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 specifications for car 21-G-IV before its dispatch to France.
| Identifier | ExFiles\Box 101\4\ scan0027 | |
| Date | 24th April 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} +500a Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}18/KW.24.4.35. 21-G-IV. Before this car goes to France will you please - (1) Strip the rear axle for examination as this has run over 15,000 miles on Wakefield's new Hi-Press oil. (2) Build the clutch to the following specification - (a) Exactly as fitted in B- 10 in RHC{R. H. Coverley - Production Engineer}/CP.3/EP.{G. Eric Platford - Chief Quality Engineer}3.4.35. including Terraplane spring centre modified to prevent fracture of the driving plates as carried out on replacement for 5-B-IV, except for - (b) The back plate to have no movement. (3) Servo to Hs.{Lord Ernest Hives - Chair}1589, as fitted to 5-B-IV as instructed in Hs{Lord Ernest Hives - Chair}/PJH.17/KW.15.1.35. 35º cams to Hs.{Lord Ernest Hives - Chair}1631. (Please note, this servo is required for all chassis). (4) Swinging arm to N.Sch.4453. (This cancels previous instructions). (5) Isolated gear lever. (6) Re-line foot brakes with standard material. (7) No propellor shaft damper to be fitted. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||