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).
Extract discussing issues with Ferodo material supplied for shock dampers, attributing the problem to water absorption.
Identifier | ExFiles\Box 78\2\ scan0339 | |
Date | 24th January 1921 | |
x.3461b To Hs.{Lord Ernest Hives - Chair} To EP.{G. Eric Platford - Chief Quality Engineer} c. R.R. of America Inc.) from R.{Sir Henry Royce} Extract from R2/G24.1.21. X.3439. RE CLUTCHES. X.3483. X.870. X.3409. X.3461b. The same may be said of the Ferodo supplied for shock dampers.* It spoiled our rear shock dampers,* being worse than lubricated metal to metal. R.{Sir Henry Royce} *Just recently concluded that it may be possible that the water or damp has got inside and caused the ferodo to swell and jam. be sure the clearance are sufficient. | ||