Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | Telegram from Royce to Hives regarding a defective dashboard and arranging for a replacement. | ||
| View original record | Roycar Derby X4270 X4239 Hives if dashboard to Lec 1424 and 1427 is still defective fit three sixteens solid sheet aluminum we are arranging the universal joint to be drilled To destroy the suction… | ||
| Scan1 | The modification and standardisation of 'Goshawk II' cylinder plugs. | ||
| View original record | To DA. from E. Copy to CO. WOR. HS. [Struck through] HY. [Struck through] ORIGINAL 2 E2/G3/9/21. X4225 RE "GOSHAWK II" CYLINDER PLUGS AND MODIFICATIONS. We send you herewith drawing Lec. 1440 shewing… | ||
| Scan2 | Letter concerning drawings for the 'Goshawk II' throttle and ignition control gear. | ||
| View original record | To DA. From E. Copy to C.T. T.D. D.Y. H.S. ORIGINAL RECEIVED X4239 EL/G3/9/21. 2 RE "GOSHAWK II" CONTROL GEAR. We send you herewith drawings Lec.1438 and LeC. shewing the throttle control mechanism… | ||
| Scan3 | Drawings for 'Goshawk II' controls and suggesting temporary manufacture from brass castings. | ||
| View original record | ORIGINAL RECEIVED SEP 05 1921 To HS. from R. Copy to CJ. R3/G3/9/21. X4239 RE "GOSHAWK II". I hope you will be able to get a satisfactory set of controls from the drawings which should be with you on… | ||
| Scan4 | Modifications to the 'Goshawk II' control gear accelerator pedal and shaft. | ||
| View original record | To DA. from E. Copy to Gd. " " WOR. " " MS. " " BY. ORIGINAL. 2. EL/66/9/21. X4239 RE "GOSHAWK II" CONTROL GEAR. We send you herewith drawing LeC.1441 shewing the accelerator pedal and shaft with… | ||
| Scan5 | Oil leak in the Goshawk II propeller shaft, attributing it to a vacuum effect and proposing a solution. | ||
| View original record | TO EY. from R. Copy to CJ. # HS. X4255 ORIGINAL 1921 R8/G7/9/21. 2 RE "GOSHAWK II" PROPELLER SHAFT. RECEIVED You will see by the memo to Mr. Hives that we consider it is the vacuum which is pulling… | ||
| Scan6 | Telegram received by telephone regarding the assembly of steel and fabric discs. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ORIGINAL. M.D. ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. X4219 Time Received 9.37 Date 7 . 9 . 21 By GH from lehichester 9.11 RECEIVED SEP 1921… | ||
| Scan7 | Telegram received by telephone concerning a joint of the largest possible diameter. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date 2 To By from joints. of largest possible diameter FROM Roycar? THIS SHEET MUST BE… | ||
| Scan8 | Telegram from Royce enquiring about Hives' expected arrival time at Wittering with a Hawk engine. | ||
| View original record | POST OFFICE TELEGRAPHS. ORIGINAL Handwritten Ref: X42-19 No. of Telegram: 11 Office Stamp: DERBY 8 SP 21 Sent: 10 32 M To: Derby By: APM Reference: 1320 Handed in at: 9 37 Office of Origin: Chichester… | ||
| Scan9 | Potential trial, weak patents, and mechanical action of the 'Flexo' Gear Box. | ||
| View original record | ORIGINAL To R.R. of America Inc. from R. (For the attention of OY.) Copy to CJ. " " HS. x4409 R3/G7/9/21. 2 RE "FLEXO" GEAR BOX. Referring to the Flexo Gear Box, this is extremely interesting, and I… | ||
| Scan10 | To R.R. of America regarding the freezing of filters in the back tank, a problem unfamiliar due to gentle English winters. | ||
| View original record | ORIGINAL To R.R. of America Inc. from R. (For the attention of OY.) Copy to CJ. HS X3701 X4160 RE FREEZING UP OF FILTER IN THE BACK TANK. 3 R4/G7/9/21. With reference to your remarks concerning the… | ||
| Scan11 | The 'Goshawk II' propeller shaft, warning that drilling it would destroy the vacuum for oil extraction. | ||
| View original record | To HS. from R. Copy to CJ. [struck through] " " EY. [struck through] ORIGINAL 1 R7/G7/9/21. RE "GOSHAWK II" PROPELLER SHAFT. Drilling the propeller shaft as shewn in Mr. Stent's sketch would destroy… | ||
| Scan12 | Hand-drawn schematic showing a temporary modification to the Goshawk II Propeller Shaft. | ||
| View original record | ORIGINAL X4255 GOSHAWK II PROPELLER SHAFT FRONT END These 8 holes to be Drilled in Coldrilling of Test Bed engine Gos II 4 - .187 HOLES 4 - .187 HOLES .093 4 - .187 HOLES AFTER FLATTING CORNER LOCALLY… | ||
| Scan13 | Sending drawing Lec.1445 for a new battery box lid fastening, approved by Mr. Royce, for testing. | ||
| View original record | To DA. from E. Copy to C.J. " " MOR. " " HS. " " BY. ORIGINAL E2/G13/9/21 X.3680c RE BATTERY BOX LID FASTENING - 40/50 H.P. We send you herewith drawing Lec.1445 shewing the battery box lid fastening… | ||
| Scan14 | Request to obtain particulars of standard Micarta Bakelite sheet and tubing for experimental work. | ||
| View original record | To BY. from DA. Copy to EFC. ORIGINAL. 2 DA6/G8/9/21. X.3513, RE BAKELITE MICARTA. Mr. Royce has asked us to obtain particulars of the standard thicknesses in which it is possible to buy Micarta… | ||
| Scan15 | Modifications to the 'Goshawk II' crankshaft to deal with torsional effects. | ||
| View original record | To HS. from E. Copy to G.L. [strikethrough] " " WOR. [strikethrough] " " BY. [strikethrough] " " DA. [strikethrough] ORIGINAL. E1/G13/9/21. 2 X4221 RE "GOSHAWK II" CRANKSHAFT. Referring to "Goshawk… | ||
| Scan16 | Cause of noise in the 'Goshawk II' gearbox, considering the reverse pinion and ball bearings. | ||
| View original record | To HS. from R. Copy to CL. ORIGINAL. X4247 RE "GOSHAWK II" GEAR BOX. We should be glad to know if you think the noise is due to the reverse pinion. You will remember that you thought it might be due… | ||
| Scan17 | Drawing No.Lec.1446 showing five schemes for the 'Goshawk II' Clutch plate. | ||
| View original record | To DA. from E. Copy to C.J. " " WCR. " " HS. ✓ " " DY. ORIGINAL. E1/G15/9/21. 2 X42 44 RE "GOSHAWK II" CLUTCH. We send herewith drawing No.Lec.1446 shewing five schemes for dealing with the "Goshawk… | ||
| Scan18 | Requesting torsional deflection data for the Goshawk II crankshaft and particulars of its springs. | ||
| View original record | [Stamped] ORIGINAL [Handwritten] 3. To HS. from E. [Strikethrough]Copy to OJ.[/Strikethrough] [Strikethrough]" " WOR.[/Strikethrough] [Strikethrough]" " RY.[/Strikethrough] E5/G16/9/21. X4222 RE… | ||
| Scan19 | Drawing No. LeC. 1448 for the 'Goshawk II' carburettor, detailing a revision to the petrol strainer and noting an objection from Mr. Royce. | ||
| View original record | To DA. from E. Copy to Gd. " " WOR. " " HS. ✓ " " RV. ORIGINAL. 2 E6/G16/9/21. X.4228 RE 'GOSHAWK II' CARBURETTOR. We send herewith drawing No. LeC. 1448 giving particulars of the larger float chamber… | ||
| Scan20 | Design specifications for a cast iron piston for the Goshawk II engine. | ||
| View original record | To EA. from E. Copy to CJ. " " WOR. " " HS.✓ " " HX. ORIGINAL RECEIVED X4224 RE CAST IRON PISTON FOR "GOSHAWK II" - LEC.1447. We send you herewith the above drawing which will enable you to test cast… | ||
| Scan21 | Decision to retain the parallel form of connecting rod for the Goshawk II engine. | ||
| View original record | To BY. from E. Copy to HS. ORIGINAL. E9/G16/9/21. X4223 RE "GOSHAWK II" CONNECTING RODS. As Mr. Hives probably told you, it was decided at West Wittering to retain the parallel form of connecting rod… | ||
| Scan22 | Modifications to the Goshawk II petrol tank and brake levers. | ||
| View original record | To BY. from E. Copy to HS. E1/G19/9/21. 2 ORIGINAL X4266 RE "GOSHAWK II" PETROL TANK. In reply to your memo BY14/P15/9/21, we are shortening the petrol tank here about .375" at each end and sloping… | ||
| Scan23 | Material choice for the 'Goshawk II' distribution board, changing from Bakelite to aluminium. | ||
| View original record | To BY from E. Copy to HS. X4410 RE "GOSHAWK II" DISTRIBUTION BOARD. E8/G19/9/21. With reference to your memo BY2/P15/9/21, it was decided some months ago in discussion with Mr. Royce down here, to… | ||
| Scan25 | Drawings for the 'Goshawk II' crankshaft spring drive and an alternative scheme to overcome friction issues. | ||
| View original record | To DA. from E. Copy to C.J. Works H.S.✓ RECEIVED SEP 23 1921 ORIGINAL EL/021/9/21. X4222 X4221 RE "GOSHAWK II" CRANKSHAFT SPRING DRIVE. We send you herewith drawings Lec.1449 and Lec.1450 shewing the… | ||
| Scan26 | With sketches suggesting a design improvement for the spring anchorage on a new type Lucas cutout. | ||
| View original record | To EFC. from E. Copy to CJ. " " HS. " " BY. X.4349 [STAMP: ORIGINAL] [STAMP: FO RECEIVED SEP 1921] RE LUCAS NEW TYPE BOX. Referring to the new type Lucas cutout, sample of which was brought to West… | ||
| Scan27 | Alteration of the Goshawk II oil pump casing from aluminium to gunmetal. | ||
| View original record | To DA. from E. Copy to C.J. WO. HS. DY. ORIGINAL E3/G22/9/21. 2 X4232 RE "GOSHAWK II" GUNMETAL OIL PUMP CASING. We send you herewith drawing No.Lec.1453 shewing the alteration necessary to the oil… | ||
| Scan28 | Explaining the operation of the Goshawk II double throttle controls, referencing drawing No. Lec.1454. | ||
| View original record | To DA. From E. Copy to Gdv. (Struck through) " " HS. ✓ -- -- DY. ORIGINAL: E2/G22/9/21. 2. x4239 RE "GOSHAWK II" CONTROLS. We send you herewith drawing No.Lec.1454 illustrating the "Goshawk II"… | ||
| Scan29 | Telegram inquiring about results for a cowling over the radiator on a 40/50 chassis. | ||
| View original record | Office of Origin: West Wittering. To: Roycar Dept. Message: Hives has any result been obtained with cowling over radiator for 40/50 chassis. Day | ||
| Scan30 | The revision of drawing No. LeC.M55 for the 'Goshawk II' carburettor. | ||
| View original record | To DA. from E. Copy to Gd. " " WOR. " " HS. " " DY. ORIGINAL. 2 E1/G26/9/21. RECEIVED SEP 28 XC4228 RE "GOSHAWK II" CARBURETTOR. We send you herewith drawing No.LeC.M55 shewing a revision of the… | ||
| Scan31 | Directive regarding the standardisation of iridio-platinum contact points and condenser capacity to reduce sparking. | ||
| View original record | To EFC. from R. Copy to CJ. " " WOR. " " EP. " " HS. " " PN. ORIGINAL RECEIVED SEP 1921 R2/G29/9/21. X.3656. X2512. RE IRIDIO-PLATINUM CONTACT POINTS WITH A MUCH SMALLER AMOUNT OF PLATINUM THAN… | ||
| Scan32 | The 'Goshawk II' switchbox drawing. | ||
| View original record | To BA. from E. Copy to CJ. " " WGR. " " HS.✓ " " DY. ORIGINAL E1/G29/9/21. X.4081/ RE "GOSHAWK II" SWITCHBOX. We send you herewith drawing No.Lec. 1456 shewing the above. FC OCT 1 1921 RECEIVED. | ||
| Scan33 | Results of comparative tests on Bakelite and 'ELO' mouldings. | ||
| View original record | To EFC. from R. Copy to CJ. ORIGINAL R7/G29/9/21. X.3513 - COMPARATIVE TESTS OF BAKELITE AND "ELO" MOULDINGS. Thank you for your report (EFC3/T15/9/21) Specific gravity is less than we thought, and is… | ||
| Scan34 | Issues with the petrol tank, spring drive, and radiator on the Goshawk 11 model. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to E. c.c. to Da. c.c. to HY. c.c. to Wor. c.c. to EP. ORIGINAL HS4/LG2. 9.9.31. GOSHAWK 11. X4219 Petrol Tank. The petrol tank on Goshawk 11. fouls the brake levers on… | ||
| Scan35 | On the experimental testing and analysis of a U.S.A. Bosch battery ignition system's coil and condenser. | ||
| View original record | ORIGINAL To R. & M. from EFC. c. to CJ. & FN. c. to Hy. & EF. c. to Re. & Da. c. to R.R. of America Inc. EFC2/15.9.31. X.4275 - U.S.A. BOSCH BATTERY IGNITION. X3485 We have had very little opportunity… | ||
| Scan36 | Technical memo comparing condenser capacities and various battery ignition systems, including Goshawk II and Bosch. | ||
| View original record | EFC2/T5.9.21. -2- Contd. connections of the condenser contained in his E2/G&I.6.21, this has been answered by Mr. Olley's notes on the condenser contained in his OY1/G18.7.21, in which he states that… | ||
| Scan37 | Experiences with Peto & Radford batteries and procuring a new battery for the Goshawk. | ||
| View original record | R.R. 235A (100 T) (S.B. 798. 10-12-20) G. 2947 ORIGINAL. To R. from EFC. c. to CJ. c. to PH. c. to Da (Camacha) c. to Hy. EFC./TB.9.21. X.3398 - PETO & RADFORD BATTERIES. We duly received your note… | ||
| Scan38 | Pre-ignition issues caused by over-heated Champion ignition plugs, their failures, and potential design flaws. | ||
| View original record | ORIGINAL 6 To R.R. of America Inc. from R. (For the attention of Gr.) Copy to ~~SGB.~~ HS. R16/G5/9/21. RECEIVED X4196 X4795 RE IGNITION PLUGS. X 1812? X4305 extract In some of your descriptions you… | ||
| Scan39 | Spark plug selection, balancing heat characteristics, and engine distribution improvements. | ||
| View original record | To R.R. of America. from R. -2- R16/G5/9/21 Contd. we have known it to occur badly, and have had to select the plugs accordingly. You will remember that it is just as important to have a plug in which… | ||
| Scan40 | The leakage of charge test for the latest standard Chloride 6RXE5 12-volt battery after standing for six months. | ||
| View original record | ORIGINAL. To R & E. from EPC. c. to CJ. AFN. c. to Rg. & Da. c. to R/ & EP. c. to R.R. of America Inc. EFCS/16.9.21. x3980 LEAKAGE OF CHARGE TEST OF LATEST STANDARD x4288 CHLORIDE 6RXE5 12 VOLT… | ||
| Scan41 | Battery discharge capacity test to diagnose the cause of capacity loss. | ||
| View original record | Contd. -2- EFC5/T6.9.21. The battery is now being charged up and a discharge capacity test will be taken to see whether the cells are still capable of their full capacity. If this is the case, it will… | ||
| Scan42 | Performance of a standard starter motor with a specific field coil arrangement. | ||
| View original record | ORIGINAL To R. A & E. from EPC. c. to CJ. & FN. c. to Hy. & Da. c. to Rg. & EP. c. to R.R. of America Inc. EPCB/T8.9.21. X.4399 - R.R. STANDARD STARTER MOTOR WITH FIELD COILS TWO SERIES TWO PARALLEL.… | ||
| Scan43 | Analysis of engine starting performance, comparing two series two parallel winding schemes and the impact of battery and cable resistance. | ||
| View original record | Contd. -2- a very bad characteristic the high resistance motor might even turn the engine faster. It has been confirmed by tests on the car that the advantage of the two series two parallel scheme is… | ||
| Scan44 | Comparison of battery performance under high-rate discharge, listing various tested models. | ||
| View original record | Contd. -3- EPCS/T8.9.21. is satisfactorily less than the figure .015 when the battery is fully charged, or after a considerable rest, but on a discharge of this magnitude being allowed to take place,… | ||
| Scan45 | Broken valve spring washer and engine gear noise on a Goshawk 11 engine, suggesting modifications based on the 40/50 engine design. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. c. to Wor. ORIGINAL. Hal/LG13.9.21. GOSHAWK 11. X4219 We have had one of the valve spring washers break on Goshawk 11. engine on the… | ||
| Scan46 | Investigation into clutch jagger and top speed gear issues by testing a second Goshawk engine and gearbox unit. | ||
| View original record | contd. -2- Hel/LG13.9.21. **************** Since our return from W.W. we have taken out the engine and gear box unit which was running on the car, in order to go into the question of - why the clutch… | ||
| Scan47 | Suitability and modification of dynamos and motors from various manufacturers for the Goshawk II electrical system. | ||
| View original record | R.R. 285a (100 T) (S.H. 159. 11-8-20) G. 2800 ORIGINAL. EFC2/T13.9.21. R. & E. from EPC. c. CJ. & PN. c. By. & Da. c. Rg. & EP. c. Hm. c. R.R. of America Inc. X.4359. X.4342. X.4341. RE DYNAMOS AND… | ||
| Scan48 | The performance and testing of C.A.V. dynamos and motors, including issues with commutators. | ||
| View original record | -2- Contd. of their visit. Since Mr. Glaser's appointment, he has been carefully going over their dynamos. Sometime previously, the C.A.V. had sent us a curve of output of the small dynamo they have… | ||
| Scan49 | Testing a high-current motor for the 40/50 chassis and necessary modifications. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 Contd. -3- EFC2/T13.9.21. and stated that he would probably be improving the motors in this respect. The motor we have obtained for the 40/50 takes such a… | ||
| Scan50 | Notes on batteries, starter cables, and starter motors. | ||
| View original record | ORIGINAL B ✓ To R & E. from EFC. c. CJ. & PN. ✓ c. Hy. & Da. ✓ c. Rg. & EP. c. R.R. of America Inc. X664 X543 X802 RE BATTERIES, STARTER CABLES AND STARTER MOTORS. Further to our EFC5/T8.9.21, we have… | ||
| Scan51 | Defining a limit for the virtual internal resistance of a battery for operating the starter motor. | ||
| View original record | EFC1/T13.9.21. -2- Contd. that the E.M.F. remains at the figure 12.00 and that the difference between actual terminal voltage and this figure is due to an apparent internal ohmic resistance which we… | ||
| Scan52 | Continued page detailing battery discharge testing procedures and specifications. | ||
| View original record | EFC1/T13.9.21. -3- Contd. easily for a period of 5 minutes. Other batteries e.g. our present standard with modifications have been capable of this for 2½ minutes only (only one trial); the U.S.A.… | ||
| Scan53 | Continued report discussing battery and starter motor characteristics, referencing previous notes and S.A.E. standards. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 Contd. -3- EFC1/T13.9.21. any battery it is desired to try need only be connected up, the reading taken immediately and its condition ascertained, the… | ||
| Scan54 | Starter motor performance, comparing its battery system to American 12-volt systems and evaluating alternative batteries. | ||
| View original record | R.R. 985A (100 T) (S.H 159. 11-8-20) G. 2800 EFC1/T13.9.21. -5- Contd. of 1 volt drop from 12 volts per 50 amperes is more suitable for some ~~test~~ purposes, at any rate, in the case of our own… | ||
| Scan55 | Results of starter motor brake tests and the merits of plotting data on a torque base versus an ampere base. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC1/T13.9.21. -6- Contd. Referring to Mr. Olley's note Cyl/G16.7.21 re starter motor brake tests, in which he made certain remarks (see our report… | ||
| Scan56 | Tests and pricing of iridio-platinum contact points with a reduced platinum content. | ||
| View original record | R.R. 285A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL To R & E. from EFC. EFC4/T14.9.21. c. CJ. & PN. c. Ey. & Da. c. Rg. & EP. c. R.R. of America Inc. X.3656 - IRIDIO-PLATINUM CONTACT POINTS WITH A… | ||
| Scan57 | The testing of irido-platinum contact points, detailing wear, misfiring, and rusting issues. | ||
| View original record | R.R. 285A (100 T) (S.H. 159, 11-8-20) G. 2800 EFC. AB.22. 9th Sept. 1921 X.1818 -X.3656. IRIDO-PLATINUM CONTACT POINTS. (IPE-IPC) These sets, from Messrs. Reynolds, have the points welded on steel… | ||
| Scan58 | Sparking, rusting, and testing of iridio-platinum distributor points. | ||
| View original record | -2- Contd. at break, as sparking has sometimes been seen between the blade and the roller in contact with it. It would be interesting therefore to interpose a small piece of insulation here, and see… | ||
| Scan59 | Cover note for an attached report on the comparative tests of Bakelite and 'Elo' mouldings. | ||
| View original record | ORIGINAL. To R from EFC. c. CJ. EFC3/T15.9.21. X.3513 - COMPARATIVE TESTS OF BAKELITE AND "ELO" MOULDINGS. We attach copy of my assistant's report of July 7th on the above tests which we omitted to… | ||
| Scan60 | Comparative tests of Bakelite and Elo mouldings, detailing fracture, absorption, and heat resistance. | ||
| View original record | R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC. AB.10. 7th July, 1921 X.3513 - COMPARATIVE TESTS OF BAKELITE & ELO MOULDINGS. The two sample coil discs submitted by Mr. Brock have been put through… | ||
| Scan61 | Continued report on materials testing, comparing the properties of Bakelite and Elo in sulphuric acid. | ||
| View original record | R.R. 285A (100 T) (S.H. 159, 11-8-20) G. 2800 -2- Contd to be unaffected. They were now placed in sulphuric acid, density 1350, and left for 24 hours. It was noted that the Bakelite just sank in this… | ||
| Scan62 | Recommending the reconsideration of the Goshawk 11 petrol level indicator due to unreliability from rusting. | ||
| View original record | To R. From Hs. c.c. to CJ. c.c. to E. c.c. to Dn. c.c. to EY. c.c. to EP. c.c. to EWT. for R.R.Inc. ORIGINAL Hs3/LG15.9.21. X3896 X4219 GOSHAWK 11, PETROL LEVEL INDICATOR IN TANK. Mr. Olley has… | ||
| Scan63 | Request for the return of a Marmon switch, a Bosch switch, and a Speedometer Drive due to high costs and immediate need. | ||
| View original record | E. from Hs. ORIGINAL Hs4/LG15.9.21. X800 Will you please have returned to Derby the Marmon switch and the Bosch Switch. We particularly require the Bosch switch because Springfield have asked us to… | ||
| Scan64 | Testing and adoption of Bakelite-Micarta bushes for magnetos in place of fibre bushes. | ||
| View original record | To R. from Hs. c. to CJ. c. to Da. c. to BY. c. to EP. c. to Wd. c. to EWI. for R.R. Inc. ORIGINAL 3 HS5/LG16.9.21. X.430. MAGNETOS, X 3513 - X 4375 - X.4411 We have been running Bakelite-Micarta… | ||
| Scan65 | Recommendation to immediately obtain and fit Bakelite-micarta bushes to magnetos on all cars in hand. | ||
| View original record | Contd. -2- H25/LCL6.9.21. ************** upsets the adjustments of the points. We recommend that we should immediately obtain Bakelite-micarta bushes and fit to magnetos on all cars we have in hand.… | ||
| Scan66 | Modification scheme for existing axles to overcome failing single thrust bearings. | ||
| View original record | R.R. 285A (100 T) (S.H. 798, 10-12-20) G. 2947 To E. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. c. to Wor. ORIGINAL Hs2/LG17.9.21. X4150 THRUST FOR GLEASON BEVEL PINION TAKEN ON JOURNAL… | ||
| Scan67 | The modification and testing of journal and thrust bearings for axles. | ||
| View original record | contd+ -2- HS2/LG17.9.21. -------------------- We have used the existing journal bearing in making this alteration. This journal bearing has slots. It might be advisable to obtain from Messrs.… | ||
| Scan68 | The importance of maintaining an efficient oil film and the problems of using thick oil in winter. | ||
| View original record | R.R. 235e (100 T) (S.H. 798, 10-12-20) G. 2948 Contd. -3- Hs2/LG17.9.21. ----------- the reverse load. The success of the plain thrust scheme depends entirely on maintaining an efficient oil film.… | ||
| Scan69 | Diagrams and functionality of the 'Goshawk II' electrical system, focusing on the switchbox and fuse arrangement. | ||
| View original record | To H. from HPC. c. to CJ. c. to Da. c. to Hy. ORIGINAL EPCB/T19.9.21. X.4326 - "GOSHAWK" ELECTRICAL SYSTEM. We have received a print No.Sch.949 giving two diagrams of electrical circuits for the… | ||
| Scan70 | Continued discussion on dynamo fuses, voltage rise, and protection of the electrical system. | ||
| View original record | EPCS/T19.9.21. -2- Contd. dynamo, and moreover to be operated at a much higher voltage than normal, in the absence of the dynamo field fuse, especially if the speed of the car be fast, owing to the… | ||
| Scan71 | The merits of using a series-operated buzzer and main fuse for electrical protection. | ||
| View original record | EFC3/T19.9.21. -3- Contd. perfectly satisfactory all round, and it is therefore always difficult to see just the most satisfactory arrangement in practice. If, however, all fuses were omitted and a… | ||
| Scan72 | Cover memo for an assistant's report on comparative tests of insulating varnishes. | ||
| View original record | ORIGINAL To. R. from EFC. C. C. W. C. Mr. C. to/. Mr. Brock EFC4/T20.9.21. X.1109 - INSULATING VARNISHES. Please find attached copy of my assistant's report on some comparative tests of a sample of… | ||
| Scan73 | Comparative tests of standard insulating varnishes with Asiatic varnish. | ||
| View original record | EPC. AB.23. X.1109 - COMPARATIVE TESTS OF STANDARD INSULATING VARNISHES WITH ASIATIC VARNISH. A bottle of Asiatic varnish received in January from Messrs. Royce Ltd. has now been used for tests in… | ||
| Scan74 | The properties of asiatic varnish, including its inflammability, characteristics, and corrosive effects. | ||
| View original record | Ep23. -2- Contd. 3002.C(D)-2-9T.2xR.H.2 T 98) 28x.2.9 Inflammability. The asiatic varnish contains a highly comparative constituent which accounts for its rapid drying and makes it very inflammable.… | ||
| Scan75 | Reporting on the superior performance of American-supplied front springs in testing. | ||
| View original record | To R. from Hs. c.c. to WJ. c.c. to E. c.c. to Ds. c.c. to BY. c.c. to EWT. for R.R.Inc. ORIGINAL X3900 X.2628 FRONT SPRINGS SUPPLIED FROM U.S.A. In our memo. Hs1/LG10.8.21.we reported that we had… | ||
| Scan76 | The performance issues of an experimental exhaust-heated throttle, particularly regarding poor fuel distribution in cold conditions. | ||
| View original record | To R. from Hs. c. to CJ. c. to R. c. to Dn. c. to BY. c. to EF. c. to EWT. for R.R. Inc. ORIGINAL. Hs5/LG20, 9. 21. EXHAUST HEATED THROTTLE. X4305 We are not able to obtain much good results from the… | ||
| Scan77 | Continued memorandum detailing throttle testing issues and a delay in sending model pieces to Springfield. | ||
| View original record | Contd. -2- HsS/LG20.9.21. ********** So far, on this throttle, we have not been able to achieve the same result. We are continuing our tests to try and correct the distribution with this throttle but… | ||
| Scan78 | The excessively strong springs and a noisy gearbox bearing on the Goshawk 11. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to E. c.c. to Da. c.c. to EY. c.c. to Wor. c.c. to EP. ORIGINAL X4247 (crossed out) X4261 (crossed out) X4262 GOSHAWK 11. X4219 The springs which were fitted to Goshawk… | ||
| Scan79 | The bench testing of a Rotax AT.4 dynamo sample for the Goshawk II engine, detailing its mechanical and electrical performance. | ||
| View original record | R.R. 235A (50 T S.H. 986. 19-2-31) G. 3008 To R. from EFC. c.c. to C.J.S & P.N. c.c. to Ry. & EP. c.c. Rs. & Ds. c.c. R.R. of America Inc. ORIGINAL EFC4/TEL9.21. X.4359H - ROTAX AT.4 DYNAMO FOR… | ||
| Scan80 | Performance test results and physical specifications of a machine compared to its design specification. | ||
| View original record | -2- Contd. The specified curve is also shown dotted for comparison. In the fully hot condition, an open circuit voltage of 13.6 is attained at 600 R.P.M. - our specification gave 640 R.P.M. In the… | ||
| Scan81 | Performance test results for a dynamo, concluding its heating performance is reasonable and it is available for the Goshawk II chassis. | ||
| View original record | -3- EFC4/T21.9.21. Contd. with an ambient temperature of 19°C. The limit given in our specification would be 85°C for 18° ambient. The maximum continuous ampere output on the bench was 8.0 at the… | ||
| Scan82 | Graph of ampere output versus speed curves for a Rotax A.T.4 Dynamo for the Goshawk engine. | ||
| View original record | AMPERE OUTPUT R.P.M. AMPERE OUTPUT — SPEED CURVES OF ROTAX A.T.4. DYNAMO FOR GOSHAWK. FULLY HOT CONDITION ON SCHEDULED VOLT-AMPERE CHARACTERISTIC Specified Performance dotted After heating test Before… | ||
| Scan83 | The back of a document with a company stamp and handwritten reference. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 21 SEP. 21 DERBY E.F.C. 3329. | ||
| Scan84 | Sourcing and various types of Bakelite products and similar materials. | ||
| View original record | R.R. 235A (50 T S.H. 986, 19-2-21) G. 3008 To R. from EPC. c. CJ. c. Da. c. Hy. c. Wd. ORIGINAL EFC3/T21.9.21. X.3513 - BAKELITE PRODUCTS. Wd. is going into the matter of obtaining bakelised linen or… | ||
| Scan85 | Comparison of insulating materials such as Bakelite, Beldalite, and Hightensite from various suppliers. | ||
| View original record | R.R. 235A (50 T S.H. 986, 19-2-21) G. 3008 -2- EFCZ/T21.9.21. Contd. by them in this country from raw material obtained from the Damard Lacquer Co; the two qualities are "standard" and "Admiralty".… | ||
| Scan86 | Deflection test results for a Goshawk 11 crankshaft. | ||
| View original record | R.R. 235A (50 T S.H. 986, 19-2-21) G. 3008 To R. From Hs. c. to CJ. c. to K. c. to Da. c. to BY. c. to HP. c. to Wor. ORIGINAL. Hs3/LGS22.9.21. DEFLECTION TEST ON GOSHAWK 11. CRANKSHAFT. X4221 We have… | ||
| Scan87 | Comparing the capacity and construction of various condensers for battery ignition systems. | ||
| View original record | R. from EFC. c. CJ. c. E. c. Da. c. Hy. ORIGINAL EFC2/T27.9.21. X.2012 - CONDENSERS FOR BATTERY IGNITION. Further to Mr. Hives' note Hs7/LG16.9.21, we have gone into the question of the possible… | ||
| Scan88 | Report comparing the capacity, volume, and performance of various ignition condensers. | ||
| View original record | R.R. 235A (100 T) (S.H. 798. 10-12-20) C 2947 Contd. -2- EFC2/T27.9.21. is .15 mf. this being half the total. The useful volume is estimated to be .56 cu.in. so that the capacity per cu.inch is .27… | ||
| Scan89 | Condenser capacity experiments for Goshawk and 40/50 chassis ignition systems. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G 2947 Contd. -3- EFC2/T27.9.21. namely, .244 mf. per cubic inch, this will give us a capacity of .31 mf. We welcome the possibility of being able to use a… | ||
| Scan90 | Test report on the squeaking of thick leaf springs, concluding that forming a radius on the leaf edges is an improvement but not a permanent cure. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to De. c. to EF. c. to EP. c. to Wor. c. to Br. ORIGINAL. Hs2/LG28.9.21. X2628 SQUEAKING OF THICK LEAF SPRINGS. We have carried out our test far enough on two cars… | ||
| Scan91 | Issues with screwed exhaust joints and recommending a design similar to the 40/50 HP chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. c. to EP. c. to Wor. ORIGINAL. x4219 COBHAM 11. Hs2/LG29.9.21. EXHAUST JOINTS. The screwed exhaust joint on the manifold is the type which the end… | ||
| Scan92 | The receipt and testing of a sample Lucas E.5RR dynamo for the Goshawk. | ||
| View original record | R.R. 235A (100 T) (S.H. 798. 10-12-20) G 2947 ORIGINAL To R & E from EFC. c. CJ & PN. c. By & EP. c. Eg & Da. c. R.R. of America Inc. X,4359L - LUCAS E.5RR Dynamo for "GOSHAWK". We have recently… | ||
| Scan93 | Technical discussion on dynamo switchbox equipment for the Goshawk, comparing two vs. three conductor switching. | ||
| View original record | R.R. 285A (100 T) (S.H. 798. 10-12-20) G 2947 Contd. -2- EFC1/T30.9.21. switchbox equipment you have under consideration for the Goshawk you are only providing means of switching two dynamo conductors… | ||
| Scan94 | The bench testing and performance analysis of a dynamo, including its physical specifications. | ||
| View original record | R.R. 285A (100 T) (S.H. 798, 10-12-20) G 2947 Contd. -3- EFC1/T30.9.21. provided to effect the connection of four points at the same time. The dynamo looks quite a nice job and has a dull nickel… | ||
| Scan95 | The results of a heating test for a machine, detailing temperature and performance findings. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G 2947 Contd. -4- EFC1/T30.9.21. The two main brushes are exactly at right angles in the neutral position - the control brush is at the opposite end but… | ||
| Scan96 | Graph of ampere output vs. RPM speed curves for a Lucas E.G.R.R. Dynamo for Goshawk under cold and hot conditions. | ||
| View original record | AMPERE OUTPUT - SPEED CURVES OF LUCAS E.G.R.R. DYNAMO FOR GOSHAWK COLD AND FULLY HOT CONDITIONS ON SCHEDULED VOLT - AMPERE CHARACTERISTICS. Hot Specified Performance Dotted Figures on curves are… | ||