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 showing the effect of petrol pipe size on Autovac petrol delivery relative to engine RPM.
| Identifier | ExFiles\Box 40\4\ Scan256 | |
| Date | 13th June 1927 | |
| INDUCTION PIPE DEPRESSION (INS: MERCURY) 8.6 13.8 16.2 AUTOVAC PETROL FEED EFFECT OF SIZE OF PETROL PIPE ON AUTOVAC DELIVERY AUTOVAC PETROL DELIVERY (PTS/HR) 90 80 70 60 STANDARD PIPE 3/8 PIPE 1/4 THROTTLE ENGINE R.P.M. 800 1000 1500 2000 2500 13.6.27 | ||