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).
Clearance volume of an engine with 80 lbs compression.
| Identifier | ExFiles\Box 19\7\ Scan031 | |
| Date | 16th September 1914 | |
| x790. Wor{Arthur Wormald - General Works Manager}/Mcr25/L16914. E.{Mr Elliott - Chief Engineer} St Margarets. 16-9-14. In reply to your memo E1/B14914 Mr Hives informs us that the clearance volume of a Rolls-Royce engine with 80 lbs compression is 20.5 cubic inches. p. Wor.{Arthur Wormald - General Works Manager} Mcr. | ||