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).
Note confirming the standard use of steel clutch rings following successful testing.
| Identifier | ExFiles\Box 20\3\ Scan036 | |
| Date | 21th August 1912 | |
| Cone Clutch. (Re use of steel for clutch rings) TBB5/L21812. Mr Nadin 21.8.12. Mr Platford reports that the steel clutch rings which hehas had on test have given every satisfaction. One of these rings has run for 2500 miles, including a considerable amount of hill climbing. This note is to confirm the use of steel ciutch rings as standard. [Handwritten on left margin] X357 | ||