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).
The advantages of lead-asbestos and lead-impregnated linings in brake development, specifically referencing the Bendix brake system.
| Identifier | ExFiles\Box 146\2\ scan0084 | |
| Date | 25th January 1937 guessed | |
| -3- When one considers brake-drum revolution speeds and the temperatures set up by braking one quickly realises the importance of this lead-asbestos Solution. The lead makes the braking smooth, progressive, powerful and certain. It saves and at the same time rejuvenates the drum. At all points throughout the speed range of the vehicle it assures a good agreement between the pulleys and the linings. It is, I repeat, a decidedly progressive step in Brake development. I have sometimes made prophesies during my career as a motoring Journalist and critic. I advocated High Speed Engines Front-Wheel Brakes and Aluminium Heads. To-day I tell you that: "The Bendix Automatically-Compensating Brake with linings into which lead has been fabricated, constitutes the greatest advance in brake technique since the introduction of the Front-Wheel Brake." If you wish we will re-open this question twelve months hence for, by that time, lead-impregnated linings will be definitely established. ---------- | ||