Drag and Cooling Tests in the 24 ft. Tunnel on a Series of Centaurus Wing Nacelle Installations suitable for the Buckingham Aircraft

摘要

This report combines the results of three separate investigations on cowling for the Centaurus 1'8-cylinder radial air-cooled engine. These are :—n(i) A conventional N.A.C.A. cowl, the engine having a front exhaust ring (C.T.A.) and a single exhaust pips.n(ii) A similar cowl, the engine having 18 internal swept-back exhaust pipes terminating at the gill exit.n. (iii) A cowl with a high-speed entry similar to that on the Tempest II single-engined fighter and engine as for (ii) above.nThe main results are given in tabular form.