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Skandinaviska Aero BHT-1 Beauty

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BHT-1 Beauty
Role Single-seat light monoplaneType of aircraft
National origin Sweden
Manufacturer Skandinaviska Aero
Designer E. Bratt, K.E. Hilfing and B.Törnblom
First flight 4 December 1944
Number built 1

The Skandinaviska Aero BHT-1 Beauty is a 1940s Swedish single-seat light monoplane designed by E. Bratt, K.E. Hilfing and B.Törnblom and built by Skandinaviska Aero of Stockholm.

Design

The BHT-1 is a wooden low-wing cantilever monoplane with a retractable tailwheel landing gear. Powered by a 60 hp (45 kW) Walter Mikron 4 piston engine it has an enclosed single-seat cockpit. The wings include slotted flaps.

Variants

The BHT-2 was a proposed two-seat development. A prototype constant speed propeller was developed for the aircraft using differential between engine oil, and ram air pressure to control pitch.

Specifications

Data from Jane's Fighting Aircraft of World War II, Jane's all the World's Aircraft 1947

General characteristics

  • Crew: 1
  • Length: 5.8 m (19 ft 0 in)
  • Wingspan: 6.82 m (22 ft 5 in)
  • Height: 1.9 m (6 ft 3 in)
  • Wing area: 7 m (75 sq ft)
  • Empty weight: 240 kg (529 lb)
  • Gross weight: 365 kg (805 lb) aerobatic
  • Max takeoff weight: 420 kg (926 lb) long-range
  • Fuel capacity: 88 L (23 US gal; 19 imp gal) in three tanks, plus 127 L (34 US gal; 28 imp gal) in "special reserve" fuel tank
  • Powerplant: 1 × Walter Mikron 4 4-cyl. inverted air-cooled in-line piston engine, 45 kW (60 hp)
  • Propellers: 2-bladed wooden fixed-pitch airscrew with provision for controllable-pitch airscrew

Performance

  • Maximum speed: 250 km/h (160 mph, 130 kn)
  • Cruise speed: 210 km/h (130 mph, 110 kn) *Landing speed with flaps:75 km/h (47 mph; 40 kn)
  • Never exceed speed: 580 km/h (360 mph, 310 kn) with controllable-pitch airscrew
  • Range: 1,700 km (1,100 mi, 920 nmi)
  • Ferry range: 3,000 km (1,900 mi, 1,600 nmi) with special reserve fuel tank
  • Service ceiling: 7,500 m (24,600 ft)
  • Rate of climb: 5.2 m/s (1,020 ft/min)
  • Wing loading: 52 kg/m (11 lb/sq ft) aerobatic
  • Power/mass: 8.18 kg/kW (13.42 lb/hp)

References

  1. ^ "Capt. Jan Christie's BHT-1". Experimenter. June 1955.
  2. Bridgman, Leonard (1988). Jane's Fighting Aircraft of World War II. New York: Crescent Books. p. 288. ISBN 0-517-67964-7.
  3. Bridgman, Leonard, ed. (1947). Jane's all the World's Aircraft 1947. London: Sampson Low, Marston & Co. p. 166c.
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