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Bowlus Paper Wing SP-1


The wood and fabric Paper Wing, so called because it used paper webbed ribs, first flew in 1929. The wingspan was later increased to 14.33 m. / 47.0 ft principally by extending the ailerons. It was first U.S. built sailplane to fly for more than 1 hour. A replica of the Paper Wing belongs to the San Diego (CA) Museum of Flight.

Wing span: 13.4m / 44ft
Wing area: 16.63sq.m / 179sq.ft
Empty Weight: 73kg / 160lb
Payload: 66kg / 145lb
Gross Weight: 139kg / 305lb
Wing Load: 8.36kg/sq.m / 1.7lb/sq.ft
Aspect ratio: 11
Airfoil: 35-A
No. of Seats: 1
L/DMax: 20



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