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).
Clutch performance for the 21-EX chassis, detailing judder and disengagement problems.
| Identifier | ExFiles\Box 26\4\ Scan408 | |
| Date | 30th September 1929 | |
| X.3409. x71/30.9.29. Report on 21-EX fitted with clutch steel plate lined with ferodo, plain back and front pressure plates, steel plate staggered and standard movement of rear pressure plate. ------------------------- Clutch will not disengage when warmed up. It does not revolve after once being stopped. CLUTCH ENGAGEMENT. Clutch jaggers are slight on level road. Clutch jaggers are very bad on any incline, impossible to take up a smooth drive. Clutch jaggers reversing on level and on incline are very slight. G.W.H. | ||