Deflection test results for a Goshawk 11 crankshaft.
| Identifier | WestWitteringFiles\G\September1921\ Scan86 | |
| Date | 22th September 1921 | |
| R.R. 235A (50 T S.H. 986, 19-2-21) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 3008 To R. {Sir Henry Royce} From Hs. {Lord Ernest Hives - Chair} c. to CJ. c. to K. {Mr Kilner} c. to Da. {Bernard Day - Chassis Design} c. to BY. {R.W. Bailey - Chief Engineer} c. to HP. c. to Wor. {Arthur Wormald - General Works Manager} ORIGINAL. Hs {Lord Ernest Hives - Chair} 3/LGS22.9.21. DEFLECTION TEST ON GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. CRANKSHAFT. X4221 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. lbs. ins. | Deflection. 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).