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).
Blueprint of an apparatus for measuring airflow past valves for different pressure heads and various lifts.
| Identifier | ExFiles\Box 92\2\ scan0046 | |
| Date | 27th October 1928 guessed | |
| S.S. VALVE TESTS. THIS APPARATUS IS USED FOR MEASURING THE AIR FLOW PAST THE VALVES FOR DIFFERENT PRESSURE HEADS & VARIOUS LIFT. VALVE LIFT ADJ. SCREW DELIVERY PIPE. TUBE CONNECTED TO CYL. HEAD 4.25" DIA 24.00 U. TUBE AIR VENTURI METER. DRIVEN BY 20 H.P. ENG. BLOWER. RIG FOR MEASURING AIR FLOW PAST VALVES ON S.S. CYL. HEAD. | ||