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).
Sketch showing the shape of a venturi for an F s/c volute draining scheme.
| Identifier | WestWitteringFiles\U\January1930-April1930\ Scan077 | |
| Date | 27th January 1930 | |
| V771. .800 TO "STEP" .525 TO "STEP" FOUR .046 HOLES. .025 CTR. DIRECTION OF AIR FLOW. .344 DIA. .075 DIA. .062 DIA 2.000 RAD. APPROX. 1.000 RAD APPROX. SEE E35512. SKETCH SHEWING SHAPE OF VENTURI. (F s/c VOLUTE DRAINING SCHEME) 27-1-30 | ||