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).
Design position report detailing modifications for various chassis and engines.
| Identifier | ExFiles\Box 30\3\ Scan175 | |
| Date | 3rd May 1935 guessed | |
| ITEM. (2) DESIGN POSITION. 20/25 HP. CHASSIS. Engine controls to suit SpectreCodename for Phantom III Marles steering box. In hand. Water excluders for front brake drums. Completed. 3rd crossmember for use with .850" hypoid rear axle and 6.00 x 17" tyres. Completed. Japan 3 hypoid rear axle modified and brought up to date to suit 20/25 HP. car. Completed. Gas tight pedals. In hand. Isolated gear change lever. Completed. PHANTOM II TANK ENGINES. Modified position of air cleaner. In hand. Modification to engine oil filters. Completed. SPECTRECodename for Phantom III CHASSIS. Cylinder head modifications. In hand. Relay operated change gear control. In hand. Gearbox:- mods to reduce cost of manufacture. Completed. " casing mods to take larger bearings for Cadillac 45º gears. In hand. | ||