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 plotting the effect of petrol pipe size on Autovac petrol delivery against engine RPM at half throttle.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 188 | |
| Date | 13th June 1927 | |
| INDUCTION PIPE DEPRESSION (INS. MERCURY) 5.5, 10.1, 12.8, 14.4 AUTOVAC PETROL DELIVERY (PTS/HR) 90, 80, 70, 60, 50 AUTOVAC PETROL FEED. EFFECT OF SIZE OF PETROL PIPE ON AUTOVAC DELIVERY. STANDARD PIPE 3/8" PIPE. HALF THROTTLE ENGINE R.P.M. 500, 1000, 1500, 2000, 2500 13.6.27 | ||