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 listing the status of modifications for various chassis and engine models.
| Identifier | ExFiles\Box 30\3\ Scan223 | |
| Date | 4th September 1935 guessed | |
| ITEM. (2) DESIGN POSITION. 20/25 HP CHASSIS. Large bore engine with Stromberg carburetter. In hand. Gearbox:- modification to isolated change gear lever to prevent cross winding. Completed 31.8.35 Turbulent cylinder head for large bore engine. In hand. Brackets for Lucas Wind tone horns. Completed 6.9.35. PHANTOM II TANK ENGINES. Modified position of air cleaner. Held up. SPECTRECodename for Phantom III CHASSIS. Relay operated change gear control. In hand. Hydraulic jacking system - front and rear. In hand. Modified crankshaft balance weights. Put aside. Improved damper hand control valves. In hand. Revised damper governor unit with simplified valves. In hand. Revision of engine with divided construction. In hand. Improved gearbox support rubbers. Put aside. Gearbox:- Mods to oil return in front cover to suit blanked off reverse shaft. Completed 28.8.35 Two carburetter induction system. In hand. | ||