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 and their status for the Bentley and Spectre chassis.
| Identifier | ExFiles\Box 30\3\ Scan029 | |
| Date | 17th December 1934 guessed | |
| - 1 - ITEM DESIGN POSITION. ================================================ BENTLEY CHASSIS. Frame cross and separate gearbox (engine moved forward 3"). In hand. Connecting rod with lead bronze big end. In hand. Revised starting handle to suit stabilising bumper. Completed. Modified inlet valve (to facilitate production). Completed. Centrally mounted radiator:- modification to radiator crossmember to improve clearance. Completed. Modification to Wilmot-Breedon bumper to improve durability. Completed. Revised front axle control to eliminate brake judders. In hand. Auto adjusting tappets. In hand. SPECTRECodename for Phantom III CHASSIS. ================ Single piston quadruple downdraught carburetter. In hand. External modifications to/facilitate enamelling. cylinder head to In hand. Reduced oil feed and improved cylinder head oil drainage. In hand. | ||