Curve showing the variation of air flow with varying valve lift for a large valve (E.83906) cylinder head on a Phantom engine.
| Identifier | ExFiles\Box 31\2\ Scan117 | |
| Date | 29th August 1933 guessed | |
| PHANTOM FLOW THRO PORT CU.FT/MIN CURVE SHOWING VARIATION OF AIR FLOW WITH VARYING VALVE LIFT FOR LARGE VALVE (E.83906) CYL HEAD CURVE. 5. VALVE LIFT. - INS. | ||
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).