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).
Work schedule for fitting and testing different engine heads and valves.
| Identifier | ExFiles\Box 133\1\ scan0195 | |
| Date | 5th May 1937 | |
| -2- Work to be done. Time. SHOP. Fit alum head with large inlet valve on standard block Ex.1/162 using cooled exhaust valve to SCT.53. Power on standard high power timing with (a) 36 m/m choke (b) 38 m/m choke (c) 40 m/m choke. 3-4 days. Power with best choke and 1.0 T.D.C.; I.C. 28% Power with best choke and 1.0 T.D.C.; I.C. 33 Fit inclined valve high power head to LeC.5368 on alum block, using uncooled exhaust valve to RS.{Sir Henry Royce's Secretary}340 Power and detonation. 1 day. We shall require the above parts as under :- (1) Large valve block - Reqd. 5.5.37. (2) Alum head with large inlet valve - Reqd. 8.5.37. (3) Inclined valve alum head and block. - Reqd. 14.5.37. SPARES. The following spares are still outstanding :- (1) Tachometer drive to SCT.53. (2) Re-conditioned T.H. crankcase. Chassis General valve gear rig. We should be glad if you would have this built up ready for millwrights. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||