Construction The whole airframe is of spruce and ply with M.S. fittings. All control surfaces are fabric covered. Wings are of single-spar construction with centre-section entirely ply covered, as is the leading edge of the outer panels which forms a torsion box, and much of the wing is ply covered aft of the mainspar. Fuel is carried in a 10-gallon tank in the decking forward of the cockpit and there is a locker for 20 lb. of luggage. The engine is a 36 h.p. J.A.P. J.99 flat-twin. Specification Span 32ft. 0in Length 21ft. 9in Height 7ft. 11in Wing Area 129 sq ft. Empty Weight 507 lbs. Loaded Weight 749 lbs. Maximum Speed 95 mph. Cruising Speed 83 mph. Climb 600 ft per min. Range 340 miles (4 ¼ hours)