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).
Requesting a report on the production testing of Watford Type EW6 magnetos.
| Identifier | ExFiles\Box 65\3\ scan0186 | |
| Date | 1st February 1928 | |
| X7791 To SFT.{Mr Swift} from EFC. c. SFT{Mr Swift}/Mr. Ellis. EFC7/T6.2.28. WATFORD TYPE EW6 MAGNETOS. Concerning the production testing of EW6 Watford magnetos, for which we have quite recently given you a Specification of Inspection & Test, it would be of assistance to us to receive a report from Mr. Ellis on his observations on a number of magnetos concerning :- (1) Length of safety gap. (2) Tangential force to move lever. (3) Low speed sparking fully retarded. EFC. | ||