The Scheibe SF 33 (German: "hawk") is a German motorglider that was designed by Egon Scheibe in the 1970s.[1]

SF 33
Role Motorglider
National origin Germany
Manufacturer Scheibe
Designer Egon Scheibe
First flight 1977
Number built 1

Specifications

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General characteristics

  • Crew: 1
  • Length: 6.75 m (22 ft 2 in)
  • Wingspan: 15 m (49 ft 3 in)
  • Wing area: 29.2 m2 (314 sq ft)
  • Aspect ratio: 28
  • Empty weight: 300 kg (661 lb)
  • Max takeoff weight: 410 kg (904 lb)
  • Powerplant: 1 × BMW 2-cyl. air-cooled horizontally-opposed piston engine, 25 kW (34 hp)

Performance

  • Maximum speed: 150 km/h (93 mph, 81 kn)
  • Cruise speed: 170 km/h (110 mph, 92 kn)
  • Maximum glide ratio: 28:1
  • Rate of climb: 2.3 m/s (450 ft/min)
  • Rate of sink: 0.8 m/s (160 ft/min) at 70 km/h (38 kn; 43 mph)
  • Wing loading: 32.99 kg/m2 (6.76 lb/sq ft)

References

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  1. ^ "Scheibe SF-33".

Further reading

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  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 595.