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).
Sample 40/50 HP Clutch Disc from the Ferodo Company, detailing a new manufacturing process.
| Identifier | ExFiles\Box 26\4\ Scan401 | |
| Date | 9th September 1929 | |
| To BY.{R.W. Bailey - Chief Engineer} from ROY.{Sir Henry Royce} " Hs.{Lord Ernest Hives - Chair} " ----------------- X719. ROY{Sir Henry Royce}4/MG2.9.29 ----------------- Herewith sample 40/50 HP. Clutch Disc made by the Ferodo Company - which they designate R.A.D.Type, New Process. The material for such Discs is woven radially, then Die pressed; and they claim the loading used in same is far less liable to exude by this process. They can grind to very close limits; and claim that, in addition to absence of exudation, the discs will remain flat indefinitely. As far as cost is concerned, it is practically the same. ROY.{Sir Henry Royce} ENCLOSURE. Disc. (One to BY, one to Hs{Lord Ernest Hives - Chair}) ENCLOSURE Nº 191 JUSTSO | ||