High Quality Content by WIKIPEDIA articles! The Wolseley Aries III or A.R.9 was a British nine-cylinder, air-cooled radial aero engine that first ran in 1933, it was designed and built by the Wolseley Motor Company. Intended for the military trainer aircraft market few were produced as Wolseley withdrew from the aero-engine market in 1936, see Airspeed Ltd.. A larger capacity version was known as the Wolseley Scorpio, further enlarged versions, the Leo and Libra were test run but did not fly.