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 modifications and parts to be fitted to car IV.PFR.II.
| Identifier | ExFiles\Box 169\3\ img049 | |
| Date | 25th April 1933 | |
| RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}10/KT. 25.4.33. IV.PFR.II. While this car is in the shop, will you please fit :- (1) Multiplate servo Ex.10914. (2) Front equaliser levers to the Ropes to G.100528, to give 50% front braking. (3) Balance weights which were removed in the garage - (these are in the stores). (4) Oil cooler to Ex.10967. Will you please fit servo gears with less backlash and also if possible quieter continuous gears, and make sure that the clearance of the synchromesh cam in the slot is correct. We should also like a quieter axle if this is available. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||