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).
Preliminary report on a new sleeveless Watford magneto, model No 98201.
| Identifier | ExFiles\Box 65\3\ scan0026 | |
| Date | 26th May 1927 | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.F.b. Order No. WC 20 Customer's No. X.7791 New sleeveless Watford magneto No 98201. Preliminary report. We have now received from BY a sample magneto as above for test. The external appearance of this magneto is almost precisely the same as the present standard Watford, the only changes in design besides the new armature and the omission of the sleeves being as follows:- 1) Stepped pole pieces of very large angular embrace, which give one the impression that there must be a considerable amount of flux leakage, the gap between Signed contd | ||