The 'Goshawk II' crankshaft pinion spring drive, discontinuing one scheme in favour of another with a slipper flywheel.
| Identifier | WestWitteringFiles\G\October1921\ Scan50 | |
| Date | 10th October 1921 | |
| To EX. from E. {Mr Elliott - Chief Engineer} Copy to HS. {Lord Ernest Hives - Chair} ORIGINAL. E1/G8/10/21 X4222 X42-21 RE "GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" CRANKSHAFT PINION SPRING DRIVE. It should be understood that nothing more should be done with Spring Drive LeC.1449 now that we have a scheme (LeC.1458) fitted with slipper flywheel. E. {Mr Elliott - Chief Engineer} RECEIVED OCT 10 1921 | ||
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).