Puneet Varma

Politechnika Warszawska PW 2

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Wingspan  11 m
First flight  July 25, 1985
Length  5.5 m
Manufacturer  DWLKK
Politechnika Warszawska PW-2 httpsuploadwikimediaorgwikipediacommonsthu

The Politechnika Warszawska PW-2 (English: Warsaw Polytechnic PW-2), also called the PW-2 Gapa, is a Polish lightweight high-wing, strut-braced single-seat, glider that was designed and built at the Warsaw University of Technology and also produced by DWLKK in the early 1990s. Total number of 19 gliders were built, including variant PW-2D bis.

Contents

Design and development

The PW-2 was designed as a lightweight glider of modest performance with an open cockpit. The aircraft was intended to be produced as both a completed aircraft and as a kit for amateur construction.

The aircraft is made from composite material, with its control surfaces covered in doped aircraft fabric covering. Its 11.0 m (36.1 ft) span wing employs an American-designed NACA 4415 airfoil. The maximum glide ratio is 16:1 at 69 km/h (43 mph)

Operational history

In August 2011 five PW-2Ds were registered in the United States with the Federal Aviation Administration. All were in the Experimental - Exhibition/Racing category and all produced in 1992 or 1993.

Specifications (PW-2D)

Data from Sailplane Directory, Jane's All the World's Aircraft 1988-89

General characteristics

  • Crew: one
  • Length: 5.5 m (18 ft 1 in)
  • Wingspan: 11.0 m (36 ft 1 in)
  • Height: 2.45 m (8 ft 0 in)
  • Wing area: 12.7 m2 (137 sq ft)
  • Aspect ratio: 9.52:1
  • Airfoil: NACA 4415, (PW-2D - NN 18-17)
  • Empty weight: 110 kg (243 lb)
  • Gross weight: 220 kg (485 lb)
  • Performance

  • Stall speed: 50 km/h (31 mph; 27 kn)
  • Never exceed speed: 150 km/h (93 mph; 81 kn) in smooth air
  • g limits: +5.3 -2.65
  • Maximum glide ratio: 16:1 at 69 km/h (43 mph)
  • Rate of sink: 1.1 m/s (220 ft/min) at 58 km/h (36 mph)
  • Wing loading: 17.32 kg/m2 (3.55 lb/sq ft)
  • References

    Politechnika Warszawska PW-2 Wikipedia


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