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).
Standardisation sheet detailing the performance of brake drum dampers on experimental cars.
| Identifier | ExFiles\Box 66\5\ scan0094 | |
| Date | 20th January 1927 | |
| To BJ. from Hs. {Lord Ernest Hives - Chair} X8420 Hs {Lord Ernest Hives - Chair} 2/LG20.1.27. STANDARDISATION SHEET X. 8420. BRAKE DRUM DAMPER. Replying to BJ9/E19.1.27. One set of these dampers have run 2500 miles on 7-EX car - another set has run 4500 miles on 12-EX car. These dampers reduce the squeaking of front brakes by 80%. Hs. {Lord Ernest Hives - Chair} | ||