549 Aldershot, J6852, (first prototype)

650 hp Rolls-Royce Condor III

First Avro with a metal fuselage. Latter used to test 850 hp Beadmore Typhoon. 850 hp at 1350 rpm, 4207 in³, 8.625" bore, 12" stroke.

Aeroplane Photo Supply No. 1962