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).
Improving Mean Effective Pressure (MEP) for 20HP and 40/50 engines.
| Identifier | WestWitteringFiles\P\2October1926-December1926\ Scan043 | |
| Date | 8th November 1926 | |
| TO E.{Mr Elliott - Chief Engineer} & HS.{Lord Ernest Hives - Chair} FROM R.{Sir Henry Royce} C. to BJ. WOR.{Arthur Wormald - General Works Manager} BY.{R.W. Bailey - Chief Engineer} ORIGINAL R1/M8.11.26. Handwritten numbers: X8771 X5771 X634 X8010 X8060 20HP. & 40/50. ENGINES Better MEP. needed for the above - maximum HP. just under master crankshaft period, also valve springs suitable for just under this speed. R.{Sir Henry Royce} | ||