Graph plotting inlet valve displacement against piston displacement, comparing 'Hispano' and 'E.A.C.' specifications.
| Identifier | ExFiles\Box 22\1\ Scan145 | |
| Date | 12th March 1924 guessed | |
| INLET VALVE DISPLACEMENT. ON PISTON DISPLACEMENT BASE. TOP CENTRE .50 .40 .30 .20 .10 0 HISPANO E.A.C. PISTON DISPLACEMENT FROM IN CENTRE. STROKE 0 1 2 3 4 5 5.5 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 BOTTOM CENTRE HISPANO E.A.C. 225° | ||
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).