There is no text information for this aircraft at the moment.
Specification
 
ENGINE
1 x 70hp Hirth
Comments
 
Bernhard C. F. Klein, millpabf(@)aol.com, 20.05.2008
Some info on s.M.1 This two-seat light, aircraft was built by Airspeed, was powered by a 75 Hp.h engine. It flew for the first time in 1933 and had a cruise speed of 75 m.p.h