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).
Diagram and test results for a petrol lift system using an Autovac.
| Identifier | ExFiles\Box 40\4\ Scan316 | |
| Date | 17th October 1929 guessed | |
| 5/16 dia pipe 1/4 bore PETROL LIFT 36" TOTAL LENGTH OF PETROL PIPE 204" <- 66" -> <- 12" -> BALL VALVE AUTOVAC -> PUMP 740 RPM. AUTOVACS AS SUPPLIED TO ROLLS-ROYCE, WITH FLOAT WEIGHTED TO 139 GRAMMES. 1st. With Standard Non-return Valve in Suction Elbow. 10.9 gallons per hour. 2nd. Without " " " " " " " 11.1 " " 3rd. With " " " " " " " "using Ball Valve 12" from Autovac. 12.3 " " " 4th. Without " " " " " " " "using Ball Valve 12" from Autovac. 12.4 " " " ---------------- | ||