Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | The wiring arrangement for the Goshawk 11, requesting a complete set of drawings. | ||
| View original record | TO BY. FROM DA. c. to HS. ✔ ORIGINAL X4075 GOSHAWK WIRING. DA 2/M1.2.23. With reference to the wiring arrangement on 5.Goshawk 11, we have looked at it, and generally approve of it, but we should like… | ||
| Scan1 | Agreement to a permanent application of radius rods to the Goshawk front axle to correct steering geometry. | ||
| View original record | ORIGINAL TO CJ. BJ. FROM R. HS. BI. DA. EP. FN. EP. R1/M3.2.23. GOSHAWK STEERING. X4263 I agree to making a permanent application of radius rods to the front axle of Goshawk, to correct the inherent… | ||
| Scan2 | Design of bonnet shutters versus louvres for increased cooling capacity on the Goshawk. | ||
| View original record | ORIGINAL. TO BY. &. HS. FROM R. c.c. to CJ. GOSHAWK - INCREASED COOLING CAPACITY. X4240 Referring to your By6/P1223. If a shutter is advisable in preference to louvres in the side of the bonnet,(as I… | ||
| Scan3 | Development policy for the Goshawk and Seagull chassis, with a focus on universal joints. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL. TO HS. FROM R. c.c. to CJ. R1/M7.2.23. X9810 X3481 Y3324 RE. GOSHAWK 1. & SEAGULL. With reference to Goshawk 1. I think this should be made into… | ||
| Scan4 | With suggestions regarding compression, smoking, ignition, and starting handle for the E.A.C. Engine. | ||
| View original record | R.R. 725A (100 T) (S.H. 159 11-8-20) G. 2800 TO HS. RG. } FROM R. E. DA. } Copy to CJ. BJ. WOR. PN. BY. EP. ORIGINAL SECRET E. A. C. ENGINE. Many thanks for your report (1.2.24.) of the above, with… | ||
| Scan5 | Design of a new 40/50 water pump rotor using various materials. | ||
| View original record | TO HS. FROM R. c. to CJ. DA. c. to BY. E. 40/50 WATER PUMP ROTOR. X3472 Referring to your HS2/LG7223., we are design-ing all water pumps open pattern. I agree, if you wish to make a better one for the… | ||
| Scan6 | Preliminary General Arrangement drawing (N.sch. 1374) for the 'Seagull' project, noting it is not a final design. | ||
| View original record | TO B.Y. FROM DA. c. to CJ. WOR. HS. ORIGINAL. "SEAGULL". DA1/M9.2.23. X9810 We send you herewith N.sch. 1374 - General Arrange-ment of Seagull. This drawing is up-to-date at the moment but a good many… | ||
| Scan7 | Telegram from Royce requesting Hives to bring spare miniature ignition plugs. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ORIGINAL ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received: 12.40 Date: 12 2 23 To: Roycear Derby By: JNB from: Chichester 12/23 X4560… | ||
| Scan8 | Telegram received by telephone suggesting a meeting on Wednesday. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 X1918 ROLLS-ROYCE, LIMITED. ORIGINAL TELEGRAM RECEIVED BY TELEPHONE. Time Received 9-26 Date 12-2-23 To Roycar Derby By A.E.A. from 9-7 Chichester Hives… | ||
| Scan9 | Specifications for a starter motor's pinion, flywheel, and epicyclic reduction. | ||
| View original record | ORIGINAL SECRET TO HS. FROM E. c. to OJ. E. A. C. E1/M15.2.23. 9666 X.4901 - STARTER MOTOR. Further to our E6/M91222, in reply to EFC5/T301122, we expect to have a 2" starter pinion engaging with a… | ||
| Scan10 | Recommending battery ignition as the primary system for the Goshawk engine, with a magneto fitted as a standard reserve. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 TO HS. FROM R. c.c. to CJ. BJ. WOR. c.c. to BY. E. EP. ORIGINAL R1/M15.2.23. x.3537 RE. GOSHAWK - IGNITION. x3485 For the present I recommend that we… | ||
| Scan11 | Secret memorandum discussing the design and construction of experimental bodies for a 40/50 template chassis. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL. TO HS. FROM DA/EV. SECRET. E. A. C. DA/EV2/M20.2.23. X9810 I shall be going to London possibly on Thursday next week, and amongst other things… | ||
| Scan12 | Modifications to the exhaust choke valve control for the 40/50 chassis. | ||
| View original record | TO BY. FROM E. c. to CJ. c. to HS. ✓ c. to HP. ORIGINAL 40/50 CHASSIS. EXHAUST CHOKE VALVE CONTROL. X4305 X3436 With reference to your scheme No.468, we have drawn over this a modification on the… | ||
| Scan13 | Use of a G.S. Watford magneto for the Goshawk 11 ignition system. | ||
| View original record | TO BJ. FROM E. c. to HS. RE. GOSHAWK 11. IGNITION. In reply to your memo. BJ9/H22223. my impression is that Mr. Royce thought it very desirable for the sake of simplicity, neatness, and saving in… | ||
| Scan14 | Design and simplification of the Goshawk 11 cutout actuation mechanism. | ||
| View original record | ORIGINAL TO BY. FROM DA. DA1/M23.2.23. c. to HS. GOSHAWK 11. CUTOUT ACTUATION. y4269 Replying to By7/P21223., as we pointed out to HS. on his last visit, the cutout actuation shewn on N.sch.1304 was… | ||
| Scan15 | Secret memo regarding modifications to an experimental chassis, specifically the R.H. levers. | ||
| View original record | ORIGINAL TO HS. FROM DA/EV. SECRET. DA/EV3/M23.2.23. E. A. C. BODIES. X.9880 Thank you for your Hs4/LG21223., and the recommendation contained therein. The suggestion is that our drawings can be… | ||
| Scan16 | The fitting and road testing of a new thermostat for a Goshawk 11 engine, with design suggestions. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 TO HS FROM E. E1/M24.2.23. GOSHAWK 11. THERMOSTAT. X4240. 11. We have fitted the new thermostat to 5.Goshawk The old one was very difficult to get out,… | ||
| Scan17 | Magneto ignition for the Goshawk 11 engine, referencing correspondence with Messrs North. | ||
| View original record | TO BJ. FROM E. c. to HS. c. to BY. ORIGINAL E2/M24.2.23. GOSHAWK 11. MAGNETO IGNITION. X3557 Further to memo. E2/M23.2.23., I have hunted up the correspondence we had with Messrs North of Sep. 1921,… | ||
| Scan18 | Letter from North & Sons Ltd. discussing the supply and specifications of 6-cylinder magnetos. | ||
| View original record | C O P Y. Your Ref. E1/G8921. Our Ref. CHK/EH. NORTH & SONS LTD. Whippendell Road. Watford. 13th September 1921. Messrs Rolls-Royce Ltd. "Elmstead". West Wittering. Dear Sirs, We thank you for your… | ||
| Scan19 | Diagnosis and repair of a sticking thermostat for car 5.GOS: 11. | ||
| View original record | PHC TO HS. FROM E. ORIGINAL Hs E1/M27.2.23. X 4240 RE. THERMOSTAT FOR 5.GOS: 11. We return - under separate cover - the original thermostat from the above car. After fitting the new thermostat we… | ||
| Scan20 | Requesting a blueprint for the breather pipe from the crankcase to the hot air pipe on a 40/50 chassis. | ||
| View original record | ORIGINAL. TO HS. FROM E. c. to BY. HM. RE. BREATHER PIPE FROM CRANKCASE TO HOT AIR PIPE. 40/50 CHASSIS. E3/M27.2.23. X3908 With reference to memo. HM5/W26123., of which you have a copy, we do not… | ||
| Scan21 | Specifications and alterations for the 40/50 Dynamo and E.A.C. motor, including armature, carcase, and winding details. | ||
| View original record | R.R. 295A (100 T) (S.H. 159. 11-8-20) G. 2800 TO HS. FROM E. c.c. to CJ. ORIGINAL SECRET E. A. C. E1/M28.2.23. x9700 x4383 x9660 RE. RR. 40/50 DYNAMO, E.A.C.DYNAMO, AND E.A.C. MOTOR. Before leaving… | ||
| Scan22 | Starter motor drive ratios, voltage loss in circuits, and upcoming matters concerning the EAC gearbox and clutch. | ||
| View original record | R.R. 285A (100 T) (S.H. 159, 11-8-20) G. 2800 (2) equivalent to that of a main winding of the machine. It was also thought that with the motor on teaser circuit for the slow running, two volts would… | ||
| Scan23 | Requesting the average wear rate on Goshawk II clutches and comparative test results for three different Ferodo clutch fabrics. | ||
| View original record | ORIGINAL TO HS. FROM E. RE. CLUTCHES. X4244 X3409 Could you kindly say what is the average rate of measured wear on Gos. ll. clutches, say per 10,000 miles? Referring to the ferodo fabrics we are… | ||
| Scan24 | Request for a suitable box spanner and an adapter to fit and test new miniature spark plugs. | ||
| View original record | TO HS FROM E. ORIGINAL RE. SMALL SPARKING PLUGS. X4560 E3/M28.2.23. We duly received the ½ doz. new type miniature spark-ing plugs, but we are unable to fit these as we find there is no box spanner… | ||
| Scan25 | Results of tests on piston scraper rings and the advantages of the bevel ring design. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. ORIGINAL PISTONS - SCRAPER RINGS. Y4224 We have carried out tests as you suggested and have proved that the advantage in the bevel ring is due to… | ||
| Scan26 | Testing and failure analysis of a Bijur starter drive. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to E. c.c. to Ds. c.c. to BY. ORIGINAL. BIJUR STARTER DRIVE. Y3587 Y3592 We have tested and proved that oil will not cause the Bijur starter drive to fail. We have… | ||
| Scan27 | Comparing the Bijur and Bendix starter drives, noting future application to the 'Seagull' and 'Goshawk' projects. | ||
| View original record | contd:- -2- Bijur in preference to the Bendix Drive. The great advantage we hope for is that the teeth on the flywheel will last longer. With the standard Bendix, when the pinion is crashed into… | ||
| Scan28 | Investigation into the cause of carburettor whistle and two proposed lines of action to eliminate the noise. | ||
| View original record | To R. from Hs. c. to CJ. c. to L. c. to Da. c. to BY. ORIGINAL. Hs5/LG2. 2. 23. CARBURETTER NOISE. X4228 / X2768 With reference to the complaints on carburetter noise, we are carrying out two lines of… | ||
| Scan29 | Continuation of a report on carburetter noise tests, comparing different throttle types and air inlet configurations. | ||
| View original record | contd:- -2- entrance to the pipe half-way along the chassis, the noise from the carburetter is entirely eliminated. It is not until one arranges the air inlet in this way that one realises the amount… | ||
| Scan30 | Successful induction pipe experiments and suggestions for further tests on Seagull and Marmon engines. | ||
| View original record | ORIGINAL. To R. from Hs. c. to CJ. c. to E. Hs6/LG2.2.23. INDUCTION PIPES. X1692 X2758 X4227 We have succeeded in making an induction pipe with the carburetter fitted on the exhaust side of the engine… | ||
| Scan31 | Proposing a replacement driver, T. Maddocks, for the car '4.GOSHAWK.11' and outlining the travel plan to France. | ||
| View original record | ORIGINAL R. from Hs. Hs3/LG3.2.23. RE. DRIVER FOR 4.GOSHAWK.11. X4249 Owing to domestic reasons, it is inconvenient for Bullamore to be away from home at present. He has asked not to be sent away. We… | ||
| Scan32 | Extensive alterations and subsequent delays in preparing the Goshawk I car. | ||
| View original record | To R. from Hs. c. to E. ORIGINAL. Hs4/LG5.2.23. GOSHAWK 1. X3481 With reference to your telegram asking that this car shall be brought to W.W. this week. We are afraid this is impossible, but we are… | ||
| Scan33 | Outlining necessary improvements and features for the magneto on the 20 HP car. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. ORIGINAL. Hs5/LG6.2.25. MAGNETO FOR 20 HP. CAR. V3557 There are one or two points which have been brought out in running Magnetos on the 20 H.P.… | ||
| Scan34 | The unsuitability of fibre washers for petrol joints and a proposal to use cork or leather instead. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. ORIGINAL. PETROL JOINTS. X4228 X4226 On the 20 HP. carburetter we have a whole lot of petrol joints which have to be made tight by fibre washers.… | ||
| Scan35 | Modifications to reduce carburetter suction noise. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to E. c.c. to Ds. c.c. to BY. ORIGINAL. Hs4/LG6.2.23. CARBURETTER NOISE. X 4228 We have proved that if we do away with the annulus left between the spigot on the… | ||
| Scan36 | Achieving silence with a baffle for a long hot air pipe and sending a standardisation sheet. | ||
| View original record | contd:- -2- baffle we can obtain the same degree of silence as with the long hot air pipe. We are sending round a standardisation sheet for this. Hs. | ||
| Scan37 | Scheme for a spring control on the butterfly valve of an exhaust pipe to prevent throttle stickiness. | ||
| View original record | E. from Hs. ORIGINAL. SPRING CONTROL FOR BUTTERFLY VALVE X3436 This is the scheme suggested by R. in order to avoid any stickiness in the baffle in the exhaust pipe holding open the main throttle. We… | ||
| Scan38 | Proposed scheme for a stay to be fitted to the 40/50 swan neck. | ||
| View original record | To E. from Hs. ORIGINAL Hs3/LG7..2.23. STAY FOR 40/50 SWAN NECK. X4324 During our last visit to W.W., it was agreed that the stay should be fitted to the 40/50 swan neck similar to the one used on the… | ||
| Scan39 | Design considerations for the Seagull Dynamo, particularly regarding a reduction in carcase diameter. | ||
| View original record | To R. from EFC. c.c. W. c.c. Ry. ORIGINAL EFC1/17.2.23. RE SEAGULL DYNAMO. Y4010 With reference to your R2/M29.1.23, if the Seagull dynamo is to be designed as a pure shunt machine, and an external… | ||
| Scan40 | Excessive wear on the 40/50 HP water pump rotor and a proposal for a new design. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. ORIGINAL. Hs2/107.2.23. 40/50 H.P. WATER PUMP ROTOR. V3472 Excessive wear on the water pump rotor and bushes is a very common complaint on the… | ||
| Scan41 | Road test results comparing standard radiator tubes with new indented tubes for improved cooling efficiency. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to E. c.c. to Ds. c.c. to BY. ORIGINAL. Hs5/LG7.2.23. RADIATOR TUBES. X4407 Sometime ago we saw in the American Technical Journals that the efficiency of the radiator… | ||
| Scan42 | From Hs. to R. regarding the delivery of the 'Goshawk 1' car and a planned meeting. | ||
| View original record | To R. from Hs. ORIGINAL. Hs2/LG9.2.23. GOSHAWK 1. V1898 We expect to have this car ready at the end of next week. Unless anything unforeseen happens to it, I shall arrive at W.W. with it on Friday… | ||
| Scan43 | Testing of a thermostat for a 5-Goshawk-11 engine. | ||
| View original record | E. from Hs. ORIGINAL Hs1/LG10.2.23. THERMOSTAT FOR 5-GOSHAWK-11. X4240 We are sending to you another Thermostat for 5-Goshawk-11. We should like to hear from you at what temperature this operates the… | ||
| Scan44 | Cover letter for two reports comparing the wear of different rubbing blocks and testing tungsten contact points. | ||
| View original record | To R & E from EFC. c.c. GJ. & FH. c.c. Hy. AHP. c.c. Rg. & Dr. X.2894 - TUNGSTEN CONTACT POINTS Herewith please receive copies of two reports dealing with endurance tests of Goshawk contact breaker… | ||
| Scan45 | Endurance test report on the Goshawk Distributor, focusing on the wear of the bakelite rubbing block. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.G. Order No: PB-63 Customer's No: X 3485. Endurance Test of Goshawk Distributor This test was run mainly with… | ||
| Scan46 | Instruction sheet detailing a test to measure the wear on various distributor components. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Date: Oct. 30th 1922 Order No: P.B. 63 Customer's No: X 3485. so as to get the maximum of wear of the… | ||
| Scan47 | Instruction sheet detailing wear and corrosion on a distributor head, spring, and rubbing block. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Oct 30th 1922 Order No P.B. 63. 3. Customer's No. X 3485. the distributor head also appear to be slightly… | ||
| Scan48 | Endurance test report for parts fitted to the Goshawk ignition system. | ||
| View original record | ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Date: Jan 29th 1923 Order No: P.B. 77 Customer's No: X.2894 X4357 Endurance Test Of Parts Fitted To Goshawk Ignition The bench Goshawk ignition rig has… | ||
| Scan49 | Testing contact points and comparing the wear of a grey fibre rubbing block with a bakelite block. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B. 77 (2) Customer's No. X 2894 X 4357 Jan. 29th 1923. the result of the manner of the deposition… | ||
| Scan50 | Test report detailing fibre wear creating dust that covered components, leading to corrosion and wear on ignition parts. | ||
| View original record | RR 238-(300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC. Order No: P.B. 77 (3) Customer's No.: X 2894 X 4357. Jan. 29th 1923. fibre was worn away, was powdered into a… | ||
| Scan51 | Comparative test report on Raybestos and Ferodo clutch fabrics for a 20 HP clutch. | ||
| View original record | To R. From Hs. c. to CJ. c. to E. c. to Ds. c. to BY. ORIGINAL. Hs1/LG16.2.23. RAYBESTOS CLUTCH FABRIC. X870 X3409 We have tested Raybestos fabric on a 20 HP. clutch. The rings were fitted to the… | ||
| Scan52 | The loss of friction coefficient in brake liners and clutch material from supplier Ferodo Ltd. | ||
| View original record | contd:- -2- manufacturer's claims after it has been in use. We are in constant communication with the Ferodo people on this point. For a considerable time we have impressed upon them the fact that in… | ||
| Scan53 | Letter from Ferodo Ltd. detailing the test results of a 20 HP plate clutch lining. | ||
| View original record | COPY. Ferodo Ltd. Sovereign Mills, Chapel-en-le-Frith, Eng. FJF/MVH. Jan. 30th. 1923. Messrs. Rolls-Royce Ltd., Nightingale Rd., DERBY. Dear Sirs, Attention of Mr. Bailey. Re. 20 HP. PLATE CLUTCH.… | ||
| Scan54 | Test results for Ferodo Bonden Asbestos plate clutch linings against different plate materials. | ||
| View original record | Copy of Test Results. Taken on Ferodo Bonden Asbestos Plate Clutch Linings. Rolls-Royce Size 10.5" O.D. 8.4" I.D. | R.P.M. | Torque. | H.P. | Pressure lbs. | C.O.F. | Temp. | Remarks. |… | ||
| Scan55 | Letter from Ferodo Ltd. regarding test results and recommendations for a 20.HP plate clutch lining. | ||
| View original record | Copy FERODO LTD. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. Eng. FJF/MVH. January 30th 1923. (Tuesday) Messrs Rolls Royce Ltd. Nightingale Road, D E R B Y. Dear Sirs, Attention of Mr.Bailey.… | ||
| Scan56 | The second page of a letter from Ferodo Limited's Chief Engineer, inviting the recipient to witness a test run. | ||
| View original record | - 2 - If you care to see the test run here we shall be glad to give you the opportunity at any time on receipt of an hour or two's notice. Yours faithfully, F E R O D O L I M I T E D. F. J. Field.… | ||
| Scan57 | Test results for Ferodo bonded asbestos plate clutch linings. | ||
| View original record | Messrs Rolls Royce. January 29th, 1923. Copy of Test Results. Taken on Ferodo Bonded Asbestos Plate Clutch Linings. Rolls Royce Size 10.5" O.D. 8.4" I. D. R.P.M. TORQUE. H.P. PRESSURE lbs. C.O.F.… | ||
| Scan58 | Testing of miniature Bosch sparking plugs on a Goshawk-11 engine for sooting issues. | ||
| View original record | To E. from Hs. ORIGINAL Hs3/LG22.2.23. MINIATURE BOSCH SPARKING PLUGS. X4570 We are sending you under separate cover today - 6 Miniature Bosch sparking plugs of the latest design. We should be pleased… | ||
| Scan59 | The spare wheel carrier bolt for 20 HP cars working loose and requiring a locking mechanism. | ||
| View original record | ORIGINAL To R. From Hs. c. to CJ. c. to E. c. to Da. c. to BY. Hs4/LG22. 2. 23. SPARE WHEEL CARRIER FOR 20 HP. CARS. X4085 X4219 There have been several instances of the bolt fixing the spare wheel on… | ||
| Scan60 | Discussion with Mr. Royce regarding the necessity and choice of a magneto ignition system for the Goshawk engine. | ||
| View original record | To BJ. from Hs. c. to E. ORIGINAL Hs2/LG23.2.23. X 3551 GOSHAWK 11. MAGNETO IGNITION. Mr. Royce did not express himself clearly why he thought a new magneto was necessary instead of using the Watford… | ||
| Scan61 | Choice of magneto ignition for the 20 HP car, comparing the E.O.6 magneto with a new automatic advance version. | ||
| View original record | contd:- -2- ignition with such obvious limitations. The first customer who used the magneto would complain. Our own point of view is that instead of thinking of fixing a magneto ignition which is… | ||