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).
Modifications to an experimental Spectre starter motor No. S1.
| Identifier | ExFiles\Box 62\1\ scan0311 | |
| Date | 11th April 1935 | |
| 6134 RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.14/MA.11.4.35. EXPERIMENTAL MODIFIED SPECTRECodename for Phantom III STARTER MOTOR NO.S1. We have asked for a new set of poles to our drg. EL129 to be made for the above motor. When these are made will you please have them fitted and a new field winding wound consisting of 4 1/2 turns per pole of .205" x .155" bar, a quantity of which we have ordered for this purpose. Hs{Lord Ernest Hives - Chair}/Wst. | ||