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).
Technical note comparing the Goshawk dynamo with other models and reporting on its performance improvements.
| Identifier | ExFiles\Box 51\1\ Scan111 | |
| Date | 29th November 1922 | |
| Contd. -3- EPC4/T29.11.22. moment some of the production Goshawk dynamos do not seem to be coming out quite as well. Both these other machines are of course single field winding third brush controlled, we feel that the U.S.A. Bosch, although not well made to external appearances, is nevertheless good electromagnetically. It will be noted that in each case, the carcase thickness is a good deal greater than we have on the Goshawk. EFC. {E. Fowler Clarke - Electrical Engineer} Output performances of one of the latest production Goshawk dynamos are today being taken and so far the results appear to be an improvement. | ||