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).
Status report on design work and modifications for the Bentley and Spectre chassis.
| Identifier | ExFiles\Box 30\3\ Scan019 | |
| Date | 3rd December 1934 guessed | |
| ITEM. (1) DESIGN POSITION. BENTLEY CHASSIS. Frame cross and seperate gearbox (engine moved forward 3"). In hand. Connecting rod with lead bronze big end. In hand. Bonnet strips to suit centrally mounted radiator. Completed. Number plate brackets to suit stabilising bumper. Completed. Revised starting handle to suit stabilising bumper. In hand. Future design work includes the provision of automatically adjusting valve gear including two pressure oil system with separate filter for the tappet gear. SPECTRECodename for Phantom III CHASSIS. I.F.W.S. Mods. to raise the front of the car. Completed. Single piston quadruple downdraught carburetter. In hand. Vacuum control for ignition distributors. Put aside. External mods. to cyl. head to facilitate enamelling. In hand. Reduced oil feed to valve gear and improved cyl. head oil drainage. In hand. Modification to exhaust manifolds. In hand. | ||