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 status report for Phantom II Tank Engines and Spectre Chassis, listing various modifications and their completion status.
| Identifier | ExFiles\Box 30\4\ Scan341 | |
| Date | 8th August 1935 | |
| (2) ITEM. DESIGN POSITION. P.II TANK ENGINES. Modified position of air cleaner. In hand. SPECTRECodename for Phantom III CHASSIS. Relay operated change gear control. In hand. Hydraulic jacking system - front and rear. In hand. Modified appearance of steering col. controls. Completed 10.7.35. Modified crankshaft balance weights. In hand. Improved damper hand control valves. In hand. Revised damper governor unit with simplified valves. In hand. Gearbox:- Scheme to prevent displacement of selector shaft interlock pin. Completed 6/7/35. Investigation of complaint of insufficient front braking on SpectreCodename for Phantom III No.3. Completed. Chassis prints - for Olympia Show cars. Completed 15.7.35. Revised chassis wiring and piping to suit revised frame. Completed 31.7.35. Heavier main flywheel. Completed 8/8/35. Engine torque reaction dampers. In hand. | ||