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).
Testing of dynamo brushes with a 30° bevel and special springs on a 40/50 Phantom I.
| Identifier | ExFiles\Box 62\3\ scan0187 | |
| Date | 9th February 1931 | |
| RHC.{R. H. Coverley - Production Engineer} from EFC. X6066 EFC2/AD9.2.31. X.6066. STANDARD E.G.2. BRUSHES WITH 30° BEVEL AND SPECIAL SPRINGS. We are s ending into the shop 40/50 Phantom I dynamo No. L.28.S. which is fitted with special standard grade brushes having the bevels increased to 30° and special springs. This machine was removed from chassis 9-EX when the latter was handed over to the Repair Dept. and in order that it may complete its 10,000 mile test we should be pleased if you would have it fitted to 14-EX. Will you please return dynamo No. H.O.1. at present on 14-EX to us. Completed 21.2.31. EEC/CAP. | ||