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).
List of proposed modifications for the Phantom III car to reduce production costs.
| Identifier | ExFiles\Box 91\1\ scan0537 | |
| Date | 10th June 1938 | |
| Sg.{Arthur F. Sidgreaves - MD} Hs.{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} C. HPS{Horace Percy Smith - Experimental Factory Mgr} 300 BY.19/G.10.6.38. PHANTOM III. With the object of reducing the cost of production on the above car, it is proposed to produce and try out the following features :- Crankshaft with wide intermediate bearings. Packard Type Balancer weight in .4% carbon steel to E.CD.284. Dynamo and Water Pump driven at 1 1/2 x engine speed to E.CD.551 and E.CD.623. Dynamo should if possible, be brought into line with B.50. Modified Oil Relief Valve, Oil Pump and AC.Filter. E.CD.590. New type of filter is being investigated by Experimental and Design. Modified Oil Filter in Sump. E.CD.628. Modified Offside Downtake Pipe and Intermediate Pipe Stays. E.CD.603. Wraith Type Steering Box. F.CD.545. Modified Controls to suit Wraith Type Steering. E.CD.644. Camshaft and Barrel Type Tappet. E.CD.635. Saving of £10.10.0. over present scheme. Wraith Type Starter Motor. D.CD.401. Modified Cross in Frame. F.CD.595. Reason for additional holes on production in near-side questioned. Threaded Shackles. Rear Springs. F.CD.546, F.CD.560. Detailed cost figures required. Hand and Foot Brake on same shoes. G.CD.558. Detail cost figures required. 4-Fingered clutch. Increased inertia. G.CD.653. Detailed cost figures required. | ||