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).
Hand-drawn sketch comparing seven different design arrangements for a Bensport cylinder head.
| Identifier | ExFiles\Box 88\4\ scan0003 | |
| Date | 30th May 1932 guessed | |
| BENSPORT CYLINDER HEAD 1 2 3 4 5 6 3 A.{Mr Adams} PRESENT ARRG'T B. 5 BRANCH EXHAUST C. 6 BRANCH EXHAUST WITH CYL'R HEAD SLIGHTLY LENGTHENED E.{Mr Elliott - Chief Engineer} PORTS INTERFERE, ALSO OFF-SET ROCKER ARMS F.{Mr Friese} CYL'R HEAD LENGTHENED, OFF-SET ROCKER ARMS, IMPROVED SPK FOR SPARK PLUG B EXHAUST MAY BE APPLIED T.F. (Valves are marked 'E' for Exhaust and 'I' for Inlet throughout the drawings) | ||