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Beneš-Mráz Be-50 Beta-Minor

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Be-50 Beta-Minor
Be-50 Beta-Minor
Role	Sports plane Type of aircraft
Manufacturer	Beneš-Mráz
Designer	Pavel Beneš and Jaroslav Mráz
First flight	1935

The Beneš-Mráz Be-50 Beta-Minor was a light airplane manufactured in Czechoslovakia shortly before World War II.

Design and development[edit]

First flown in 1935, it was a low-wing cantilever monoplane of wooden construction, with tandem open cockpits and fixed tailwheel undercarriage. The aircraft proved popular with Czechoslovakia's aeroclubs and was successful in international competitions. In 1937, the designers created a modernised version, the Be-51, which featured a reduced wingspan and fully enclosed cockpits. A final variant, the Be-52 Beta-Major retained the Be-50's open cockpits but featured improved aerodynamics and a more powerful Walter Major engine.

Operational history[edit]

Like other Czechoslovakian aircraft, all available machines were impressed into Air Force service at the outbreak of war. Several Be-51s survived to be used by the Luftwaffe as liaison aircraft and trainers during the occupation.^[1]

In 2015, replica of Be-50 started operating. It crashed at airshow in August 2018, killing its pilot. ^[2]

Variants[edit]

Be-50 Beta-Minor

Tandem open cockpits and 12.66 m (41.5 ft) span wings.

Be-51 Beta-Minor

tandem seats in an enclosed cabin and 11.44 m (37.5 ft) span wings.

Be-52 Beta-Major

Strengthened and more powerful two-seat aerobatic trainer, with 10.66 m (35.0 ft) span wings.

Be-56 Beta-Major

Strengthened and more powerful single-seat aerobatic trainer, with 10.66 m (35.0 ft) span wings.

Operators[edit]

 Independent State of Croatia

• Air Force of the Independent State of Croatia

 Germany

• Luftwaffe

 Slovakia

• Slovak Air Force (1939–45)

Specifications (Be-51 Beta-Minor)[edit]

Data from ^[3]

General characteristics

• Crew:2
• Length: 7.76 m (25 ft 6 in)
• Wingspan: 11.44 m (37 ft 6 in)
• Height: 2.05 m (6 ft 9 in)
• Wing area: 15.3 m² (165 sq ft)
• Empty weight: 480 kg (1,058 lb)
• Max takeoff weight: 760 kg (1,676 lb)
• Powerplant: 1 × Walter Minor 4-cyl. inverted air-cooled in-line piston engine, 71 kW (95 hp) for take-off
• Propellers: 2-bladed fixed pitch propeller

Performance

• Maximum speed: 205 km/h (127 mph, 111 kn) at sea level
• Cruise speed: 180 km/h (110 mph, 97 kn)
• Range: 800 km (500 mi, 430 nmi)
• Service ceiling: 5,000 m (16,000 ft)
• Time to altitude: 1,000 m (3,300 ft) in 6 minutes

Notes[edit]

References[edit]

Wikimedia Commons has media related to Be-50 Beta-Minor.

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 152.
• World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 25.
• Němeček, V. (1968). Československá letadla. Praha: Naše Vojsko.
• Green, William (2010). Aircraft of the Third Reich (1st ed.). London: Aerospace Publishing Limited. p. 105. ISBN 978-1-900732-06-2.