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).
Clarifying valve timing particulars and clearances for the F.X No.14 engine.
| Identifier | ExFiles\Box 33\4\ Scan108 | |
| Date | 31th January 1928 | |
| X1770 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. Hs{Lord Ernest Hives - Chair}/VH1/LG31.1.28. Mr. Wenger from Hs{Lord Ernest Hives - Chair}/VH. X2810 We give below particulars asked for :- RR. F.X No.14 Valve timing. Time 38º A.B.D.C. for Exh in.cl. with .030" clearance same as for present engines. The log book timing quoted by you represents (approx.) the points at which the valves open and close with .020" (standard working) clearance. Hs{Lord Ernest Hives - Chair}/VH. | ||