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).
Two graphs comparing left and right-hand engine delivery, and venturi readings versus actual measurements.
| Identifier | ExFiles\Box 24\5\ Scan251 | |
| Date | 1st July 1930 guessed | |
| 3 COMPARISON OF L.H. AND R.H. ENGINES DELIVERY DELIVERY GAL/MIN L.H. ENGINE R.H. ENGINE ENGINE R.P.M. 4 COMPARISON OF VENTURI AND ACTUAL MEASUREMENTS OF QUANTITY VENTURI READING BY FORMULA 8√H USED IN THESE TESTS ACTUAL MEASUREMENT CORRECTED LAW FOR VENTURI FROM THESE CURVES 8.7√H ENGINE R.P.M. | ||