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).
Customer complaints of a squawking noise from the rear brake drum due to small stones, proposing two experimental solutions.
| Identifier | ExFiles\Box 66\5\ scan0019 | |
| Date | 1st August 1925 | |
| X. 8360 To BY/TWD{T. W. D???Aeith}½ c. to Hs.{Lord Ernest Hives - Chair} BY15/H7. 8.25. 20 HP. AND 40/50 CHASSIS. REAR BRAKE DRUM COVER. X.5360 I am handing you herewith N.sch.2038 and 2039 showing proposals which have been put forward to overcome the complaint which we have from customers in regard to small stones getting between the cover and the brake drum itself, setting up a squawking noise which is most disagreeable. Will you kindly detail the two schemes and issue them experimentally only. BY.{R.W. Bailey - Chief Engineer} | ||