Wolseley Aries
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 Wolseley Motors. Intended for the military trainer aircraft market few were produced as Wolseley [Airspeed Ltd.#Wolseley engine|withdrew from the aero engine market] in 1936.
A larger capacity version was known as the Wolseley Scorpio. Further-enlarged versions, the Leo and Libra, were test run but did not fly.
Variants
;A.R.9 Mk I;A.R.9 Mk II
;A.R.9 Aries Mk III
;Scorpio I
;Scorpio II and III
;Leo
;Libra