Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | With a sketch concerning the position of the steering wheel and front seats for the 10 HP D.F.P. car. | ||
| View original record | To Hs. & BY Copy DA. ORIGINAL X4267 10/3/22 RE FRONT SEATS OF 10 H.P. D.F.P. Y4262 We send herewith a sketch showing the required position of the Steering wheel on this CAR. Will Derby please return… | ||
| Scan1 | Telegram regarding the postage of an ignition switch and an enquiry about a starter switch. | ||
| View original record | POST OFFICE TELEGRAPHS No. of Telegram: 16 Office Stamp: GOODWOOD DE 22 MR 22 Sent: 11 30 M Words: 16 Received here at: 11 40 M Handed in at: P 11. 5 M Chichester 1. Message: x1692 Roycean Derig Hives… | ||
| Scan2 | Clarifying that a voltmeter was fitted to a 40/50 chassis for experimental purposes only, not as standard equipment. | ||
| View original record | To Wd. from E. c. to CU. c. to REC. c. to Hs. ✓ ORIGINAL E2/M15.3.22. X11G2 RE WESTON VOLTMETER. With reference to your memo. to R. Wd3/NJ13.3.22. I do not believe that Mr. Royce contemplated fitting… | ||
| Scan3 | Forwarding a letter about a new lubricant and suggesting a sample be obtained for testing. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G. 2947 ORIGINAL. To Hs. from E. c. to CJ. [crossed out] c. to BX. [crossed out] E1/M15.3.22. RE NEW LUBRICATING OIL. X1588 We send you herewith a copy of a… | ||
| Scan4 | Letter from Alexander Duckham & Co. to F.H. Royce regarding a new lubricating oil discovery. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G. 2947 C O P Y. ALEXANDER DUCKHAM & CO. LTD. MANUFACTURERS OF PETROLEUM PRODUCTS. WORKS - MILLWALL. LONDON. E. 14. 4 BROAD STREET PLACE. E. C. 2. Telegrams… | ||
| Scan5 | Jamming issues with the Goshawk 11 Bendix Pinion and proposing solutions. | ||
| View original record | R.R. 235A (100 T) (S. H. 708. 10-12-20) G. 2947 To Hs. from E. c. to CJ. c. to Wor. c. to Ev. ORIGINAL Phone copy to melb E5/M15.3.22 MAR 17 1922 Hs REC'D Seen Hs V3572 GOSHAWK 11. BENDIX PINION. We… | ||
| Scan6 | Page 2 of a document describing a mechanism's disengagement by the engine and the timing requirements for its teeth and threads. | ||
| View original record | S.R. 235A (100 T) (S. H. 798. 10-12-20) G. 2947 (2) is flung out of engagement by the engine. This is also shewn on LeC 1537. The teeth require timing with the threads but only within working limits.… | ||
| Scan7 | Dimensional changes for a stiffer crankshaft for the Goshawk 11 engine. | ||
| View original record | R.R. 285A (100 T) (S.H. 798, 10-12-20) G. 2947 ORIGINAL To Hs. from E. c. to CJ. c. to Wdr. c. to Da. c. to Bx. c. to Mr. Coverley. E2/M17.3.22. GOSHAWK 11. - STIFFER CRANKSHAFT. X4221 You will… | ||
| Scan8 | Design and features of the Peregrine Gear-Box. | ||
| View original record | 3rd LINE MODEL PEREGRINE ORIGINAL 1922 ex SWALLOW To DA. from St. c. to GJ.Wor by Hs. ✓ HS MAR 10 22. RECEIVED X3488 RE PEREGRINE GEAR-BOX. We send herewith drawing No. Lec 1536 which is the main… | ||
| Scan9 | Design simplifications for mechanical components such as bolt stops and pinion pins. | ||
| View original record | (2) eliminate the necessity for carefully machining to diam-eter the bolt stops when integral with the box. The stops are now provided by the steel pressed pieces. The reverse pinionpin has been… | ||
| Scan10 | Logistics and status of D.F.P., Fiat, 20.HP, Delage, and Essex cars. | ||
| View original record | c for Swallows file ORIGINAL Extracts R.R. 235A (100 T) (S. H. 798. 10-12-20) G. 2947 TO Hs. from E. E1/M16.3.22. RE CARS. RE D. F. P. CAR. X4262 If it is so difficult to alter the steering column we… | ||
| Scan11 | Crankshaft proportions and crankcase design for the Peregrine engine. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G. 2947 Handwritten: at Le C.R. Stamped: ORIGINAL Handwritten: PER I ENGINE TO Hs. from E. c. to C.J. c. to W&R. E4/M17.3.22. RE PEREGRINE ENGINE. Handwritten:… | ||
| Scan12 | Design of the Peregrine front axle, comparing it to the Goshawk 11 and specifying wheel options. | ||
| View original record | To By. from Da. c. to CJ. c. to Wor. c. to HS. ✓ (Le Canadel) 'ORIGINAL PERI I FRONT AXLE Da3/M27. 3. 22. PEREGRINE FRONT AXLE. X4475 We send you herewith N.sch. 1235 shewing front axle and cross… | ||
| Scan13 | Design of the Peregrine rear axle, its components, wheel options, and comparison to the Goshawk 11. | ||
| View original record | To By. from Da. c. to CJ. c. to Wor. c. to Hs. ✓ ORIGINAL PERI REAR AXLE Da2/M27.3.22. (Urbanacdel) Hs at L&C! PEREGRINE REAR AXLE. X4469 We send herewith N. schs. 1239 & 1242 shewing the rear axle… | ||
| Scan14 | The design of the Peregrine rear axle, discussing bevel gears, reduction ratios, and comparison to the Goshawk II. | ||
| View original record | To BY. from Da. c. to Ed. c. to Wor. c. to Hs. (Labanadel) ORIGINAL Received in Marking Dept Redespatched to Rec D/1208 PER 11 REAR AXLE Da1/M27.3.22. RE PEREGRINE REAR AXLE. X4469 We send you… | ||
| Scan15 | Design, forging, balancing, and oiling instructions for the Peregrine Crank Shaft. | ||
| View original record | ORIGINAL ROYCE REALLY GOES TO TOWN ON HIS Rolls-Royce PERI I CRANK E1/M28.3.22 To Da. (crossed out) from E. c. to GJ. c. to Wer. c. to Hy. c. to Hs. ✓ PEREGRINE CRANK SHAFT. X4434 We send you herewith… | ||
| Scan16 | Specifications for crankshaft balancing and component design. | ||
| View original record | (2) (4) The radiussing at each end of the crankpin bores balances out for all the cranks. (5) Crank webs a & d must have dimension X so fixed that they are in individual balance excluding the… | ||
| Scan17 | Crankcase oil leak on the Goshawk 11 engine and proposing a modified cover design. | ||
| View original record | TO Da. from E. c. to Gd. c. to Wer. c. to Hy. c. to Hs. ✓ ORIGINAL E1/M17.3.22. GOSHAWK 11. CRANKCASE OIL LEAK. XC4220 With reference to the rear end of the crankcase this still seems to give some… | ||
| Scan18 | Proposed alternative design for an oil flinger, requiring an alteration to the crankshaft. | ||
| View original record | (2) We have therefore prepared an alternative design - Lec 1539 - shewing a form of oil flinger which might be bet- ter than the existing one for not driving out the oil centri- fugally through the… | ||
| Scan19 | Modifications to the Goshawk 11 engine's induction and exhaust pipes. | ||
| View original record | To By. From Ev. c. to CJ. c. to Wor. c. to Hs. ✓ ORIGINAL GOSHAWK 11 - INDUCTION & EXHAUST PIPES. X4238 / X4227 With reference to the modifications necessary to the standardised form of induction and… | ||
| Scan20 | Telegram with instructions for modifications to a Goshawk engine scuttle and the supply of specific screws. | ||
| View original record | Roycear Derby /X3730 Hives re Goshawk for Lecanadel scuttle two inches deeper and 1 1/4 inches higher supply countersunk screws for attaching brackett to board 3 1/2 inches long length of screw thread… | ||
| Scan21 | Modified pedals and footboard for the Goshawk II 'B' type chassis. | ||
| View original record | To By. from Da/Ev. c. to Wor. c. to Hs. c. to LHS for Sp. # Da/Evl/M22.3.22. GOSHAWK 11 - "B" TYPE PEDALS. X4267 We send you herewith N.sch 1240 shewing modified pedals and footboard for the "B" type… | ||
| Scan22 | Feasibility of fitting a larger battery to the Goshawk 11, proposing a new location, and clarifying the dismounting procedure. | ||
| View original record | X. 4417. To By. from Da. c. to EFC. ✓ ORIGINAL. Da3/M24. 3. 22. 3 X44141 GOSHAWK 11. BATTERIES. Replying to your By2/P22.3.22., when Mr. Clarke raised the question of a larger battery some few weeks… | ||
| Scan23 | Modifications for the Goshawk 11 wiring and practical diagram. | ||
| View original record | To-By: from Da/Ev. c. to Wsr. c. to Hs. (Le Camadre) RE GOSHAWK 11. WIRING AND PRACTICAL DIAGRAM. X40/45 We enclose herewith a print of LeC 1527 on which we shew several modifications which we wish to… | ||
| Scan24 | Communication about exchanging schemes for a rear tail light and its wiring. | ||
| View original record | (2) We shall send you shortly a scheme for the rear tail light, and would like to receive your schemes for the wiring soon, so that we can be in a position to clear up the whole job. Da/Ev. | ||
| Scan25 | Lubrication of the cam for the ignition make and break system on the Goshawk 11 engine. | ||
| View original record | ORIGINAL. TO EP. from E. c. to CJ. c. to Nor. c. to EPC. c. to Ry. c. to HS. X 3485 X4357 GOSHAWK 11. LUBRICATION OF CAM FOR IGNITION MAKE AND BREAK. With regard to the first item on your report… | ||
| Scan26 | Continuous high rate discharge tests conducted on various batteries for comparison purposes. | ||
| View original record | To R & E. from EFC. c. to CJ. & PH. c. to HV. c. to Ry/ & EP. [Strikethrough]c. to Wd. & Ds.[/Strikethrough] [STAMP] ORIGINAL EFC1/T8.2.22. X.664 - BATTERIES. [Handwritten] Y4414.72 Herewith please… | ||
| Scan27 | Performance and specifications of various car batteries. | ||
| View original record | To R & E. -2- EFC1/TB.2.22 (Contd). Curves 48 and 55, sheet L, and 62, sheet K, refer to standard Exides with modifications, and show how the cranking ability has been reduced by the addition of… | ||
| Scan28 | Standardisation of batteries and comparing three types for the Goshawk. | ||
| View original record | To R & E. -3- EPC1/TB.2.22 (Contd). We have, therefore, at the moment a favourable opportunity for standardising another type of battery, and as it has been decided that two simultaneous standards… | ||
| Scan29 | Installation and comparison of various battery types for Goshawk chassis. | ||
| View original record | To R & H. -4- EFC/T8.2.22 (Contd). so far. We have now half a dozen of these batteries in all, two of which are installed on Goshawk chassis. We have received two of the P & R H.D.W.7 and four of the… | ||
| Scan30 | Price list for various 40/50 Chassis and Goshawk batteries. | ||
| View original record | -5- EFC1/TS.2.22 (Contd). The quoted quantity prices of the various batteries are as follows :- 40/50. Chassis Batteries. Exide 6XHR-6 - £7. 5. 0 C.A.V.Willard 12-XR-3. - £6.12. 8. P+R. B D. 11 -… | ||
| Scan31 | Graph of continuous high-rate discharge curves for various chassis batteries. | ||
| View original record | X.664 CONTINUOUS HIGH RATE DISCHARGE CURVES OF VARIOUS CHASSIS BATTERIES THROUGH INVARIABLE EXTERNAL RESISTANCE OF .100 Ω BATTERIES 16c, 18c, 27, 40, 50, 59, 60, 62, 68 EXIDE F 82½ lb EXIDE U 82½ lb… | ||
| Scan32 | Graph of continuous high-rate discharge curves for various chassis batteries through an invariable external resistance. | ||
| View original record | X664 CONTINUOUS HIGH RATE DISCHARGE CURVES OF VARIOUS CHASSIS BATTERIES THROUGH INVARIABLE EXTERNAL RESISTANCE OF .100 w BATTERIES O, 10a, 48, 55, 64. AMPERES OR TEN TIMES TERMINAL VOLTS TIME… | ||
| Scan33 | Graph comparing the performance curves of different batteries under continuous high-rate discharge. | ||
| View original record | X 664 BATTERY CURVES CONTINUOUS HIGH RATE DISCHARGE CONSTANT CIRCUIT RESISTANCE -.100 ω BATTERIES 59, 66, 74, 85 TERMINAL VOLTS AMPERES OR TEN TIMES 120 110 100 90 80 TIME (MINUTES) 0 1 2 3 4 5 6 7 8… | ||
| Scan34 | Graph of battery discharge curves under continuous high rate discharge with a constant circuit resistance. | ||
| View original record | X664 BATTERY CURVES CONTINUOUS HIGH RATE DISCHARGE CONSTANT CIRCUIT RESISTANCE -100w BATTERIES: 70, 72, 81, 86 AMPERES OR TEN TIMES TERMINAL VOLTS TIME (MINUTES) CAV WILLARD 12XR2/2 66 1/2 lbs… | ||
| Scan35 | Comparative tests of R.R. and C.A.V. starting equipment. | ||
| View original record | To R & E. from EFC. c. to CJ. c. to By. c. to Hm. c. to EP. ORIGINAL EFC2/T13.2.22. Y4296 x3082 x4741 COMPARATIVE TESTS OF R.R. STARTING EQUIPMENT, COMPRISING P & R TYPE E.D.11 BATTERY; 27' OF 84/25's… | ||
| Scan36 | Comparison of engine starting performance between the C.A.V. system and the R.R. system under hot conditions. | ||
| View original record | Contd. -2- EFC2/T13.2.22. Both engines were then started and allowed to warm up. Owing to the greater starter speed of the C. A. V. system, it was possible to start the engine on the magneto without… | ||
| Scan37 | Analysis of battery and starter motor performance, comparing expected values to actual measurements under cold and hot conditions. | ||
| View original record | Contd. -3- EFC2/T13.2.22. In the R.R. case, we consider, as stated at various times previously, that the battery characteristic and cables should be such that with the battery not too low in its state… | ||
| Scan38 | The power consumption of the starter system under average conditions. | ||
| View original record | Contd. -4- EFC2/T13.2.22. present arranged, the starter system is definitely on the low side of the point where the minimum number of ampere minutes would be consumed when starting the engine in the… | ||
| Scan40 | Responding to a query about the status of D.F.P., Essex, and Delage cars, concerning parts and licences. | ||
| View original record | Hs at LeC with R o a Goshawk DFP ORIGINAL. E. from Hs/TMW. Hs/TMW1/LG18322 ESSEX DELAGE Referring to your E1/M16.3.22. X4262 D.F.P. Car. The licence for this car expires at the end of this month. It… | ||
| Scan41 | Explanation of a diagram used to derive advance curves for governor weights using different springs. | ||
| View original record | KFCL/T27.3.22. -3- Contd. to the fact that, other things being the same, the couple exerted is proportional to the square of the speed, the heights of the vertices of these curves above the base line… | ||
| Scan42 | Report page discussing engine advance curves, spring ratings, and governor design. | ||
| View original record | Contd. -4- EFC1/T27.3.22. represents a spring which allows the cam to advance 23° from 0 to 1500 R.P.M. Actual corresponding curves of advance are shown marked I and V on the sheet of advance… | ||
| Scan43 | Continued analysis of governor weight and spring characteristics to achieve a desired advance curve. | ||
| View original record | Contd. -5- EFC1/T27.8.22. governor weights, a range most nearly suited to giving the required characteristic of advance. To this end - Curve A is the characteristic of the advance required. Curve IV… | ||
| Scan44 | Analysis of a governor mechanism's performance and discussion of alternative designs. | ||
| View original record | Contd. -6- EFC1/T27.3.22. tremendously as the spring is compressed, which action is not possible with any single spring. Any possibility of a single spring working over a selected range can be readily… | ||
| Scan45 | Diagram for determining the advance characteristic of a Goshawk ignition governor. | ||
| View original record | DIAGRAM FOR DETERMINATION OF ADVANCE CHARACTERISTIC OF GOSHAWK IGNITION GOVERNOR DYNAMIC COUPLE OR SPRING COUPLE (Arbitrary Units) 10 20 30 40 50 60 70 80 1500 R.P.M. 1250 R.P.M. 1000 R.P.M. 750… | ||