. I cannot understand Mr. Clark's trouble about condensers:- (1) We allowed more room than… | ||
| Scan015 | Letter from Rolls-Royce of America regarding battery ignition condenser tests and insulation breakdown in paper condensers. | ||
| View original record | Oy5-G211121 x 4430 Nov.21, 1921. X.4275 1/2 X.2512. X.4430. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Copies attached for Mr.Hives & Mr. Clark. Dear Sir:- Re:Battery… | ||
| Scan016 | Letter from the American Bosch Magneto Corporation regarding battery ignition condenser tests. | ||
| View original record | phon to mr hall sept 6, 21 AMERICAN BOSCH MAGNETO CORPORATION Springfield, Mass. Sept. 6, 1921. Rolls-Royce of America, Inc. Springfield, Mass. Re. Battery Ignition Condenser Tests. Att. Mr. Olley.… | ||
| Scan017 | Page 2 of a letter from American Bosch Magneto Corporation regarding mica condenser specifications and testing. | ||
| View original record | -2- Contd. mica condenser without completely destroying its effectiveness. A leaky condenser is, of course, equivalent to a capacity in parallel with the leakage resistance. This leakage resistance is… | ||
| Scan018 | The development and testing of different condenser configurations for the Goshawk ignition system. | ||
| View original record | X. 4423 [Struck through] 30 24.11.21. X.4423 - CONDENSERS FOR GOSHAWK IGNITION. The first Goshawk condenser successfully made up in the Experimental Dept. was to original detailed drawings and gave a… | ||
| Scan019 | Confirming a modified design for a Goshawk ignition condenser, including a quote from Mr. Royce. | ||
| View original record | X-44230 To By/WER. from EFC. EFC3/T24.11.21. X.44230 - CONDENSER FOR "GOSHAWK" IGNITION. This will confirm that as arranged in conversation you will get out details for modified design of Goshawk… | ||
| Scan020 | Comparing the construction and volume of Bosch condensers with the design for the Goshawk ignition system. | ||
| View original record | X. 4423 30 To R. from EFC. c.c. to CJ. c.c. to E & Da. c.c. to Ey. c.c. to Wor. c.c. to Wd. EFC2/T24.11.21. 30 X.4423 - CONDENSERS FOR "GOSHAWK" IGNITION. Yours refs. R3/G21.11.21, R9/G21.11.21 and… | ||
| Scan021 | Development of mica and paper condensers, comparing materials, sourcing, and design modifications. | ||
| View original record | Contd. -2- EFC2/T24.11.21. The length of strip unwound was 30 feet. Taking the thickness of paper to be as previously stated, .00125", this gives average paper a di-electric inductivity of 6.23 which… | ||
| Scan022 | Construction, capacity, and testing of a condenser. | ||
| View original record | Contd. -3- EFC2/T24.11.21. space provided. This condenser has been built up of .0005" tin foil and .0015" mica selected for uniformity. We have, therefore, actually obtained by this means more… | ||
| Scan023 | Technical memo detailing improvements and considerations for the battery ignition system on the 'Coshawk II'. | ||
| View original record | X.4430 Extract from R10/G25.11.21. X.3485 RE VISIT OF MESSRS. HIVES & HALDENEY TO WEST WITTERING WITH "COSHAWK II" - 23rd NOVEMBER 1921. X 4430 (6) BATTERY IGNITION. With regard to the condenser, the… | ||
| Scan024 | Letter discussing sourcing materials for a 'Goshawk' Ignition Condenser. | ||
| View original record | W. H. 288A (15M) T/ (S H. 728. 10-12-20) G 2947 EFC. from Wd. X.4430 Wd4/NJ28.11.21. X.4430 - Condenser for "Goshawk" Ignition. Referring to yours EFC2/T24.11.21, I have a letter from a friend of… | ||
| Scan025 | Telegram confirmation to EFC regarding the sourcing and alteration of a paper condenser. | ||
| View original record | V4430 28.11.21. CONFIRMATION OF TELEGRAM. TO EFC. CLARK PAPER CONDENSER PROBABLY MADE FROM TISSUE COATED WITH LINSEED OIL & PROCURED FROM SAME SOURCE AS OTHER INSULATING PAPERS, SILKS, & LINENS… | ||
| Scan026 | Confirmation of a telegram to EFC regarding the rearrangement of an ignition tower and folded paper condenser. | ||
| View original record | X4430 CONFIRMATION OF TEGEGRAM TO EFC CLARK WE ARE REARRANGING IGNITION TOWER FOR A FOLDED PAPER CONDENSER FLAT TWO AND HALF INCHES WIDE BY TWO LONG BY POINT THREE FIFTY THICK THIS MAKES CONSTRUCTION… | ||
| Scan027 | Experimental memorandum detailing drawings and parts for an alternative 'Goshawk' 11 Condenser design. | ||
| View original record | Y4430 To RHC K. E.O. Aq. EXPERIMENTAL BY/WER3/EF28. 11. 21. 4430 X. 2485 - "GOSHAWK" 11. CONDENSER - SECTION 8130. We are now issuing to you detail drawings to enable you to make up another Condenser… | ||
| Scan028 | Confirmation of a telegram regarding a condenser problem dependent on procuring specific paper. | ||
| View original record | X4430 29.11.21. CONFIRMATION OF TELEGRAM TO EFC. ROYCAR DERBY. CLARK CONDENSER PROBLEM ENTIRELY DEPENDENT ON PROCURING PAPER LIKE BOSCH IF YOU CANNOT PROCURE THIS CABLE OLLEY. ROYCE. | ||
| Scan029 | Specification sheet for paper to be used in rolled condensers. | ||
| View original record | X.4430. 29.11.21. X.4430 - PAPER FOR ROLLED CONDENSER. Required preferably in reels of not less than 50 yards each, width 1.100". Capable of being rolled up interleaved with .0005" x .900" strip tin… | ||
| Scan030 | Requesting a supply of thin oiled condenser paper for making battery ignition coils. | ||
| View original record | CLK. from R. c. to J. X4430 R1/E30.11.21. X.3445 X.4430. BATTERY IGNITION COILS. The thin oiled condenser paper would be most useful for winding between the layers of enamelled wire in coil making.… | ||
| Scan031 | Dispatch of an advance blueprint for the Goshawk Condenser. | ||
| View original record | X4430 Clk. from E. c. to CJ. 1.12.21. E2/1.12.21. X.4430. GOSHAWK CONDENSER. We send you herewith in accordance with Mr. Royce instructions an advance blueprint of the scheme that we have in hand for… | ||
| Scan032 | Progress report on the development of mica and paper condensers for the 'Goshawk' ignition system. | ||
| View original record | 2 To R & E. from EFC. c. CJ. & PN. c. By. & EP. c. Rg. & Da. c. R. R. of America Inc. c. Wd. X4430 EFC2/T1.12.21. X.4430 - CONDENSERS FOR "GOSHAWK" IGNITION. Further to our EFC2/T24.11.21, we feel we… | ||
| Scan033 | Suitable varnishes and impregnated paper for building mica condensers. | ||
| View original record | Contd. -2- EFC2/T1.12.21. we understand was sent here by Messrs. Royce Limited as possibly being of some assistance to us in this matter. He promised to send us a number of sample varnishes suitable… | ||
| Scan034 | Specification for condenser paper to suit an arrangement where it is folded flat and placed vertically on the side of an ignition tower. | ||
| View original record | X.4430 2.12.21. X.4430. PAPER FOR CONDENSER TO SUIT ARRGT. IN WHICH CONDENSER IS FOLDED FLAT AND PLACED VERTICALLY ON SIDE OF IGNITION TOWER. Required preferably in reels of, say, 25 yards each as a… | ||
| Scan035 | The production and testing of Goshawk condensers using a newly discovered insulating paper. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP1808G X4630 RECEIVED DEC 7 1921 DEC 9 1921 BYL/H. 2. 12. 21. EFC. c. Hs. c. Mr.Gamble. c. Mr.Robinson. X.4630.'GOSHAWK' CONDENSERS. A 2512 Mr.Gamble recently reported… | ||
| Scan036 | The development and comparative trial of condensers for the 'Goshawk' ignition system using oiled paper and tin foil. | ||
| View original record | X.4430 To R & E. from EFC. c. to CJ. & FN. c. to By. c. to Wd. & Roy. c. to Wor. EFC2/T6.12.21. X.4430 - CONDENSERS FOR "GOSHAWK" IGNITION. Since our last report EFC2/T1.12.21, a quantity of .002"… | ||
| Scan037 | Use of aluminium foil and oiled silk as materials for condensers. | ||
| View original record | Contd. -2- EFC2/T6.12.21. require to be made up into a form suitable for fitting in the distributor. We are specifying aluminium foil as an alternative to tin foil. We are sending you also a sample of… | ||
| Scan038 | Request for materials including paper, silk dielectric, and foil for experimental work on the Goshawk condenser. | ||
| View original record | [Handwritten top center, underlined:] X.4430 To ROY, from EFC. c. to Hy. c. to RHC. c. to Mr. Gamble. EFC1/T6.12.21. X.4430 - PAPER OR SILK DIELECTRIC FOR GOSHAWK CONDENSER. Development of our… | ||
| Scan039 | Specification detailing the materials and construction for a double interleaved strip for a rolled condenser. | ||
| View original record | Contd. -2- EFC1/T6.12.21. 5. The minimum number of reels obtainable of 25 yards length of double interleaved strip, composed of four thicknesses in all, two being of .002" thickness oiled silk as… | ||
| Scan040 | Copy of a letter from The L.P.S. Electrical Co. regarding an enquiry for insulating strip. | ||
| View original record | x4430 COPY OF LETTER RECEIVED FROM:- THE L.P.S. ELECTRICAL CO. AVENUE ROAD, ACTON, LONDON, W.3. ROY8/AG3.12.21. L. 8th December, 1921. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs,… | ||
| Scan041 | Quotation letter from L.P.S. Electrical Company detailing prices and delivery times for insulating varnished paper and silk. | ||
| View original record | -2- Insulating varnished paper. .0015" thick x 2¼" wide) .0018" " x 2¼" " ) in rolls 50 yards long. .002" " x 2¼" " @................90/0d. per 1,000 yards. Insulating varnished silk. .002" thick x… | ||
| Scan042 | Improvements to the R.R. Goshawk Condenser, including capacity and material considerations. | ||
| View original record | To EFC. from R. c. to CJ. c. to PN. c. to Hs. c. to Wor. c. to Wd. X4430 RS/M9.12.21. X.4430 - R.R. Goshawk Condenser. X.2512. In reply to your EFC2/T6.12.21., this trouble should never have existed… | ||
| Scan043 | Materials and construction methods for electrical components, specifically dielectrics and winding. | ||
| View original record | Contd. -2- R6/M9.12.21. material known to us giving high electro inductive capacity. We now find that linseed oil film is equal and more easily obtainable. I do not know why you do not try the single… | ||
| Scan044 | Letter from The British Lighting and Ignition Co. Ltd. regarding the disposal of Tin-foil. | ||
| View original record | X. 4430. TELEGRAMS: "VICKSMAG", PHONE, BIRMINGHAM. CODE USED: WESTERN UNION. TELEPHONE: EAST 340 (6 LINES) THE BRITISH LIGHTING AND IGNITION Co.Ltd. PROPRIETORS: VICKERS, LIMITED. REGISTERED OFFICES:-… | ||
| Scan045 | Ordering materials, like paper or silk dielectric, for a Goshawk condenser. | ||
| View original record | X 4430. To ROY. from EFC. EFC1/T14.12.21. X.4430 - PAPER OR SILK DIELECTRIC FOR GOSHAWK CONDENSER. Further to our EFC1/T6.12.21 requesting you to order up certain material for the Goshawk condenser… | ||
| Scan046 | Page 2 of a memo stating Mr. Royce's opinion on obtaining four thicknesses of material ready interleaved. | ||
| View original record | Contd. -2- EFC1/T14.12.21. would be more readily carried out. Mr. Royce does not favour obtaining the four thicknessws ready interleaved. EFC. | ||
| Scan047 | Revised widths for foils and paper in the Goshawk engine condenser. | ||
| View original record | X4430 RDY. from RPC. c. to BY. c. to MIC. c. to Mr. Gamble. EFC2/LG17.12.21. X.4430 - PAPER OR SILK DIELECTRIC FOR GOSHAWK CONDENSER. Further to our EFC1/T6.12.21 and EFC1/T14.12.21 We have now… | ||
| Scan048 | Letter from an insulation specialist discussing the use of tin-foil versus aluminium foil with varnished silk. | ||
| View original record | E.H.B will let you know when Mr. Symons comes. X.4430 Registered Office & Works: PARK WORKS, PARK ROAD, KINGSTON HILL, KINGSTON ON THAMES. Royal London Buildings. 196, Deansgate. Manchester.… | ||
| Scan049 | Required thickness of paper or silk dielectric material for a Goshawk condenser. | ||
| View original record | X4430 Roy/Ms. from EFC. c. to BY/WER. EFC1/LG29.12.21. X.4430 - PAPER OR SILK DIELECTRIC FOR GOSHAWK CONDENSER. Further to our EFC1/T14.12.21 and our EFC2/LG17.12.21. We now note that the LeC.1499… | ||
| Scan050 | Battery ignition condenser capacity for the 40/50 and Goshawk engines. | ||
| View original record | X4430 Extract from EFC2/EG29.12.21. X.3485. BATTERY IGNITION FOR 40/50 & GOSHAWK. X.4430. Z. 2512. X.4423. As regards the condenser capacity, it would appear that other things being the same… | ||
| Scan051 | Continued discussion on ignition phenomena, focusing on condenser discharge and contact effects in the Goshawk ignition system. | ||
| View original record | -2- Contd. may be done at the instant of make rather than that of break. You may remember that we have already proved the existence of a spark at make by synchronously eclipsing the contacts at the… | ||
| Scan052 | Letter from H.D. Symons & Co. Ltd. detailing experiments with insulated aluminium foil for condenser work. | ||
| View original record | X 4430. COPY OF LETTER RECEIVED FROM:- H.D. SYMONS & CO. LTD., INSULATION SPECIALISTS, ROYAL LONDON BUILDINGS, 196, DEANSGATE, MANCHESTER. 3rd. January, 1922. Messrs. Rolls-Royce Ltd., Derby. Dear… | ||
| Scan053 | Page two of a letter from H.D. Symons & Co. Ltd. discussing the properties of varnished silk and aluminium foil samples. | ||
| View original record | 3.1.22 -2- Contd. and varnished silk. In the first place, it is the soundest and strongest job from every point of view. The dielectric strength will have a factor of safety of somewhere in the… | ||
| Scan054 | Receipt of oiled silk strip from the Ioco Co. for experimental Goshawk condensers. | ||
| View original record | X.4430 EFC/T4.1.22. X.4430 - SILK DIELECTRIC FOR "GOSHAWK" CONDENSER We have to-day received from the Ioco Co. 10 reels each of 50 yards of silk (oiled) strip 2.350 wide for making up experimental… | ||
| Scan055 | Experimental instructions and bill of materials for the Goshawk 11 Condenser. | ||
| View original record | X4430 BY/HSG/EP11.1.22. REC. Sr. to St. T.S. EFC WTR. EXPERIMENTAL I. 44/30- "GOSHAWK" 11. CONDENSER. SECTION S130. In connection with the above Condenser please receive herewith one blue print of… | ||
| Scan056 | Note on the winding of a Condenser Roll onto a .850 diameter bobbin for ease of manufacture. | ||
| View original record | D 58585 General Arngt calls for the Condenser Roll to be wound on a .850 dia Bobbin. It may of course be found easier & better to wind in this shape. There is less compressing of the roll to be done… | ||
| Scan057 | Letter from Wraptyn Co. Limited regarding samples and an order of Pure Tinfoil. | ||
| View original record | EFC X.4430 COPY OF LETTER FROM:- WRAPTYN CO.LIMITED. 5 QUEEN VICTORIA ST, LONDON.E.C.4. January. 12th 1922. Messrs. Rolls-Royce Limited., Nightingale Road, Derby. Dear Sirs, Your ref. Wd/Dn7/HP10122.… | ||
| Scan058 | Confirming and detailing the materials being obtained for a Goshawk condenser. | ||
| View original record | X-4430 To ROY/Ms. from EFC. EFC1/T23.1.22. X.4430 - MATERIALS FOR GOSHAWK CONDENSER. This will confirm that you are now obtaining for us :- (1) Reels of narrow (.900") foil, in accordance with item… | ||
| Scan059 | Letter from H.D. Symons & Co. regarding unsatisfactory varnished silk aluminium foil samples and proposals for alternatives. | ||
| View original record | XH430 COPY OF LETTER RECEIVED FROM:- H.D. SYMONS & CO. LTD., ROYAL LONDON BUILDINGS, 196 Deansgate, Manchester. Your ref. ROY/Ms7/FJ12122 Our " HDS/AR. 14th January 1922. Messrs ROLLS-ROYCE Ltd. D e r… | ||
| Scan060 | Telegram received by telephone confirming a cable about condensor strip works was posted from New York. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 X. 4430 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received: 10 33 Date: 8 FEB 1943 To: Pegasus Derby By: l.t.H from: Preston 10 H Message:… | ||
| Scan061 | Inquiry about obtaining a thinner silk dielectric for Goshawk ignition condensers from the Ioco Company. | ||
| View original record | To Wd/Ms. from EFC. X.4430 EFC2/T16.2.22. X.4430 - SILK DIELECTRIC FOR GOSHAWK IGNITION CONDENSERS OBTAINED FROM THE IOCO CO+ We understand you have already ascertained that the above silk dielectric… | ||
| Scan062 | Confirming the satisfactory quality of oiled paper for the Goshawk Condenser and requesting an order for 100 sets. | ||
| View original record | X.4430 EFC3/T23.2.22. To Ey. from EFC. c. to Ey/WER. c. to Wor/Mr. Brock. X.4430 - GOSHAWK CONDENSER. The twin oiled paper recently received from Messrs. Attwater seems to be entirely satisfactory, at… | ||
| Scan063 | Technical update on the development and specifications of the Goshawk Ignition system components. | ||
| View original record | X4430 To Ry. from EFC. c. to Ry/WER. c. to EP. EFC2/T24.2.22. X.3485 - GOSHAWK IGNITION. With further reference to various items on the Goshawk ignition :- Coil. We have tried two of the six coils… | ||
| Scan064 | Goshawk engine condenser capacity tests, observing misfiring speeds under different conditions. | ||
| View original record | EFC. AB.41. V4430 16th March, 1922. X.4430 - COSHAWK CONDENSER CAPACITY. X.3485. X.2512. Some observations have been made, on the speeds at which misfiring occurs on a 5.0 mm. gap with various… | ||
| Scan065 | Capacity limits for Goshawk battery ignition condensers and requesting samples for testing. | ||
| View original record | X 4430 To RHC. from EFC. c. Mr. Brock. c. Ey. EFC4/T20.7.22. X.4430 - GOSHAWK BATTERY IGNITION CONDENSERS. The provisionally fixed capacity limits for the Goshawk condenser are .275 to .325 mf. For… | ||
| Scan066 | Log sheet detailing test results for experimental condensers. | ||
| View original record | XW430 E.F.C. Typed 27.7.22. X.4430 - EXPERIMENTAL CONDENSERS No. | Material. | Date. | Particulars. 1 | Tin foil .0005" x 2.125" wide. Oil Silk .002" x 2.350" from The Ioco Company. | 26.1.22. |… | ||
| Scan067 | Log sheet detailing materials, tests, and outcomes for numbered components. | ||
| View original record | -2- Contd. No. | Materials | Date | Particulars --- | --- | --- | --- 7 | Tin foil .0005" x 2.125" wide. Std. twin paper .0015" x 2.325 from Atwater. | 20.2.22. 21.2.22. | Cool on a.c. charge O.K.… | ||
| Scan068 | Graph showing curves of spark-lengths and current consumptions for Coils G.B.S. and S.B.I. | ||
| View original record | X44381 CURVES of SPARK-LENGTHS and CURRENT CONSUMPTIONS. OF COILS G.B.S. and S.B.I on 10 VOLTS (APPROX), WITH GOSHAWK BALLAST AND DISTRIBUTOR. CONDENSER ROLLED PAPER, CAPACITY .45 mF. NOTE. Spark… | ||
| Scan069 | Internal instruction sheet regarding the acceptance of Goshawk II condensers for testing. | ||
| View original record | RR26(10M BKS)(SH 428 5-11-20) MP 211103 X.4430 ROLLS-ROYCE LTD. INSTRUCTIONS. To: W. Clarke Date: 10-8-1922 Order No. EXP Dept Customer's No. 70104 Please accept 6 condensers Goshawk II Nos 8 9 10 11… | ||
| Scan070 | The production test specification for the Goshawk ignition condenser. | ||
| View original record | Y 4450 To Ev. from EFC. c. Wcr/Mr. Brock. C. EP. EFC2/T25.8.22. X.3604CF - PRODUCTION TEST OF GOSHAWK IGNITION CONDENSER. We attach copy of specification of production test of the paper dielectric… | ||
| Scan071 | Production test procedure for a paper dielectric condenser for Goshawk battery ignition. | ||
| View original record | X4430 25.8.22. X.3604cr. PRODUCTION TEST OF PAPER DIELECTRIC CONDENSER FOR GOSHAWK BATTERY IGNITION. X.4430. (1) It is assumed that each condenser, after production and before encasing, will be stored… | ||
| Scan072 | Testing procedures and specifications for a condenser, including charge holding, capacity, and sparking tests. | ||
| View original record | X4430 -2- Contd. (7) The capability of holding a static charge should again be verified. (8) The condenser should again be tested for final capacity, when the milli-amperes taken at 200 volts 50.7 for… | ||
| Scan073 | Tests and proposed modifications for the Goshawk ignition system's condenser connections. | ||
| View original record | X4430 To Ry. from EFC. c. EP. c. Mr. Brock. EFC1/T25.10.22. X.3485 - GOSHAWK IGNITION TESTS Tests of the Goshawk ignition on some of the first 20 production chassis appeared at one time to indicate… | ||
| Scan074 | Page detailing modifications to condensers for four Goshawk demonstration cars. | ||
| View original record | Contd. -2- Dabs of solder could then be applied to these two holes to effect the positive connection between the case and each strip. (3) Further it is considered that a packing piece in addition to… | ||
| Scan075 | Modifications to the 'GOSHAWK II' Condenser and their unsuitability for production. | ||
| View original record | X. 4430 To: Mr Speak. [strikethrough] BY/Dsl/GMK 27./10./22 c. EFC. "GOSHAWK II" CONDENSER. [STAMP: HS OCT 28 1922 RECEIVED] Regarding the Condenser you handed to us yesterday, embodying several… | ||
| Scan076 | The acceptable foil thickness for the Goshawk condenser. | ||
| View original record | X. 4430. To By/C. from EFC. EFC2/T2.3.23. X.4430 - GOSHAWK CONDENSER In answer to your note with reference to the attached letter, electrically the reduced thickness of the foil is of no consequence.… | ||
| Scan077 | The failure of a Goshawk ignition condenser, referencing a previously ignored design recommendation. | ||
| View original record | Y4430 EFC2/T15.5.23. To Hy. from EFC. c. to EP. c. to Wor/Mr. Brock. X.4430 - GOSHAWK IGNITION CONDENSER. Please find attached copy of my assistant's report on examination and test of a condenser… | ||
| Scan078 | Condenser failures, attributing them to production issues and proposing solutions including an update to the production test specification. | ||
| View original record | To By. Contd. -2- EFC2/T15.5.23. of partial failures, i.e. burning of the points, are occurring due to a similar cause. At any rate the matter is not wholly a question of design, because it is quite… | ||
| Scan079 | Investigation into a faulty condenser, number 320. | ||
| View original record | COPY May 14th. 1923. EFC. PB.92. INVESTIGATION OF FAULTY CONDENSER No.320. This condenser was sent to us by the Test Dept. 26.4.23, with a statement to the effect that it appeared to function alright,… | ||
| Scan080 | Page two of an inspection report on a faulty condenser, detailing observed defects and suggesting new production tests. | ||
| View original record | -2- Contd. On inspection of the inside, black marks were found at the top of the aluminium foil strip, which connects the earthed side of the condenser to the case, and a hole further down with… | ||
| Scan081 | Test report for condenser No. 2, detailing leakage and capacity checks. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X. 4430. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. May 16th 1923 Order No P.B. 93 Customer's No. X 4430 Test of Condenser N°2. The above condenser off… | ||
| Scan082 | Trouble with the Goshawk ignition condensor, specifically points burning and pitting. | ||
| View original record | X. 4430 . BY. c. to EFC. EP4/H23.5.23. re. GOSHAWK IGNITION CONDENSOR. With reference to Mr. Clarke's memo EFC2/T15.5.23, we are having quite an amount of trouble with points burning and pitting. When… | ||
| Scan083 | Design improvement and testing of Goshawk condensers. | ||
| View original record | X.4430. EFC. C. Mr Brock. [Strikethrough] C. Mr H.P. [Strikethrough] BY2-P2b.5.23. GOSHAWK CONDENSERS. We are trying to improve the contacts on these parts by having a piece of pres-pan on each side… | ||
| Scan084 | Test report for Condenser No. 494 with improved connections. | ||
| View original record | X.4430. 26.5.23. EFC. Herewith 1 Condenser. By. wishes you to give this one a test. We have improved the contacts on the case and think this will now be O.K. Will you kindly let me know the result of… | ||
| Scan085 | Design issues and failures of the Goshawk ignition condenser connections due to high-frequency currents. | ||
| View original record | To R. from EFC. c. CJ. BY. E. X4430 EFC2/T28.5.23. X.4430 - RE GOSHAWK CONDENSER. The present design of Goshawk ignition condenser connections requires great care in manufacture to ensure that these… | ||
| Scan086 | Improving the design of a condenser's metallic connection using presspan. | ||
| View original record | EFC2/T28.5.23. -2- Contd. Could we not have a design which would give more certain metallic connection ? In the meanwhile we are hoping to improve the contacts on these parts by having a piece of… | ||
| Scan087 | Test report on the effect of temperature on a Goshawk rolled paper condenser. | ||
| View original record | R.R. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X. 4430. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: AB.71. Customer's No.: 1 Effect of Temperature on Goshawk Rolled Paper Condenser. About a… | ||
| Scan088 | Instruction sheet detailing the checking of readings for rising and falling temperature curves. | ||
| View original record | RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No Customer's No. Z. by the retention of charge. The readings were checked whilst the temperature was… | ||
| Scan089 | Proposing a test for electrical contacts in high-frequency circuits, such as ignition and radio systems. | ||
| View original record | X4430 To R & E. from EFC. c. CJ. & PN. c. BY. EP. HM. WOR. EFC2/T11.6.23. X.4054 - RE ELECTRICAL CONTACTS. X.4430. Electrical contacts through which have to pass high frequency currents such as exist… | ||
| Scan090 | Noise caused by poor or sliding contacts in electrical circuits and ignition condensers. | ||
| View original record | Contd. -2- EFC2/T11.6.23. contact in the circuit will cause more or less noise when disturbed in any way (without the connection actually being broken) according to its degree of goodness. A poor… | ||
| Scan091 | Calling for a meeting to resolve differing opinions on the value of different types of condensers for 40/50 & 20HP models. | ||
| View original record | X4430 BY2-P12.6.23. X.4430. X.2512. X4423 40/50 & 20HP CONDENSERS. There seems to be distinct differences of opinion in regard to the value, or otherwise, of the different types of Condensers, which… | ||
| Scan092 | Instructions detailing the inventory and status of Goshawk and plate type paper condensers. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X4430 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: PB99. Customer's No. X4430 Date: June 12th 1923 Paper Condensers. We have at present, seven… | ||
| Scan093 | Instruction sheet detailing test results for graded condensers. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To _________________________ 19__ Order No. PB.99 (2) Customer's No. ___________ Details of these condensers are as… | ||
| Scan094 | Instruction sheet detailing test results and modifications for various condensers. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No PB 97 (3) Customer's No. 19 N° | Particulars --- | --- 32. | Rec'd from Mr Archer as faulty 10-10-22.… | ||
| Scan095 | Log sheet tracking numerical data and temperatures for various components on specific dates. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To _____________ Order No. P.B. 99 (4) Customer's No. _____________ 19__ 40/50 | Date | 27 | 29 | 30 | 31 | 32 | 40 |… | ||
| Scan096 | Test report on the capacity of standard and production condensers, noting one is outside limits. | ||
| View original record | X4430 To Wor/Mr. Brock. EFC3/T13.6.23. RE PRODUCTION & STANDARD CONDENSERS HANDED TO US FOR TEST. We find the exact capacity of your standard condenser at 18°C, to be .243 mf., with a possible error… | ||
| Scan097 | Condenser faults and proposed solutions for 40/50 & 20HP chassis. | ||
| View original record | X. 4430 Hs. EPO. [crossed out] EP. Hm. BY14-P14.6.23. CONDENSERS. 40/50 & 20HP CHASSIS. V26)2 x4423 [crossed out] x4430 I wish to confirm that the position agreed to by the above people in discussing… | ||
| Scan098 | Continued document discussing instructions for depots and examining early condensers on the first 50 cars. | ||
| View original record | BY14-P14.6.23. contd. - 2 - instructions and having same sent to Depots, and in addition possibly we will consider changing the first 50 cars, with the object of examining the early Conden- sers to… | ||
| Scan099 | Outlining improvements to the condensers for the 20.HP model. | ||
| View original record | X4430 TO EFC. HS. EP. BY. GT. } FROM R. R7/M19.6.23. X4430 CONDENSERS. The contacts of these as at present made for the 20.HP. are not good enough. The sketch enclosed shews how they can be… | ||
| Scan100 | Addition of a capacity check at temperature to the production test for the 20 HP paper condenser. | ||
| View original record | X4430 To BY. from EFC. c. Mr. Brock. c. EP. EFC2/T13.7.23. X.3604cr - PRODUCTION TEST OF 20 H.P. PAPER CONDENSER FOR BATTERY IGNITION. X4430 Would you kindly note that resulting from experimental work… | ||
| Scan101 | Instructions for checking condenser capacity and its ability to hold a static charge at 50°C. | ||
| View original record | "(10) The capacity of the condenser should now be checked at a temperature of 50°C, and should fall within the limits .45 to .575 mf. It should also be ascertained that at this temperature the… | ||
| Scan102 | Capacity-temperature tests of 20 HP Goshawk ignition paper condensers. | ||
| View original record | To R & E. from EFC. c. CJ. &PN. c. Ry. Da. c. EP. c. Mr. Brock. X.4430 - CAPACITY-TEMPERATURE TESTS OF 20 H.P. PAPER CONDENSERS. Please find attached copy of my assistant's report on a number of… | ||
| Scan103 | Page explaining the interpretation of test curves for condensers, detailing the effects of temperature on capacity and leakage. | ||
| View original record | Contd. -2- EFC1/T13.7.23. or otherwise to make it clear, that the portions of the curves corresponding to the higher temperatures represent the combined effect of capacity and leakage. If the leakage… | ||
| Scan104 | Temperature and capacity tests on condensers, comparing results against production specifications and proposing new limits. | ||
| View original record | Contd. -3- EFCL/T13.7. 23. (a) Temp. was raised gradually to 80°C (full line curve). (b) Temp. fell to normal overnight. (c) Condensers were again taken up to 80°C (each one starting with a higher… | ||
| Scan105 | Temperature test of six paper condensers to ascertain their behaviour at various temperatures up to 80°C. | ||
| View original record | COPY EFC. PB.104. July 7th. 1923. TEMPERATURE TEST OF PAPER CONDENSERS. Six paper condensers, five R.R., and one U.S.A. Bosch have been subjected to a heat test with a view to ascertaining their… | ||
| Scan106 | Report analysing condenser capacity and leakage points in relation to temperature and repeated heating cycles. | ||
| View original record | -2- Contd. No.4 42.1% No.5. 42.9% No.6. 38.6% Next it will be seen that the leakage point on the first curves is at about 53ºC but that on the final curves it is at about 34ºC. Also that the… | ||
| Scan107 | Graph showing the variation of capacity with temperature for different types of paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS GROUP A CAPACITY (MICRO-FARADS) TEMPERATURE (°C) N°1. EXPL CONDENSER WITH IMPROVED CONNECTIONS N° 494 N°2. STD CONDENSER N° 524 N°3. U.S.A… | ||
| Scan108 | Graph showing the variation of capacity with temperature for Goshawk paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF GOSHAWK PAPER CONDENSERS GROUP B B.1. CAPACITY (MFDs) TEMPERATURE (°C) Nº4. EXPL CONDENSER Nº613 BAKED AT HIGHER TEMPERATURE Nº5 CONDENSER Nº32. BELOW STD IN… | ||
| Scan109 | Graph showing the variation of capacity with temperature for Goshawk paper condensers (Group B). | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF GOSHAWK PAPER CONDENSERS GROUP B B.2 CAPACITY (MFDS) TEMPERATURE (°C) N°4 N°6 N°5 N°4. CONDENSER N° 613 N°5. " " 32 N°6. " " 5+7 --- TEMP. RISING -- -- -- " "… | ||
| Scan110 | The capacity-temperature tests of six paper condensers. | ||
| View original record | X.4430 18.7.23. X.4430 - CAPACITY-TEMPERATURE TESTS OF PAPER CONDENSERS. Of the six condensers experimentally reported in our EFC1/T13.7.23:- 1. No.494 has been put on H-G.II. 2. Std. condenser No.524… | ||
| Scan111 | Extract discussing a faulty condenser connection in the Goshawk electrical system. | ||
| View original record | X4430 Extract from EP7/H19.7.23. Re X.4338 - GOSHAWK ELECTRICAL SYSTEM. X.4054. X.4430. FAULTY CONDENSER CONNECTION. The faulty earth connection has now been improved upon by making sure that the… | ||
| Scan112 | Modifications to the Goshawk 11 battery ignition condenser to improve contact. | ||
| View original record | X4430 TO BY. FROM E. c. to CJ. c. to GPG. c. to HS. c. to MP. GOSHAWK 11. - BATTERY IGNITION CONDENSER WITH IMPROVED CONTACT. We send you herewith drawing No. LeC. 1745., shewing the above. The object… | ||
| Scan113 | Receipt of two experimental Goshawk condensers treated with Stickoline varnish. | ||
| View original record | x4430 EFC6/T14.8.23. X. 4430. Goshawk Condensers. We have to-day received from Mr. Gamble two experimental Goshawk condensers Nos. 741 and 774 made up with Stickoline varnish, the object being to… | ||
| Scan114 | Test results for the melting point of coil and condenser sentinels. | ||
| View original record | X4430 EFC. 16.8.23. X.4079 X.4430. RE MELTING POINT OF SENTINELS. The results of the melting points of the 73°C coil and condenser sentinels are 73°C. One sentinel was taken for test in each case. GJ. | ||
| Scan115 | Blueprint details and assembly instructions for the Goshawk Condenser. | ||
| View original record | X4430 To - RHC C. EFC. BY/Ds3/ML.21.8.23. X.4430 - GOSHAWK CONDENSER. In accordance with LeC.1745, we send you herewith one blueprint of the following details:- D.51065 - Condenser Case. D.51066 - " "… | ||
| Scan116 | Change in the production test temperature for Goshawk paper condensers due to leakage issues. | ||
| View original record | X4430 To HY. From EFC. c. Mr. Brock. c. ED. EFC2/T24.8.23. X.3604cr - PRODUCTION TEST OF GOSHAWK PAPER CONDENSER FOR BATTERY IGNITION. X.4430. Further to our EFC2/T13.7.23, it has now been… | ||
| Scan117 | Instructions for checking the capacity and charge retention of a condenser. | ||
| View original record | (10) The capacity of the condenser should be checked at a temperature of 45°C, and should fall within the limits .41 to .52 mf. It should also be ascertained that at this temperature, the condenser is… | ||
| Scan118 | Production test procedure for a paper dielectric condenser for Goshawk battery ignition. | ||
| View original record | X4430 25.8.28. ∅ X.604cr. - PRODUCTION TEST OF PAPER DIELECTRIC CONDENSER FOR GOSHAWK BATTERY IGNITION. X.4430. (1) It is assumed that each condenser, after production and before encasing, will be… | ||
| Scan119 | Test procedures and specifications for a condenser, detailing capacity, voltage, and temperature limits. | ||
| View original record | -2- Contd. (7) The capability of holding a static charge should be again be verified. (8) The condenser should again be tested for final capacity. when the milli-amperes taken at 200 volts 50.7~ for a… | ||
| Scan120 | Test report on the heat resistance of insulation on a Goshawk condenser lid. | ||
| View original record | RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. X.4430 To: E F C Date: Aug. 29th 1923 Order No: PB 112 Customer's No: X 4430 X.4430 Insulation on Goshawk Condenser… | ||
| Scan121 | The modification of Goshawk condenser sentinel supports with fusible metal. | ||
| View original record | X4430 To H1. from EFC. EFC4/T30.8.23. X.4430 - GOSHAWK CONDENSER. Herewith half a dozen condenser sentinel supports. Will you kindly have 65° globules of fusible metal put on each cross arm, opposite… | ||
| Scan122 | Riveting and temperature testing of a Goshawk condenser's top connection. | ||
| View original record | X 4430 EY. from EFC. Sft. for Mr. Brock. EFC2/T30.8.23. X.4430 RE GOSHAWK CONDENSER - TOP CONNECTION THROUGH LID. We are sending you herewith the top connection which was riveted up in my presence in… | ||
| Scan123 | Instruction to change 73° condenser sentinels for 65° ones on various GII units. | ||
| View original record | X.4430. To S.Pollard. from EFC. EFC5/T31.8.23. Please change 73° for 65° condenser sentinels, when possible, on 3GII, 4GII, 5GII, 6GII, and put one on 7GII. 5 sentinels herewith. Please inform me of… | ||
| Scan124 | The temperatures of dynamo, ignition coil, and condenser units using fusible sentinels. | ||
| View original record | X4430 To R & E. from EFC. c. c. W.J. & FH. c. EY. c. EF. EFC1/T4.9.23. 14079 X4383 X4430 TEMPERATURES OF DYNAMO, IGNITION COIL AND CONDENSER FOUND BY MEANS OF TEMPERATURE INDICATING SENTINELS. We have… | ||
| Scan125 | Instruction sheet detailing the melting point test result of a condenser sentinel. | ||
| View original record | RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049 X. 4430. 108556 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To C. F. C. 7 - 9 - 1923. Order No. Customer's No. J.B.71. Re Re melting point Sentinel The result of the… | ||
| Scan126 | Melted condenser sentinels for the Goshawk engine. | ||
| View original record | X. 4430 EFC3/T22.9.23. X. 4430 - GOSHAWK CONDENSER SENTINELS. The only condenser sentinels which have melted have been one 65ºC on 7GII and 73º on 4GII. E.F.C. EFC. | ||
| Scan127 | List of standard temperatures for sentinels, detailing orders for condensers, coils, and dynamos. | ||
| View original record | r4430 3.10.23. STANDARD TEMPERATURES FOR SENTINELS. 65° C 69° C 73° C 6 ordered for condensers. 77° C 82° C 6 ordered for coils. 87 ° C. 6 ordered for dynamos. | ||
| Scan128 | Experiments on condensers, specifically regarding temperature cycles and capacity changes. | ||
| View original record | X4430 To BY. from EFC. c. Mr. Brock. EFC10/T4.10.23. X.4430 - CONDENSERS. With reference to your By20-P4.10.23, curiously enough this was received just at the moment when the results of experiments of… | ||
| Scan129 | Proposed improvement in paper condenser manufacturing to eliminate capacity variations and a suggestion for testing. | ||
| View original record | X. 4430 EFC. c. Mr. Brock. EY20/P4.10.23. Sometime ago Mr. Brock informed me when discussing the question of variations in capacity of paper condensers, that he had been able, by building up a… | ||
| Scan130 | Goshawk condensers with improved connections for a 10,000-mile test on a 6GII. | ||
| View original record | X4430 To RHC. from EFC. EFC9/T11.10.23. X.4430 - GOSHAWK CONDENSER. We would like, if possible, to have through in time for the 10,000 mile test on 6GII, condensers with improved connections, in… | ||
| Scan131 | Sealing of Goshawk condenser lids to prevent moisture ingress. | ||
| View original record | X4430 To BY. from EFC. c. By/Ds. c. Mr. Brock. EFC1/T17.10.23. X.4430 - CONDENSER WITH IMPROVED CONNECTIONS. Should not the lids of the Goshawk condensers be sealed up all round in the same way as the… | ||
| Scan132 | Requesting the fitting of a condenser with improved connections after successful testing. | ||
| View original record | X4430 To RHC. from EFC. c. Hs/TWW. EFC5/T18.10.23. X.4430 - CONDENSER WITH IMPROVED CONNECTIONS TO LEC.1745 and D.51077. Will you kindly have the first of these condensers, which has completed its… | ||
| Scan133 | Testing and potential standardization of new condensers due to heat variation issues. | ||
| View original record | EFC c. D. Dept. c. Mr Brock. X 4430. MADE AT CROXLEY BY10-P23.10.23. X.4430 CONDENSERS. Mr Brock points out that until we can overcome the variations in the condensers due to heat etc., we cannot seal… | ||
| Scan134 | Preliminary report on the testing and variation of special varnished condensers. | ||
| View original record | X.4430 To RM. from EFC. c. BY/DS. (struck through) c. Mr. Brock. (struck through) EFC4/T23.10.23. X.4430 - CONDENSERS. Answering your By10/P3.10.23, we are preparing a report on the whole question of… | ||
| Scan135 | Return of parts from a Goshawk condenser that broke down on a 4-GII. | ||
| View original record | X4430 To BY. from EFC. c. Mr. Brock. EFC1/T25.10.23. X.4430 - RE GOSHAWK CONDENSER. We herewith return to you parts of the condenser, which broke down recently on 4-GII. Perhaps you would kindly pass… | ||
| Scan136 | Capacity-temperature tests of 20 HP battery ignition condensers. | ||
| View original record | X4430 To R & E. from EFC. c. CJ. & PN. c. BY. EP. WOR. c. DA. EFC3/T29.10.23. X.4430 - CAPACITY-TEMPERATURE TESTS OF 20 H.P. BATTERY IGNITION CONDENSERS. Further to our EFC1/T13.7.23, we have now… | ||
| Scan137 | Condenser performance tests, analyzing apparent capacity and leakage at different temperatures. | ||
| View original record | Contd. -2- EFC3/T29.10.23. long as leakage is absent, but only apparent capacities at points on the curves above the points marked L, i.e. roughly speaking above temperatures of about 45ºC. Above this… | ||
| Scan138 | Temperature-based testing sequences and observations on various condensers. | ||
| View original record | Contd. -3- EFC3/T29.10.23. (d) & (e) The temp. was again raised to 55°C, whilst a few observations were taken, and then continued up to 70°, after which it was allowed to fall to 45°C, observations… | ||
| Scan139 | Results of temperature tests on various condensers. | ||
| View original record | Contd. -4- ( EFC3/T29.10.23.) The following remarks with reference to the particular condensers specially tested may be made. Condenser No.31. Previous to undergoing the temperature test the capacity… | ||
| Scan140 | The performance and temperature effects on various types of condensers. | ||
| View original record | Contd. -5- EFC3/T29.10.23. to the same degree. The condenser is previous standard, but below production limits in initial capacity. Liberty Condenser. The results of the Liberty condenser are… | ||
| Scan141 | Analysis of condenser capacity behavior under varying temperature cycles and atmospheric ranges. | ||
| View original record | Contd. -6- EFC3/T29.10.23. but to be quite a lot raised if the condenser is taken through a cycle of temperature, taking it up to 70°C, or so, after which cycle there is a tendency for the curve for… | ||
| Scan142 | The effects of temperature cycles on condenser capacity and performance. | ||
| View original record | Contd. -7- EFC3/T29.10.23. is instanced by condenser No.32. On the cycles of temperature experienced on the chassis, the tendency will be for the average capacity of such a condenser at 180C to be… | ||
| Scan143 | Report comparing condenser performance, leakage, and production difficulties between Bosch, Liberty, and Delco Packard models. | ||
| View original record | Contd. -8- EFC3/T29.10.23. those for which the temperature is increasing. Then again it must be borne in mind that at the higher temperatures a fair proportion of the current is leakage, though this… | ||
| Scan144 | Graph showing the variation of capacity with temperature for paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS C Nº31 STANDARD CONDENSER PREVIOUS TO IMPROVEMENTS IN CONNECTIONS. Nº32 " " " " " " " AND TESTED FOR THE SECOND TIME. Nº32 Nº31 Y-AXIS:… | ||
| Scan145 | Graph showing the variation of capacity with temperature for paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS D N°741 MADE UP WITH VARNISH BETWEEN LAYERS OF PAPER, OTHERWISE STANDARD. LIBERTY CONDENSER TAKEN FROM LIBERTY IGNITION SET. FIRST TEST.… | ||
| Scan146 | Graph showing the variation of capacity with temperature for paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS E. No 774 MADE UP WITH VARNISH BETWEEN LAYERS OF PAPER, OTHERWISE STANDARD. LIBERTY CONDENSER TAKEN FROM LIBERTY IGNITION SHOP-SOILED. No 774… | ||
| Scan147 | Graph plotting the variation of capacity against temperature for paper and mica condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS E Nº 30 Nº 30 STANDARD CONDENSER PREVIOUS TO IMPROVEMENTS IN CONNECTIONS MICA 40/50 MICA CONDENSER CAPACITY (MfDS) 2.0 1.8 1.6 1.4 1.2 1.0 .8… | ||
| Scan148 | Examination of a Liberty paper condenser and its comparison with a standard R.R. condenser. | ||
| View original record | X4430 To EX. from EFC. c. By/Ds. c. Mr. Brock. EFC11/T8.11.23. X. 4430 - PAPER CONDENSER We send you herewith portion of a Liberty condenser as referred to in our report EFC3/T29.10.23, this being one… | ||
| Scan149 | Requesting the construction and testing of two condensers based on blueprint D.51206. | ||
| View original record | X.4430. To RHC. C. EFC. BY/RM/ML.20.11.23. X.4430 - CONDENSER. We send you herewith 1 Blueprint of D.51206 - Condenser. Will you please put two Condensers in hand, the only difference from standard… | ||
| Scan150 | Construction and sealing methods of Liberty Condensers. | ||
| View original record | X 4430 To EFC. BY/RD4/ML 20.11.23. X.4430 - CONDENSER. Referring to your EFC11/T8.11.23., on Liberty Condensers, we send you herewith two Condensers obtained from Mr Brock. These were made at the same… | ||
| Scan151 | Requesting several condensers be obtained, prepared, and encased for comparative temperature variation tests. | ||
| View original record | To RHC. from EFC. X.4430. EFC2/T21.11.23. X.4430 - CONDENSER. With reference to EY/RD1/ML20.11.23 and EY/RD4/M120.11.23, copies attached, would you kindly arrange to obtain from Mr. Brock a present… | ||
| Scan152 | Capacity temperature tests of Goshawk condensers. | ||
| View original record | R.R. 400A (40 H) (SL 42 12-7-23). J.H.,D. X4430 Expt. No. 4430. REF: EFC2/T4.12.23. EXPERIMENTAL REPORT. To R & E. from EFC. c. CJ. & PN. c. RY. EP. DA. X.4430 - CAPACITY TEMPERATURE TESTS OF GOSHAWK… | ||
| Scan153 | The freezing tests of Goshawk paper condensers. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. COPY. Expl. No. 4430 REF: PC.4. EXPERIMENTAL REPORT. attached to EFC2/T4.12.23. Nov. 28th 1923. FREEZING TESTS OF GOSHAWK PAPER CONDENSERS. The object of… | ||
| Scan154 | The results of heating and freezing tests on various condensers. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. 4430 REF: F.C.4. Contd. signs of rising. The ratios of the capacity observed at the end, i.e. 16°C, to that observed at the… | ||
| Scan155 | Page 3 of a report concluding that low temperatures did not restore condenser capacities to their original values. | ||
| View original record | -3- Contd. With the exception of No.32, there do not appear to be any definite signs of the low temperatures having had a tendency to bring the capacities of the condensers back to their original… | ||
| Scan156 | The melting temperatures of sentinels on various vehicle components and chassis. | ||
| View original record | X4430 5.12.23. X.4430 X.4596. X.4383. TEMPERATURE SENTINELS. A 73° condenser sentinel has melted once on 4GII. 82°C coil sentinels have melted, once on 3GII, 4GII and 6GII, and twice on 7GII, and have… | ||
| Scan157 | Unsuccessful search for suitable waxed paper for a 20 HP chassis condenser. | ||
| View original record | V4430 To EFC. BY/RD2/1L6.12.23. X. 4430. RE WAXED PAPER FOR CONDENSER. You may be interested to know that we have been unsuccessful in our efforts to obtain the waxed paper suitable for 20 H.P.… | ||
| Scan158 | Requesting the creation of three experimental Goshawk ignition condensers using waxed paper dielectric for testing. | ||
| View original record | Y4430 To RHC. from EFC. c. BY/RD. EFC1/T20.12.23. X.4430. GOSHAWK IGNITION CONDENSERS WITH WAXED PAPER DIELECTRIC. With a view to obtaining ignition condensers which are more constant in their… | ||
| Scan159 | Notification regarding a blueprint for a modified condenser earthing arrangement. | ||
| View original record | X4430 C. EFC. BY/RD/AL.21.12.23. X.4430 - CONDENSER. Please receive herewith 1 Blueprint of - D.51223 - Earth Connecting Strip. D.51224 - Modified Condenser Earthing. This represents a positive… | ||
| Scan160 | Modifications to condensers No. 1c and 494, and their testing status. | ||
| View original record | FFC. X4430 7.1.24. X.4430 - CONDENSERS. The 88° sentinel fitted to the coil on 7GII has melted. With reference to the two condensers Nos. 1c and 494 fitted to 6GII and 7GII respectively, and the… | ||
| Scan161 | Instructing the replacement of a Goshawk condenser on car 7-GII and the return of the old unit for a capacity test. | ||
| View original record | XU4430 To RHC. from EFC. c. HS/TMW. EFC2/T11.1.24. X.4430 - GOSHAWK CONDENSERS. We are handing to you herewith condenser No. 547. Will you kindly instruct for this condenser to be fitted on 7-GII in… | ||
| Scan162 | Cancellation of instructions for the Goshawk condenser with waxed paper dielectric due to manufacturing difficulties. | ||
| View original record | To FHC. from EFC. c. By/RD. X4430 EFC1/T11.1.24. X.4430- GOSHAWK CONDENSER WITH WAXED PAPER DIELECTRIC. We hereby confirm that the instructions contained in our EFC1/T20.12.23, are now cancelled,… | ||
| Scan163 | Instruction sheet regarding the testing and return of Goshawk Condenser No. 494. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Order No. P.C. 14 Customer's No. X 4430 Goshawk Condenser No 494. Attached is the second sheet of this condenser which briefly gives the history of it. It will… | ||
| Scan164 | Exchange of Goshawk ignition condensers following a 10,000-mile examination. | ||
| View original record | To RHC. from EFC. c. Hs/TMW. X4430 EFC1/T15..1.24. X.4430 - GOSHAWK IGNITION CONDENSERS. Herewith we return to you condenser No.494 which you recently took off 7-GII for our examination, after running… | ||
| Scan165 | Electrical experimental record sheet for the Goshawk Paper Condenser No 494, detailing tests and mileage. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEET Goshawk Paper Condenser No 494 X. No. 4430 | Date on. | Location. | Date Off. | Remarks. | Miles reading start. | Miles reading finish. | Miles covered. | Total… | ||
| Scan166 | The variation in capacity of Goshawk condensers in the laboratory. | ||
| View original record | RR 23a (150 BKS.) (BH57.29-6-20.) MP 224398 X.4430. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Order No. P.C.16 Customer's No. X 4430 Date Jan 16th 1924 Variation of Capacity of Goshawk Condensers in… | ||
| Scan167 | Instruction sheet detailing the results of condenser testing, including freezing tests. | ||
| View original record | RR 228 (150 BKS.) (BH57.29-6-20.) MP 224398 ROLLS-ROYCE LTD. INSTRUCTIONS. 19 To Order No. PC 16 (2) Customer's No. It might be worth noting that the three condensers which have almost returned to… | ||
| Scan168 | Summary of observations regarding the capacity of condensers when subjected to temperature changes. | ||
| View original record | RR 228 (150 BKS.) (BH57.29-8-20.) MP 22435B ROLLS-ROYCE LTD. INSTRUCTIONS. 19 To Order No. PC 16 (2) Customer's No. Summing up, then, we have as follows:- 1 All condensers, when heated, acquired an… | ||
| Scan169 | Sourcing of US paper for producing experimental Goshawk ignition condensers. | ||
| View original record | V/1450 To RHC. from EFC. c. By/RD. EFC6/T30.1.24. X.4430 - GOSHAWK IGNITION CONDENSER WITH UNTREATED PAPER DIELECTRIC. We have now been able to obtain some better quality paper (from the States) than… | ||
| Scan170 | Electrical experimental record sheet for the Goshawk Paper Condenser No 613. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Goshawk Paper Condenser No 613 X. No. 4430 Date on. | Location. | Date off. | Remarks. | Miles Reading start. | Miles Reading finish. | Miles cover-ed. | Total… | ||
| Scan171 | Electrical experimental record sheet for Goshawk Paper Condenser No 741. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Goshawk Paper Condenser No 741 X. No. 4430 Date on. | Location. | Date off. | Remarks. | Miles Reading Start. | Miles Reading Finish. | Miles Cover-ed. | Total… | ||
| Scan172 | Electrical experimental record sheet for Goshawk Paper Condenser No. 774. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEET. Goshawk Paper Condenser No 774 X. No. 4430 Date on. | Location. | Date Off. | Remarks. | Miles reading start. | Miles reading finish. | Miles Covered. | Total… | ||
| Scan173 | Requesting the construction of three Goshawk condensers using different paraffin waxes for testing purposes. | ||
| View original record | To RHC. from EFC. X4430 EFC1/T20.3.24. X.4430. GOSHAWK CONDENSERS. We are handing you herewith three packets of paraffin wax of different melting temperatures, as labelled. Would you kindly have made… | ||
| Scan174 | Instructions detailing temperature tests on four different configurations of taper condensers. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224350 X.4430. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Mar. 22nd 1924 Order No. P.C. 41 Customer's No. X.4430 Temperature Tests on Taper Condensers. Further… | ||
| Scan175 | Instruction sheet comparing condenser leakage with different varnishes and noting the effects of modified connections. | ||
| View original record | Order No.: P.C. 40 (2) the condensers with varnish. Leakage takes place at about the same point, and the curve rises in the same way as with standard condensers. In respect of leakage, it is… | ||
| Scan176 | The construction materials of five different Goshawk condensers received for temperature testing. | ||
| View original record | X.4430 To EFC2/T24.4.24. X.4430 - GOSHAWK CONDENSERS. We have received from the shop the following condensers for temperature tests No.1576 made up with paraffin waxed white paper. Melting point of… | ||
| Scan177 | Goshawk condenser failing due to an internal short-circuit caused by the earthing connection. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.B. Order No. WA 45 Customer's No. X4430 X.4430 Goshawk Condenser (NO. 03.) with improved earthing connection. This condenser when placed on the ignition… | ||
| Scan178 | Instructions diagnosing a condenser fault caused by the earthing strip being too short or too rigid. | ||
| View original record | RR 238 (150 BKS) (SH57.29-6-20.) MP 324355 ROLLS-ROYCE LTD. INSTRUCTIONS. 19 To Order No. Customer's No. ing strip, when it was observed that the condenser immediately began to function O.K. If the… | ||
| Scan179 | List of modifications from the original standard for the 20 HP chassis condenser. | ||
| View original record | X.4430 EFC/T15.7.24. X.4430. 20 HP. CHASSIS CONDENSER. VARIOUS MODIFICATIONS FROM THE ORIGINAL STANDARD. (1) Extra millboard packing, represented by condenser No.494. This is of no further interest in… | ||
| Scan180 | Test results and potential standardization of a Goshawk condenser. | ||
| View original record | X 4430 To BY/C. from EFC. EFC2/T15.7.24. X.4430 - GOSHAWK CONDENSER. With further reference to BY/RD5/ML27.6.24 and further to our EFC6/T3.7.24, our remarks re condenser with new connections to… | ||
| Scan181 | Electrical experimental record sheet for a Goshawk Paper Condenser No 1C. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Goshawk Paper Condenser N° 1C X 4430. | Date on. | Location. | Date off. | REMARKS. | Miles Reading Start. | Miles Reading Finish. | Miles covered. | Total… | ||
| Scan182 | Instructions for a temperature test of paper condensers treated with paraffin wax. | ||
| View original record | RR 238 (100 BKS) (SH57. 29-6-20.) MP 224388 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E E C Order No. PC 74 Customer's No. X 4430 Temperature Test of Paper Condensers. Treated with Paraffin Wax. Seven paper… | ||
| Scan183 | Instruction sheet detailing tests on condensers using various paraffin wax impregnations. | ||
| View original record | RR 238 (100 BKS.) (BH57-29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. PC 74 (2) Customer's No. paraffin wax Nº 1609. Standard condenser, first impregnated with a mixture of… | ||
| Scan184 | The performance of condensers when treated with different types of wax and resin. | ||
| View original record | Order No. PC 744 (3) This is shown by the curves of the three condensers, Nos 1576, 1577, and 1600, treated with pure wax, which are quite consistent in this respect. This feature of the wax is again… | ||
| Scan185 | Instruction sheet detailing the performance comparison of different types of electrical condensers based on their material composition. | ||
| View original record | RR 298 (100 BKS.) (BH57.29-6-29.) MP 224350 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. PC 74 (4) Customer's No. in the first cycle, while N: 1335 behaved just like a standard varnished paper… | ||
| Scan186 | Experiments and standardisation for the 20 HP chassis. | ||
| View original record | EFC. X.4430a. BY/C4/H21.7.24. X.3915. 20 HP. CHASSIS EXPERIMENTS. X.4430a. With reference to EFC6/T3.7.24, we shall be glad if you will push forward the experimental work in regard to the positive… | ||
| Scan187 | Capacity and temperature tests for 20 HP battery ignition condensers. | ||
| View original record | X4430 To R. & E. from EFC. c. CJ. &PN. c. EY. EP. DA. EFCl/T16.8.24. X.4430. 20 HP. BATTERY IGNITION CONDENSERS. CAPACITY-TEMPERATURE-TESTS. Refs. of previous reports:- EFCl/T13.7.23, EFC3/T29.10.23… | ||
| Scan188 | Continuation of a test report detailing the construction and performance of different groups of condensers. | ||
| View original record | EFCL/T16.8.24. -2- Contd. Group 2. (See curves sheets I & J) 1312, 1335. Condensers made up with untreated paper (purported to be identical with that used by the U.S.A. Bosch Co.), and the whole… | ||
| Scan189 | Condenser tests, analyzing the effect of temperature on capacity using different dielectrics like varnish and paraffin wax. | ||
| View original record | Contd. -3- EFC1/T16.8.24. Examination of the curves will indicate that so far as these tests are concerned at any rate, the rise in capacity with temperature is due to the use of varnish as a… | ||
| Scan190 | Extract from a laboratory report on tests concerning the effects of paraffin wax on condensers. | ||
| View original record | Contd. -4- EFCl/T16.8.24. Extract from Mr. Pignatt's Laboratory Report on these Tests. "One main point elicited from the results of these tests is as follows. The paraffin wax has the opposite effect… | ||
| Scan191 | Graph showing the variation of capacity with temperature for two types of paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS G SE I.C.R SE STANDARD CONDENSER SEALED AT THE ENDS WITH ELO VARNISH I.C.R CONDENSER WITH CONDUCTING STRIPS WRAPPED IN THICKNESS OF CONDENSER… | ||
| Scan192 | Graph showing the variation of capacity with temperature for different types of paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS SS STANDARD CONDENSER SEALED AT THE ENDS WITH STICKILENE VARNISH. IC.1 CONDENSER WITH CONNECTING STRIPS WRAPPED IN TINFOIL OF CONDENSER TO… | ||
| Scan193 | Two graphs showing the variation of capacity with temperature for different types of paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS. I TOP GRAPH: CAPACITY (M FDS.) TEMPERATURE (°C) 1580 STANDARD CONDENSER BUT NOT BAKED. IMPREGNATED WITH COMMERCIAL PARAFFIN WAX. 1312… | ||
| Scan194 | Graph showing the variation of capacity with temperature for different types of paper condensers. | ||
| View original record | VARIATION OF CAPACITY WITH TEMPERATURE OF PAPER CONDENSERS J CAPACITY (M.Fds.) 1335 CONDENSER MADE UP WITH UNTREATED WHITE PAPER AND THE WHOLE IMPREGNATED WITH COMMERCIAL PARAFFIN WAX 1577 CONDENSER… | ||
| Scan195 | Features of four different 20 HP battery ignition condensers for testing. | ||
| View original record | To RHC. from EFC. [Handwritten] X4430 EFC2/T20.8.24. X.4430. 20 HP. BATTERY IGNITION CONDENSERS. Herewith we hand to you [Handwritten] four [three crossed out] condensers which we shall be glad if you… | ||
| Scan196 | The selection of eleven experimental condensers for further testing and fitting to cars. | ||
| View original record | EFC. X.4430. 20.8.24. X4430. EXPERIMENTAL CONDENSERS FOR FITTING TO CARS. --------------------------------------------- Of the eleven experimental condensers we now have in the laboratory, i.e. seven… | ||
| Scan197 | Standardisation of a 20 HP. Battery Ignition Condenser with improved connections. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 Y4430 COMPLETED 5.9.24. STANDARDISATION of CHASSIS PARTS. Date 20.8.24. Description of Parts. 20 HP. Battery Ignition Condenser with improved connections to… | ||
| Scan198 | Continued report detailing the results of a laboratory test on a component, including a distribution list. | ||
| View original record | STANDARDISATION of CHASSIS PARTS contd :- good condition. Subsequently it was again tested in our laboratory and the capacity was found to have varied but slightly, actually being very slightly below… | ||
| Scan199 | Ignition failures and an improved method for earthing the condenser. | ||
| View original record | X4430 HP. WGR. EFC. C. Mr. Sherton. C. Mr. Davis. BY2/H. 13. 11. 24. X4430 IGNITION FAILURES. X.4054 Referring to EP11/H. 5.11.24. we have already instructed an improved method for earthing the… | ||
| Scan200 | Instruction sheet detailing the examination and testing of condenser No. 1600 from chassis 98NK. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To E.Y.B. Order No. WA 103 Customer's No. X4430 Condenser No 1600 ex chassis 98NK This condenser is one of a number of condensers made up with untreated white paper… | ||
| Scan201 | Test results for capacity breakdown at different temperatures, which were found to be lower than specified limits. | ||
| View original record | RR 238 (100 BKS.) (SH57. 28-6-20.) MP 224395 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.Y.b. 19 Order No. WA 103 (2) Customer's No. Test on 400 volts for breakdown OK. Capacity at 18°C — .21 m.f. Capacity… | ||
| Scan202 | Fitting the latest battery ignition condensers, with some chassis excluded for experimentation. | ||
| View original record | To RHC. from EFC. c. Hs/GWEL. X4430 EFCl/T24.3.25. X.4430. BATTERY IGNITION CONDENSERS. On all chassis with the exception of 5-EX, 93-NK, and 7-GII, would you kindly arrange for the battery ignition… | ||
| Scan203 | List detailing various types of condensers in the laboratory with remarks on their construction and performance. | ||
| View original record | X. 4430 25.3.25. LIST OF R.R. CONDENSERS IN LAB. No. Remarks. IC. Standard condenser with improved connections to LeC.1745. I.C.1. 0.3. Standard condenser. S.E. Standard condenser, the ends being… | ||
| Scan204 | Instruction sheet detailing the results of a 10,000-mile test on a Goshawk paper condenser. | ||
| View original record | RR 238 (100 BKS) [BH57.29-6-20.] MP 224355 X.4430 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C Order No. WB 14 Customer's No. X4430 Date 14TH May 1925 Goshawk paper condenser NO IC1. with tinfoil… | ||
| Scan205 | Electrical experimental record sheet for a Goshawk Paper Condenser, I.C.1. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Goshawk Paper Condenser, I.C.1 X4430 Date on. | Location. | Date off. | Remarks. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles.… | ||
| Scan206 | Electrical experimental record sheet for a Goshawk Paper Condenser I.C.2. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. X4430 Goshawk Paper Condenser I.C.2 Date on. | Location. | Date off. | Remarks. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles.… | ||
| Scan207 | Electrical experimental record sheet for a Goshawk Paper Condenser, No. 1576. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Goshawk Paper Condenser. N.o 1576 X 4430. Date on. | Location. | Date off. | REMARKS. | Miles reading. start. | Miles reading. finish. | Miles covered. | Total… | ||
| Scan208 | Design and layout of an electrical starter switch for the 40/50 HP American Chassis. | ||
| View original record | To DA. from E. Copy to CJ. " " BN. " " EH. " " EFC. S.X. 4431 COPY E2/G24.12.19. RE ELECTRICAL STARTER SWITCH. X. 3757. 40/50 H.P. AMERICAN CHASSIS. X. 4431 We send you herewith drawing No. LeC.1174… | ||
| Scan209 | Delco starter switch from a Marmon car and a proposal for an alternative for the Goshawk 11. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Ba. c. to BY c. to EWT. for. R.R. Inc. X.805 X.4431 Hsl/LG15.9.21. 4431 DELCO STARTER SWITCH. X 3915 We are sending to Mr. Royce the Starter Switch off the… | ||
| Scan210 | The failure of a carbon copper type starter switch and recommendations for a more reliable alternative. | ||
| View original record | E. from Hs. X 4431 H82/LG4.10.21. X4431 X3757 CARBON COPPER TYPE STARTER SWITCH. The carbon copper starter switch which has failed when in use by us has been the one fitted to 5.EX Car which has a… | ||
| Scan211 | Confirming the return of a 4 EX speedometer drive and a Delco starter switch. | ||
| View original record | To HS. from E. X 4431 E4/G5/10/21. RE 4 EX SPEEDOMETER DRIVE AND DELCO STARTER SWITCH. Referring to the above, please note we have returned these to you by registered post to-day. E. | ||
| Scan212 | The 'Coshawk II' electrical equipment, discussing dynamo attempts and starter switch contact issues. | ||
| View original record | X.4431. To RFC } from R. Hs.. } c. to W. [text struck through] c. to Mor. [text struck through] R2/E13.10.21. X.4359 - RE "COSHAWK II" ELECTRICAL EQUIPMENT. X.4431 Regarding the lighting equipment, we… | ||
| Scan213 | Inter-office correspondence discussing the use of a proprietary switch versus a competitor's (Delco) switch. | ||
| View original record | X4431 INTER-OFFICE CORRESPONDENCE CC Mr. Balnap Mr. Nadin ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. Oy2 - G 211221 December 21, 1921 Dear Hives: (B) Re: Rolls-Royce Switch (Hs/IGS.12.21) With… | ||
| Scan214 | Reliability of simple starter switches versus relay switches for the Goshawk engine. | ||
| View original record | E. from Hs. X4431/ HS2/LG6.1.22.1 Y4431 STARTER SWITCH FOR GOSHAWK. Referring to Mr. Royce's memo. R2/M29.12.21. We have never had any trouble or have heard of any trouble with the simple form of… | ||
| Scan215 | Confirming the dispatch of a Delco Lighting and Ignition Switch. | ||
| View original record | R.R. 235a (100 T) (S. H. 708, 10-12-20) G. 1047 V4431 TO Hs. from Rs. Rs1/M3.3.22. As requested we have forwarded under separate registered cover, the Delco Lighting and Ignition Switch. Rs. Hs… | ||
| Scan216 | Quote from D.H. Bonnella & Son for starter switches with modified contact plates and copper contacts. | ||
| View original record | Y4431 CONTRACTORS TO ADMIRALTY, WAR OFFICE, AIR BOARD, POST OFFICE, ETC. AERONAUTICAL, ELECTRICAL & MECHANICAL ENGINEERS. TELEGRAMS: BONCINELLO, OX, LONDON. TELEPHONE Nos 1882. } MUSEUM. 504. D.H.… | ||
| Scan217 | Short letter regarding a self-starter switch and correspondence from Messrs D.H. Bonella & Son, Ltd. | ||
| View original record | X4431 S/W. B.Y. Sg23/BM/14.3.22. RE: SELF-STARTER SWITCH. Enclosed please find original letter from Messrs D.H. Bonella & Son, Ltd. re the above. We are sending under separate cover, the starter… | ||
| Scan218 | Quotation for a Starter Switch with copper contacts from D.H. Bonnella & Son, Ltd. | ||
| View original record | CONTRACTORS TO ADMIRALTY, WAR OFFICE, AIR BOARD, POST OFFICE, ETC. AERONAUTICAL, ELECTRICAL & MECHANICAL ENGINEERS. TELEGRAMS: BONCINELLO, OX.LONDON. TELEPHONE Nos { 1882. MUSEUM. 504. } D.H. BONNELLA… | ||
| Scan219 | Delivery note from D.H. Bonella & Son Ltd for one starter switch. | ||
| View original record | TELEGRAMS: "BONCINELLO, WESTDO, LONDON." TELEPHONES No. 1882 GERRARD. .. 9784 .. C/7622 D. H. BONNELLA & SON LTD. Manufacturers of Electrical & Motor Car Accessories, IVORY, BONE & WOOD TURNERS,… | ||
| Scan220 | Fitting Remy-battery ignition to airship engines and a proposal to use an improved sixth series engine instead. | ||
| View original record | Extract from EHL/G181216. RE AIRSHIP ENGINES X.2814 The Kingsnorth people are, on their own, fitting Remy-battery ignition to our series 1 engines, which they have fitted in the N S. airships. The… | ||
| Scan221 | Extract discussing the redesign of a water circulation pump and an evaluation of ignition systems for airship engines. | ||
| View original record | Re Airship Engines. Extract RHB / 1114 X.2854 Regarding the increased capacity of the pump necessary for the water circulation round the exhaust pipe, this has been redesigned by Mr. Elliott here so… | ||
| Scan222 | The failure of a Dixie magneto and its impact on the engine. | ||
| View original record | -4- H/E11117. Contd consecutive hours, and was really the means of finding the weakness in the Dixie magneto. It is understood that this magneto was failing long before it finally gave out, and the… | ||
| Scan223 | Request for a booklet on a twelve-cylinder Remy Battery Ignition system and clarification on a four-terminal switch. | ||
| View original record | 12th March 1917. The Remy Electrical Co., 7, Carlisle Street, Soho. London. W. X.2814. Dear Sirs, We are experimenting with the Remy Battery Ignition of the twelve cylinder type, with twin contact… | ||
| Scan224 | Letter from Walter H. Johnson of the Remy Electric Company, describing the Model No.192 ignition switch. | ||
| View original record | WALTER H. JOHNSON. SOLE REPRESENTATIVE FOR EUROPE REMY ELECTRIC COMPANY. JONSOMOTE, LONDON. 3644 & 3645 REGENT. A.B.C. CODE 5TH EDITION. S.D RECEIVED 14 MAR 1917 YOUR REF. EFC4/T12317. OUR REF.… | ||
| Scan225 | Letter from Remy Electric Company describing the operation of a reversing switch and its effect on ignition contact points. | ||
| View original record | CONTINUATION No. 1. Messrs Rolls-Royce, Ltd. The interior spring contacts make and break the circuit once every 90 degrees, and con-sequently this circuit will have been made and broken four times… | ||
| Scan226 | List of experiments fitted to an experimental airship engine. | ||
| View original record | X.2814. To EFC. from Mr. Coverley. EFC13/T15317. 15th March 1917. The following experiments have been fitted to Experimental Airship Engine :- X. 2141B - Phosphor bronze instead of mild steel union… | ||
| Scan227 | Request for a Remy ignition set for examination and discussion on fitting it to aeroplane engines. | ||
| View original record | To EH. from Oy. c. to By. X. 2814 Oy2/B12.6.17. X.2814 - RE REMY IGNITION Will you send us a complete set of Remy ignition (excluding accumulators) for Mr. Royce to examine. I believe that you can… | ||
| Scan228 | Use of 4-magneto versus 2-magneto ignition systems on the Eagle engine. | ||
| View original record | To EF. from E. Re 4 Magnetos on Eagle EG/B21.5.17. (1) We objected on the score of weight. (2) Only 2 magnetos were actually available for each engine I understood. (3) These engines are intended for… | ||
| Scan229 | Ignition systems and auxiliary drives for a seaplane engine. | ||
| View original record | Contd. 2. and the second part of series S with a 4 magneto drive, 2 ignition magnetos and Remy ignition. The seaplane would probably be carrying accumulators for a lighting circuit, and they would… | ||
| Scan230 | Proposal for adapting a 6-volt battery ignition for use with a 12-volt system using a non-inductive resistor and timing adjustments. | ||
| View original record | X-2814 R2/B10.7.17. X.2814. X.31991 X.562. X.3716. X.1819. X.2512 X.543. X.699. X.1846 X.3129. BATTERY IGNITION FOR CARS. &c. Where a self starter is used as in the case of 186 7-CA we might well… | ||
| Scan231 | Improving the engine ignition system, discussing condenser positioning, capacity, and the decision to use electric starters. | ||
| View original record | Contd. -2- R2/B10.7.17. may benefit the tunning of the engine considerably. Regarding the position of the condenser, I think this should be between the beginning end of the primary winding and the… | ||
| Scan232 | Page from a document discussing synchronized ignition systems in contrast to trembler ignition. | ||
| View original record | R.R. :35a (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -3- R2/B10.7.17. synchronised which is not the case with any trembler ignition. R. | ||
| Scan233 | Dispatch note confirming the sending of a Remy and a Delco distributor. | ||
| View original record | R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. X.2814. To R. from EH. EH6/LG15.8.17 We have despatched to you today 1 Remy 6-Cylinder distributor. 1 Delco distributor, gear & coil. EH. | ||
| Scan234 | Missing Remy ignition parts, specifically the coil and condenser. | ||
| View original record | R.R. 235a (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. EH. from E. Copy to By. " " Da. X.2814. Re - Remy Ignition Parts sent to St. Margaret's 18/8/17. R6/W18.8.17. We have received the six-cylinder… | ||
| Scan235 | To Mr. Ellis regarding the conversion of a battery ignition system on a 7-CA model to a non-trembler type. | ||
| View original record | X.2814. To Mr. Ellis from R. c. to EH. c. to BJ. R17/W27.8.17. X. 3129. RE BATTERY IGNITION. X.2814. X.1819. X.2512. X.3761. You will remember that I have asked you to convert the battery ignition on… | ||
| Scan236 | Cold-start tests for the Lucas Starter on an Eagle engine using various batteries. | ||
| View original record | R.R. 255 A. 1770 H. S.J. 442. 9-8-17. G. 1965 To R. from EH. c. to BJ. c. to E. c. to By. X. 2814. X. 3161 - STARTER FOR EAGLE ENGINES. We had the Air Board Officials here yesterday to observe tests… | ||
| Scan237 | Starter motor tests and issues with rigging a Remy ignition system. | ||
| View original record | -2- Contd. The motor kept the engine turning for 120 secs, the average speed was 32 to 35 r.p.m. The average time to start the engine was 2 to 3 secs. except for the first test the engine was not… | ||
| Scan238 | Query regarding the capability of the Remy ignition to start an Eagle engine by hand. | ||
| View original record | To EH. from E. c to By. c. to Clk. St. Margaret's Bay. Sept. 8th 1917. X.2814 - Re - Starting on Remy Ignition. E4/W8917. With reference to your report EH3/LG5917, would you please let us know in… | ||
| Scan239 | List of experiments to be incorporated into the 100 hours endurance test of the experimental Falcon 'B' Engine. | ||
| View original record | X.2814 ENDURANCE TEST OF EXPERIMENTAL FALCON "B" ENGINE. The following experiments were instructed to be incorporated in the 100 hours endurance test of Falcon "B" Engine in memo E8/B21.6.17. X.2814.… | ||
| Scan240 | Testing a Remy ignition system on an Eagle engine and a car engine, detailing performance and sparking issues. | ||
| View original record | To R. from EH. c. to BJ. c. to E. c. to By. EH2/LGK3.9.17. X.2814 - REMY IGNITION. We find we can start the Eagle engine quite easily with the 9 to 1 reduction hand starter and this ignition. We get a… | ||
| Scan241 | Risks and queries about coupling magneto and battery ignition systems on airship engines. | ||
| View original record | EH. from E. Copy to HY. X.2814 West Wittering. Oct. 16th 1917. X.2038 X3199 X.3191 X.2814 X 3173 Re - Inter-connection of Magneto and Battery Ignition. E1/W161017. X.3173. X.3199. X.2814. With further… | ||
| Scan242 | The operation of and recommendations for the Remy battery ignition system on an aero engine. | ||
| View original record | X 2814 Extract from Eh3/LG17.10.17 X.3173 - BATTERY IGNITION FOR AERO ENGINES X.3199 X.2754. X.682. X.2814. We find on 7 CA fitted with the Remy ignition, that we can start quite easily by switching… | ||
| Scan243 | Request to modify a 12-Cylinder Remy Distributor for a No. 23 Class Airship engine to increase its range. | ||
| View original record | X2814 To M. [Strikethrough] C. to Mr Swift. [Strikethrough] Mr Hives. Lieut Cotton. [Strikethrough] Mr Ellis. [Strikethrough] Da9/CH181017. With reference to the No.23 Class Airship engine which is… | ||
| Scan244 | Interconnection of magneto and battery controls for air-ship engines. | ||
| View original record | R.R. 238 A (770 H) (S.D). 447 9-5-17) G 1865. X.2814 To R. from EH. Copy to BJ. " " E. " " Ey. Ehl/LG18.10.17. 18th Oct. 1917. X2038 Re - Inter-connection of Magneto & Battery Controls. X 3173 X 3191… | ||
| Scan245 | To Mr Hives regarding an experiment to increase the advance on the Remy Ignition system. | ||
| View original record | Mr Hives: ---------- V 2814 Da2/CB221017. ----------- Re Remy Ignition. The engine which Mr Platford has been testing has now been delivered, and it is intended to hand it over to you for a short… | ||
| Scan246 | Confirming the request to supply electrical particulars of dismantled Remy and Packard induction coils. | ||
| View original record | To Wor. for Mr.Ellis X.2814. from EFC. EFC3/T22.10.17. X.918 - RE INDUCTION COILS X.2814. With reference to Mr. Elliott's note E1/W151017, in which you are asked to take to pieces the Remy (6… | ||
| Scan247 | Adjustments to the battery ignition timing range for an airship engine to prevent dangerous early firing. | ||
| View original record | To H... A. to D.I. By. [Redacted] KEC. X.2814 Dal/CB271017. 2 X 2038 - Re Battery Ignition. (Remy) X.2814 X.3191 X.3199 With reference to Mr Hives's memo RH/LG181017, there is a slight… | ||
| Scan248 | Effects of syringing water onto an engine's distributor and coil. | ||
| View original record | Da1/CB271017. contd. found. We afterwards syringed water on to the distributor several times. This checked the engine speed each time, but it immediately afterwards picked up again. But no effect was… | ||
| Scan249 | Requesting an order for a 6-cylinder Remy Ignition Coil for experimental purposes. | ||
| View original record | X.2814 To O.O. from EFC. EFC3/T31.10.17. X.3143. Re Remy Battery Ignition. X.2814 Will you kindly order up for experimental purposes one 6 cylinder Remy Ignition Coil from the Remy Electric Company,… | ||
| Scan250 | Delaying an engine delivery to install a 12-Cylinder Remy Ignition system. | ||
| View original record | X 2814 To Mr Swift. c.c. to Lieut Cotton. Mr Ellis. Mr Hives. Da9/CB311017. -------------- Re H.M.A. No. 23 Class - Remy Ignition. Lieut Cotton has agreed to delay the delivery of the last engine a… | ||
| Scan251 | Letter to Mr. W. H. Johnson requesting a six-cylinder Remy Ignition Coil for experimental purposes. | ||
| View original record | X.2814. Wd/16/E11117. 1st. November 1917. Mr. W. H. Johnson, 14, Panton St., LONDON.S.W. Dear Sir, We should be glad to know if you could supply us, for experimental purposes with one six Cylinder… | ||
| Scan252 | Request for a price quotation for 1100 Patent Hammered Cast Iron Self Expanding Piston Rings. | ||
| View original record | Wd/W18/E241017. 24th. October 1917. The British Chuck & Piston Ring Co. Ltd., COVENTRY. Dear Sirs, We should be glad if you would quote your price for 1100 Patent Hammered Cast Iron Self Expanding… | ||
| Scan253 | Particulars of Remy and Delco battery ignition coils and progress on experimental coils. | ||
| View original record | R.R. 235A (500 T). (S.D.) 408. 26-4-17.) Bm. 2/158/13. C. to H.R. [Strikethrough] C. to W.D. [Strikethrough] C. to Ry. C. to Hives/HDO. C. to Ds. C. to WOT. for Mr Ellis. [Strikethrough] X. 2814… | ||
| Scan254 | Thorough investigation into the action of a coil and contact breaker. | ||
| View original record | R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. -2- EFC5/T2.11.17. We shall make a thorough investigation of the action of the coil, and contact breaker under all conditions. E.F.C. EFC. | ||
| Scan255 | Particulars and schematic diagram for a Remy 12 cylinder 6 volt coil. | ||
| View original record | 1. Mr. Clark. Reference E1/W151017. EFC3/T221017. PARTICULARS OF REMY 12 CYLINDER 6 VOLT COIL. Primary Winding. This consists of 2 layers .040" D.C.C. and enamelled wire 90 turns per layer. Resistance… | ||
| Scan256 | Specification and test report for an ignition coil component, including a dimensional drawing and performance data. | ||
| View original record | Contd. -2- [Drawing of a component with dimensions 1 1/16", 9/16", 1/4", 2 1/4", 2 3/8"] 2 End caps of Stabeloid moulding. Mica tube .015" thickness between the primary and secondary and three layers… | ||
| Scan257 | Specifications for a Remy 6 Cylinder 6 Volt Coil. | ||
| View original record | 14.11.17. REMY 6 CYLINDER 6 VOLT COIL. Resistance on top of coil measures .36 Ohms. Primary winding resistance = .66 " -------- Primary winding consists of 4 layers of .024 D.S.C. wire 63 turns per… | ||
| Scan258 | Test data and wiring diagram for a Remy 6-cylinder ignition coil. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. -2- Contd. Speed. Consumption (amps). 150 2.35 300 2.1 700 1.3 1000 1. 1250 starts to miss .85 Primary shorted 6.2 amps dropping to 3.75 amps., as… | ||
| Scan259 | Diagram detailing the layered material composition for Remy coil condenser insulations. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. 1.11.17. REMY COIL CONDENSER INSULATIONS. Oil prepared paper .00125" Tinfoil .00075" Oil prepared paper .00125" Tissue paper .0015" waxed 2 1/4"… | ||
| Scan260 | Specification and particulars of a Delco coil from a Packard car. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/158/13. 1.11.17. PARTICULARS OF DELCO COIL FROM PACKARD CAR. Secondary winding consists of 44 layers of .005" enamelled wire. 325 turns per layer. Total… | ||
| Scan261 | Specifications for a coil, detailing insulation, dimensions, and connection. | ||
| View original record | Contd. -2- Top of coil insulated with three layers of Empire Cloth .010 thick. Overall dia: 2 5/32" The inside end of Sec: taken through flange to earth for connection. | ||
| Scan262 | Letter from REMY Electric Company clarifying an order for a 6-Cylinder coil for experimental purposes. | ||
| View original record | X.2814 WALTER H. JOHNSON. SOLE REPRESENTATIVE FOR EUROPE REMY ELECTRIC COMPANY. JONSONOTE, LONDON. 3644 & 3645 REGENT. A.B.C. CODE 5TH EDITION. YOUR REF. Wd/W16/E11117 OUR REF. WOK/EAA 14, PANTON… | ||
| Scan263 | Acquisition of a Remy ignition coil for experimental comparison against their own. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To O.C. from EFC. X. 2814 EFC1/T6.11.17. X. 2814 - REMY BATTERY IGNITION. X. 3173 - R.R. With reference to the letter received from the Remy… | ||
| Scan264 | Letter to Mr. H. Johnson clarifying an order, requiring only the coil and ignition switch for Airship Engines, not the distributor. | ||
| View original record | X 2814 ad/17/261117. 6th. November 1917. Mr. H. Johnson, 14, Panton Street, LONDON.S.W.1. Dear Sir, With reference to your letter of the 3rd. inst. will you please note that we really require only the… | ||
| Scan265 | Request to rewind Remy 6 and 12 cylinder coil cores to compare primary winding inductances for aero engines. | ||
| View original record | X.2814. To Wor. for Mr. Ellis. From EFC. EFC3/AT7.11.17. X.2814. X.3173. RE BATTERY IGNITION FOR AERO ENGINES. Will you kindly have the cores which you have taken from the Remy 6 and Remy 12 cylinder… | ||
| Scan266 | Request for the return of a Delco ignition system contact breaker from a Packard car for investigation and comparison purposes. | ||
| View original record | To E. from EFC. X2814 EFCS/T8.11.17. X.3199 - CONTACT BREAKER FOR DELCO IGNITION SYSTEM ON PACKARD CAR. X.2814. If you have done all you want with the above, which I understand you have with you at… | ||
| Scan267 | Cover letter regarding a tabular comparison of Remy and Delco ignitions, and preparatory notes for a new battery ignition design. | ||
| View original record | To R. from EFC. C. to E. " " Ed. " " By. " " By/HBO " " Da. " " EH. " " Wor/Mr.Ellis. X.2814. EFC1/AT9.11.17 Re X.3199.-BATTERY IGNITION (GENERAL). X.2814.-REMY IGNITION. Herewith please receive… | ||
| Scan268 | Comparative analysis of specifications for Remy and Delco 6 volt ignition coils. | ||
| View original record | COMPARISON OF REMY 12 CYLINDER REMY 6 CYLINDER AND DELCO 6 CYLINDER 6 VOLT COILS. CORE. REMY 12. REMY 6. DELCO Length (inches) 5.500 3.500 2.650 Diameter of wire (inches) .036 .036 .050 No. of wires.… | ||
| Scan269 | Comparison of electrical characteristics for Ballast and Primary & Ballast components from Remy and Delco. | ||
| View original record | -2- BALLAST. Remy 12. Remy 6. Delco Approx. resistance (Ohms)(cold) .610 .40 .37 Approx. resistance (Ohms)(warm) .690 .43 .425 (When carrying current of same heating value as working current at 900… | ||
| Scan270 | Comparison table of electrical specifications for Condenser, Primary, and Secondary coils for REMY 12, REMY 6, and DELCO systems. | ||
| View original record | -3- REMY 12. REMY 6. DELCO. CONDENSER. Condenser In Timer In Coil In Timer Approx. capacity (microfarads) .465 .31 - PRIMARY & CONDENSER. Approx. period of oscillatory current (secs). .000234 .000303… | ||
| Scan271 | Technical data table comparing performance characteristics of Remy 12, Remy 6, and Delco contact breakers. | ||
| View original record | -4- Remy 12. Remy 6. Delco CONTACT BREAKER. No. of breaks per revolution 12 6 6 Platinum gap set at .020" .028" - Ratio Time contact made / total time .670 .65 - (Period (sec) .00556 .01111 - (Time of… | ||
| Scan272 | Notes on the comparison of Remy 12 & 6 cylinder and Delco 6 cylinder, 6-volt ignition systems. | ||
| View original record | -1- NOTES ON THE COMPARISON OF REMY 12 CYLINDER & REMY 6 CYLINDER ALSO DELCO 6 CYLINDER 6 VOLT IGNITION SYSTEMS. From the tabular comparison herewith it will be seen that Remy 12 is designed to… | ||
| Scan273 | Continued comparison of the performance characteristics of Remy 12 and Remy 6 ignition coils. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2156/13. -2- Comparison of coils Contd. Although the time of make for Remy 12 is only about half that for Remy 6, owing to the fact that its time constant is… | ||
| Scan274 | Comparison of the primary inductance and construction of Remy 6 and Remy 12 coils. | ||
| View original record | -3- Contd. The inductance of the primary of Remy 6 is greater than that of Remy 12 in a greater ratio than the rate of quantities. (No. of primary turns)² x cross sectional area of iron for the two… | ||
| Scan275 | Chemical analysis of a ballast resistance wire from a Remy coil. | ||
| View original record | X.2814 R.R. 26. (24H) S.D. (295. 15-3-17) M.P. 176550. ROLLS-ROYCE LIMITED. INSTRUCTIONS To Mr Clark 12th Nov 1917 Order No. Customer's No. Laboratory Re Ballast resistance wire from Remy coil Ni =… | ||
| Scan276 | Laboratory analysis results for a ballast resistance wire from a Remy Coil. | ||
| View original record | Mr. Clark. COPY 12th November 1917. Laboratory. X. 2814 - RE BALLAST RESISTANCE WIRE FROM REMY COIL. Ni = 88.57 Mn = 2.14 Zn = 1.0 Cu and Fe = traces. Pb = 5.58. I do not feel this is quite… | ||
| Scan277 | Letter from Walter H. Johnson regarding a delay in replying and hesitation to supply a specific Coil and Ignition Switch. | ||
| View original record | X.2814 WALTER H. JOHNSON. SOLE REPRESENTATIVE FOR EUROPE REMY ELECTRIC COMPANY JONSOMOTO, LONDON 3644 & 3645 REGENT. A.B.C.CODE 5TH EDITION. YOUR REF Wd/W7/E61117. S.D. OUR REF. WOK/EAA 14, PANTON… | ||
| Scan278 | Technical letter discussing different models of Coils and Distributors for various engine applications. | ||
| View original record | Continuation No. 2. Messrs. Rolls-Royce Ltd. 15th November, 1917. following:- Our Model 171A Coil [handwritten insert: which] works in conjunction with our Model 108 Distributor or Model 209… | ||
| Scan279 | Letter from Remy Electric Co. explaining the reasons for not dispatching a coil, citing battery capacity limitations. | ||
| View original record | CONTINUATION No. 3 Messrs. Rolls-Royce Ltd. 15th November, 1917. Batteries which are fitted are not always of very large capacity, and consequently the number of hours running is at times rather… | ||
| Scan280 | The analysis of wire from a Remy ignition coil ballast resistance. | ||
| View original record | To R. from EFC. c to BJ. c. to By. c. to Da. X. 2814 - REMY IGNITION - ANALYSIS OF BALLAST RESISTANCE. Herewith please receive copy of Mr. Hall's analysis of a sample of wire taken from the ballast… | ||
| Scan281 | Letter to Remy Electric Co. regarding the supply of coils and instruction pamphlets for experimental airship engines. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. L 2814. EFC/AT191117 19.11.17. Mr. W.H. Johnson, Remy Electric Co., 14, Panton Street, London S.W. 1. Dear Sir, In reply to yours WOK/EAA with… | ||
| Scan282 | Letter from a supplier about sending a Model 284A Coil and 192A Ignition Switch, and a delay in instruction booklets. | ||
| View original record | X.2814 WALTER H. JOHNSON. SOLE REPRESENTATIVE FOR EUROPE REMY ELECTRIC COMPANY. JONSOMOTE, LONDON. 3644 & 3645 REGENT. A.B.C. CODE 5TH EDITION. YOUR REF EFC/AT191117 OUR REF WOK/EAA 14, PANTON STREET,… | ||
| Scan283 | Letter from Remy Electric Co. enclosing a wiring diagram and descriptive matter for a Model 171A Coil and Model 209 Distributor. | ||
| View original record | CONTINUATION No. 2 Messrs. Rolls-Royce Limited. 23rd November, 1917. possible. We are, however, enclosing herewith a very rough wiring diagram which may be useful to you. We are also enclosing some… | ||
| Scan284 | Wiring diagram of a grounded ignition system. | ||
| View original record | WIRING DIAGRAM OF GROUNDED IGNITION SYSTEM Drawing 6 MODEL 108 IGN. DIST. OR 209 "" MODEL 171 COIL OR 284 COIL MODEL 192 SWITCH. 6. VOLT BATTERY X814 25.11.1917 WALTER. H. JOHNSON 14. PANTON.ST.… | ||
| Scan285 | Particulars of Remy battery ignition coils. | ||
| View original record | To EP. from EFC. X 2814 EFC6/T27.11.17. RE REMY BATTERY IGNITION. X. 2814. Herewith please receive copy of our memo EFC1/AT191117, giving particulars of the Remy coils, as requested by you. This has… | ||
| Scan286 | Production state and supply chain challenges for battery ignition systems for engines 2101 onwards. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 23-4-17.) Bm. 2/156/13. To EY. from EH. Copy to Wor. " " RP. " " Wd. ORIGINAL 2814. EH3/LG29.11.17. 29th Nov. 1917. 2 X 3173 Re - ENGINES 2100 TO 2600. X. 3173 X .3199 X… | ||
| Scan287 | Ongoing ignition trouble on chassis No. 7-CA and a request for a replacement Watford magneto. | ||
| View original record | EH. from R. X. 2814 X.3129 R7/W10.12.17. X. 682 RE CHASSIS No. 7-CA. X. 2814 The ignition on this car has been a continual source of trouble and I anticipate that the Remy ignition will not fire a… | ||
| Scan288 | Cover memo distributing a report on mathematical and experimental investigations into battery ignition systems. | ||
| View original record | X. 2814. To R. from EFC. EFC2AT14.12.17. c. to BJ. c. to BJ: for Cy. c. to E. c. to By. c. to BY/HBO. c. to Da. c. to EP. c. to EH. c. to Wor/Ellis. X.3199 - RE BATTERY IGNITION X.2814. Herewith… | ||
| Scan289 | Mathematical and experimental investigations into the action of a contact breaker and coil for battery ignition. | ||
| View original record | X 2814 EFC2/T11.1.2.17. X.3199 - MATHEMATICAL AND EXPERIMENTAL INVESTIGATIONS OF ACTION OF CONTACT BREAKER AND COIL FOR BATTERY IGNITION. X.2814 . (1). Effect on variation of speed of contact breaker.… | ||
| Scan290 | Report page detailing the performance of an ignition system, including current consumption, ballast resistance, and experimental results for a Remy 12 system. | ||
| View original record | Contd. -2- EFC2/T11.12.17. The observed average current consumption is also plotted and may be compared with the calculated. The curve will be seen to be less steep, which is a desirable feature and… | ||
| Scan291 | Experimental results for the Remy 6 ignition system, detailing primary and secondary spark characteristics. | ||
| View original record | H.R. 233 a (100 T) R.V. 246 6-8-19: G 2469 Contd. -3- EFC2/T11.12.17. Experimental Results for Remy 6. Primary gaps .028" Secondary " 5 mm. In addition to plotted results of observed consumption, the… | ||
| Scan292 | Spark characteristics, oscillation, and the effects of varying secondary gap. | ||
| View original record | H.R. 235 A (100 T) (S.F. 846 6-8-19) G 2460 Contd. -4- EFC2/T111217. All sparks resume on dropping speed to 1100 R.P.M. It may be mathematically proved and is pointed out in accompanying notes that… | ||
| Scan293 | Analysis of primary current consumption in relation to spark gap configurations and size in an ignition system. | ||
| View original record | H.R. 235 A (100 T) [S] 1M 846.8.19. (G. 2460) Contd. -5- EFC2/T11.12.17. increased the primary current consumption slightly, i.e. about 5% , when using 6 separate gaps, and about four times as much… | ||
| Scan294 | Analysis of ignition system oscillations and the effect of ballast resistance. | ||
| View original record | Contd. -6- EFC2/T11.12.17. The further explanation that is needed may be due to the fact that in Remy 6 the primary oscillation (after secondary spark) is quicker and more quickly damped, on account… | ||
| Scan295 | Mathematical analysis of spark production and energy efficiency in an ignition coil system. | ||
| View original record | Contd. -7- EFE/T11.12.17. value C, with as little expenditure of electrical energy as possible and in some cases in as short a time as possible. If L be the inductance of the primary winding, the… | ||
| Scan296 | Analysis of the principles for redesigning a coil for optimal magnetic field energy, efficiency, and high-speed operation. | ||
| View original record | Contd. -8- EFC2/T11.12.17. not an unmixed advantage, for it means doubling the voltage to double the output of the same coil. If we redesign our coil to double its output, our basis would seem to be… | ||
| Scan297 | Theoretical analysis of open and closed circuit ignition coil systems, comparing efficiency and speed of operation. | ||
| View original record | H.R. 235 a (100 T) (S.F. 816 6.8.19) G. 2460 Contd. -9- EFC2/T11.12.17. and increase this voltage and the total primary resistance at the same time, and proportionally, by the addition of ballast… | ||
| Scan298 | Experimental results of varying ballast resistance on a Remy 12 ignition system. | ||
| View original record | R.R. 253 A (100 T) (S.F 846 6-8-19) G. 2469 Contd. (10) EFC2/T11.12.17. Experimental Results of varying ballast Resistance on Remy 12. Speed 900 R.P.M. Voltage 6 Primary gaps .020" Current consumption… | ||
| Scan299 | The effects of varying condenser capacity and position on the secondary spark and voltage. | ||
| View original record | Contd. -10a- EFC/T11.12.17. (4) Effect of variation of condenser capacity and position. Assuming the condenser to be connected in its correct position, right across the contact points, and the break… | ||
| Scan300 | The sparking performance of a Remy 12 ignition system with different condenser configurations. | ||
| View original record | H.R. 235 a (100 T) S & F 846 6-8-19. G. 2469 Contd. -11- EFC2/T.12.11.17. (4) Experimental for Remy 12. As before stated, there is very little sparking at the primary gaps of Remy 12 with its own… | ||
| Scan301 | Analysis of ignition system spark characteristics with varying capacitor values. | ||
| View original record | R.R. 235 a (100 Ty) S.F. 846 6-8-19. G. 2469 -12- EFC2/T11.12.17. Contd. effect increasing, for the spark is certainly more of the second type (b) p.3., and it is difficult to imagine the spark at… | ||
| Scan302 | Experiments with Remy 6 and Remy 12 condensers and their effect on primary and secondary sparks. | ||
| View original record | Contd. -13- EFC2/T11.12.17. of Remy 6 condenser were tried by connecting condensers in series with this. The smallest of these produced nearly the maximum effect on the secondary spark. It was proved… | ||
| Scan303 | The effects of condenser placement and capacity on ignition system performance. | ||
| View original record | Contd. -14- EFC2/T11.12.17. Further additions of capacity cause more and more missing of the secondary sparks. In other respects the phenomena are similar to those described for Remy 12. Effect of… | ||
| Scan304 | Ignition system tests involving coils, condensers, and high-tension wiring. | ||
| View original record | -15- Contd. EFC2/T11.1.21.7 Thus considering the Remy 6 coil (without own condenser cut out), the placing of the 12 cylinder condenser right across the points, reduced the arc to nothing, (only a… | ||
| Scan305 | Page discussing the effect of varying the primary gap in an ignition system, referencing accompanying curves. | ||
| View original record | Contd. -16- EFC2/T11.12.17. (5) Effect of variation of primary gap. The ratio period of make / total period is related to the amount of primary gap by a certain law depending upon the shape of the… | ||
| Scan306 | Report comparing observed and calculated current consumption curves and sparking for Remy ignition systems. | ||
| View original record | R.R. 235 a 100 T (R.F. 846, 6-8-19. G. 2460). Contd -17- EFC2/Tbl.12.17. hence the observed and calculated curves are not directly comparable although they show in a general way the effect of the… | ||
| Scan307 | The performance of a Remy 6 component at 900 R.P.M. | ||
| View original record | Contd. -18- EFC2/T11. 12.17. Experimental for Remy 6 at 900 R.P.M. In addition to plotted curve of current consumption against gap the following points were noted. On primary gaps the spark was about… | ||
| Scan308 | Graph showing current consumption curves for Remy 6 Volt 6 & 12 cylinder ignitions. | ||
| View original record | CURRENT CONSUMPTION CURVES OF REMY 6 VOLT 6 & 12 CYL. IGNITIONS PRIMARY GAPS .020" REMY 12 .026" REMY 6 SECONDARY GAPS 5 M.M. CURRENT CONSUMPTION (AV. VALUE) (AMPS) R.P.M. OR 5 TIMES NO. OF BREAKS PER… | ||
| Scan309 | Graph showing the variation of primary current consumption and efficiency of magnetic field production in an induction coil for battery ignition. | ||
| View original record | PRIMARY GAP (INCHES) .045 .040 .035 .030 .025 .020 .015 .010 .005 .000 VARIATION OF PRIMARY CURRENT CONSUMPTION, CURRENT AT BREAK & EFFICIENCY OF MAGNETIC FIELD PRODUCTION WITH ALTERATION OF PRIMARY… | ||
| Scan310 | Comparison of specifications for Remy 12 cylinder, Remy 6 cylinder, and Delco 6 cylinder 6 volt coils. | ||
| View original record | X. 3199 - COMPARISON OF REMY 12 CYLINDER REMY 6 CYLINDER AND DELCO 6 CYLINDER 6 VOLT COILS CORE. REMY 12. Remy 6. DELCO Length (inches) 5.500 3.500 2.650 Diameter of wire (inches) .036 .036 .050 No.… | ||
| Scan311 | Comparison table of electrical characteristics for Ballast and Primary coil components from Remy and Delco. | ||
| View original record | -2- BALLAST REMY K2. REMY 6. DELCO. Approx. resistance (ohms) cold. .610 .40 .37 Approx. resistance (ohms) (warm) .690 .43 .425 (When carrying current of same heating value as working current at 900… | ||
| Scan312 | Comparison table of specifications for REMY 12, REMY 6, and DELCO ignition system components. | ||
| View original record | -3- Contd. REMY 12. REMY 6. DELCO CONDENSER. Condenser. In timer In coil In timer Approx. capacity (mf) .465 .31 - PRIMARY & CONDENSER. Approx. period of oscillatory current (secs). .000234 .000303 -… | ||
| Scan313 | Technical data sheet comparing specifications for Remy 12, Remy 6, and Delco contact breaker systems. | ||
| View original record | -4- Contd. REMY 12. REMY 6. DELCO CONTACT BREAKER. No. of breaks per revolution. 12 6 6 Platinum gaps set at .020" .028" - Ratio time contact made / total time .67 .65 - Period (sec) .00556 .01111 -… | ||
| Scan314 | Comparison of Remy 12-cylinder, Remy 6-cylinder, and Delco 6-cylinder 6-volt ignition systems. | ||
| View original record | -1- NOTES ON THE COMPARISON OF REMY 12 CYLINDER & REMY 6 CYLINDER ALSO DELCO 6 CYLINDER 6 VOLT IGNITION SYSTEMS From the tabular comparison herewith it will be seen that Remy 12 is designed to operate… | ||
| Scan315 | Technical comparison between Remy 12 and Remy 6 ignition coils. | ||
| View original record | -2- Contd. Comparison of coils. Although the time of make for Remy 12 is only about half that for Remy 6, owing to the fact that its time constant is so much smaller (and that the final current is… | ||
| Scan316 | Comparison of the primary inductance and magnetic circuit design of Remy 6 and Remy 12 coils. | ||
| View original record | -3- Contd. produced. The inductance of the primary of Remy 6 is greater than that of Remy 12 in a greater ratio than the ratio of quantities. (No. of primary turns)2 x cross sectional area of iron for… | ||
| Scan317 | The observation of a Remy 6 cylinder contact breaker's motion at various speeds. | ||
| View original record | To R. from EFC. c. to BJ. c. to BJ for OY. c. to BY. c. to DA. c. to EP. X.2814. INSTANTANEOUS VISION OBSERVATION OF REMY 6 CYLINDER CONTACT BREAKER. The above was carried out by driving the Remy 12… | ||
| Scan318 | The increasing gap between the cam and fibre at higher engine speeds. | ||
| View original record | ESC4/AT19.12.17. Contd. ------------- gap between cam and fibre had become about .015" and at 1650 about .020". At about 1700 R.P.M. this had increased to about .035" with the result that the make was… | ||
| Scan319 | Request for 13 blueprints of the accompanying tracing of consumption curves for Remy ignition. | ||
| View original record | To Mr. Southern. from EFC. X.23149 EFC1/T20.12.17. RE CONSUMPTION CURVES OF REMY IGNITION Will you kindly supply 13 blueprints of the accompanying tracing of consumption curves of Remy ignition, and… | ||
| Scan320 | Calculations for a Second Remy 6 Cylinder Coil, Model 284A. | ||
| View original record | X.2814 X 2814 - SECOND REMY 6 CYLINDER COIL (Model 284A). Impedance of primary = 6.5 volts / 2.6 amps. = 2.5 w. Resistance ditto = 4 volts / 4.4 amps. = .91 w Reactance = √6.25 - .83 = √5.42 = 2.33 w… | ||
| Scan321 | Table detailing the primary and secondary resistance values for various induction coils. | ||
| View original record | X.2814 3.4.18. X.562. X.918. RESISTANCES OF PRIMARIES AND SECONDARIES OF INDUCTION COILS (True ohms) (cold). X.2814. Coil. Voltage. Primary resis. Secondary resis. 8384 Trembler. 4 .425 4660 6409 " 4… | ||
| Scan322 | Table of resistances and inductances for various battery ignition coils. | ||
| View original record | X.2814 15.4.18. X.2814. X.3296. RESISTANCES, INDUCTANCES ETC. OF VARIOUS BATTERY IGNITION COILS Coil. No. of cyls: Voltage. Primary Resistance (Ohms). Ballast Resistance (ohms). Primary Inductance.… | ||
| Scan323 | List of approximate capacities in microfarads for various experimental condensers and magnetos. | ||
| View original record | -2- APPROXIMATE CAPACITIES IN MICROFARADS OF EXPERIMENTAL CONDENSERS. Magneto. { M 1 .105 M 2 .140 M 3 .213 M 4 .215 EFC. .575 W.E. .50 R.R.1 .073 R.R.2 .122 R.R. 235A (500'T) (S.D. 408 28-4-17) Bm.… | ||
| Scan324 | Battery ignition, distributor design, and pre-ignition prevention. | ||
| View original record | R.R. 255 A (100 T) (S.F. 846/8-5-19) G. 2480 X. 2814 To EFC. from R. c. to CJ. 30th May 1918. R18/5/30518 X.3173 - RE BATTERY IGNITION X.3129 X.800 X.3296. X.3199 X.2814 X.1520. On the distributor… | ||
| Scan325 | Letter discussing the development and testing of ignition systems, including trembler coils and Remy ignition sets. | ||
| View original record | H.R. 235 a (100 T) (S.P 846 6-S-18) G. 2460 Contd. -2- H18/G30.5.18. All these points were carried out in the R.R. car battery ignition, except that a trembler coil was used, which will not be… | ||
| Scan326 | Request for compositional analysis of Remy K2-cylinder ignition contact points and a piece of Tungsten wire. | ||
| View original record | Mr. Hall from EFC. X-2814 EFC1/AT25.7.18. X.1818 X.2814 X.317 3 X.2894 - BATTERY IGNITION - TUNGSTEN CONTACT POINTS We have handed to you a set of 2 contact levers and 2 contact points, taken from the… | ||
| Scan327 | Analysis of contact points from a Remy 12 cylinder ignition set. | ||
| View original record | RR 233 v (200 T) (S. F. 10G. 25-10-18. G. 2244) X2814 EFC. 21.8.18. X. 2894 - RE CONTACT POINTS FROM REMY 12 CYLINDER IGNITION SET X.2814.X.1818. These points were not attacked by acids and submitted… | ||
| Scan328 | Cover note for particulars of a Delco ignition coil from a Packard car. | ||
| View original record | R.R. 235 s (2M T) (S.E. 327, 21-2-18) G. 21 9 To Mr. Coverley. c. to EH. EFC6/T30.1.19. X, 2814 - DELCO IGNITION. PACKARD CAR. Herewith please find two copies of particulars of Delco coil on Packard… | ||
| Scan329 | List of documents pertaining to Remy ignition and self-starter systems. | ||
| View original record | REMY. X.2814. Remy ignition. X.3238. Remy self starter. X.3352. Remy ignition - (Condor). | ||
| Scan330 | Test report on the sparking of a 6-volt 12-cylinder Remy coil with various connection configurations. | ||
| View original record | X.2814. X.3/29. TEST ON SPARKING OF 6 VOLT 12 CYLINDER REMY COIL AT 5-6 mm. AIR GAPS (WHEN CURRENT REVERSED IN PRIMARY AND HIGH TENSION TERMINALS WERE CONNECTED UP IN DIFFERENT WAYS). The… | ||
| Scan331 | Results of electrical circuit tests under varying conditions of current and polarity. | ||
| View original record | Contd: -2- When running current exceeded 1.30 amps. sparking was extremely regular without any sign of misfiring over a period of 15 mins. TEST 2. Connections as in Test 1 but battery terminal… | ||
| Scan332 | Ignition coil tests, detailing various wiring configurations and results, including a hand-drawn diagram for figure 2. | ||
| View original record | Contd. -3- In test 1, 2, 3, and 4 the secondary terminals were connected as indicated on coil ( fig 1) i.e. the H.T. terminals to distributor and the "ground" terminal at bottom of coil to "earth".… | ||
| Scan333 | Report concluding tests on the effects of earthing H.T. windings on spark energy and misfiring. | ||
| View original record | -4- Contd. however, i.e. when secondary terminals connected as above definite misfiring occurred, when the running current (at 500 R.P.M. of "timer") was reduced to 1.37 amps. as compared to 1.30… | ||
| Scan334 | Occasional misfiring at low speeds when using the battery induction coil system. | ||
| View original record | X.2814 X.3159 X64 X3440 OCCASIONAL MISFIRING AT LOW SPEEDS (ON LOAD) WHEN R.R. BATTERY INDUCTION COIL SYSTEM USED (1) The first experimental coils were satisfactory on test. (2) In production coils,… | ||
| Scan335 | Comparative analysis of the performance of R.R. and Remy ignition coils. | ||
| View original record | Contd. -2- R.R. COIL. Current passed through in best sparking direction. Running current at 500 R.P.M. of contact breaker = 1.00 amps. " reduced to .70 amp. before any definite misfire was noticed at… | ||
| Scan336 | Potential manufacturing defects in coils and proposing two tests to improve them. | ||
| View original record | Contd. -3- B. There may not be an adequate margin of safety as regards insulation stress, in order to allow for slight imperfections in construction and material; almost bound to occur on production… | ||
| Scan337 | Recommendations for the construction and testing of H.T. coils. | ||
| View original record | -4- Cont'd. 3. Build up a coil of more generous dimensions to allow of better insulation of H.T. than in (2) and test it. 4. Construct a (standard) coil in the experimental dept. of material now used… | ||
| Scan338 | Instructions detailing the effect of connecting the earth end of a Remy 6V 12 cylinder coil's secondary to different primary terminals. | ||
| View original record | R.R. 258 (24 B) (M. 150. 16.3.10) G. 705. X. 2814 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. Customer's No. Effect of connecting earth end of secondary of Remy 6V 12 cyl coil to different Primary… | ||
| Scan339 | Test results on various ignition coil and contact breaker configurations for component 7.C.A. | ||
| View original record | X2814 Tests on 7.C.A. No | Condition | Amps. | Length of H.T. Spark when engine is retarded 6 cyls. | Length of Spark at 500 rpm | Sparking at Contact Breaker 2000 reps 3000 reps | Length of wire to… | ||
| Scan340 | Test data sheet for various ignition coils and contacts, noting amperage, spark length, and sparking levels. | ||
| View original record | X2814 E. & S. (500T.) S.C. 523-14-2-16. H. Table Columns: Column 1: Remy coil & contacts Column 2: Amps at safe speed Column 3: Amps 2000 revs Column 4: length of contact Column 5: length of spark at… | ||
| Scan341 | Table of results from Remy ignition tests performed at 12 volts. | ||
| View original record | 12 Volts Remy ignition tests X2814' | No | Conditions | Amps Short circuit | Amps 2000 revs | Amps 300 | Length of wire inside contact | Length of spark 30 rpm | Length of spark 2000 rpm | Sparking at… | ||
| Scan342 | Comparative analysis of ignition coil and contact breaker performance at 12 volts. | ||
| View original record | 12 Volts. 27|25|9|17 K2814 Condition | Amps (Short circuit, 2000, 300) | length of wire to contact | length of spark (30 Revs, 2000) | Sparking at contact / HT spark (300 revs, 2000 revs pm)… | ||
| Scan343 | Bench experiments conducted on plain coil battery ignition systems. | ||
| View original record | X. 2814 To R. from EFC. c. to W. c. to E. c. to Bn. c. to EH. c. to Cy. c. to Da. EFC1/T14.11.19. EXPERIMENTS ON PLAIN COIL IGNITION X 3127 X 2814 We have made a number of bench experiments on battery… | ||
| Scan344 | Ignition coil experiments, detailing the effects of reversing current direction on sparking characteristics. | ||
| View original record | Contd. -2- EFC1/T14.11.19. battery round or reversing the connections to the primary, there is an immediately difference in the sparking characteristics. There is no difference, however, brought about… | ||
| Scan345 | Ignition coil performance and the effect of passing high tension cable through metallic tubes. | ||
| View original record | Contd. -3- out altogether, than it can be in the latter case. The former case corresponds to the high tension terminal being negative so that negative electrons would pass from insulated point to… | ||
| Scan346 | Test report comparing the effects of iron and copper tubes on spark gap length under insulated and earthed conditions. | ||
| View original record | Contd. -4- EFC1/T14.11.19. Iron tube. Length 5 ft. outside dia. .750", thickness .062". Copper Tube. Dimensions the same as iron tube. | Tube. | Length of gap for regular sparking. | |---|---|---| | |… | ||
| Scan347 | Experiments comparing the effect of High Tension (H.T.) cable length on spark gap for an R.R. standard coil and a Remy coil. | ||
| View original record | Contd. -5- EFC1/T14.11.19. 3. Effect of length of H.T. cable on length of spark gap in air. We have experimented on the above lines with an R.R. standard coil using similar high tension cable to that… | ||
| Scan348 | Experiments investigating the effect of using a red-hot electrode on ignition sparking performance. | ||
| View original record | Contd. -6- EPC1/T14.11.19. find on the road, however, that the use of a condenser of smaller capacity than normal appreciably improves the performance of the ignition. 4. Effect on sparking of using a… | ||
| Scan349 | Continued analysis of spark plug performance, noting the effect of earthed electrodes. | ||
| View original record | Contd. -7- EFC/T14.11.19. There is also the curious fact that with the hot electrode earthed, the length of spark obtained is greater than with the hot electrode insulated, and this doesnot seem to be… | ||
| Scan350 | Despatch of Remy and R.R. ignition coils and distributors for a Hawk engine chassis. | ||
| View original record | X.2814 E1/G12.12.19. To CK. from E. Copy to CJ. " " BN. " " HS. X.3445. " " DA. X.2814. RE IGNITION COILS. X.2273. We have sent to you under separate cover, box containing one Remy coil and… | ||
| Scan351 | Instruction sheet concerning the acquisition of ignition coils and distributors from the stores. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2814 59. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark 2/12/19 Order No: X 2814 X 3445 R2 Ignition Coils *EE/S We have obtained from the stores a box… | ||
| Scan352 | Comparison of spark length vs. cable length for a standard R.R. ignition coil and a Remy 6-cylinder 6-volt ignition coil. | ||
| View original record | X.2814 EFC. JA125/9.4.20. X.3129 X. X.3199 X.2814 SPARK LENGTH - CABLE LENGTH CURVES FOR STANDARD R.R. IGNITION COIL AND REMY 6 CYL. 6 VOLT IGNITION COIL. Rolls-Royce Coil. Cable length. .5' 1' 2' 3'… | ||
| Scan353 | Experimental comparison of a Remy 6 volt 6 cylinder coil against a standard R.R. coil, detailing performance with varying cable lengths. | ||
| View original record | -2- Contd. is arrested, when cable length is about 20 feet. The curve for the Remy 6 volt 6 cyl. coil is somewhat similar to that for the standard R.R. coil, and is shown thus --- . --- on the squared… | ||
| Scan354 | Trials of spark length against cable length for different ignition coils. | ||
| View original record | X 2814 To R. from EFC. c. CJ. c. E. c. to Bn. c. Da. c. Hs. c. Oy. EFC2/T14.4.20. X.3199 - BATTERY IGNITION - GENERAL. X 2814 Further to our EFC1/T14.11.19, we have now made further trials of spark… | ||
| Scan355 | Ignition system tests, comparing gap length, cable length, and sparking results. | ||
| View original record | Contd. -2- EFC2/T14.4.20. to some intermittent internal [handwritten: discharge] passage, or perhaps due to the coil not being properly dry after impregnation. The conditions in the present case are… | ||
| Scan356 | Graph of Spark Length vs. Cable Length curves for a standard R.R. and a Remy 6 Volt ignition coil. | ||
| View original record | SPARK LENGTH — CABLE LENGTH CURVES for ① STANDARD R.R. IGNITION COIL. (x). ② REMY 6 VOLT " " (•). Y-AXIS: GAP. (INCHES) .4 .3 .2 .1 X-AXIS: LENGTH of CABLE. (FEET) 2 4 6 8 10 12 14 16 18 20 | ||
| Scan357 | Need to fit self-starters to earlier cars due to the risks of backfires. | ||
| View original record | R.R. 199 (250T) (SDg76 19-7-17) MP 18.865 X.2814 To Mr. from R. R4/G20.8.20. Copy to C.J. " " Wor. " " Hs. " " KP. " " Pn. " " H. " " R.R. of America Inc. (For the attention of Mr y.) X.543. X 3538 RE… | ||
| Scan358 | Engine starting procedures to avoid backfire and the recommendation to fit a self-starter. | ||
| View original record | Contd. -2- R4/G20.8.20. There is one satisfaction, however, that in all R.R. cars so far turned out, it is possible to prime them and turn them round without the ignition current being switched on,… | ||
| Scan359 | Comparing U.S.A. electrical ignition equipment (Remy, Bosch) with the company's own design. | ||
| View original record | X.2814 To Hs. from R. c. to CJ. c. to Wor. R3/G16.2.21. X.4275 - RE U.S.A. ELECTRICAL EQUIPMENT X.2814. X.918. X.3199. With reference to learning something from the U.S.A. electrical ignition… | ||
| Scan360 | Aero Repair Stores requesting a 12-cylinder Remy coil for the Experimental Department. | ||
| View original record | X.2814 l Aero Repair Stores. from EFC. EFC2/T23.3.21. X.2814 RE REMY 12 CYLINDER COIL. (6 volt). X1427.cr Kindly charge up to Experimental Dept. one 6 volt 12 cylinder Remy coil to O/n 5C1C1. EFC. | ||
| Scan361 | Electrical specifications for two models of Remy 6 Cylinder, 6 Volt ignition coils. | ||
| View original record | X.2914 13.7.21. X.2814 X.2512. REMY 6 CYL. 6 VOLT IGNITION COILS. No.284A. (Secondary). Resistance - 2,935 ohms. m.a. at 206 volts 50.7~ = 11.6 P .0116 amp. . . Impedance - 18,390 ohms. . . Inductance… | ||
| Scan362 | Numerical particulars for a Remy 12 cylinder 6 volt ignition coil system. | ||
| View original record | X. 2814 NUMERICAL PARTICULARS. OF IGNITION COIL SYSTEM. SYSTEM. Remy 12 cylinder 6 volt CORE. Length (inches) before turning over. 5.500 Diameter of wire (inches) .036 No. of wires. 235 Total cross… | ||
| Scan363 | Electrical test data for ballast and primary coil components. | ||
| View original record | -2- contd BALLAST. Approx. resistance (ohms) (cold).. .610 Approx. resistance (ohms). .690 (when carrying current of same heating value as working current at normal speed of timer and with primary… | ||
| Scan364 | Technical data sheet detailing the performance characteristics of a contact breaker and its associated components. | ||
| View original record | -3- CONTACT BREAKER. Normal speed (R.P.M.) 900 No. of breaks per revolution. 12 " " " second. 180 Platinum gaps set at - .020 Make ratio. r .670 Period (sec.) T' .00556 Time of make (sec.) t' .00372… | ||
| Scan365 | Calculation sheet for the electrical characteristics of a condenser and transformer system. | ||
| View original record | -4- CONDENSER. Capacity (microfarads) K 900-.465 PRIMARY & CONDENSER. Period of oscillatory current (secs) T = 2π√LK .000234 Radio wave length (metres) VT 70200 PRIMARY, CONDENSER & BALLAST Decrement… | ||
| Scan366 | Table of electrical calculations for primary, condenser, and secondary components with associated formulas. | ||
| View original record | -5- Contd. PRIMARY, CONDENSER & SECONDARY. Approx. period of oscillatory current components in primary and secondary (secs). T" = 2π√(1-η)LK .0000743 Radio wave length (metres). vT" 22290 Damping… | ||
| Scan367 | Mr. Frazer's electric drive for automobiles, detailing his background with Otis elevators. | ||
| View original record | X.2648 BN. 11 SEP 1919 RECEIVED Oy10-F28/8/19 E.F.C. for your information Bin FWR from Oy.? Copies Cl, Bn, JEC and Hs RE FRAZER'S ELECTRIC DRIVE FOR AUTOMOBILES 1. I first saw this drive in… | ||
| Scan368 | Technical comparison of various electrical drive and transmission systems, including Owen-Magnetic, Frazer, and Tilling-Stevens types. | ||
| View original record | Oy10-F28/8/19-2 (b) The "Owen-Magnetic" type, which consists virtually of a magnetic engine clutch, in which the watts generated by slip are utilized in assisting the drive to the back axle, instead… | ||
| Scan369 | Analysis of a generator and motor system with variable magnetic poles, referencing a Cadillac car experiment. | ||
| View original record | Oy10-F28/8/19-3 [Diagram showing four magnetic poles around two central conductors. Top left pole is labelled 'N' and '6"'. Top right is 'N or S' and '3"'. Bottom left is 'S'. Bottom right is 'S or… | ||
| Scan370 | The construction of an outer generator and inner motor armature, including a hand-drawn sketch. | ||
| View original record | (2) Dispensing with flywheel, due to high moment of inertia of the outer (or generator) armature. (3) Lines of force run in closed circuits within a steel drum, a place of greatest density being at… | ||
| Scan371 | Technical description of an electrical drive system's components, assembly, and testing. | ||
| View original record | OY10-F28/8/19-5 The whole assembly is then impregnated with Bakelite under vacuum and pressure, and afterbaking becomes virtually as solid as a piece as though it was turned out of hardwood. The final… | ||
| Scan372 | The performance of a new drive system, including its hill-climbing and braking capabilities. | ||
| View original record | Oy10-F28.8.19-6 the "get-away" with the engine racing was slow, and gave the impression of a badly-slipping belt on a motorcycle. 15. No foot-brake was fitted. Instead the speed lever, on the steering… | ||
| Scan373 | Experimental combined starter-generator device, discussing its performance, vibration issues, and potential for fuel economy. | ||
| View original record | Oy10-F28/8/19-7 ably weigh a little over 600 lbs. 21. It supplants the starting motor and its gear, and the generator, since it is made to perform these functions itself. 22. On the experimental car,… | ||
| Scan374 | Principle diagram of a Frazer Electric Drive. | ||
| View original record | [ "Principle of Frazer Electric Drive", "Motor armature formed of copper strip and laminated teeth field therein", "Teeth on each disc to take driving torque", "generator armature built up from steel… | ||
| Scan375 | The design of the experimental Fraser's Electric Drive for a Ford car. | ||
| View original record | X 3648 Oy4-F9/9/19 Sept. 9, 1919 BN. 22 SEP 1919 RECEIVED S.D. 22 SEP 1919 RECEIVED FHR from Oy: Copies CJ, Bn, Na RE FRASER'S ELECTRIC DRIVE 1. The enclosed print is a form of the Frazer Electric… | ||
| Scan376 | Expressing skepticism about the design and practicality of Fraser's Electric Drive. | ||
| View original record | R.H. 22A-4-19(D) (S.F. 61. 22-5-19) (4) 2276 COPY TO MR. CLARKE for his information. To GY. from R. Copy to CJ. BN. X 3648 R7/G23919. RE FRASER'S ELECTRIC DRIVE - YOUR MEMO OY4/F9/9/19. I do not… | ||
| Scan377 | The use of Bakelite for impregnating coils in motor armatures, generators, and condensers. | ||
| View original record | X. 8648 Cy/2/G21.12.20. -2- Contd. Extract X1102 Mr. C. Johnson. Bakelite impregnation of coils. X.753. X.3966. X.3878. X.3343. X.3331. X.543. The Westinghouse motor armatures are varnished with… | ||