The Slingsby/Osboume Twin Cadet G-AXMB of 1969 had two 220cc Villiers motor cycle engines on the leading struts under the wings.
It was later converted to a single Triumph T-100 engine.
Slingsby Twin Cadet
The Slingsby/Osboume Twin Cadet G-AXMB of 1969 had two 220cc Villiers motor cycle engines on the leading struts under the wings.
It was later converted to a single Triumph T-100 engine.
All Aero 