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).
Request for new parts for the Dubonnet independent wheel suspension to improve damping control.
| Identifier | ExFiles\Box 154\1\ scan0235 | |
| Date | 4th January 1935 | |
| 43873 RHC. {R. H. Coverley - Production Engineer} From Hs {Lord Ernest Hives - Chair} /Std. Hs {Lord Ernest Hives - Chair} /Std.8/MA.4.1.35. DUBONNET INDEPENDENT WHEEL SUSPENSION. The oil passages and valves of the shock dampers of this suspension are so small that we cannot control the damping as we wish. Will you therefore please have the following parts made, in order to obviate this trouble. Hs. {Lord Ernest Hives - Chair} 1681 - Damper cylinder cover - 2 off. Hs. {Lord Ernest Hives - Chair} 1682 - Damper valve body - 2 off. Hs. {Lord Ernest Hives - Chair} 1683 - Damper valve springs - 2 pairs as specified on drawing. Hs. {Lord Ernest Hives - Chair} 1684 - Damper valve spring stop - 4 off. Hs. {Lord Ernest Hives - Chair} 1685 - Damper replenishing valve - 8 off. We attach blue prints of these parts. Hs {Lord Ernest Hives - Chair} /Std. | ||