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 induction depressions on an S.S. carburettor related to the area past the choke.
| Identifier | ExFiles\Box 13\3\ 03-page080 | |
| Date | 28th January 1929 | |
| INDUCTION DEPRESSIONS ON S.S. CARBURETTOR. CARBURETTOR TO L.E.C. 2564 V548 28-1-29 Y-Axis: DEPRESSION (INCHES OF MERCURY) X-Axis: AREA PAST CHOKE (RESTRICTOR) IN SQ. INS. Graph line (top): DEPN AT CHOKE Graph line (bottom): DEPN AT INDN PIPE Annotation 1: 1.975 DIA CHOKE WITH RESTRICTOR AT FULL OPEN POSITION, i.e. 1-100 DROP Annotation 2: RESTRICTOR REMOVED ENTIRELY | ||