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).
Drawing detailing the addition of oil throwing grooves to an operating bush for a 20HP starter.
| Identifier | ExFiles\Box 56\4\ Scan095 | |
| Date | 26th September 1927 | |
| V3650 NOTE!! IT IS MOST IMPORTANT THAT NO ROUGH EDGES ARE LEFT ON THESE GROOVES OR THE CORK WASHER WILL BE TORN TO PIECES SLOT TO TAPER FROM .010 AT BOTTOM TO .025 AT EDGE RAD. IMPORTANT .062 6 GROOVES EQUALLY SPACED OIL THROWING GROOVES TO BE ADDED TO OPERATING BUSH D51134 20HP STARTER ROLLS-ROYCE, LIMITED PRINT ROOM. 26 SEP 1927 DERBY | ||