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).
Graph comparing petrol delivery for Autovac and Grav-vac systems against induction pipe depression.
| Identifier | ExFiles\Box 40\3\ Scan082 | |
| Date | 22th November 1923 | |
| Y-Axis: PETROL DELIVERY (PTS/HR) X-Axis: INDUCTION PIPE DEPRESSION (INS MERCURY) Title Box: PETROL DELIVERY AT 1000RPM. AUTOVAC AND GRAV-VAC. PETROL RAISED 32". THROTTLING CURVE ON M/S ENGINE (R=4.25:1) Legend: AUTOVAC: -- -- -- GRAV-VAC: _______ Handwritten Text: 22.11.23 Stamp Number: 22463 | ||