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).
Brake effectiveness and squeaking issues on Phantom II models.
| Identifier | ExFiles\Box 120\1\ scan0044 | |
| Date | 10th April 1931 | |
| Copy X4612 17360. X4612 To Hs.{Lord Ernest Hives - Chair} from Sg.{Arthur F. Sidgreaves - MD} re Brakes on P.II's. Sg{Arthur F. Sidgreaves - MD}17/E10.4.31. Copy to Mor. PN.{Mr Northey} I should be glad to know how we stand now in regard to the question of a modification to overcome the difficulty of the brakes losing their effectiveness when used fairly continuously in mountainous country etc. You will remember that this is a complaint which was first raised when one of the Bentley people (either Birkin or Kidston) tried a P.II car soon after it was announced in 1929, but the trouble still seems to be with us and I understand that Heckford experienced it on 26-EX when abroad recently. I understand that in connection with this and brake squeaks we have been trying ribbed brake drums made in steel and cast iron, and in this connection I have before me Hs{Lord Ernest Hives - Chair}/GWH{George W. Hancock - Head Chateauroux}6/KT.1.4.31. There are, however, two entirely separate points - one is a modification to eliminate rear brake squeaks and the other is the modification to eliminate the trouble referred to, and I should be glad to know how we stand in regard to both. Sg.{Arthur F. Sidgreaves - MD} | ||