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).
Warning against making double brake drums too thin and suggesting taking metal out of other parts of the drum instead.
| Identifier | ExFiles\Box 1\6\ B001_X2 Double Rear Brakes-page069 | |
| Date | 26th September 1913 | |
| COPY. COPY. R5/P 26.9.13. By 30:9:13 Hy{Tom Haldenby - Plant Engineer} 30:9:13 X2 To Wor.{Arthur Wormald - General Works Manager} from R.{Sir Henry Royce} With reference to double brakes, be sure not to have these brake drums too thin; such would be fatal. You can, however, try to take the metal out of various parts of the drum. R.{Sir Henry Royce} COPY. R | ||