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\ Scan129 | |
| Date | 16th March 1935 guessed | |
| ITEM. DESIGN POSITION SPECTRECodename for Phantom III - CONTINUED:- Carburetter filter. Completed 6/7/35. Horn button for twin tone horns. Completed 12.7.35. Modified low tension wires in Vee. Completed 10/7/35. Modified air intake. Completed 1/8/35. Connecting Rod - modification to taper plug. Completed 11.7.35. Exhaust silencer with reduced back pressure. Completed 12.7.35. Dynamo drive gear to suit M.A.A.G.grinder. Completed 17.7.35. Bottom fixing for radiator shell. Completed 29.7.35. Split type piston. Completed 19.7.35. Chromium plated tappet. Completed 1.8.35. Connecting Rod - modified oil grooves - big-end. Completed 3.8.35. Modified distributor wiring. Completed 5.8.35. Strengthened duralumin push rod. Completed 5.8.35. I.F.W.S. Smaller bellows with stop for minimum position. Completed 12.7.35. Gearbox thrust stay. In hand. I.F.W.S. Oil filler and level device - auto lock damper. In hand. Mod. to bolting of steering box to cure oil leaks. Completed 6.7.35. | ||