Designed by Alex Strojnik, the S-2 uses carbon fiber and aluminum wing spars with fiberglass skins. The fuselage pod is wood skinned with fiberglass, the boom is aluminum and the tail group is carbon-reinforced and skinned with fiberglass. The fixed gear consist of two small wheels in tandem. The Kohler engine drives a foldable propeller. Glidepath control is by flaps.
Designed by Alex Strojnik, the S-2a is a pod and boom pusher with folding propeller. The span is 15 meters and the best L/D is about 34:1. Alex made many excellent soaring flights with his motorglider, including diamond goal distance. A number of these have been built. Plans are no longer available for sale.
Wing span: 15 m / 49.2 ft
Wing area: 11.8 sq.m / 127 sq.ft
Aspect ratio: 19
Airfoil: Modified Wortmann
Empty Weight: 280 kg / 617 lb
Payload: 165 kg / 363 lb
Gross Weight: 445 kg / 980 lb
Wing Load: 37.11 kg/sq.m / 7.7 lb/sq.ft
L/DMax: 34 88 kph / 48 kt / 55 mph
MinSink: 0.67 m/s / 2.2 fps / 1.30 kt
Structure: aluminum, wood and fiberglass