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 for flywheel, clutch, and crankshaft modifications on Wraith car 29.G.VI.
| Identifier | ExFiles\Box 108\3\ scan0058 | |
| Date | 6th May 1938 | |
| 600 To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}21/JH.6.5.38. WRAITH CAR 29.G.VI. We are sending the above car into the fitting shop for attention to the following jobs - (1) Remove light Rm.{William Robotham - Chief Engineer}502 ring from flexible flywheel to Arrg. Rm.{William Robotham - Chief Engineer}498 and fit heavy ring to Rm.{William Robotham - Chief Engineer}500. (2) Fit 11.00" clutch in place of the 10.00". (3) Statically balance crankshaft in successive stages, first crankshaft only with no balance weights fitted, secondly, crankshaft with balance weights fitted, thirdly crankshaft balance weights and flexible flywheel and clutch assembled and fourthly complete crankshaft assembly with flywheel clutch and slipper wheel fitted. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||