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).
Fitting of a Tecalemit filter to the 20/25 model engine.
| Identifier | ExFiles\Box 135\3\ scan0073 | |
| Date | 4th October 1934 | |
| X 5190 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Smth.11/KW.4.10.34. Tecalemit Filter on 20/25. In conjunction with the use of lead bronze bearings on the 25 HP. engine, we shall have to provide better oil filtering arrangements. Herewith is a scheme, Hs.{Lord Ernest Hives - Chair}1541, for attaching the Tecalemit filter used on the 25 HP. Tank Engines to the standard 20/25. It is fixed well back on the off side of the crankcase. Will you please fit a filter in this manner. Hs{Lord Ernest Hives - Chair}/F.Ll.Smith. | ||