Schweizer SGU 1-20
Designed by Ernest Schweizer, the 1-20 long wing version of the 1-19 first flew in 1946. The structure was wood/ fabric, 2-spar, 2-strut-braced wings; metal/ fabric tail; steel-tube/ fabric fuselage. Plans were offered for the new wings and canopy, and several 1-19’s in the U.S. were modified. The prototype was flown 222 km/ 138 miles by Paul A. Schweizer in 1947.Wing span: 13.11 m / 43 ftWing area: 16.91 sq.m / 182 sq.ftAspect ratio: 10.15Airfoil: NACA 4301 2AEmpty Weight: 181 kg / 400 lbPayload: 104 kg / 230 lbGross Weight: 285 kg / 630 lbWing Load: 16.85 kg/sq.m / 3.5 lb/sq.ftL/DMax: 18 68 kph / 36 kt / 42 mphMinSink: 0.92 m/s / 3.0 fps / 1.78 ktSeats: 1
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