Rolls-Royce Archives
| Identifier | Entry | ||
| scan 001 | Visit from Herbert Frood to discuss his Ferodo asbestos material for use in plate clutches. | ||
| View original record | X.8357 R. from BY. a. C.L. c. EFC. X3439 RE CLUTCHES. X.8357. Ferodo Mr Herbert Frood, the pioneer of asbestos brake material paid us a personal visit yesterday. He brought with him samples of… | ||
| scan 002 | Different materials for clutch plates, including asbestos and cotton-based compounds, and a scheme to prevent rusting. | ||
| View original record | BYL/P211218. contd. - 2 - he is now using on the Tank clutch, print of which I enclose, is jointless and will not stick the plates together if made from the samples which we send herewith. This… | ||
| scan 003 | Impregnating spring material with graphite or emery to improve shock damping effects. | ||
| View original record | BYL/F211218. contd. - 3 - (1) The ordinary idea was to impregnate the material with graphite, and a number of cars have been so fitted. (2) The second idea was to impregnate the fabric with fine… | ||
| scan 004 | Test results for different friction materials at varying temperatures. | ||
| View original record | AL/MP. X.3409/ 12th. December. 1918. TEST RESULTS. Temperature up to 150° Centigrade (approx). Description of material Duration of test in mins. Area in Sq. ins. Pressure per sq. ins. Speed in ft. per… | ||
| scan 005 | Obtaining a new pressed asbestos material for the Friction Anchored Sun Wheel as the previously used Ferodo was unsatisfactory. | ||
| View original record | R.R. 255 B (300 T) (S.E. 427, 21-2-18) G. 2129 X3351 EH. from BY. C. to R. January 8. 1919. BY8/P8119. Referring to the fact that in the case of the Friction Anchored Sun Wheel, the Ferodo used was… | ||
| scan 006 | Letter from The Herbert Frood Company regarding tests on material samples No. 9.L. and No. 9.C. | ||
| View original record | COPY. THE HERBERT FROOD COMPANY, LTD., Sovereign Mills, CHAPEL-EN-LE-FRITH. HF/EEL. 7th. January, 1919. Tuesday. Messrs. Rolls Royce, Ltd., Nightingale Road, DERBY. Dear Sirs, Since dictating our… | ||
| scan 007 | Office order to purchase 24 plates of hard pressed wire-woven asbestos from Messrs Herbert Frood Ltd. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. O.O. from By/JH By/JH/T10119. X.3351.-HARD PRESSED WIRE WOVEN ASBESTOS. Please order 24 plates from Messrs Herbert Frood Ltd. as per our memo… | ||
| scan 008 | Sample of a new friction material from Messrs. Herbert Frood for the 'Eagle' engine's epicyclic gear. | ||
| View original record | To EH. from BY. c. to EFC. BY12/P8/4/19. "EAGLE" ENGINES. X.3351 RE FRICTION ANCHORED EPICYCLIC GEAR. I am sending you herewith a sample of material which has been specially prepared by Messrs.… | ||
| scan 009 | Notification regarding the receipt of a hard-pressed wire-woven asbestos disc for friction anchorage gear. | ||
| View original record | To Mr. Coverley. from EFC. EFC3/T8.4.19. X. 3351 - HARD PRESSED WIRE WOVEN ASBESTOS FOR FRIETION ANCHORAGE GEAR Please note we have been informed by the O.O. that the following has been received. 1… | ||
| scan 010 | To Mr. Clark detailing the receipt of various parts from suppliers for experiments. | ||
| View original record | R.R. 235 (200 T) (S.F. 103. 25-10-18) G. 2244 Mr Clark. X3351. Wd/Dnl/F11419. 11th April 1919. Please note that we have received from the Micanite & Insulator Co Ltd., 24 Mica Parts F.7163. 12 " "… | ||
| scan 011 | Receipt of parts including felt washers, mica, and bearings for experiments. | ||
| View original record | R.R. (200 T) (S.F. 103, 25-10-18) G. 2241. X.3367 Mr. Clark. from O.O. Wd/Dnl/HP2619 2nd June.1919. Please note we have received from Wm. Canning & Co., 5 Felt Washers N.442 for experiment 3351,… | ||
| scan 012 | Cancellation of an experiment on hard pressed wire woven asbestos discs for friction anchorage. | ||
| View original record | 18.9.19. X.3351.—HARD PRESSED WIRE WOVEN ASBESTOS DISCS FOR FRICTION ANCHORAGE. This experiment may now be cancelled as Mr. Hives reports that the bronze plates used on the Friction anchorage are… | ||
| scan 013 | Letter to Herbert Frood, Ltd. requesting a small order of hard pressed wire woven asbestos friction plates for aero engines. | ||
| View original record | Dec. 31st. 1918. By 7/P311218. Messrs. Herbert Frood, Ltd. Sovereign Mills, Chapel-En-Le-Frith. Dear Sirs, X.3357. FOR THE ATTENTION OF MR.HERBERT FROOD. Referring to your recent visit to our Works,… | ||
| scan 014 | Urgent request to the Print Room for a print of a tracing for a Chassis Bearing Bracket. | ||
| View original record | To Print Room. from EFC. EFC5/T9.4.19. X.3347 - CHASSIS BEARING BRACKET Will you kindly supply one print of the tracing herewith E.13824 Arrgt.Drg. in connection with the above. THIS IS MOST URGENT -… | ||
| scan 015 | Print of a bearing bracket arrangement drawing. | ||
| View original record | To Mr. C overley. from EFC. EFC4/T1.5.19. X.3347 - BEARING BRACKET Herewith please receive print of Arrgt. Drg. E.13824 in connection with the above. EFC. | ||
| scan 016 | Requesting dimensions for a Bearing Bracket Drawing following a test on brush positions. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Mr. Coverley from BY/HBO. C. to E.F.C. BY/HBO1/DW.1/5/19. [Handwritten: X334Y] BEARING BRACKET & CROSS CONNECTIONS - SEC: 7210. I understand… | ||
| scan 017 | From EFC to Mr. Coverley regarding a print for the arrangement of a bearing and bracket on a chassis. | ||
| View original record | To Mr. Coverley. from EFC. EFC5/T3.6.19. X.3347 - ARRGT. OF BRG+ BKT.- chassis Herewith please receive print of E.13824 in connection with the above. EFC. R.R. 235 (200 T'S.F. 100A. 25-10-18) C. 2544 | ||
| scan 018 | Assembly completion list for Chassis 1. E.X., detailing fitted components and their part numbers. | ||
| View original record | X.3344 Extract from EHC1/LG30.6.19. CHASSIS 1. E.X. The above chassis is now complete and it has been assembled as follows:- "P" SECTION. S.S. No. REMARKS. X.3082. Starter Motor to S.S's.F.6548 )… | ||
| scan 019 | Print for a bearing bracket. | ||
| View original record | To Mr. Coverley. from EFC. EFC3/T9.8.19. X.3347 - BEARING BRACKET. Herewith please receive print of E.13824 in connection with the above. EFC. | ||
| scan 020 | Supplying electrical starter sets with Lucas and C.A.V. motors for Eagle engines to be tested on a cruiser flying boat. | ||
| View original record | R. R. 235a (500 T) (S. D. 408. 26-4-17.) Bm. 2/156/15. X3328 14th February - 1918. To EH. from BY. c. to Mr Ormerod. c. to Mr Hargreaves. BY11/P14218. RE ELECTRICAL STARTER. The Air Board have written… | ||
| scan 021 | Confirmation of a telegram regarding Lucas's decision on an unbalanced reduction gear arrangement. | ||
| View original record | X.3328 CONFIRMATION OF TELEGRAM ROYCAR DERBY+ X.3161 / X.3328 17th June, 1918. 17.6.18 BAILEY REGRET LUCAS DECISION TO MAKE UNBALANCED REDUCTION SENDING SKETCHES FOR OUR GEAR CONSIDERABLY SIMPLIFIED… | ||
| scan 022 | Letter from the Air Board Office regarding a modified reduction gear design for electric starting motors. | ||
| View original record | COPY+ X.3326 AIR BOARD OFFICE. Central House, Kingsway, W.C.2. 285/7311. Messrs. Rolls-Royce, Ltd., DERBY+ Gentlemen, X.3328. X.3161. June 28th 1918 ELECTRIC STARTING MOTORS. Receipt of your letter… | ||
| scan 023 | Page 2 of a letter regarding difficulties in adopting a new armature shaft design for bulk production. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. -2- Contd:- on to the armature of the shaft, accomplished by the provision of an internal taper on the Armature Shaft which would require to be… | ||
| scan 024 | Cover note for an attached telegram requesting an experiment be carried out. | ||
| View original record | To Mr. Hives, from BY. X.3328 3rd. July, 1918. BY2/T3718. Attached herewith please find copy of telegram just received. Please carry out experiment required and let me know when I will telegraph… | ||
| scan 025 | Telegram from Mr. Elliott requesting the pressure required to slide the Eagle starter gear into mesh. | ||
| View original record | X3328 COPY OF TELEGRAM RECEIVED FROM MR. ELLIOTT. - 3/7/18. BAILEY HIVES WILL YOU TELEGRAPH WHAT PRESSURE IN POUNDS SHOULD BE APPLIED TO THE END OF LEVER E. 15414 TO SLIDE EAGLE STARTER GEAR INTO… | ||
| scan 026 | Instruction to cease work on electrical starter schemes for Eagle engines in favour of a new standard design by Mr. Royce. | ||
| View original record | R.R. 235 a (100 T) (S.E. 627. 21-2-18) G. 2129 c. EFC. Mr Hargreaves. from BY. c. Mr Ormerod. July 3. 1918. BY14/P3818. X 3378 RE REDUCTION GEAR FOR ELECTRIC STARTER. As Mr Royce has now started upon… | ||
| scan 027 | Specification regarding the force required on the lever for an electrical starter gear. | ||
| View original record | COPY. X. 3328. ELECTRICAL STARTER GEAR. ELLIOTT ELMSTEAD, WEST WITTERING. TWELVE OUNCES REQUIRED ON LEVER WITHOUT TOGGLE. HIVES. | ||
| scan 028 | Directive to stop work on specific reduction gear parts for the electric starter due to a new design. | ||
| View original record | X.3328 To Mr. Coverley from BY/HBO. c. to E.F.C. 4th. July - 1918. 2 BY/HBO1/GK4718. X.3328. (crossed out) X.3161. (crossed out) X.3247. (crossed out) RE - REDUCTION GEAR FOR ELECTRIC START R. As Mr.… | ||
| scan 029 | Note specifying the thirteen pounds of force required on lever E.15414 to engage the starter jaws. | ||
| View original record | R.R. 235A (500 H) (S.A. 253. 4-3-15) G. 9570. X. 3328. ELLIOTT, WEST WITTERING. THIRTEEN POUNDS REQUIRED ON THE END OF LEVER E.15414 TO ENGAGE STARTER JAWS WITH TOGGLE SPRING FITTED. HIVES. | ||
| scan 030 | 'Eagle' electrical starter, associated drawings, and required modifications. | ||
| View original record | To BY. from E. c. to EH. c. to Da. c. to EFC. 10th. July 1918. RE "EAGLE" ELECTRICAL STARTER. X.3328. We send you herewith drawings Nos. 968/9. The former shews the main scheme of the starter, in… | ||
| scan 031 | Alteration of worm gearing ratios and the forwarding of documents to the Air Board. | ||
| View original record | To BY, from E. -2- E1/G10718. Contd. The ration of the worm gearing will require altering so as to make the overall ratio about 100 to 1, and the hand winding ratio about 12 to 1. We also attach… | ||
| scan 032 | Letter to the Air Board regarding a new design for an electrical starter for aircraft engines. | ||
| View original record | X.3328 X. 3161. X. 3272. X. 3328. R3/G10718. FOR THE ATTENTION OF CAPT BRIGGS+ 10th July, 1918. 1320(8lines) The Controller, Air Board Technical Dept. Central House, LONDON, W.C.2. Dear Sir, RE… | ||
| scan 033 | Proposal for redesigning the starter gear for the Eagle engine to reduce cost while maintaining strength. | ||
| View original record | AERO. EXP. DEPT. A/53. 30.12.18. Contd:- trouble, produce a very satisfactory electrical starter, not occupying any room more than the presEnt engine, and leave it possible to use a dynamo as arranged… | ||
| scan 034 | Letter regarding modifications required for a Lucas electric starter motor to be fitted to an aero engine. | ||
| View original record | H.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To HY from R. Copy to CJ. X.3328 X. 3161. X. 3328. 10th July, 1918. R9/G11C718. RE ELECTRIC STARTER MOTOR I have written a letter to the Technical… | ||
| scan 035 | Design and fitting of a Lucas electric starter motor for an aero engine. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. X.3161 X.3328 To EY from R. Copy to CJ. 10th July. 1918. F9/C10718. RE ELECTRIC STARTER MOTOR. I have written a letter to the Technical Dept. of… | ||
| scan 036 | Continued document discussing motor gear and heavy timber engine supports on seaplanes. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Contd:- motor gear as suggested by them, owing to the presence of the heavy timber engine supports on the seaplanes. R. | ||
| scan 037 | Confirming the attachment of documents LeC.968 and LeC.969 concerning the Eagle Electrical Starter. | ||
| View original record | R.R. 283 w (200 T) (S.E. 517, 21-2-18) G. 2129 To, Miss Beeton from BY. To EFC. To M. 12th. July, 1918. BY5/T12718. X 2328 We attach herewith a copy each of LeC.968 and LeC.969 - Eagle Electrical,… | ||
| scan 038 | Blueprints for the Eagle Electrical Self Starter. | ||
| View original record | X.3328 To Mr. Coverley, from EFC. EFC/AT12.7.18. X.3328.-EAGLE ELECTRICAL SELF STARTER. Herewith please receive blueprints of LeC. 968/9 in connection with the above. EFC. | ||
| scan 039 | Design modifications for the 'Eagle' electrical starter, including new drawings and bracket lightening holes. | ||
| View original record | R.R. 25b-A (400) T.S.C. 5-10-16.1546 TO EY. from E. c. to DA. c. to EH. c. to EFC. X.3328 12th. July 1918. E2/G12718. RE "EAGLE" ELECTRICAL STARTER. X.3328. We send you herewith drawing No. Lec.971… | ||
| scan 040 | Modifications for an aeroplane's hand starter mechanism. | ||
| View original record | To EY. from E. -2- E2/G12718 Contd. fixed permanently to one end, and the complete handle and shaft, of which only one will be required per 'plane on a two-engined 'plane, is taken away and stored in… | ||
| scan 041 | Covering memo for a copy of the Eagle Electrical Starter Control Gear document. | ||
| View original record | R.R. 285 M (200 T) (S.E. 647. 21-2-18) G. 2129 X.3328 To EFC. from BY. TO M. 16th. July, 1918. BY3/T16718. We attach herewith one copy of LeC.971 - Eagle Electrical Starter Control Gear. BY. | ||
| scan 042 | Parts for an 'Eagle' engine electrical self-starter experiment. | ||
| View original record | R.R. 235 a (200 T) (S.E. 527, 21-3-18) G. 21-9 To Mr Miller from BY/JH. c.c. to c. to Mr Clark. c. to Mr Coventry BY/JH9/DB22718. July 22nd, 1918. RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER… | ||
| scan 043 | Listing parts for an 'Eagle' engine electrical self-starter and requesting three sets for testing. | ||
| View original record | To Mr Wills from BY/JH. [Struck through] c. to Mr Clark. c. to Mr Coverley. [Struck through] BY/JH2/DB29718. July 29th, 1918. RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER - Lec.968/9. X.3328. Please… | ||
| scan 044 | Letter from Joseph Lucas Limited regarding their inability to manufacture the Rolls-Royce design of reduction gear for starting motors. | ||
| View original record | COPY X.3328 JOSEPH LUCAS LIMITED. Great King Street, BIRMINGHAM. 30th July, 1918 BY1/P29B18 CLM/CD. X.3328. X.3161. Messrs. Rolls-Royce, Nightingale Road, Derby. Dear Sirs, For the attention of Mr.… | ||
| scan 045 | Request to place an order with the Lucas Company for 12 small type aero engine motors, type A.650. | ||
| View original record | R.R. 238 a (200 T SE 827. 21-2-18) G. 2129 EX. SEP 1918 X.3328 September 26. 1918. BY13/P26918. X.3/61 Mr Mills from BY. c. EFC. c. Mr Hargreaves. Re X.3 RECEIVED Will you kindly place an order with… | ||
| scan 046 | Order for Lucas electrical self-starter motors for 'Eagle' engines and potential manufacturing issues with shafts. | ||
| View original record | To E.H. from BY/JH. X3328 BY/JH3/DB51018. October 5th, 1918. .RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER LUCAS MOTOR. X.3328. With reference to your enquiry re the above, I give below a copy of Mr… | ||
| scan 047 | Receipt of Control Springs for the Electrical Starter Reduction from G. Salter & Co. | ||
| View original record | By/Mr. Clark. 15.10.18. Wd/EM2/E151018. X.3328. ELECTRICAL STARTER REDUCTION. Please note, we have received from Messrs. G. Salter & Co. 6 Control Springs E.16624 in connection with the above. These… | ||
| scan 048 | Design modification issue for a starter motor with supplier Messrs. Lucas. | ||
| View original record | To E. from Ev. E. Starting Gear. BY20/P.251018. X.3328 RE STARTER MOTOR Will you kindly note that Messrs. Lucas have pointed out that the modification in position that you made to the ball bearing,… | ||
| scan 049 | Delay and shared responsibility with Lucas regarding a fault found in an electrical starter blueprint. | ||
| View original record | Contd:- in hand, with the exception of the housing for the ball bearing, will be quite O.K. if scheme 338 is adhered to. Would you kindly let us know what your propositions in regard to this… | ||
| scan 050 | Modifications to the 'Eagle' Electrical Starter in response to objections from Messrs. Lucas regarding a ball bearing position. | ||
| View original record | To EX from E. c. to Da. c. to EH. c. to EFC. 31st October. 1918. E3/G.311018. X.3328 RE "EAGLE" ELECTRICAL STARTER In reply to your memo giving us information of Messrs. Lucas' objections to the… | ||
| scan 051 | Design changes and instructions for various engine components including a planet pinion and epicyclic gear. | ||
| View original record | -2- Contd:- "six projections, three of which must be further machines to form the planet pins with a cutter large enough in dimater to remove all of the metal of the boss not required, and leave a… | ||
| scan 052 | Notification regarding the receipt of Starter Oil Retaining Spinnings for an electric self-starter. | ||
| View original record | By/Mr. Clark. 1.11.18. Wd/EM6/E11118. X.3328 Elec: Self Starter. Please note, we have received from Mr. R. H. Burman, 6 Starter Oil Retaining Spinnings E.16376 in connection with the above. These may… | ||
| scan 053 | Cover note for LeC. No.1020 regarding modifications to the Eagle Electrical Starter to suit Lucas Requirements. | ||
| View original record | R.R. 255 m (WD T) (S.E. 497. 21-2-18) G. 2129 To Miss Beeton from BY. To EFC. To M. 5th. November, 1918. BY1/T51118. K3328 Herewith please receive one copy of LeC. No.1020 - Modifications to Eagle… | ||
| scan 054 | Letter to Joseph Lucas Ltd. regarding an issue with the epicyclic gear for starting motors. | ||
| View original record | Enl C. Y3328 EX. 7 NOV 1918 RECEIVED BY/HB11/P61118. November 6. 1918. Wednesday. Messrs. Joseph Lucas Limited., Great King Street, BIRMINGHAM. For the attention of Mr Turner. Dear Sir., Re Epicyclic… | ||
| scan 055 | Lubrication and cantilever design modifications for the 'Eagle' electrical starter. | ||
| View original record | X.3328 To BY } from E. " EH. } EA/G6.11.18. X.3328 RE "EAGLE" ELECTRICAL STARTER. In the LeC. drawing recently sent to you shewing the motor epicyclic reduction modified to suit Messrs.Lucas'… | ||
| scan 056 | Instruction to cancel parts for a superseded electrical starter for aero engines due to a new design. | ||
| View original record | R.R. 255 a (200 T) (S.E. 527. 21-2-18) G. 2129 Mr Hargreaves from BY. c. EFC. X 3328 RE ELECTRICAL STARTER FOR AERO ENGINES. In view of the fact that Mr Royce's new design as shewn on LeC.1020 is… | ||
| scan 057 | Querying the status of an unfulfilled order for Eagle electric starter motors. | ||
| View original record | To By. from EFC. EFC3/AT14.11.18 X.3328.-EAGLE ELECTRIC STARTER MOTORS. Referring to the 12 A650 small type aero engine motor which you asked the O.O. to order up on Sept. 26th last, we find on… | ||
| scan 058 | Notice to hold all work on a list of parts for the 'Eagle' engine electrical self-starter due to a revision. | ||
| View original record | [Text crossed out] c. to EFC BY/JH2/DB91118. November 9th, 1918. RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER - X.3328. Owing to the revised LeC.1020 for the above, will you please hold up all work on… | ||
| scan 059 | Issue of a print for a Lucas Motor Shaft End for the 'Eagle' engine's electrical self-starter. | ||
| View original record | [Text struck through] BY/Shn. c. to EFC. c. to [Text struck through] BY/Shn4/DB15118. November 15th, 1918. RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER. X.3328. Lec.1020. Please receive herewith -… | ||
| scan 060 | Listing parts and drawings for an 'Eagle' engine electrical self-starter. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. [Redacted text] c. to EFC. c. to Mr Coverley. [Redacted text] EY/Shn1/DB211118. November 21st, 1918. RE "EAGLE" ENGINES - ELECTRICAL SELF STARTER… | ||
| scan 061 | Letter to tester F. Cliburn about his illness with the 'Flu' and the urgent need for test figures for the 'C' engine. | ||
| View original record | EH4/LG13.11.18. Nov. 13th. 1918. X. 3108 X. 3030 Mr. F. Cliburn, Rolls-Royce Tester, Sergeants Mess, R.A.F., Martlesham Heath, Ipswich, Dear Mr. Cliburn, I am sorry to hear you have both been down… | ||
| scan 062 | Experiment on magneto brackets with improved lugs for the 'C' engine. | ||
| View original record | R.R. 285a (100 T) (S.E. 527, 21-8-18) G. 219 X-3328 EFC. from RHC. RHC13.12.18. X. 3293.-MAGNETO BRACKETS WITH IMPROVED LUGS. This experiment is incorporated in X.3328 and is going on "C" engine. RHC. | ||
| scan 063 | Unsuitable design for electrical starters on aero engines, leading to production issues and a disagreement with the Air Board. | ||
| View original record | R.R. 285 a (200 T) (S.E. 627, 21-2-18) G. 2129 Mr Pope from BY. c. EFC. December 30. 1918. BY14/P301218. RE ELECTRICAL STARTERS FOR AERO ENGINES. X. 3328 Referring to your EP/Y9/LS211218 the position… | ||
| scan 064 | Instruction to alter the quantity of experimental electrical starters for Eagle Engines from three sets to one. | ||
| View original record | R.R. 235 a (20 T) (S.E. 527, 21-2-18) G. 21 D To [REDACTED] from EY/Bhn. c. to EPC. EY/Bhn/AL.301218. 30th December 1918. X.3328. RE ELECTRICAL STARTERS FOR EAGLE ENGINES.… | ||
| scan 065 | Reduction of experimental electrical starter sets for Eagle engines from three to one. | ||
| View original record | R.R. 235 B (200 T) (S.E. 527, 21-2-18) G. 2129 Mr Shelton from BY. C. Mr Coverley. C. [redacted] C. RFC. [redacted] C. Mr Ormerod. December 30. 1918. BY15/F301218. RE ELECTRICAL STARTERS FOR EAGLE… | ||
| scan 066 | The supply of an armature spindle to Messrs. Lucas for a sample electrical starter for Eagle engines. | ||
| View original record | R.R. 235 s(200 T) (S.F. 103, 25-10-18) G. 2241 87C c. Mr Shelton. X. 3328 January 22. 1919. BY11/P22119. EAGLE ENGINES. ELECTRICAL STARTERS. Kindly note that Messrs.Lucas are awaiting the Armature… | ||
| scan 067 | Standardising C.M.3 Morganite starter motor brushes to replace the C.M. type. | ||
| View original record | To By. from Ck. c. to Bn. c. to O.O. X.3328 Ck1/AT16.1.20. X.3328.-RE STARTER MOTOR BRUSHES. X.2655. Will you kindly note that we shall, in the near future, most probably be issuing standardisation… | ||
| scan 068 | Letter to American Supplies Co. Ltd. regarding sparking plugs and the supply of 12 Cylinder Magnetos. | ||
| View original record | X.3304. EH1/LG23.5.18. 23rd. May. 1918. American Supplies Co. Ltd., 162Great Portland Street, London. W.1. Dear Sirs, For the attention of Mr. Hinley. X.3304. We beg to thank you for your sparking… | ||
| scan 069 | The failure of 'Splitdorf' sparking plugs during testing in an aero engine. | ||
| View original record | To EFC. from EH. EH3/LG9.7.18. X.3304.-"SPLITDORF" SPARKING PLUGS. These sparking plugs dropped to pieces when we ran them in an engine. They are quite unsatisfactory for use on an aero engines. EH. | ||
| scan 070 | Letter from Splitdorf Electrical Co. confirming they are sending 12 Common Sense Spark Plugs for testing. | ||
| View original record | X.3304 DIRECT BRITISH AND EUROPEAN REPRESENTATIVES FOR SPLITDORF ELECTRICAL Co. NEWARK N.J. U.S.A. References YOUR. ________ OUR. 713 GB ENCL. ________ SPLITDORF ELECTRICAL CO. OF LONDON, LTD., 162,… | ||
| scan 071 | Request to send an official order for one dozen Splitdorf sparking plugs. | ||
| View original record | X3304 Wd/Ms. from EFC. EFC/AT2/S21.12.20. X.3304. SPLITDORF SPARKING PLUGS. Will you kindly send official order to the Splitdorf Electrical Co. 162, Gt. Portland Street, London. for the 1 Doz.… | ||
| scan 072 | Extract from a report on a visit to the Delco Factory, discussing generators, contact breakers, and ignition systems. | ||
| View original record | X.3206 Contd. Extract from Report on Visit to Delco Factory. X.3296. -7- Oy6/FMF17.4.18. (In sketches aux2090) (a) it does not rust. (b) it has a rapid. increase of resistance at red heat like iron… | ||
| scan 073 | The design and manufacturing of starting motors and dynamos by Delco. | ||
| View original record | Contd. -8- Oy6/FMF17.4.18. Delco people are not strictly adhering to the single unit systems, but are also manufacturing separate dynamos and starting motors to suit their various customers. In some… | ||
| scan 074 | Description of a hardened gear and ground band pressed into a soft wheel for a free wheel's rollers. | ||
| View original record | Contd. -9- Oy6/FMF17.4.18. a hardened gear. A hardened and ground band is pressed into the soft wheel to form an abutment for the rollers of the free wheel. (Sgd) M. OLLEY. | ||
| scan 075 | Order for 8 Carbon Brushes for a Liberty Dynamo. | ||
| View original record | X. 3306 To. Mr. Mills from BY/HBO. BY/HBO8/GK13618. 13th. June 1918 E.F.C. LIBERTY DYNAMO X.3306. X 3945. Kindly order up 8 Carbon Brushes to Drg. X.R. 58. Carbon to be supplied to sample herewith.… | ||
| scan 076 | Query on calculating the number of turns per coil for a Liberty dynamo based on its armature resistance measurements. | ||
| View original record | X 3306 To BY/HBC. from EFC. EFC4/T15.6.18. X. 3306 - LIBERTY DYNAMO The resistance of the Liberty dynamo armature from a commutator segment to a commutator segment 90° away is .401 ohms cold. The… | ||
| scan 077 | Confirmation to prepare a 'Liberty' dynamo for a bench test involving a temporary bearing. | ||
| View original record | R.R. 536 a (499 T) (S.C. 535. 15-2-16) G. 1546. X. 3306 EFC1/AT2.7.18 To FHC. from EFC. X.3306.- "LIBERTY" DYNAMO BENCH TEST. This is to confirm that you will prepare the "Liberty" dynamo for a bench… | ||
| scan 078 | Notification of received parts available for collection at the stores. | ||
| View original record | X 3206 By/Mr. Clark. Wd/W3/H4718. 4th July 1918. Please note we have received the following parts and same may be had on application at the Stores. 8 Carbon Brushes x R59 from Morgan Crucible Co.Ltd.,… | ||
| scan 079 | From EFC to Mr. Coverley listing a series of urgent experimental jobs. | ||
| View original record | X.3306. EFC2/AT14.8.18 To Mr. Coverley, From EFC. RE EXPERIMENTAL JOBS. We give below for your convenience a list, in the order of urgency, of experimental jobs on which we are waiting you. These are… | ||
| scan 080 | Confirming the 'Liberty' dynamo for experiment X.3306 is ready for testing. | ||
| View original record | X 3306 To EFC. from RHC. RHC6/LG2.10.18. 2nd. Oct. 1918. RE "LIBERTY" DYNAMO, X.3306. Will you kindly note that the "Liberty" dynamo for the above experiment is now ready for test. RHC. | ||
| scan 081 | List detailing the weights of four different models of dynamos. | ||
| View original record | X.3306. 14.3.19. WEIGHTS OF DYNAMOS. X. 3232. C. A. V. 36 lbs. 8 oz. with pulley. X. 3231. Bijur. 31 lbs. 4 oz. " " X. 3014. Lucas. 27 lbs. without pulley. X. 3306. Liberty. 13 lbs. 8 oz. with pulley.… | ||
| scan 082 | Technical article about the Liberty Engine, focusing on its ignition system and electrical diagrams. | ||
| View original record | X.3306 582 (Supplement to THE AEROPLANE) Aeronautical Engineering FEBRUARY 5, 1919 THE LIBERTY ENGINE.—II. BY G. DOUGLAS WARDROP, M.S.A.E., A.S.M.E. (Managing Editor of "Aerial Age Weekly," New York.)… | ||
| scan 083 | Advertisement for The Aircraft Manufacturing Company (AIRCO) promoting their air service between London and Paris for the Peace Conference. | ||
| View original record | FEBRUARY 5, 1919 Aeronautical Engineering (Supplement to THE AEROPLANE) 58N London to Paris by Air— LONDON “AIRCO” Machines provide the link between Britain and the Peace Conference. Striking… | ||
| scan 084 | Detailed explanation of the carburetion, oiling, and cooling systems of the Liberty Twelve engine, including ignition and oil pump diagrams. | ||
| View original record | FEBRUARY 5, 1919 Aeronautical Engineering (Supplement to THE AEROPLANE) 599 CARBURETION. Two Zenith duplex carburetters are used on the Liberty Twelve. This is equivalent to four single carburetters,… | ||
| scan 085 | Advertisement page for 'The Aeroplane Library' listing several aviation-related books for sale. | ||
| View original record | 600 (Supplement to THE AEROPLANE) Aeronautical Engineering FEBRUARY 5, 1919 THE AEROPLANE LIBRARY (1) “FLYING COLOURS.” By CAPTAIN R. H. M. SAUNDBY, M.C. With an Introduction by Major-General E. B.… | ||
| scan 086 | Test results for a Liberty dynamo's cut-out point under plain shunt cold conditions at 21°C. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X3306 91014 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Date: 7/6/20. 19 Order No: Customer's No.: 7B81 Re: X.3306 Liberty dynamo. Cut out point plain shunt… | ||
| scan 087 | Test results sheet for a Liberty dynamo's output under hot conditions. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91016 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: # S.F.C. Date: 8/6/20 Order No: X. 3306 Customer's No.: FB. 83. Re: Liberty dynamo. Plain Shunt Output - hot… | ||
| scan 088 | Instruction sheet detailing test results for a Liberty Dynamo under cold conditions. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 2005 52 X.3306 91013 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.Y.C. Date: 7/6/20 Order No: X.3306 Customer's No: 713 80. Re: Liberty Dynamo. G.C. Volts Cold Condition… | ||
| scan 089 | Test results for a Liberty dynamo, showing speed versus volts under hot conditions. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91015 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.Y.C. 8/6/20 Order No: X. 3306. Customer's No.: 713 82. Re: Liberty dynamo C.C. Volts Hot condition 76°C Plain… | ||
| scan 090 | Instruction note regarding the acquisition of a Liberty Dynamo from stores for experimental purposes. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X 3306 91075 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Date 26.7.19 Order No. X.3306 Customer's No. F.B.140. Re: X.3306 Liberty Dynamos We have obtained… | ||
| scan 091 | Specification details for the 'Liberty' Shunt Wound Dynamo, including weights, air gap, field and armature circuits. | ||
| View original record | EFC. P.A.7. X.3306 91158 August 7th 1920. X.3306 - DETAILS OF "LIBERTY" SHUNT WOUND DYNAMO. WEIGHTS. Complete machine with pulley, but without suspension. 11 lbs. 11 ozs. Armature complete without… | ||
| scan 092 | Specifications for an armature winding, including materials, dimensions, and testing results. | ||
| View original record | R.R. 199 (2SGT) (SD676 19-7-17) MP 18086 Contd. -2- The wire used is single silk covered, .033" in dia. (21 S.W.G.) and the winding, of a 4 pole, right hand wound, progressive wave type, only it has… | ||
| scan 093 | Specification sheet detailing the dimensions and installation of four brushes. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 -3- Contd. There are four brushes, each being .35" x .225" or .078 sql ins. per brush holder. All brushes are soldered into the holders, and the two negatives… | ||
| scan 094 | Extract regarding a list of suggested dynamo parts for Mr. Royce, noting their design is based on the Bosch machine. | ||
| View original record | X3306 Extract from P.A.8. 18.8.20. X.796. List of suggested parts of dynamos to be sent to Mr. Royce. X.3306. There appear to be very few parts, the design of which is anything but what would be… | ||
| scan 095 | Listing attached documents concerning the design and performance of chassis dynamos. | ||
| View original record | To R. from EFC. c. CJ. c. E. c. Bn. c. PN. c. Da. c. By. c. EWT. for R.R.Inc. X 3306 EP.C1/T5.10.20. X.294 - CHASSIS DYNAMOS - GENERAL. Please find attached, in connection with the design and… | ||
| scan 096 | General report on the testing of various dynamos, focusing on volt-speed and ampere-speed curves. | ||
| View original record | R.R. 285a (100 T) (S.H 159. 11-8-20) G 3800 EFC5/T5.10.20. GENERAL REPORT. (1) Volt-speed Curves. These are open circuit volt-speed curves of the various dynamos tested, both for cold and hot… | ||
| scan 097 | Report page comparing the performance characteristics and numerical particulars of Bosch and Liberty dynamos. | ||
| View original record | Contd. -2- EFC5/T5.10.20. The curves are taken on battery circuits of volt-ampere characteristics defined by the two volt scales A and B, A representing the characteristic for the cold condition and B… | ||
| scan 098 | Specifications for machine windings and associated diagrams for various machines. | ||
| View original record | Contd. -3- EFC5/T5.10.20. give (6) photostat copy of tabular form of winding of this machine, in which each group of three actual coils with the corresponding three segments is treated as one actual… | ||
| scan 099 | Experiments with dynamos and vibrator regulators for car electrical systems. | ||
| View original record | Contd. -4- EFC5/25.10.20. We hope that this information which we have collected will be of use in the design, if necessary, of the plain shunt wound R.R. dynamo for the car to operate in conjunction… | ||
| scan 100 | The 'Liberty' shunt wound dynamo, including weights and circuit specifications. | ||
| View original record | EFC. P.A.7. 91158 August, 7th, 1920. X.3306. - DETAILS OF "LIBERTY" SHUNT WOUND DYNAMO. WEIGHTS. Complete machine with pulley, but without suspension. 11 lbs. 11 ozs. Armature complete without pulley… | ||
| scan 101 | Specification details for an electrical armature, commutator, and brushes assembly. | ||
| View original record | Contd. -2- The wire used is single silk covered, .033" in dia. (21 S.W.G.) and the winding, of a 4 pole, right hand wound, progressive wave type, only it has no end connections in the front. The pitch… | ||
| scan 102 | Specifications for the dimensions and installation of four brushes and their holders. | ||
| View original record | EHT/O.S.P.T.M. H.K. /29.12.33 Contd. -3- There are four brushes, each being .35" x .225" or .078 sq. ins. per brush holder. All brushes are soldered into the holders, and the two negatives earthed.… | ||
| scan 103 | Graph of open circuit volt-speed curves for various plain shunt wound dynamos under cold and hot conditions. | ||
| View original record | OPEN CIRCUIT VOLT-SPEED CURVES OF PLAIN SHUNT WOUND DYNAMOS FOR COLD AND HOT CONDITIONS I. Table: Dynamo, Balancing Speed Cold Hot Range BOSCH 370 406 36 SMITH 2D 390 460 70 SMITH A 419 501 82 BIJUR… | ||
| scan 104 | Graph of ampere output curves for various plain shunt wound dynamos under cold and hot conditions. | ||
| View original record | AMPERE OUTPUT CURVES OF PLAIN SHUNT WOUND DYNAMOS FOR COLD AND HOT CONDITIONS II. OPERATING UPON 12 VOLT BATTERY CIRCUIT OF DEFINED VOLT AMPERE CHARACTERISTICS SEE SCALES. ONE CHARACTERISTIC FOR EACH… | ||
| scan 105 | Optimal gear ratios and performance for a C.A.V. starter and a Liberty dynamo. | ||
| View original record | X.3306- To EP. from EFU. EFC3/T22.12.20. X 3247 (crossed out) X 3306 RE C.A.V. STARTER & LIBERTY DYNAMO. We make out that the best gear ratio for the C.A.V. starter, operating upon 6 volts for the… | ||
| scan 106 | Wiring diagram for the Liberty Switchbox connections and the Liberty Dynamo end. | ||
| View original record | Page 1: 9.8.20. X.1813. LIBERTY SWITCHBOX CONNECTIONS. X. 1888. (Front diagrammatic view). Left hand switch puts on left hand ignition. Right " " " right hand ignition. Both switches together put on… | ||
| scan 107 | Wiring diagram for the connections of a Liberty Dynamo and Vibrator Regulator. | ||
| View original record | R.R. 385A (100 T) (S.H 798. 10-12-20) G. 1947 X. 3306 (filed 28-1-21) X. 3306 Connections of Liberty Dynamo and Vibrator Regulator X.3795 To Switchbox A 7 + - 118w 46w E 41w A | ||
| scan 108 | Comparison table of specifications for various shunt dynamos. | ||
| View original record | X.294 SHUNT DYNAMO TABLES [COLUMN HEADERS] COL 1: X.32.32, SAV, MEG.R.K, AS SHUNT COL 2: X.295, SAV, SMITH.A, AS SHUNT COL 3: X.295, SMITH. S.D., AS SHUNT COL 4: X.794, Bose COL 5: X.3306, LIBERTY COL… | ||
| scan 109 | Analysis of the Liberty Dynamo and Regulator's operation, including a circuit diagram and notes on its characteristics. | ||
| View original record | X3306 13.8.29. X.3306. LIBERTY DYNAMO AND REGULATOR. X.3795. + Field winding R P F M Opposing M & F. Fixed magnetic effect required, resultant of currents in M & F. Assume working at moderate dynamo… | ||
| scan 110 | The assembly and modification of 'Eagle' engine water pump parts for testing. | ||
| View original record | R.R. 222 a (10 T.) (S.E. 5a. 21-3-18) G. 2129 [Text struck through] c. to Mr Clark. [Text struck through] BY/JH3/DB3618. June 3rd, 1918. RE"EAGLE" ENGINES - WATER PUMP - X.3307. Please receive… | ||
| scan 111 | Water pump modification test for the 'Eagle' engine, involving new joint facing cover washers. | ||
| View original record | To Mr Hills From BY/JH c.c to Mr c. to Mr Clark. c.c. to Mr. for F. Coverley BY/JH6/DB3618. June 3rd, 1918. RE "EAGLE" ENGINES - WATER PUMP - X.3307. (Waterpump Casings with altered position of drain… | ||
| scan 112 | Arrangement of the Water Pump (Sheet 2) for 'Eagle' Engines. | ||
| View original record | R.R. 231 B (200 T. 18 E 127. 21-2-18) G. 2129 | ||
| scan 113 | Instruction standardizing the altered position of the water pump drain cock for 'Eagle' engines. | ||
| View original record | To EFC. from EH. EH/AT7.9.19 X.3307.-WATER PUMP WITH ALTERED POSITION OF DRAIN COCK. This modification has been instructed as Standard on "Eagle" engines. EH. | ||
| scan 114 | Alteration notice for the Drain Cock Body and Locking Washer on Falcon & Eagle engines. | ||
| View original record | X.3304 MINISTRY OF MUNITIONS. AIRCRAFT PRODUCTION DEPT. STRAND. LONDON, W.C.2. ENGINE DESIGNS BRANCH. ALTERATION Nº D. 1258 Nº OF PAPER A.P.T 51458 ALTN CLASS Nº III TYPE OF ENGINE: R.R. Falcon R.R.… | ||
| scan 115 | Mostly blank document with a 'Print Room' stamp in the bottom right corner. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 19 DEC. DERBY | ||
| scan 116 | Confirming the handover of a drawing for a Petrol Venturi Meter and ordering two experimental units. | ||
| View original record | To Na. for Mr. Johnson. from EFC EFC6/T4.10.17. X.3180 - PETROL VENTURI METER FOR TEST HOUSES This is to confirm that we handed to you rough arrangment drawing of the above, and that you have detailed… | ||
| scan 117 | Testing a Venturi Petrol Flow Meter before ordering in quantity. | ||
| View original record | R.R. 226 A (1770 H: S.D. 442, 9-9-17) G 1965. Mr. Clark. D.O. X.3180. 6.10.17. VENTURI PETROL FLOW METER. Please note that instructions have been sent into the Works for 1 Venturi Meter with .250… | ||
| scan 118 | Instruction to manufacture and assemble parts for petrol flow meters for test houses, based on a blueprint. | ||
| View original record | Copy. X. 3180 R.R. 300 (120 s) (SC. 576. 25.2.16) E.P. 1262. 63813 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Messrs Hormald & Peskett Date 9-10-1917 Order No. 48995. Customer's No. Re- Petrol Flow Meters… | ||
| scan 119 | Instruction memo regarding petrol flow meters for test houses. | ||
| View original record | R.R. 300 (120 S) (SC. 576. 25.2.16) E.P. 1262. X. 3180 63814 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clarke (D.O.) Order No. Customer's No. Re - Petrol "Flow Meter" to Test Houses. Herewith please… | ||
| scan 120 | Confirming experiments and requesting a smaller petrol venturi meter for test houses. | ||
| View original record | Na/Jn. from EFC. EFC/AT12.11.17 RE X.3180.-PETROL VENTURI METER FOR TEST HOUSES. This is to confirm our conversation that our preliminary experiments with the petrol venturi meter with the .500 bore… | ||
| scan 121 | Testing of an R.A.F. petrol flowmeter and the development of a new Venturi-type meter using a copper sulphate solution. | ||
| View original record | To R. from EFC. c.c. to BJ. c.c. to By. c.c. to Da. X.3180. EFC2/T28.11.17. RE METERS FOR THE MEASUREMENT OF PETROL FLOW. With reference to Mr. Bailey's memo EY14/P271117, last paragraph, Mr. Bailey… | ||
| scan 122 | The accuracy and faults of Venturi petrol flow meters for use in test houses. | ||
| View original record | Contd. -3- EFC2/T28.11.17. a 1% increase in the flow causes a 2% increase in the reading. The actual difference between the reading of the meter for 4 pints in 60 secs. and for 4 pints in 59 or 61… | ||
| scan 123 | Data table for a Venturi petrol flow meter with a mercury gauge, correlating manometer readings with flow rates. | ||
| View original record | X. 3180 8.12.17. C. 804 X 3180 VENTURI PETROL FLOW METER (With mercury gauge). Table based upon G = .1865 √H Difference of level in manometer gauge. | Flow in galls/minute. | Time for 4 pints in… | ||
| scan 124 | Table of data comparing flow rate in pints per hour to manometer gauge level differences in inches. | ||
| View original record | Contd. -2- 8.12.17. Pints per hour. Difference of level in manometer gauge (inches). 240 7.20 235 6.90 230 6.60 225 6.32 220 6.04 215 5.77 210 5.51 205 5.25 200 5.00 195 4.75 190 4.50 185 4.27 180… | ||
| scan 125 | Instructions for making and fixing parts for a petrol flow meter for 3 cylinders from blueprints. | ||
| View original record | R.R. 50 (180 B) (S.C. 576. 25.2.16) E.P. 1262. 66733 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Order No.: 48995 Re: Instructions sent to works for Petrol Flow Meter for 3. Cylinders. Customer's… | ||
| scan 126 | Confirming the handover of production for an experimental 3-cylinder petrol venturi flow meter. | ||
| View original record | R.R. 235a (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. Wor. for Mr. Coverley from EFC. EFC1/AT24.1.18. Re X.3180B.-EXPTL. 3 CYLINDER PETROL VENTURI FLOW METER. This is to confirm that the production of… | ||
| scan 127 | Requesting the production of two types of petrol venturi meters, X.3180A and X.3180B. | ||
| View original record | H.H. 2M. (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To JS/Jn. from EFC EFC1/T29.1.18. X.3180A - PETROL VENTURI METER FOR 12 CYLINDERS. X.3180B - " " " " 3/8" Will you kindly issue instructions for… | ||
| scan 128 | The satisfactory performance of a new petrol flow meter and the decision to requisition it for test houses. | ||
| View original record | Handwritten: Copy MEF Clark EP 6/5/18 I R. from EP. EP10/F5218. RE. FLOW METERS. X.3180 X.3149 We have lately been using a petrol flow meter on test instructed by Mr. E. F. Clark, which has so far… | ||
| scan 129 | Demand for a water circulation flow meter for engine testing and the consideration of a patent. | ||
| View original record | 2. to fix similar meters for the checking of the water circulation while the engines are on test. The chief reason for my writing this memo. is that I know there is at present a great demand for such… | ||
| scan 130 | Instruction to proceed with building six petrol Venturi meter boards for the Test Houses. | ||
| View original record | To JS/Jn. from EFC. EFC1/T12. 2.18. X.3180 - PETROL VENTURI METER FOR TEST HOUSES Further to our EFC1/T29118 we have now handed to your Mr. Evans a rough sketch showing scheme for a petrol Venturi… | ||
| scan 131 | Two specifications for a Venturi Flow Meter and outlining a potential claim for the company's own design. | ||
| View original record | X 3180 To Srh. from EFC. EFC3/AT26.2.18. X.3149 - VENTURI FLOW METER. X.3180. We return herewith the two Specifications on the subject of venturi flow. This, in our opinion, does not cover the ground… | ||
| scan 132 | The operation of a gauge for measuring petrol flow. | ||
| View original record | -2- To Srn. from EFC. gauge containing a coloured liquid of density a little greater than petrol, differentially connected to the two points of the meter tube at which a difference of pressure is… | ||
| scan 133 | Data table for a Venturi Petrol Flow Meter using a CuSO4 gauge, correlating flow time with manometer readings. | ||
| View original record | H.H. 8.H. (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3180 28.2.18. X. 3180 - VENTURI PETROL FLOW METER (with CuSO4 gauge). TABLE FOR G = .194 √H OR P = 93.1√H WHERE G = galls per min AND P = pints… | ||
| scan 134 | Continuation page of test results showing time against manometer gauge level differences. | ||
| View original record | -2- Contd. Time for 4 pints. Diff: of level in manometer gauge (inches). M. S. 1. 32 2.82 1. 34 2.70 1. 36 2.60 1. 38 2.49 1. 40 2.39 _____ _____ _______ | ||
| scan 135 | Notice stating that the petrol venturi meters experiment has been instructed as a production job. | ||
| View original record | EFC/AT14.3.18. X.3180.A/B.-PETROL VENTURI METERS. The above experiment has been instructed as a production job. EFC. | ||
| scan 136 | Request for a report on the usefulness of a small 3-cylinder petrol Venturi meter. | ||
| View original record | To EP. from EFC. EFC3/T24.5.18. X.3180B - PETROL VENTURI METER FOR 3 CYLINDERS. We shall be glad to have a report from you as to the usefulness or otherwise of the small 3 cylinder Venturi meter which… | ||
| scan 137 | Confirming the successful testing of a petrol venturi meter for 3-cylinder engines. | ||
| View original record | COPY. To EFC. from EP. 6.6.18. X.3180B - PETROL VENTURI METER FOR 3 CYLINDERS. O.K. - as far as shown by running on test engines. Range appears O.K. now anxious for complete instruments to use for… | ||
| scan 138 | Experimentation and implementation of petrol Venturi flow meters for engine test houses. | ||
| View original record | To Wor. from EFC. X 3180 RE PETROL VENTURI FLOW METERS As perhaps you are aware, we have experimented with petrol Venturi flow meters of two sizes, one suitable for the whole engine (4 carburetters),… | ||
| scan 139 | Inability to produce petrol venturi flow meters in-house and suggesting they be outsourced. | ||
| View original record | To EFC. from Wor. 31st. August 1918. Wor5/T31818. X.3180 RE PETROL VENTURI FLOW METERS. EFC2/T7.6.18. The whole of the labour and machines in the Works at the present time, so far as tackle and tools… | ||
| scan 140 | Requesting literature or reports on petrol flowmeters. | ||
| View original record | To EFC. from Bn c. to Mr. Hives. BnX1/P16.5.19. RE PETROL FLOWMETERS X.2229 X.3180.✓ I believe at one time you looked into the question of flowmeters, and no doubt you have some literature or reports… | ||
| scan 141 | Results and suitability of various types of petrol flow meters for aero engines. | ||
| View original record | To Bn. from EFC. EFC1/AT20.5.19. RE PETROL FLOW METERS. X.3180, X.2229, X.3359 In answer to your enquiry Bnll/P16519, I am sending down to you files containing matter in connection with Petrol Flow… | ||
| scan 142 | Producing an accurate differential low-pressure gauge using a simple venturi type for reliable readings in horizontal flight. | ||
| View original record | -2- EFC1/AT20519. Contd. more elaborate affair than our simple venturi flow meter, but no doubt gives very fair results. If it were possible to produce an accurate low reading differential low… | ||
| scan 143 | Calculations for a petrol venturi meter, determining flow rates. | ||
| View original record | X. 3180 Head galls/min √Head Const- 4.05 .375 2.01 .1865 4.91 .410 2.22 .1846. 5.87 .457 2.42 .1890. 6.94 .487 2.63 .1850 7.96 .533 2.82 .1890. 5 / 9341 .1867. .187 √H. X.3180. Petrol Venturi Meter Av… | ||
| scan 144 | Letter from the Ministry of Munitions of War regarding a flowmeter report and development. | ||
| View original record | X.2229. X.3180. 35 A.S./Gen MINISTRY OF MUNITIONS OF WAR. AIR GROUP. Telegrams: "TECHNIDEP, WESTCENT, LONDON." Phone: REGENT 6700 EXTENSION. 310 Trunk Line: AIRCRAFT PRODUCTION, LONDON… | ||
| scan 145 | Confirming the availability of two A.I.D. Mark 4 Flowmeters for a 'Condor' Type Test. | ||
| View original record | X3/80 Mr. Hives. c.--to Mr. Bradshaw,-A.I.D. P2/EB101019. 10th. October 1919. I have to confirm that two A.I.D. Mark 4 Flowmeters, Nos. 27 & 29, are available for use on the "Condor" Type Test. Will… | ||
| scan 146 | Proposed experimental piston alloy and the need for testing before adoption. | ||
| View original record | To Mr. Clark, from BY. X 3183. RE PISTONS. 17th September, 1917. BY5/G17917. Will you kindly issue an experimental number for pistons made in the following alloy - 93% aluminium. 7% copper. adding .5%… | ||
| scan 147 | Requesting the casting of experimental pistons made from an aluminium, copper, and magnesium alloy for testing. | ||
| View original record | R.R. 235a (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. To Wor. for Mr. Kesterton from EFC. EFC3/T18.9.17. c. to By. X.3183 - PISTONS IN 93% ALUMINIUM, 7% COPPER AND .5% MAGNESIUM Please note we have… | ||
| scan 148 | The composition of two types of aluminium alloy pistons and an inquiry about their casting status. | ||
| View original record | To Wor. for Mr. Kesterton. from EFC. X.3183 EFC5/T4.10.17. ALUMINIUM ALLOY PISTONS. X.3179 - 93% aluminium 7% copper. X.3183 - 93% " 7% " and .5% magnesium. You have not yet informed us that you have… | ||
| scan 149 | Request for a progress report on three experiments involving pistons with false crowns and different alloys. | ||
| View original record | R.R. 235 H (380 H) (S.D. 447. 8-8-17) G. 1906. x.3183 EFC1/T15.10.17. To Wor. for Mr. Kesterton, from EFC. X.2622A/B - PISTONS WITH FALSE CROWNS. X.3177 - " " 93% ALUMINIUM & 7% COPPER. X.3183. - " "… | ||
| scan 150 | Specifications and manufacturing methods for three different types of pistons. | ||
| View original record | R.R. 235a (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. X.3183 8.10.17 To EFC. from AK. X.2822A/B - Special method of preventing disintegration of pistons by casting piston crown in the form of a… | ||
| scan 151 | List of cancelled experiments relating to engine crankcases and pistons. | ||
| View original record | X.3/83 EFC/AT5.6.18. The following experiments may now be cancelled.- X.2705.- [Struck through text] Lightened top half of crankcase incorporating X.2728.- Crankcase main bearings in aluminium with… | ||
| scan 152 | Requesting the production of an adapter for a wireless drive shaft to be used on Eagle engines. | ||
| View original record | To Mr. Coverley from BY/RB. c. to EFC. c. to Mr. Hargreaves. September 26th 1917. BY/RB4/WH26917. X.3184. - ADAPTER FOR WIRELESS DRIVE SHAFT. Please receive herewith a sketch of the adapter for the… | ||
| scan 153 | Confirming the completion and dispatch of Wireless Drive Shaft Adapters. | ||
| View original record | To Mr.Clark. from RHC. Copy to BY/RB. RHC2/LG8-10-17. 8th Oct. 1917. Re - Wireless Drive Shaft Adapters. X.3184. We have finished 6 sets of the above Adapters as instructed in BY/RB4/H26.9.17. and… | ||
| scan 154 | Requesting a report on the suitability of wireless drive shaft adaptors. | ||
| View original record | To E.P. from EFC. EFC/AT15.10.17 X.3184.- WIRELESS DRIVE SHAFT ADAPTORS. Will you kindly note that we are waiting your report on the suitability of the wireless drive shaft adaptors for converting the… | ||
| scan 155 | Satisfactory fitting of a wireless drive adaptor by Faireys. | ||
| View original record | EFC from EP. X.3184 A.T. EP/HS32/R191017. X. 3184 Re Wireless Drive Adaptors. -------------------------- With reference to your memo EFC/AT15.10.17 please note our tester Evans in London writes as… | ||
| scan 156 | Letter from Joseph Stubbs, Limited concerning the supply of sample piston ring pot castings. | ||
| View original record | WD/AW.5/W.27917. X 3185 5th October 1917. OW/JS. Messrs. Rolls-Royce, Ltd., Nightingale Road, D E R B Y. Dear Sirs, Further to your esteemed enquiry of the 25th. and 26th. ultimo, we beg to advise you… | ||
| scan 157 | The testing of new, more elastic piston rings made from special metal pot castings. | ||
| View original record | X.3185 By/Mr. Clark. 9.10.17. Wd/EM4/E91017. re Piston Rings. We have received from Messrs. Jos. Stubbs Ltd. two Piston Ring Pot Castings E.9098. Please arrange with the Experimental Dept. to make a… | ||
| scan 158 | Request to test new piston rings made of a special metal against existing standard rings. | ||
| View original record | R.R. 228 A (170 H.)-S.D. 442. 9-5-17) G. 1965 To Wor. for Mr. Coverley. c. to EH. EFC4/T9.10.17. X.3185 - PISTON RINGS IN SPECIAL METAL BY MESSRS. JOSEPH STUBBS LIMITED. In response to enquiries sent… | ||
| scan 159 | Requesting an analysis of a special metal for piston rings received from Messrs. Stubbs. Ltd. | ||
| View original record | To Na/Mr. Hall from EFC. X.3185.- PISTON RINGS IN SPECIAL METAL. from Messrs. Stubbs. Ltd. Herewith please receive sample of piston ring which we have received from the above mentioned firm. Will you… | ||
| scan 160 | Chemical analysis report for special metal piston rings from Messrs Stubbs Ltd. | ||
| View original record | R.R. 300 (120 m) (SC. 376. 23.2.16) E.P. 1262. X. 3185 59170 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Wd Order No.: Customer's No.: Laboratory Re: Piston rings in Special metal from Messrs Stubbs Ltd_… | ||
| scan 161 | The analysis and experimental use of special metal piston rings from Joseph Stubbs Ltd. | ||
| View original record | To O.O. from EFC. c. to By. EFC5/T22.10.17. X.3135 - PISTON RINGS IN SPECIAL METAL BY MESSRS. JOSEPH STUBBS LTD. Herewith please receive copy of Mr. Hall's analysis and remarks on the sample piston… | ||
| scan 162 | Laboratory report on the chemical composition and physical properties of special metal piston rings from Stubbs Limited. | ||
| View original record | X. 3185. 18 th October. 1917. Laboratory. PISTON RINGS IN SPECIAL METAL FROM MESSRS. STUBBS LIMITED. Suggested specification. .35 to .6 Combined carbon. 0.52 Not more than 3.0 Graphite. " 2.90 .7. to… | ||
| scan 163 | Query regarding pot castings and metal mixture for piston rings supplied by Messrs. Joseph Stubbs Ltd. | ||
| View original record | R.R. 288 A (770 H) (S.D. 442 9-5-17) G. 1985. EFC. from Wd. 2nd November, 1917. Wd5/NJ21117. X.3185 - Piston Rings in Special Metal by Messrs.Joseph Stubbs Ltd. Referring to yours EFC5/T221017, it… | ||
| scan 164 | From EFC to Mr. Hall requesting advice on altering the special metal mixture for piston rings from Messrs. J. Stubbs Ltd. | ||
| View original record | To Na, for Mr. Hall. from EFC. EFC5/T5.11.17. 85. [handwritten] X.3156 - PISTON RINGS IN SPECIAL METAL BY MESSRS. J. STUBBS LTD. With reference to the sample piston ring in the above metal which you… | ||
| scan 165 | Instructions on the casting process and required material properties for piston ring metal. | ||
| View original record | R.R. 28. (2M) S.D. (296. 15-3-17) M.P. 176550. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark 6 . 11 . 1917 Order No. Customer's No. Re. Piston Ring Metal. The piston rings should be cast in… | ||
| scan 166 | The chemical composition of a material. | ||
| View original record | Chemical Composition:- Combined Carbon .35 - .60% Graphitic Max of 3.00% Silicon 1.5 - 2.2% Manganese .70 - 1.2 Sulphur .06 - .12 Phosphorus .5 - .75: HCH | ||
| scan 167 | Urgent internal enquiry regarding the progress of piston rings in a special metal from Messrs. Joseph Stubbs Ltd. | ||
| View original record | To Wor. for Mr. Coverley. from EFC. Very urgent EFC4/T5.11.17. X.3185 - PISTON RINGS IN SPECIAL METAL BY MESSRS. JOSEPH STUBBS LTD. Will you kindly say how we are progressing with the piston rings in… | ||
| scan 168 | Concerning piston rings and a lubricant chart, with handwritten notes about vehicle component checks. | ||
| View original record | [Typed text, upside down] TO Mr. Coventry. FROM DRC. RE. LUBRICANT CHART - X.3182 Will you kindly say what has been done with the enclosed letter, enquiry from Mr. Wethered, also to be returned. to… | ||
| scan 169 | Experimental results of special metal piston rings from Joseph Stubbs & Co. | ||
| View original record | To Wd. from EFC. EFC/AT14.11.17 RE X.3185.-PISTON RINGS IN SPECIAL METAL FROM MESSRS. JOSEPH STUBBS & CO. With reference to your enquiries as to our experimental results on above rings, we have now to… | ||
| scan 170 | Instructions regarding piston rings made from a special metal, noting the breakage percentage is the same as standard rings. | ||
| View original record | R.R. 300 (120 B) (SC. 576. 25.2.16) E.P. 1262. X.3185 64632 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Hives Date: 19-11-19/7 Order No. Customer's No. Re: Piston Rings in Special metal X3185 We… | ||
| scan 171 | Summarizing reports on piston rings made from a special metal supplied by Messrs. J. Stubbs. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Wd. from EFC. EFC/AT20.11.17 RE X.3185.-PISTON RINGS IN SPECIAL METAL FROM Messrs. J. Stubbs. With further reference to the above we have now… | ||
| scan 172 | Acquisition and testing of steel for thrust bearings. | ||
| View original record | To EH. from BY. Copy to EFC. 26th September, 1917. BY13/G26917. RE THRUST BEARING STEEL - X.3186. Mr. Royce, in his memo Rl/B18717, recommended that we should obtain specimens of the steel which is… | ||
| scan 173 | Notification of receipt of high carbon steel for ball thrust bearings from Messrs. Thos. Firth & Sons Ltd. | ||
| View original record | R.H.C. By/Mr. Clark. 3.12.17. Wd/EM1/E31217. Dept. order 70669. 3186. [STAMP: DEC 3 EXP: 1917 RECEIVED] Please note we have received from Messrs. Thos. Firth & Sons Ltd. the following High Carbon… | ||
| scan 174 | Cover memo for instructions regarding an experiment on thrust bearing steel. | ||
| View original record | To Wor. for Mr. Coverley. EFC5/T3.1.18. X.3186 - RE THRUST BEARING STEEL Attached is a copy of Mr. Bailey's instructions BY13/G26917, in connection with the above experiment; EFC. R.R. 235B (200 T)… | ||
| scan 175 | Querying a stock discrepancy for steel required for thrust and roller bearings. | ||
| View original record | To Mr. Clark from RHC. c.c. to Mr. Mills. CANCEL RHC3/LG27.3.18. 27th March. 1918. Re - THRUST BEARING STEEL. X.3186. With reference to the above we note on Mr. Bailey's memo BY13/G27917 that we… | ||
| scan 176 | Requesting parts for the 'Eagle' engine carburetter petrol inlet pipe stays for the experimental department. | ||
| View original record | To | ||
| scan 177 | Cancellation notice for an experiment concerning the R.R.C.H. carburetter's petrol inlet pipe stays. | ||
| View original record | To Wor. for Mr. Coverley from EFC. EFC1/ATL1.10.17. X.3187.-R.R.C.H. Carburetter - Petrol Inlet Pipe Stays. Please note the above experiment instructed under By/JH9/DB26.9.17 is now cancelled.… | ||
| scan 178 | List of notable features for the Type H.C.7 carburettor. | ||
| View original record | X.3188 C O P Y POINTS WORTHY OF NOTE ON THE TYPE H.C.7 CARBURETTOR. ADJUSTABLE CONES. doing away with the necessity for changing jets; all full power adjustments being made by setting the cones into… | ||
| scan 179 | Visit from H.M. Hobson Ltd. regarding their new 'Type H.C.7' carburetter. | ||
| View original record | X.3188 To R. from Wd. c. to BJ. c. to By. 19th September. 1917. Wd/NJ19917. Claudel-Hobson Carburetters. This morning we have had a visit from Mr. Hamilton Hobson, Managing Director of Messrs. H.M.… | ||
| scan 180 | Copy of a memo regarding obtaining four improved Claudel Hobson Carburetters for an 'Eagle' engine experiment. | ||
| View original record | X.3188. COPY Wd. from EFC. X.3188 - To obtain 4 improved Claudel Hobson Carburetters. R6/W25917. H.M.Hobson Ltd. have undertaken to supply us with a set of these carburetters for experiment on one of… | ||
| scan 181 | The trial of a Claudel Hobson carburetter. | ||
| View original record | To Wd. from R. c. to EH. c. to BJ. St. Margaret's Bay, Sept. 26th 1917. X.3188 X.3188 - RE CLAUDEL HOBSON CARBURETTER R6/W25917. With reference to the Claudel Hobson people and their carburetter, they… | ||
| scan 182 | Letter to Messrs. H.M. Hobson Ltd. requesting to borrow Type H.C.7 carburettors for testing purposes on an 'Eagle' engine. | ||
| View original record | X.3188 Wd20/NJ51017. 5th October 1917. Messrs. H.M. Hobson Ltd., 29, Vauxhall Bridge Road., London, S.W.1. Dear Sirs, Type H.C.7 Carburetter. We shall be please to learn whether you are agreeable to… | ||
| scan 183 | Letter from H.M. Hobson, Ltd. regarding the supply of H.C.7 carburetters for experimentation on an Eagle engine. | ||
| View original record | X.3188 COPY. 8th October 1917. AJC/MW Wd20/NJ51017. Messrs. Rolls-Royce, Ltd., Nightingale Road., Derby. Dear Sirs:- We are in receipt of your letter of the 5th inst., regarding type H.C.7… | ||
| scan 184 | Formal order to Messrs. H.M. Hobson, Ltd. for two Type H.C.7 Carburetters. | ||
| View original record | X.3188 C O P Y. Wde4/NJ91017. 9th October, 1917. Messrs. H.M.Hobson, Ltd., 29, Vauxhall Bridge Road, London, S.W.1. Dear Sirs, We are in receipt of your letter AJC/MW, of the 8th inst. regarding Type… | ||
| scan 185 | Letter from H.M. Hobson, Ltd. confirming receipt of an order for two H.C.7 carburettors. | ||
| View original record | X.3188 C O P Y 10th October 1917. Your ref: Your Ref: AJC/MW Wd/NJ91C17. Messrs. Rolls-Royce, Ltd., Nightingale Road, Derby. Dear Sirs:- We are in receipt of your favour of the 9th inst., enclosing… | ||
| scan 186 | Notification regarding the receipt of two type HC7 Carburetters from Messrs. H. M. Hobson Ltd. | ||
| View original record | To { R.H.C. E.H } By Mr. Clark. 17.10.17. Wd/EM2/E171017. X.3188 Order 535. improved C.H. Carbs. Please note, we have received from Messrs. H. M. Hobson Ltd. two type HC7 Carburetters, 42 m/m choke.… | ||
| scan 187 | Letter from H.M. Hobson Ltd. requesting feedback on two H.C.7 carburettors sent for testing. | ||
| View original record | CONTRACTORS TO BRITISH AND ALLIED GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: VICTORIA 4670. (3 Lines.) TELEGRAMS: 'ASSEMBLAGE, LONDON.' MANUFACTURERS OF… | ||
| scan 188 | Letter to H.M. Hobson Ltd. regarding the fitting of H.C.7. carburettors to an 'Eagle' engine for testing. | ||
| View original record | R.R. 258 A (770 H) (S.D. 442 9-5-17) G. 1965 EH1/LC22.10.17. 22nd. Oct. 1917. X.3188 H.M.Hobson Ltd., 29 Vauxhall Bridge Road, L O N D O N S.W.1. Dear Sirs, For the attention of Mr.Davey. We are in… | ||
| scan 189 | Follow-up letter from H.M. Hobson Ltd. regarding test results for two H.C.7 Claudel-Hobson carburettors. | ||
| View original record | CONTRACTORS TO BRITISH AND ALLIED GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: VICTORIA 4670, (3 LINES.) TELEGRAMS: "ASSEMBLAGE, LONDON." MANUFACTURERS OF… | ||
| scan 190 | Letter to Messrs. Hobson Ltd. concerning a delay in testing H.C.7 carburettors. | ||
| View original record | EFC/AT17.1.18 X. 3188 17.1.18 Messrs. Hobson Ltd., Vauxhall Rd., London. S.W. Dear Sirs, RE H.C.7 CARBURETTERS. With reference to yours BAD/MW of the 15th inst., we have not so far, owing to pressure… | ||
| scan 191 | Testing new Claudel-Hobson carburettors on 'Eagle' and 'Falcon' engines. | ||
| View original record | R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. R11/W17.1.18. To Eh. from R. c. to BJ. X. 2950. X.3188. Re - Carburetters. We should be glad to know whether you have received the four latest type… | ||
| scan 192 | Upcoming testing of Claudel Duplex (H.C.7) carburettors and an inquiry for a new Zenith model. | ||
| View original record | X. 3188 To R. from EH. c. to BJ. EH5/LG22.1.18. X.3188 - CLAUDEL CARBURETTERS We have a pair of the latest Claudel Duplex (H.C.7) carburetters, we intend to test them at the first opportunity. The… | ||
| scan 193 | Letter from the Air Board Technical Dept. regarding the dispatch and procurement of carburettors for testing. | ||
| View original record | X3188 Telephone No.:- REGENT 8000. Trunk Calls and Telegraphic Address :-} "AIR MINISTRY," LONDON. Any further communication on this subject to:- CONTROLLER, Technical Dept., Technical Buildings,… | ||
| scan 194 | Reply to the Air Board about engine carburettors. | ||
| View original record | C3/C7318 S/W E.H. Handwritten: X 3188 Handwritten: Copies attached to report on R.R.C.B Carb. Handwritten: EH/LG 8.3.18 Re Carburettors for Rolls-Royce Engines. -------- On February 12th B.J. sent you… | ||
| scan 195 | Letter from the Air Board Technical Dept. requesting a reply regarding carburettors for engines. | ||
| View original record | COPY. Air Board Technical Dept., Embankment, London, W.C.2. 275/4552 A.P.D.E.Room S.316 March 5th 1918. Carburettor for Rolls-Royce Engines. to Messrs. Rolls-Royce, 14 & 15 Conduit St. London, W.… | ||
| scan 196 | Responding to an Air Board query about R.R.C.H. carburettors, disputing the results of R.A.F. tests. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X3188 To R. from EH. c. to CJ. c. to E. X 2959. [crossed out] X.3010. [crossed out] EH1/LGS.3.18. 8th March. 1918. R.R.C.H. CARBURETTERS. The Air… | ||
| scan 197 | Carburetter test results, the efficiency of the R.R.C.H. type, and a proposal to test an improved C.H.7 carburetter on an 'Eagle' engine. | ||
| View original record | Contd. -2- EH1/LGS.3.18. ---------- It would be of interest to us to have copies of tests in the air of the best consumptions which have been obtained on the other types of carburetters. With… | ||
| scan 198 | Reply to the Air Board regarding a letter about carburettors for engines. | ||
| View original record | C3/C7318. S/W EH. Re. CARBURETTERS FOR ROLLS-ROYCE ENGINES. On February 12th B.J; sent a copy of letter received from Lieut: Commander Barrington concerning Carburetters for Rolls-Royce engines. This… | ||
| scan 199 | Letter from the Air Board Technical Department requesting a reply concerning engine carburetters. | ||
| View original record | Air Board Technical Dept: Embankment, London. W.C.2. 275/4552 A.P.D.E. Room S.316 March. 5th. 1918. Carburetter of Rolls-Royce engines. to Messrs. Rolls-Royce, 14 & 15 Conduit St, London. W.… | ||
| scan 200 | Letter from the Royal Flying Corps regarding carburettor adjustments and throttle control issues on an experimental Eagle engine. | ||
| View original record | Testing Squadron, Royal Flying Corps, Martlesham Heath, Nr. Woodbridge. Messrs. Rolls-Royce Limited, Nightingale Road, DERBY. In reply to your letter dated 17th September No. EH1/LG17.9.17 No A/7446… | ||
| scan 201 | Report page concluding on an engine trial, noting good performance despite slight carburetter trouble. | ||
| View original record | Contd. -2- this seems to me to be very important point. The engine ran very well here apart from slight carburetter trouble, and as most of our trials were carried out at full throttle it had fairly… | ||
| scan 202 | Modifications to the Claudel-Hobson carburetter diffuser jet for Condor, Eagle, and Falcon engines. | ||
| View original record | R.R. 22a (400 T) (S.C. 536. 18-2-16) G. 1546. X3188 To EH. from E. c. to BY. c. to Da. c. to EFC. 29th July 1918. E2/G29718. X3188 X1853 X3010 RE CLAUDEL-HOBSON CARBURETTER DIFFUSER JET We have… | ||
| scan 203 | Modifications to the pilot jet tube for Condor, Eagle, and Falcon carburetters. | ||
| View original record | Contd . E2/G29718 . -2- 29th July.1918. Would you kindly arrange in connection with the "Condor" carburetter that the petrol supply holes to the pilot jet tube should be high enough not to receive… | ||
| scan 204 | Future design work procedures for the Claudel-Hobson jet. | ||
| View original record | R.R. 535 a (400 T) .S.C. 636. 15-2-16. G. 1546. -3- E2/G29718. Contd. practically in each case. We should be glad to hear from you so that we may know how to proceed in the future in design work… | ||