List of modifications and their design status for the Phantom III vehicle.
| Identifier | ExFiles\Box 30\4\ Scan030 | |
| Date | 22th October 1935 guessed | |
| ITEM. (4) DESIGN POSITION. PHANTOM 3 (CONTINUED 2). Gearbox:- modified rocking shaft for 3rd and top gear. In hand. I.F.W.S. machined face for main housing on front crossmember. In hand. Gearbox - experimental scheme for feeding oil to the inside of the 3rd motion shaft. Completed 17.10.35. Servo - forked rod in place of flat actuating link. Completed 16.10.35. Dunlop bolt on wheels fitted experimentally to existing hubs. Completed 17.10.35. Mods. to autolock rod - rear dampers - temporary scheme. In hand. Mods. to 2nd speed synchro mesh to facilitate engagement. In hand. Disc type road wheel adapted experimentally to existing hubs. Completed 23.10.35. Hydraulic jacks fitted to rear axle. Completed 23.10.35. Flame trap in carburetter air intake. In hand. Thermostatically operated control valve for exhaust heat to Duplex carburetters. In hand. Fitting of Clayton interior heater to dashboard. In hand. Outside petrol tank filler. In hand. Steady bracket for ignition control shaft. In hand. Taps on engine for Clayton interior heater. In hand. | ||
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).