The Letov Š-50 was a 1930s prototype Czechoslovakian military general purpose monoplane designed and built by Letov.
The Š-50 was an all-metal twin-engined low mid-wing monoplane that first flew in 1938. Powered by two 420 hp (313 kW) Avia Rk.17 radial engines. It had a fixed landing gear and twin fins and rudders. Following the German occupation development was stopped.
Data from Les Ailes, 1 December 1938
General characteristics
Crew: Three: observer/radio operator/bombaimer/nose gunner, pilot and dorsal gunner
Length: 12.60 m (41 ft 4 in)
Wingspan: 17.30 m (56 ft 9 in)
Height: 3.80 m (12 ft 6 in)
Wing area: 43 m2 (460 sq ft)
Empty weight: 2,475 kg (5,456 lb)
Gross weight: 4,093 kg (9,024 lb) in bomber configuration
Fuel capacity: 920 l (200 imp gal; 240 US gal)
Powerplant: 2 × Avia Rk.17 nine-cylinder radial piston engine, 310 kW (420 hp) each
Propellers: 2-bladed Hamilton Standard metal, constant speed
Performance
Maximum speed: 305 km/h (190 mph; 165 kn)
Cruise speed: 270 km/h (168 mph; 146 kn) at 1,000 m (3,300 ft)
Range: 1,200 km (746 mi; 648 nmi) at crise spee, bomber configuration
Service ceiling: 7,200 m (23,600 ft) practical
Time to altitude: 7.5 min to 3,000 m (9,800 ft)
Take-off and landing distances: 140 m (460 ft)
Armament
1 × fixed ZB vz.30
2 × flexible ZB vz.30
up to 600 kg bombs
