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 modifications and component updates for various vehicle systems including carburetter, gearbox, clutch and engine coupling.
| Identifier | ExFiles\Box 169\1\ img126 | |
| Date | 11th July 1930 | |
| (4) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS11.7.30 Starting Carburetter to LeC 2731. Fixed Maximum Restriction to suit Extra Cylinder Lubrication. Gear Box & Actuating Gear to LOP. G.78495. Incorporating:- N.S.2973 Oiling of Clutch Spigot Bearing. N.S.2988 Damper for Brake Gear. N.S.3066/7 Backing Light Switch. Engine Coupling to LOP. G.77903. Hand rivetted coupling to G.L.391. Flywheel & Clutch to LOP. G.78478. Incorporating:- N.S.2973 Automatic Clutch Spigot Lubrication from Gear Box. Complete to above LOP. but incorporating the following modifications. (1) G.78479 Damper Plate produced in I/C. (2) G.78481 Pressure Plate produced in I/C, modified by screwing ferrules into plate, leaving plain facing as shewn on drgs: Ex.5090-1. (3) G.78517 Ferrule modified to Drg: Ex.5091. (4) G.73731 Screws " " " Ex.5092. (5) G.78483 Friction Plate modified to Drawing Ex.5094 (extended length of slots) with Ferodo linings cut in 8 segments, rivetted on. 40° chamfer at each end of Ferodo segments as shewn on Drawing Ex.5103. contd. | ||