Barry, 22.06.2016 14:15 The photograph is of the ST 25 Universal which featured a twin fin and rudder arrangement of which 29 were built between 1936 and 1939. Spec. for the earlier ST 25 Jubilee of which some thirty were built between 1935 and 1936. Power plant 2 x 90 h.p. Pobjoy Niagara II 7 cylinder radial engines. Span 40'2" Length 26'4" Height 7'10" Wing area 217 sq ft Empty weight 1,680 lb Gross weight 2,875 lb Max speed 142 mph Range 585 miles Service ceiling 16,000 ft

tom, e-mail, 10.12.2009 19:08 can anyone send me plans for a full size replecia

Leo Rudnicki, e-mail, 30.05.2009 02:35 One of the directors of this company was Sir William S. Stephenson, called Intrepid.

All the World's Rotorcraft

Virtual Aircraft Museum