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).
Modifications to the 20/25 HP clutch, including the use of Ferodo and changes to the damper plate and starter ring attachment.
| Identifier | ExFiles\Box 5\6\ 06-page057 | |
| Date | 3rd November 1929 | |
| Copy. Ex. From DA.{Bernard Day - Chassis Design} c. to SS.{S. Smith} c. to Hs.{Lord Ernest Hives - Chair} V5300 DA.{Bernard Day - Chassis Design}3/MS.11.29. X.5300 X.3409 20/25 HP. With reference to the suggestions to use Ferodo on the driven member of the existing 20/25 HP. clutch, we send you herewith N.Scheme 2975 shewing slight modifications to the proposal originally made on N.Scheme 2957. The modifications consist principally in the use of a stop for the damper plate, similar to the one proposed for Phantom, and an increase in the clearance allowed for dust etc., with the necessary holes for its escape. We have also shewn a modification to the method of attaching the starter ring and the clutch spider by using studs instead of bolts. DA.{Bernard Day - Chassis Design} | ||