title: Beneš-Mráz Beta-Scolar
text: # 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.
  
  ## 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 $m^2$ (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)
  