Avro 604 Antelope    J9183                                              (c/n

                           

                               The Antelope was a day bomber built to the same spec (12/26) as the Hawker Hart and Fairey
                               Fox.   The Avro design was not selected and consequently only the prototype was built.   Follow-
                               ing testing at Martlesham Heath, the airframe was used as a test bed for various iterations of Rolls
                               Royce Kestrel engine.   I suspect the above image shows it with a Kestrel up front.