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 their status for Bentley, 20/25 HP, and Phantom II Tank Engine chassis.
| Identifier | ExFiles\Box 30\4\ Scan319 | |
| Date | 20th June 1935 guessed | |
| (1) BENTLEY CHASSIS. Frame cross and separate gearbox (engine moved forward 3.00") In hand. 3.5" bore engine. In hand. Modified engine oil suction pipe to suit engine moved forward 3.00". In hand. Run of speedometer and rev.counter drive cables to suit insulated dashboard. In hand. Further modifications to clutch to reduce distortion. Completed. Modification to rolled steel brake shoes (14.125" dia.drums). Completed. Modified front crossmember for centrally mounted radiator and wings. In hand. Higher first speed gear ratio. In hand. 20/25 HP. CHASSIS. Steering column adjustable for length. In hand. Bonnet with sloping shutters. Completed. Automatic mixture weakening device to improve petrol consumption. In hand. PHANTOM II TANK ENGINES. Modified position of air cleaner. In hand. | ||