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 required modifications for 12 production chassis, including suspension, dampers, and jacking points.
| Identifier | ExFiles\Box 91\1\ scan0097 | |
| Date | 8th October 1935 | |
| To By.{R.W. Bailey - Chief Engineer} +300 Hs{Lord Ernest Hives - Chair}/Les.2/KW. 8.10.35. 12 Production Chassis. Further to your By/Cgh.{W Clough}1/G.4.10.35, the following items will also be required :- (1) Front Suspension G.83356. (a) Tube G.83460 requires sweating to the valve chamber G.82725, in order to lock the thread. (b) Chamfer to be deleted on the spring pot G.83617 in order to increase the area of the joint washer to the valve chamber G.82725. (c) Buffers to be attached to the spring pot and not to the triangular brackets. (d) Spring guide bores to be spirally grooved to Hs.{Lord Ernest Hives - Chair}2143. (e) Increased clearances for brake levers to N.Sch.4646. (2) Rear Shock Dampers. (a) Standard type rear dampers to be reversed so that the damper filler plug faces the centre of the chassis. (b) Damper suspension N.Sch.4525 as on SpectreCodename for Phantom III II. (c) Stone guard N.Sch.4650. (3) Jacking pads to be fitted so that Dunlop Jacks can be used. The mechanical D.W.S. Jacks cannot be fitted satisfactorily. (a) Front Jacking Pad, N.Sch.4655. (b) Rear Jack Pad, Ex.20254. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} | ||