Here we see an Avro 504F powered by a 100hp Sunbeam Dyak engine. This aircraft was originally powered by a Rolls Royce engine, but that appears not to have been a success.
How to cite this article:
Rickard, J (20 April 2024), Avro 504F from the front-left , http://www.historyofwar.org/Pictures/pictures_avro_504F_front_left.html