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).
The application of twin contact breakers to an ignition distributor for Wraith & Bentley V models.
| Identifier | ExFiles\Box 168\3\ img164 | |
| Date | 22th April 1939 | |
| DA{Bernard Day - Chassis Design}/MS. c. Rm.{William Robotham - Chief Engineer} 6119 23 DA.{Bernard Day - Chassis Design}9/G.22.4.39. CHILDS IGNITION DISTRIBUTOR. WRAITH & BENTLEY V.{VIENNA} Herewith D.CD.1302 shewing the application of twin contact breakers to an existing design of distributor, and thus enabling us to obtain 70 - 30 make and break ratio. A movable base plate is provided to enable final timing to be obtained without removing the cam. DA.{Bernard Day - Chassis Design} | ||