List of modifications and updates for various vehicle components.
| Identifier | ExFiles\Box 5a\1\ 01-page008 | |
| Date | 6th January 1931 guessed | |
| (2) REAR BRAKE EQUALISER (FRONT). Reduced direct braking by 25%, to reduce sponginess of brakes. HEAD LAMPS. Support Tube D.51976. 1.1375" dia. to bring in line with Phantom II practice. DUNLOP RUBBER FAN BELT. FLYWHEEL AND CLUTCH to LOP.G.54364 - Lec 2830/1 - G.L.435. New modified Flywheel & Clutch, incorporating separate Gear ring, revised lightened type, stronger springs, damper plate, and automatic lubrication spigot bearing. Modification to be made dealing with faults found during 10.000 miles test. GEARBOX & ACTUATING GEAR to LOP.G.54070-53463. N.S. 2977-2937 3104-3129. (1) Oiling of Clutch spigot bearing to N.S.2977. Supply of oil to be cut down. (2) Support at rear of Gearbox to N.S.3104-3129- G.L.409. Suspension Bracket G.54279. This scheme to be standardised subject to DA {Bernard Day - Chassis Design} ? making it possible to remove gearbox without removing cross member. STARTER CARBURETTER. Modification to facilitate dfinite starting with increased revs. of engine. PROPELLOR SHAFT. 2.500 dia. to reduce transmission roughness and prevent whirling. LOW INERTIA SPRING DRIVE to LOP. E.54745 - Scheme 1334. (1) Using Double Driving Springs and stronger damper springs, viz:- E.56167 Outer Driving springs. E.56200 Inner E.56208 Damper springs. (2) Spring Plate machined with windows to Drg: Ex.5217. | ||
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).