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Schweizer SGS 1-29

schweit-1-29


Only one 1-29 was built by Ernest Schweizer. It consists of a modified 1-23G fuselage and tail with the addition of a constant chord, laminar-flow airfoil wing and balanced dive brakes. The wing ribs are identical, made from one master die to help ensure laminar flow. It has flush, counter-sunk rivets, and the heavy, deep spar helps to reduce elastic wing deflections and minimize skin oil-canning.

It was subsequently presented to the National Soaring Museum

Wing span: 15 m / 49.2 ft
Wing area: 14.29 sq.m / 153.8 sq.ft
Aspect ratio: 15.75
Airfoil: NACA 63-618
Empty Weight: 224 kg / 465 lb
Payload: 116 kg / 255 lb
Gross Weight: 340 kg / 750 lb
Wing Load: 23.79 kg/sq.m / 4.87 lb/sq.ft
L/DMax: 34 84 kph / 45 kt / 52 mph
MinSink: 0.62 m/s / 2.05 fps / 1.21 kt
Seats: 1

 

 


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