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).
J.3. valve rocker and the calculation of its lift.
| Identifier | ExFiles\Box 102\5\ scan0072 | |
| Date | 23th September 1931 | |
| x5090 BY.{R.W. Bailey - Chief Engineer} FROM E.{Mr Elliott - Chief Engineer} E1/M23.9.31. C. to SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} HS.{Lord Ernest Hives - Chair} J.3. VALVE ROCKER CALCULATION OF LIFT. Please find herewith LeC. 2956. shewing the above. This drawing is in agreement with LeC. 2938. on which we have legislated for a valve lift of .4" This lift is .27 of the inlet valve port dia. E.{Mr Elliott - Chief Engineer} | ||