Schematic for a starter motor knock damper.
| Identifier | WestWitteringFiles\T\November1928\ Scan051 | |
| Date | 13th November 1928 | |
| 9 E.X. STARTER MOTOR. KNOCK DAMPER. D.71714 SPRING OILED LEATHER CUP. THIS SCHEME DAMPS OUT ALL ENGAGEMENT KNOCK & 50% DISENGAGEMENT KNOCK. GHRakliffe 13/11/28. | ||
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).