Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box WestWitteringFiles\H\January1922\        Box Selection

IdentifierEntry
Scan0 Sketch for a new boss on the gearbox to accommodate revised 'D' pedals.
View original record R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. x4267 ORIGINAL Dal/M2.1.22. 2 To HS. from DA. In reply to your memo. Hs3/LG30.12.21., we send a sketch shewing the position of the new boss on the…

Scan1 Query from Mr. Royce regarding the effectiveness of rounded edges on fly-wheel teeth for the Goshawk starter.
View original record R.R. 235B (200 T) (S.D. 408. 26-4-17.) Bm. 2/156/12. E4/M3.1.22. ORIGINAL To HS. from E. C. to CJ. AY. DA. X4384 RE GOSHAWK STARTER. Kindly note Mr. Royce would like you to ascertain whether rounded…

Scan2 Urgent telegram requesting dimensions and particulars for a C.A.V. Lucas dynamo and coupling.
View original record R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. X4359 Time Received: 12 23 Date: 4. 7. 21 To: Royce Derby By: Slo from: Chichester 11.52 [STAMP:…

Scan3 Modifications to the Goshawk 11 'D' pedals to increase leg room.
View original record ORIGINAL. Da1/4.1.22. 2. To By. from Da. Goshawk 11 "D" Pedals. X4267 We send you herewith N. scheme No.1203 shewing the "D" Pedals pushed forward approximately 2.5" in order to increase the leg room,…

Scan4 The Goshawk radiator fixing with set-up springs.
View original record To Da. from E. c.c. to Gd., Hor., Hy., Hs. RECEIVED JAN. 1922 X4240 X4260 ORIGINAL 3 E1/14.1.22. GOSHAWK RADIATOR FIXING WITH SET-UP SPRINGS. We send you herewith drawing No.Lec 1512 shewing the…

Scan5 Alterations to the Goshawk II engine's crank-case for the dynamo drive, referencing scheme LeC 1514.
View original record To Da. From E. c. to C.J.T. W.O.P. H.J.S. R.M.C. ORIGINAL EE/187.1.22. X 3522 RE GOSHAWK 11 DYNAMO DRIVE. We send you herewith scheme LeC 1514. shewing the above. This drawing gives you particulars of…

Scan6 Exhaust heated throttle, pilot jet, and instrument board lettering for the 40/50 chassis.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Hs. from E. C. to CJ. C. to Wor. C. to By. ORIGINAL E2/M10.1.22. X4305 / X4390 40/50 CHASSIS. X.4387 EXHAUST HEATED THROTTLE & PILOT JET. In…

Scan7 Requesting a relocation of the Goshawk 11 oil filler for exhaust pipe clearance.
View original record To Da. from E. c. to Od. c. to Wor. c. to Hs. ✓ c. to Hy. ORIGINAL GOSHAWK 11. OIL FILLER. X4295 We send you herewith drawing No. Leg 1497 showing the above. We require a simple 2 bolter flange on the…

Scan8 Modifications to the crankcase, oil filler, breather connection, and magneto drive.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. ORIGINAL. TO Hs. from E. c. to OJ. (crossed out) c. to Wor. (crossed out) c. to By. (crossed out) E1/M10.1.22. 2. RECEIVED (stamp) JAN 12 1922…

Scan9 Starter pinion and adapting engines for an independent dynamo gear wheel mounting.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. (2) starter pinion. (3522) Referring again to the dynamo drive we are seeing what can be done to adapt (word struck through) existing engines to an…

Scan10 The development of a strengthened camshaft wheel for better high-speed running, referencing drawing Lec1515.
View original record ORIGINAL To DA. from E. E1/M11.1.22. C. to HH. C. to Wor. C. to HS. ✓ C. to Hy. C. to FRE. GOSHAWK 11. X4229 REPORT - HS6/LG6.1.22. CAMSHAFT DRIVE & IGNITION. With reference to the above report Mr…

Scan11 Development progress and priority of a petrol level indicator for the Goshawk 11.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. ORIGINAL. To Hs. from Da. Dal/M17.1.22. PETROL LEVEL INDICATOR FOR GOSHAWK 11. X3596 In reply to your Hsl/LG13.1.22., we had made some progress…

Scan12 Proposed improvement to the lubrication method for the Goshawk 11 dynamo bearings.
View original record RECEIVED from E. to D.J. c. to Ner. c. to Hs. c. to Fmc. P.W.L.T. DEPT. MAIL ROOM 8 OCT 1935 ORIGINAL 2 E2/M19.1.22. X.4883 GOSHAWK 11. DYNAMO. Lec. 151q. We expect by now that you have received…

Scan13 Mechanical condition of a specimen vacuum feed tank and a proposal to test it.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. TO Hs. from Da. ORIGINAL Da2/M19.1.22. VACUUM FEED WAVE AND TANK. X3593 I have examined the specimen tank you sent us and discussed it with Mr.…

Scan14 Issues and potential improvements for Goshawk engine brakes, focusing on materials and mechanical design.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To ( HS ✓ DA ) from R. c. to CJ c. to Wor. c. to PW. c. to By. c. to EP. c. to E. c. to Hy ORIGINAL. R2/M19.1.22. BRAKES (GOSHAWK) AND GENERAL.…

Scan15 Alterations to brake levers, the effect on wire rope travel, and the elimination of footbrake squeak.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. (2) deflection to 54% of it's present value: (my original levers for these shafts were 2", and the shaft would be used through 1 1/2 times the…

Scan16 Wiring specifications for the Goshawk 11, detailing colour and numbering schemes for cables.
View original record To EFC. from E. c. to CY. c. to Wor. c. to Hs. c. to Da. c. to By. ORIGINAL. RECEIVED X4075 - GOSHAWK WIRING. With reference to your EFC2/T16.1.22. with samples of wiring, for which we thank you. The…

Scan17 Query about sourcing an alternative for a specified 61/25 cable from Glover's make for drawing LeC 1044.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. (2) was specified on drawing LeC 1044, of which you have a copy. This cable was given as 61/25, but if impossible to obtain this size, perhaps you…

Scan18 Cover note for the unfinished drawing LoC 1517 of the Goshawk 11 electric starter switch and control.
View original record To Ry. from E. c. to C.J. c. to er. c. to Hs. c. to WFG. ORIGINAL E1/20.1.22. 2 X3915 Goshawk 11 - Electric Starter Switch and Control. Please find herewith drawing No. LoC 1517 shewing the above. I…

Scan19 The Goshawk 11 Distribution Board, detailing its construction and requesting wiring instructions.
View original record To - Da. from E. c. to GJ. c. to Res. c. to Dy. c. to Hs. c. to RDC. ORIGINAL E2/H21.1.22. X.4410. GOSHAWK 11 - DISTRIBUTION BOARD. We send you herewith drawing No. LeC 1518 shewing the above. The…

Scan20 Drawing No. LeC 1520, which details an improved plunger for the Goshawk 11 Bendix Pinion.
View original record To-Bar. from E. c. to H-J. c. to Nor- c. to By. c. to Hs. ✓ ORIGINAL E1/M21.1.22. x 3592 GOSHAWK 11 - IMPROVED BENDIX PLUNGER. We send you herewith drawing No. LeC 1520 shewing an improved plunger…

Scan21 Two fixing schemes for the Goshawk 11 longer front dumb iron, referencing drawings LeC.1524 and LeC.1525.
View original record COPY ORIGINAL To. Da. from E. c.c. OJ. WOR. BY & Hs. E1/M26.1.22. GOSHAWK 11. LONGER FRONT DUMB IRON FIXING. We send you herewith drawings Nos. LeC.1524, and 1525 dealing with the above. LeC.1525 -…

Scan22 'E' to 'Hs' regarding Mr. Royce's schedule, the Goshawk project, and car 6.EX.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. ORIGINAL. R 2. To Hs. from E. E1/M31.1.22. X4219 X3923 In reply to your memo. HS3/LG27.1.22., Mr. Royce will be rather busy this week, as there…

Scan23 Telegram regarding the readiness of a 1921 experimental chassis and required spring improvements.
View original record R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ORIGINAL ROLLS-ROYCE, LIMITED. M.D. TELEGRAM RECEIVED BY TELEPHONE. Time Received: XB743 /11 Date: 24 To: Roycar Derby By: M/B from: Regent 3 3 4 [STAMP:…

Scan24 Outlining chief dimensions for the 'Swallow' model and considering a French D.F.P. chassis as a guide.
View original record CHIEF DIMENSIONS - SWALLOW TO B.J. from R. c. to CE. (ticked) c. to Hs. (ticked) c. to IP. (struck through) c. to EP. STAMP: ORIGINAL STAMP: RECEIVED JAN 16 1922 Handwritten: X4405 Will you kindly…

Scan25 Particulars of a 10.HP Peugeot chassis and comparing back axle gear ratios.
View original record (2) erproof. I think it would be advisable for us to get particulars of the 10.HP. Peugeot chassis. The D.F.P. has a back axle 4.28 to 1; this we think is too highly geared. Such a small car would not…

Scan26 Engine specification, comparing 4 versus 6 cylinders, for the 'Swallow' model.
View original record Handwritten at top: Setting on a Spec for the 2'nd line model '4' or 6 CYLS ? SWALLOW. Hs HAS A SAY ON TECH POLICY. To E. from Hs. c. to CJ. c. to Ds. c. to EY. c. to EP. SPECIFICATION FOR "SWALLOW".…

Scan27 Acquisition of a D.F.P. car chassis for evaluation and developing new coachwork.
View original record ORIGINAL Noted Hs - what plan do you propose. What has C done. we box while to test - en route to R. from EP. 2/2/22 To G. from R. c. to CJ. c. to EP. (struck through) c. to HS. ✔ c. to Hs. RE D.F.P.…

Scan28 Proposal and justification for using a 6-cylinder engine in the new 'Swallow'/'Peregrine' model.
View original record [Handwritten notes at top] R goes to town sells out (mainly for Hs's benefit) Sells his philosophy & general policy of the new Swallow (Peregrine) [List of initials with notes] CJ. } 3rd loan PJ. }…

Scan29 Design philosophy and specifications for a new small car model, comparing it to the Fiat and Goshawk.
View original record (2) We do not want to make the rough knock-about station car about which no one cares how it goes so long as it does go, or what is done with it or where it is left, but we want our small choice car…

Scan30 Typed memorandum discussing car models, including the 40/50 and 12.HP, in relation to 'lady drivers' and market strategy.
View original record (3) up a few especially for enthusiastic lady drivers who could pay a good price. Our 40/50 is not a ladies car, although they have been most successfully driven by ladies. The little 12.HP. will be…

Scan31 The specifications and construction of a Lucas motor for the Goshawk II.
View original record To R & E. from EFC. c. CJ & FH. c. Da. & Rg. c. Ey. & EP. X.4342L - LUCAS MOTOR FOR "GOSHAWK II". This motor has a particularly neat appearance, the carcase being of nickel plate finish, like the…

Scan32 Page 2 of a report detailing motor specifications and performance analysis from a brake test, referencing a Goshawk engine and Lucas motor.
View original record Contd. -2- EFC1/T3.1.22. Air gap .015" = .38 mm. No. of wound poles 4 Arrgt.of field coils. All in series. Resistance of field circuit. .0088 ohm. at 18°C No. of armature slots 29 No. of commutator…

Scan33 Performance comparison of Lucas and C.A.V. motors, detailing figures for torque, speed, power, and efficiency.
View original record Contd. -3- EFC1/T3.1.22. say, 10 or 11, the motor would be working at a higher power and higher efficiency and would appear to be better adapted for the work with this other ratio. It is possible,…

Scan34 Comparison of Lucas and C.A.V. motors, noting battery performance and suggesting further tests on an engine.
View original record Contd. -4- EFC1/T3.1.22 Lucas motor appears to behave better than the C. A. V. Apparently we must account for this by (1) the torque required to turn the engine being a good deal lower than estimated…

Scan36 Blueprint graph showing starter motor brake efficiency for a Lucas starter motor on a Goshawk chassis.
View original record STARTER MOTOR BRAKE EFFICIENCY X.4342L. LUCAS STARTER MOTOR APPROX WORKING POINT ON GOSHAWK CHASSIS ELECTRICAL H.P. EFFICIENCY VOLTAGE AMPERES B.H.P. R.P.M TORQUE (POUND INCHES) VOLTS EFFICIENCY…

Scan37 Drawings for Lucas & C.A.V. Goshawk dynamos.
View original record To E. from EFC. ORIGINAL EFC1/T5.1.22. X.4359 - LUCAS & C.A.V. GOSHAWK DYNAMOS. In accordance with your wire received yesterday requesting particulars of both ends of the above dynamos to enable you…

Scan38 The rounded teeth on the 'Goshawk' starter for Goshawk II engines.
View original record To E. from Hs. ORIGINAL Hsl/LG6.1.32. X4342 "GOSHAWK" STARTER. At the present time, all the Starters which we are using on Goshawk 11. engines are working with the edges of the teeth rounded off, not…

Scan39 Model of a Goshawk 11 vacuum tank, suggesting a lighter construction.
View original record To Da. from Hs. c. to E. c. to BY. ORIGINAL. Hs2/LG12.1.22. GOSHAWK 11. VACUUM TANK. X3595 We are sending to you a model of the R-R Vacuum Tank made for Goshawk 11. We suggest that you will most…

Scan40 Fitting a Klaxon horn to the Goshawk 11 dashboard, referencing drawing Lec 1526.
View original record ORIGINAL To Da. from E. C. to DJ. C. to Wor. C. to Hy. C. to Hs. ✓ E1/M28.1.22. 3 GOSHAWK 11 - KLAXON HORN. X 1163 / X4078 We send you herewith drawing No. Lec 1526 shewing the Klaxon Horn fixed on…

Scan41 Printing and modifications for the Goshawk 11 wiring diagram.
View original record ORIGINAL To Der. from E. C. to CJ. C. to Wor. C. to HY. C. to HS. C. to LPC. X 4075 GOSHAWK 11 - WIRING DIAGRAM. We send you herewith drawing No. LeC 1527 shewing the above. This diagram should be…

Scan42 Appropriate wiring gauge for the Goshawk starter motor compared to the 40/50 model.
View original record ORIGINAL. To E. from EFC. c. By c. EP. EFC1/T28.1.22. X.4075 - GOSHAWK WIRING. The Goshawk starter motor will take at least as large a current, if not larger, than the 40/50. The reason of this is…

Scan43 Booklet on the Midgley-Scholey chassis electrical equipment and its control method.
View original record To E. from EFC. c. Ey. ORIGINAL EFC1/T30.1.22. X3374 RE MIDGLEY-SCHOLEY CHASSIS ELECTRICAL EQUIPMENT. I am sending you herewith booklet of the Midgley-Scholey system. It will be remembered that Mr.…

Scan44 Continued critique of an electrical system, discussing issues with the dynamo, vibrator regulator, Midgley-Scholey system, and junction box.
View original record -2- Contd. EFC1/T30.1.22. dynamo is not sufficiently high to break down the sulphation, that battery is useless on the car. The only difficulty we see with the vibrator regulator control is in the…

Scan45 Methodology for a special battery efficiency test under starter motor conditions.
View original record To E. from EFC. c.c. CJ. & PN. c.c. Ry. & EP. c.c. Rg. & Ds. c. Hw. ORIGINAL RE SPECIAL BATTERY TEST. <664 We think Mr. Royce might be interested in a special battery test we have carried out over a…

Scan46 Experiment to determine the efficiency of recharging a car battery after multiple discharge cycles.
View original record Contd. -2- EPC1/T31.1.22. We had often heard it remarked that it seemed to take a very much larger quantity of ampere-minutes to recharge a battery actually on the car after using the starter motor,…

Scan47 Battery efficiency tests concluding a 70% figure is correct based on replacement charge data.
View original record Contd. -3- EFC/132.1.22. That this efficiency figure is approximately correct was confirmed by a preliminary test in which an efficiency of 70% was assumed, so that after each high rate discharge 43%…

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