THK-11

A replica THK-11 on display at the Ankara Türk Hava Kurumu Müzesi \- (Ankara Turkish Aeronautical Museum)
Role  | Cabin monoplane

Type of aircraft

National origin | Turkey
Manufacturer  | Türk Hava Kurumu (THK - Turkish Aeronautical Association)
First flight  | 1947
Status  | Abandoned
Number built | 1

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).[1][2]

## Design and development[edit]

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.[1] It has a fixed nose-wheel landing gear[2] and was first flown in 1947.

## Specifications[edit]

Data from Jane's All The World's Aircraft 1951–52,[3] Jane's All The World's Aircraft 1949–50[4]

General 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[edit]

* Twin-boom aircraft

Aircraft of comparable role, configuration, and era

* SECAN Courlis

## References[edit]

1. ^ a b "Progress in Turkey". Flight. Vol. LVI, no. 2127\. 29 September 1949. p. 442.
2. ^ a b The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). Orbis Publishing. p. 2996.
3. ^ Bridgeman, Leonard (1951). Jane's All The World's Aircraft 1951–52. London: Sampson Low, Marston & Company, Ltd. p. 191c.
4. ^ Bridgeman, Leonard (1949). Jane's All The World's Aircraft 1949-50. London: Sampson Low, Marston & Company, Ltd. pp. 183c–184c.

* v
* t
* e

Aircraft produced by Türk Hava Kurumu

* THK-1
* THK-2
* THK-3
* THK-4
* THK-5
* THK-6
* THK-7
* THK-8
* THK-9
* THK-10
* THK-11
* THK-12
* THK-13
* THK-14
* THK-15
* THK-16

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