Blueprint of an adapter for an air silencer for a twin choke Zenith carburettor.
| Identifier | ExFiles\Box 122\1\ scan0116 | |
| Date | 20th May 1931 | |
| V1143 3.150 2.000 1.300 RAD 1.500 .150 .137 .3125 DIA .50 RAD 2.050 RAD 5.000 1.910 GENERAL THICKNESS OF METAL .150 A 4.250 .250 RAD. 2.600 3.450 1.200 RAD 1.650 RAD. 3.700 4 HOLES DRILL & TAP 2BA 2.500 DIA 1.250 .825 2.625 2.85 RAD 60° .325 RAD .400 2.500 RAD 2 HOLES DRILL .213 DIA. SCRAP VIEW IN DIRECTION OF ARROW No. OFF 1 MATERIAL A {Mr Adams} /C ADAPTER FOR AIR SILENCER (TWIN CHOKE ZENITH CARB. ON JAPAN(Experimental Engine)) (SCALE 1/1) 20 MAY 31 | ||
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).