The THK 11 was a 1940s prototype Turkish four-seat monoplane, designed by Stanisław Rogalski and built by Türk Hava Kurumu (THK - Turkish Aeronautical Association).
Design and development The THK-11 was a high-wing twin-boom cantilever cabin monoplane with a 135 hp (101 kW) de Havilland Gipsy Major piston engine driving a pusher propeller. It has a fixed nose-wheel landing gear and was first flown in 1947.
Specifications Data from Jane's All The World's Aircraft 1951–52, Jane's All The World's Aircraft 1949–50General characteristics Crew: 2 Capacity: 1 passenger Length: 8.44 m (27 ft 8 in) Wingspan: 11.80 m (38 ft 9 in) Height: 2.59 m (8 ft 6 in) Wing area: 18.7 m2 (201 sq ft) Empty weight: 828 kg (1,825 lb) Gross weight: 1,150 kg (2,535 lb) Powerplant: 1 × de Havilland Gipsy Major four-cylinder air-cooled inverted in-line engine, 101 kW (135 hp) Propellers: 2-bladed fixed-pitch pusher propeller Performance
Maximum speed: 201 km/h (125 mph, 109 kn) Cruise speed: 164 km/h (102 mph, 89 kn) Landing speed: 80 km/h (50 mph; 43 kn) Range: 800 km (500 mi, 430 nmi) in still air Service ceiling: 3,500 m (11,500 ft) Rate of climb: 3.5 m/s (690 ft/min) Wing loading: 61.5 kg/m2 (12.6 lb/sq ft) Power/mass: 11.4 kg/kW (18.7 lb/hp)
See also Twin-boom aircraft
Aircraft of comparable role, configuration, and era
SECAN Courlis
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