Deflection test on a Goshawk 11 crankshaft.
| Identifier | ExFiles\Box 74\3\ scan0232 | |
| Date | 22th September 1921 | |
| To R. {Sir Henry Royce} from Hs. {Lord Ernest Hives - Chair} c. to CJ. c. to E. {Mr Elliott - Chief Engineer} c. to Da. {Bernard Day - Chassis Design} c. to BY. {R.W. Bailey - Chief Engineer} c. to EP. {G. Eric Platford - Chief Quality Engineer} c. to Wor. {Arthur Wormald - General Works Manager} X4221 Hs {Lord Ernest Hives - Chair} /LG22.9.21. X.4221 - DEFLECTION TEST ON GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. CRANKSHAFT. We have carried out this test on the engine which was fitted to the chassis when it was at West Wittering(Henry Royce's home town). The engine was bolted to a bed plate and the flywheel locked. The crankshaft was fitted into the crankcase with its standard bearings - no connecting rods were fitted. A lever was fitted to the serrations on the front end of the crankshaft. Load. Deflection. Lbs. ins. Deg. Min. 320 15 720 25 1120 40 1520 50 1920 58 2320 1 8 2720 1 20 3120 1 32 Hs. {Lord Ernest Hives - Chair} | ||
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).