Schematic diagram of an oil pump and motor cylinder for a piston and crank test.
| Identifier | ExFiles\Box 42\2\ Scan052 | |
| Date | 23th July 1918 | |
| E {Mr Elliott - Chief Engineer} /G20718 HOLES THROUGH TO CROWN OF PISTON TO GET PRESSURE IN ANNULUM UNDER THE CROWN OIL PUMP IS SHOWN CONNECTED ONLY FOR PISTON TEST & HALF DUTY CRANK TEST SEE MEMO ATTACHED ORDINARY MOTOR CYLINDER FOR REVERSE TORQUE PLAN R. {Sir Henry Royce} R. {Sir Henry Royce} 235 a (400 T) S. C. 638. 18-2-16 G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 1546. | ||
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).