Ryson STP-1 Swallow
The Ryson STP-1 Swallow is an American experimental two-seat powered cruising sailplane designed and built by the Ryson Aviation Corporation to be license built by other companies.[1] Design and developmentThe design of the Swallow was started in 1970 with the prototype completed during 1971, it was test flown from 1972. The Swallow is a cantilever mid-wing monoplane, the name is derived from the distinctive tail unit, it has a pusher propeller located between twin fins and rudders. The 76 hp (57 kW) Barking converted Volkswagen motor-car engine is mounted mid-fuselage and drives the two-bladed variable-pitch fully feathering pusher propeller using a 5 ft (1.52 m) tubular shaft. To provide cooling a retractable air-scoop is mounted above the rear fuselage. The forward fuselage is an all-metal monocoque structure with the rear section made from welded steel-tube with a glassfibre covering. The all-metal single spar wing and the tandem two-seat enclosed cockpit were taken from a Schweizer SGS 2-32 glider. It has a bicycle type landing gear with outriggers on the wing tips, the nosewheel is retractable by hand and the main wheel is semi-prone and fixed.[1] SpecificationsData from Jane's All the World's Aircraft 1994-95[1] General characteristics
Performance
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