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).
Issues with flexible rear brake drums on the Phantom III and a request to produce modified drums for testing.
| Identifier | ExFiles\Box 92\4\ scan0110 | |
| Date | 16th November 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} x306 HS{Lord Ernest Hives - Chair}/AFM.{Anthony F. Martindale}5/KW.16.11.35. Phantom III Rear Brake Drums. We have discovered that our brake troubles on Ph.III are due to very flexible rear drums. We have asked E.{Mr Elliott - Chief Engineer} to instruct drums with ribs 1" deep for production. Will you please make 4 pairs of drums with the ribs increased by this amount. The breathing holes next the end plate should not be drilled: otherwise the drums should be as detailed on G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 83008. We want to try these drums on a car at the earliest possible moment. HS{Lord Ernest Hives - Chair}/A.F. Martindale. | ||