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 the size of a petrol pipe on Autovac delivery against engine RPM.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 190 | |
| Date | 13th June 1927 | |
| INDUCTION PIPE DEPRESSION (INS: MERCURY) 2.6 13.8 16.2 AUTOVAC PETROL FEED EFFECT OF SIZE OF PETROL PIPE ON AUTOVAC DELIVERY AUTOVAC PETROL DELIVERY (FT³/Hr) ENGINE R.P.M. STANDARD PIPE 3/8" PIPE 1/4 THROTTLE 13.6.27 | ||