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).
From EFC to Mr. Brock requesting the weights of various components for the R.R. Goshawk starter motor.
| Identifier | ExFiles\Box 35\4\ scan 131 | |
| Date | 20th November 1922 guessed | |
| To Mr. Brock. from EFC. X 4384 EFC2/T119.22. X. 4384 - R.R. GOSHAWK STARTER MOTOR With reference to the above, would you kindly let me know at your convenience :- (1) The bare weight of carcase and field poles. (2) The weight of armature stampings. (3) " " " armature copper (exclusive of commutator). (4) " " " field copper. EFC. | ||