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 to test increasing the valve lift on a 3,500 bore Bentley engine and apply it to the latest engine type.
| Identifier | ExFiles\Box 82\4\ scan0170 | |
| Date | 5th October 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} x200 Hs{Lord Ernest Hives - Chair}/Smth.6/KW.5.10.35. 3.500 Bore Bentley. We wish to test whether or not there is anything to be gained by increasing the valve lift on the 3.500 bore Bentley. Hs.{Lord Ernest Hives - Chair}2174 shows what appears to be the simplest way of doing this. Will you please detail this and instruct the pieces. We wish to apply this to the latest type of engine, so will you detail for the EB.2560 head and with tappet adjusting screws on the rockers. Hs{Lord Ernest Hives - Chair}/Smth. | ||