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 engine and chassis modifications for Spectre Chassis 2-S-I before its delivery to France.
| Identifier | ExFiles\Box 91\3\ scan0096 | |
| Date | 16th September 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} x500a (2) Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}14/KW.16.9.35. SpectreCodename for Phantom III Chassis 2-S-I. Will you please carry out the following modifications to this car before it goes to France :- ENGINE. (1) Blank up the vent holes in the floatchambers. (2) Drill one .105" dia. hole in the centre of each floatchamber lid.{A. J. Lidsey} (3) As soon as available, fit a set of 28 SWG. floats as instructed in Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}13/KW.13.9.35. (4) Fit strengthened Dural push rods, LeC.4626 if available. (5) Flywheel ignition markings to HB{C. E. Harcombe}/Rm.{William Robotham - Chief Engineer}14/KW.10.9.35. (6) Improved fettling on cylinder heads to better the oil drainage from the heads. CHASSIS. (1) Carburetter mixture control too stiff in action. (2) Fit engine torque reaction damper, LeC.4595, not issued. (3) Drill hole in front apron for centre lamp wire. (4) Fit tap between petrol tank and filter on frame side. (5) Fit stronger brake pull-off springs. (6) Shock damper control working reverse way. Check front damper poundage. (7) Fit 7" dia. air silencer. This means changing the flanges over from the present 6" dia. air silencer. | ||