Use of cast iron versus steel for the Goshawk 11 flywheel and clutch back piece.
| Identifier | ExFiles\Box 74\2\ scan0337 | |
| Date | 31th October 1921 | |
| Hs. {Lord Ernest Hives - Chair} from BY. {R.W. Bailey - Chief Engineer} C: Mr D Ac on. [redacted] C. C.PT. [redacted] X4244 RECEIVED BY9-P31.10.21. GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. FLYWHEEL & CLUTCH. G.50339. With reference to the back piece bolted into the flywheel which takes the wear of the clutch, I consider that we should produce this in cast iron for the experimental chassis which we are building in the Works. I understand the Works have some steel discs which are finished - these they could use, but any further experimental chassis the Works build should, I think, have the part in question produced as a cast iron piece. When the matter has been throughly tested out Hs {Lord Ernest Hives - Chair} , will probably be able to give us a decision as to whether mild steel or cast iron is the best material. BY. {R.W. Bailey - Chief Engineer} | ||
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).