R.A.F. 1A Note: This item is currently in storage. The R.A.F. 1A engine was developed by the Royal Aircraft Factory (later the Royal Aircraft Establishment) in 1913-1914. It is an air-cooled V-8 engine that produces about 90 hp. Among the aircraft using the engine was the R.A.F. B.E.2E, 12 of which were purchased by the American Expeditionary Forces in England for training during World War I. Click here to return to the Featured Accessions index.