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 status for the 'SPECTRE' project.
| Identifier | ExFiles\Box 30\3\ Scan224 | |
| Date | 4th September 1935 | |
| ITEM. (3) DESIGN POSITION. SPECTRECodename for Phantom III - CONTINUED:- Detachable bracket for foot switch. Completed 27.8.35. Sheet asbestos lagged silencer. In hand. I.F.W.S. modified brackets for rubber buffers. Completed 2.9.35. Additional lateral stiffeners in frame. In hand. Mods. to rear spring and shock damper connections to reduce damage by stones. In hand. I.F.W.S. Auto lock damper modified to take ordinary governor controlled valve. Completed 23.8.35. Lubrication scheme for 2nd and 3rd speed bushes and spigot bearing - gearbox. In hand. Sheet asbestos lagged downtake pipes. In hand. Control pipe - damper governor to frame. Completed 27.8.35. Bonnet lock. Completed 29.8.35. More accessible sparking plug cover and terminal. Completed 27.8.35. Gearbox:- 52.5° synchromesh cam for top and 3rd gears. Completed 23.8.35. Modification to servo stop. Completed 28.8.35. Modified balance weights to suit new road wheel rim. Completed 29.8.35. Alternative front gearbox mounting for experiment. Completed 4.9.35. | ||