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).
Tests on brake friction, referencing an attached chart from Ferodo.
| Identifier | ExFiles\Box 26\4\ Scan243 | |
| Date | 2nd February 1924 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. RG.{Mr Rowledge} c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} c. to BY.{R.W. Bailey - Chief Engineer} X719 V8009 Hs{Lord Ernest Hives - Chair}3/LG14.2.24. Tests are in progress to obtain reliable results on actual brakes between friction at rest and sliding. We attach chart which we have obtained from Messrs. Ferodo which gives the figure for this. Hs.{Lord Ernest Hives - Chair} | ||