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).
Test results on the Goshawk I engine, specifically the effect of valve timing on power.
| Identifier | ExFiles\Box 48\4\ Scan099 | |
| Date | 9th July 1923 | |
| EY. from Hs.{Lord Ernest Hives - Chair} EP.{G. Eric Platford - Chief Quality Engineer} ---------------- X4226 X5310 Hs{Lord Ernest Hives - Chair}3/LG9.7.23. X4226 We attach herewith prints showing the effect of Valve Timing on Power. These were taken on the original Goshawk 1. engine which has separate Camshafts for Inlet and Exhaust. We have taken up the results of these tests with R.{Sir Henry Royce} and he is going to instruct a Camshaft for experiment with less angle between the cams. Hs.{Lord Ernest Hives - Chair} | ||