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 schemes for the Flywheel, Clutch, Gear Box, and Servo Motor Mechanism.
| Identifier | ExFiles\Box 169\1\ img095 | |
| Date | 3rd September 1930 | |
| (2) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS3.9.30. Flywheel & Clutch to LOP. G.78478. Modified to Arrgt: Drg: Ex.5182 using Cast Iron Pressure Plate# Ex.5222 (larger type). Gear Box & Actuating Gear to LOP. G.78495 - LeC 2807. Bottom Cover G.78741 to G.L.413, Scheme to cure oil leaks at Rear End of Crankshaft. Servo Motor Mechanism to LOP. G.77669. Centre Bearing G.77265 and Oil Plug Centre Bearing G.77782 modified to latest drgs: to allow equal distribution of oil to the Servo Cams and Shaft. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||