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).
Design and features of F and E type magnetos.
| Identifier | WestWitteringFiles\F\April1921\ Scan82 | |
| Date | 2nd April 1921 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 91301 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.A. 74 Customer's No. Re X 3723 probably not be adopted as at present designed. On the other hand, the F and E types, are small, and have rather a neat appearance. They are covered with a light metal casing; and the armature is enclosed, which should make them fairly dust and water proof. A poor feature about all three magnetos, is the contact breaker, with a block of fibre instead of the usual lever, and a very weak looking, controlling spring. Again, the F and E types have a distributor, similar to that on the Siremann with the six small carbon brushes, and, judging by the heavy tracking on the rotor Signed Cont'd.{John DeLooze - Company Secretary} This Sheet must be filed on completion of the work. | ||