Instructions for an experimental Goshawk crankshaft with increased balance weights from existing forgings.
| Identifier | ExFiles\Box 103\3\ scan0186 | |
| Date | 26th January 1934 | |
| X5010 To. RHO. c. Hs. {Lord Ernest Hives - Chair} c. BY {R.W. Bailey - Chief Engineer} /EL. GRY {Shadwell Grylls} See me about this job HS {Lord Ernest Hives - Chair} BY {R.W. Bailey - Chief Engineer} /CS14/EH.26.1.34. Re Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) - Crankshaft - Section 4010. Crankshaft with increased Balance Weights from existing Crankshaft Forgings. Please receive herewith blue prints of the following drawing, detailed in accordance with Mr. Bailey's instructions. E.42750 Crankshaft which replaces E.40344. Will you please instruct as required, together with remainder of parts to standard L.O.P. This completes instructions for experiment, the object of which is to test a crankshaft with the balance weights as large as possible from existing forgings, and in this connection would mention that care should be taken in marking out, as the dimensions given are particularly near forging sizes. BY {R.W. Bailey - Chief Engineer} /CS. | ||
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).