Goshawk 11 crankshaft pinion spring drive, slipper flywheel, and related alterations to future crankcases.
| Identifier | ExFiles\Box 74\3\ scan0236 | |
| Date | 6th October 1921 | |
| To Da. {Bernard Day - Chassis Design} from E. {Mr Elliott - Chief Engineer} c. to CJ. c. to Wor. {Arthur Wormald - General Works Manager} c. to Hs. {Lord Ernest Hives - Chair} c. to BY. {R.W. Bailey - Chief Engineer} X4221 E1/G6.10.21. X.4244 - RE GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11 CRANKSHAFT PINION SPRING DRIVE X4221 X.4222 AND SLIPPER FLYWHEEL. With reference to the scheme LeC.1458 sent with our memo E2/G5.10.21, please note the wheelcase shewn is made for attachment to existing crankcases. Future Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) crankcases should be altered in accordance with further schemes which we shall send very shortly, to avoid using a two-part wheelcase. E. {Mr Elliott - Chief Engineer} R.R. 255b (100 T) (S.H. 798. 10-12-20) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2948 | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).