Designed by Ernest and Paul Schweizer, the 1-7, which first flew in 1937, was the first Schweizer design of which more than one ship was produced. The sturctue is metal/ fabric, 1-spar, constant chord, 1-strut-braced wings; metal/ fabric tail, steel-tube/ fabric fuselage.
Wing span: 10.97 m / 36 ft
Wing area: 12.4 sq.m / 133.5 sq.ft
Aspect ratio: 9.6
Airfoil: NACA 2415
MinSink: 1.07 m/s / 3.5 fps / 2.07 kt
L/DMax: 17 72 kph / 39 kt / 45 mph
Empty Weight: 110 kg / 243 lb
Payload: 82 kg / 180 lb
Gross Weight: 192 kg / 423 lb
Wing Load: 15.89 kg/sq.m / 3.2 lb/sq.ft
Seats: 1
1938 SGU-1
Wing span: 38 ft
Length: 20 ft
Wing area: 170 sq.ft
Aspect ratio: 8.5
Empty Weight: 293 lb
Gross Weight: 473 lb
MinSink: 3 fps
L/DMax: 17
All Aero 