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).
Tests to overcome brake squeaks on a Phantom model by making the damping sectors heavier.
| Identifier | ExFiles\Box 120\1\ scan0022 | |
| Date | 2nd November 1928 | |
| Hs.{Lord Ernest Hives - Chair} from GWH.{George W. Hancock - Head Chateauroux} 74612 2.11.28. 'PHANTOM - RE. BRAKE SQUEAKS. X8420 We have tried out numerous tests to overcome squeaks by the application of various dampings. We have arrived at a considerable improvement by making the damping xxxxxx sectors heavier i.e. .100" thicker. The improvement is such that whereas the squeak comes in at 20 m.p.h., it is reduced down to 10 m.p.h., the volume correspondingly. We should like to verify this improvement on other cars, therefore we enclose sketch shewing dimensions required for new damper sectors. We have tried a greater load by the spring on the present dampers but do not get the same improvement. Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} sketch sent to BY.{R.W. Bailey - Chief Engineer} | ||