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 design modifications and their completion status for the Phantom III chassis.
| Identifier | ExFiles\Box 161a\4\ scan0078 | |
| Date | 29th May 1936 | |
| (sheet 2) ITEM. DESIGN POSITION. PHANTOM III CHASSIS. Vacuum servo for clutch operation. Completed 21.5.36. Modified marine type connecting rod for Hall's metal bearings. In hand. Solenoid operated starter motor. In hand. Thickened clutch disc hub - to reduce distortion during hardening. Cancelled. Hooks on engine for slinging purposes. Put aside. Instructions for coachbuilders re fitting of noise insulation. In hand. Modifications for cylinder liner locating stud. Completed 27.5.36. Wheel arch stiffener. " 19.5.36. Carburetter floatchamber "lamp post" type ventilator. " 26.5.36. Mods. to clutch operating mechanism for increased plate separation to accommodate servo operation. " 29.5.36. Steel thrust washers for 3rd speed driven gear. In hand. Mods. to strengthen rear axle differential casing. " 20.5.36. Mod. to vacuum servo clutch operation, forged bracket replacing sheet metal. " 29.5.36. Modifications to clutch to accommodate greater thickness of friction lining. Completed 29.5.36. | ||