Beneš-Mráz Beta-Scolar

The Beneš-Mráz Be.252 Beta-Scolar was an aerobatic aircraft manufactured in Czechoslovakia shortly before World War II. Based on the Beneš-Mráz Beta-Minor, it had a structure considerably strengthened for aerobatics and a more powerful radial engine in place of the Beta-Minor's inline engine.

Be.252 Beta-Scolar
General information
Type	Aerobatic sports plane
Manufacturer	Beneš-Mráz
Designer	Pavel Beneš and Jaroslav Mráz
History
First flight	1937

Variants

• Be.252C Beta-Scolar

Specifications

Data from

General characteristics

• Crew: 2
• Length: 7.45 m (24 ft 5 in)
• Wingspan: 10.966 m (36 ft 0 in)
• Height: 2.02 m (6 ft 8 in)
• Wing area: 14 m² (150 sq ft)
• Empty weight: 610 kg (1,345 lb)
• Max takeoff weight: 890 kg (1,962 lb)
• Powerplant: 1 × Walter Scolar 7-cyl. air-cooled radial piston engine, 134 kW (180 hp)
• Propellers: 2-bladed fixed pitch wooden propeller

Performance

• Maximum speed: 250 km/h (160 mph, 130 kn) at sea level
• Cruise speed: 215 km/h (134 mph, 116 kn)
• Range: 500 km (310 mi, 270 nmi)
• Service ceiling: 7,000 m (23,000 ft)
• Rate of climb: 4.2 m/s (830 ft/min)

See also

Related development

• Beneš-Mráz Be-50 Beta-Minor

References

• 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. 34. ISBN 978 1 900732 06 2.