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).
Instructions detailing modifications to Watford IS12 magnetos for the Falcon X engine.
| Identifier | ExFiles\Box 43\4\ Scan050 | |
| Date | 25th January 1927 | |
| RR 598 (150 BKS.) (DB{Donald Bastow - Suspensions} 431-8 12 24) MP 306975 X. 4021. ROLLS-ROYCE LTD. INSTRUCTIONS. To: C.T.b. Date: 25 - 1 - 1927 Order No.: WCI Customer's No.: X4021 Watford IS12 magnetos for Falcon X. We have now received back from Messrs Norths, magnetos Nos 83119/20 which were sent back for modification. They appear to differ from the magnetos we have at present in the following details :- ① Distributor made of rubber base material, provision being made for radial connections, the H.T leads being pierced by screws as on the B.T.H. ② Condenser more protected than previously. ③ Cast iron distributor gear wheel. Signed: contd. This Sheet must be filed on completion of the work. | ||