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).
Progress report listing design modifications and their completion status for the 'SPECTRE' project.
| Identifier | ExFiles\Box 30\3\ Scan031 | |
| Date | 17th December 1934 guessed | |
| - 3 - ITEM. DESIGN POSITION. SPECTRECodename for Phantom III - CONTINUED:- Modified position and fixing of headlamps - 2nd chassis. Completed. Modified crankshaft flange. Completed. Upper half steering column - to suit Marles type steering box. Completed. Modified front apron and wings (2nd chassis). Completed. Gearbox - Modifications to allow oil to flow more freely between the two halves of the box. Completed. Alternative method of fixing servo fabrics. In hand. Marles type steering:- revised to facilitate manufacture and to reduce weight. Completed. Modified position for mounting of Marles steering box on frame. Completed. Suction filter for damper governor unit. Completed. Modified rear damper suspension. Completed. Gearbox:- Modification to 2nd speed to prevent gear working out. Completed. Modified transmission shaft to suit semi-servo braking system. In hand. | ||