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).
Technical note on the performance of the F.10 cross web piston, regarding its cooling and oil control.
| Identifier | WestWitteringFiles\P\July1926-September1926\ Scan125 | |
| Date | 27th September 1926 | |
| TO HS.{Lord Ernest Hives - Chair} } FROM R.{Sir Henry Royce} ~~RG.{Mr Rowledge}~~ ~~BY.{R.W. Bailey - Chief Engineer}~~ ~~C. to BJ. WOR{Arthur Wormald - General Works Manager}~~ ORIGINAL R2/M27.9.26. F.10. PISTON. X39383 The cross web piston is probably the best cooled piston we know of because of the greater surface in contact with cylinder - LeC.2291. Possibly it is deficient in keeping down oil. R.{Sir Henry Royce} | ||