Specifications (Slingsby T.20)
Data from British Gliders and Sailpanes 1922-1970, Slingsby Sailplanes
General characteristics
- Crew: 2
- Length: 24 ft 3 in (7.39 m)
- Wingspan: 54 ft 6 in (16.61 m)
- Wing area: 290.0 sq ft (26.94 m2)
- Aspect ratio: 10
- Airfoil: NACA 4412
- Empty weight: 509 lb (231 kg)
- Gross weight: 1,000 lb (453.6 kg)
Performance
- Rate of sink: 173 ft/min (0.88 m/s)
- Lift-to-drag: 18
- Wing loading: 3.6 lb/sq ft (17.6 kg/m²)
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