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).
Instructions for modifications to self-adjusting tappets and rocker bushes for model 28-EX.
| Identifier | ExFiles\Box 17\6\ Scan284 | |
| Date | 18th July 1934 | |
| x7060 RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell} Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}5/MA.18.7.34. Will you please carry out the following for use on the set of Self-adjusting tappets which are being prepared for 28-EX. -------- A set of 8 oil metering screws to Hs.{Lord Ernest Hives - Chair}1470, the existing screws (E.85577) allowing to great a flow of oil. -------- Modify existing rocker bushes to Hs.{Lord Ernest Hives - Chair}1471 and in conjunction with this modification, drill .031 dia. holes in the valve end of each rocker. These are at present blanked. Hs{Lord Ernest Hives - Chair}/L.H.Swindall. | ||