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).
From Sg. to Hs. regarding Hancock's report on valve clearance issues under hard usage.
| Identifier | ExFiles\Box 14\6\ Scan201 | |
| Date | 14th July 1931 | |
| V 7230. 33/143/31 To Hs.{Lord Ernest Hives - Chair} from Sg.{Arthur F. Sidgreaves - MD} re 25-EX. Sg{Arthur F. Sidgreaves - MD}2/E14.7.31 From the reports received within the last day or so, I notice that Hancock reports considerable trouble with valves losing their clearances and he mentions that, whilst this may not occur in England in ordinary use, nevertheless it occurs under conditions of hard usage. I should be glad to have your comments in regard to this matter. Sg.{Arthur F. Sidgreaves - MD} | ||