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).
Letter discussing brake drum weight and servo system advantages.
| Identifier | ExFiles\Box 120\3\ scan0169 | |
| Date | 3rd May 1935 | |
| -2- Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}5/KW.3.5.35. should be incorporated if you decided to build a further set for us to try in place of the present layout. We hope you appreciate that the drum weight question is serious. If a particular design of brakes requires heavier drums for cooling purposes it is doubtful whether with our servo system it is an advantage. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||