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).
Query regarding a potential modification to the helix angle on a modified EAC.II Starter Motor Bendix Shaft.
| Identifier | ExFiles\Box 68\3\ scan0163 | |
| Date | 13th January 1925 | |
| X.8650. To EFC from RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer}14/BE. 13.1.25. With reference to the modified EAC.II Starter Motor. The Helix angle is 45° on the Bendix Shaft. Do you consider that we should produce one 30° angle? RHC.{R. H. Coverley - Production Engineer} Yes! (see EFC1/T14.1.25) [Handwritten initials] | ||