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).
List of part modifications and specifications for the flywheel, clutch, and gearbox assemblies.
| Identifier | ExFiles\Box 169\1\ img070 | |
| Date | 17th April 1930 | |
| (4) Flywheel & Clutch to L.O.P. G.75582. (1) Pressure Plates G.75580/Y modified to Drawings Ex.4768/9 in Cast Iron. (2) Ferrule G.75584 modified to drawing Ex.4770 in S/M.{Mr Moon / Mr Moore} (3) Distance Piece G.75585 modified to drawing Ex.4766. (4) Springs G.73710 for rear pressure plate 50% stronger, to drawing Ex.4767. (5) Plain friction plate with Ferodo rivetted on, to drawing Ex.4766. (6) Clutch spigot ball bearings G.75343/4 with increased float. Gear Box & Actuating Gear to L.O.P. G.77535. Hardy Fabric coupling with rivetted on plates. Speedometer Drive to L.O.P. G.77576. 1st. & 3rd. Motion Shafts to L.O.P. G.75618. Servo Drive to L.O.P. G.76740. 2nd. Motion Shaft to L.O.P. G.75618a. Reverse Shaft to L.O.P. G.75676. Servo Mechanism to L.O.P. G.77669. Cotton "A" fabrics secured to pressure plates by staples in place of copper tubular-rivets. RHC{R. H. Coverley - Production Engineer}/ESC. | ||