10,000-mile test of the latest type of split aluminium pistons.
| Identifier | ExFiles\Box 77\3\ scan0116 | |
| Date | 13th February 1920 | |
| x3751 Hs. {Lord Ernest Hives - Chair} from EP. {G. Eric Platford - Chief Quality Engineer} c. to Bn. {W.O. Bentley / Mr Barrington} c. to WOR. {Arthur Wormald - General Works Manager} EP {G. Eric Platford - Chief Quality Engineer} 8/F13.2.20. RE. 10,000 MILES TEST OF LATEST TYPE SPLIT ALUMINIUM PISTONS. Yesterday's run on 36-TW - 320 miles. Total Miles run since pistons fitted - 5750 " Report:- Engine dismantled and pistons returned to Exp: Dept. .075" more clearance given to the inside bosses on all pistons. Elusive knocks very bad on 4, 5 and 6 pistons after 50 miles running. Piston knock No.6 cylinder. EP. {G. Eric Platford - Chief Quality Engineer} | ||
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).