Urubu
Role Sailplane
National origin Brazil
Manufacturer Aerotec S/A Indústria Aeronáutica
Designer IPD (Instituto de Pesquisas e Desenvolvimento)
First flight October 1979
Number built 1

The IPD Urubu (Brazilian-Portuguese name for the Vulture) also known as the IPD/PAR PE 80367, was a two-seat sailplane of high-wing.[1]

Design and development

In July 1978, the Ministry of Aeronautics asked IPD to develop a biplace glider to replace the LET L-13 Blaník, which was reaching the end of its service life. The work was executed by PAR (Divisão de Aeronaves) of the IPD. Development was completed in a few months and the prototype ordered from Aerotec, having been completed in 1979.[2]

Construction

Monocoque construction, entirely made of metal, the new glider was baptized "Urubu", and underwent a series of tests that proved its efficiency in flight, being approved by the Civil Aviation Department. Biplace, in tandem-seat, had a bubble canopy, and a fixed auxiliary wheel, built into the fuselage.

Specifications

Data from Taylor 1981, p. 586

General characteristics

  • Crew: 1
  • Length: 8.96 m (29 ft 5 in)
  • Wingspan: 17.80 m (58 ft 5 in)
  • Height: 2.00 m (6 ft 7 in)
  • Wing area: 20.91 m2 (225.1 sq ft)
  • Aspect ratio: 15:1
  • Airfoil: NACA 632A-615 at root, NACA 631A-412 at tip
  • Empty weight: 370 kg (816 lb)
  • Max takeoff weight: 550 kg (1,213 lb)

Performance

  • Maximum speed: 257 km/h (160 mph, 139 kn)
  • Stall speed: 64 km/h (40 mph, 35 kn)
  • Maximum glide ratio: 30:6 at 85 km/h (53 mph)
  • Rate of sink: 0.70 m/s (138 ft/min) at 72 km/h (45 mph)
  • Wing loading: 26.3 kg/m2 (5.4 lb/sq ft)

See also

Aircraft of comparable role, configuration, and era

Notes

  1. ↑ Taylor 1981, p. 561
  2. ↑ Pereira 1997, p. 328

References

  • Taylor, John W. R. (1981). Jane's All The World's Aircraft 1980–81. London, UK: Sampson Low, Marston & Company, Ltd.
  • Pereira, Roberto (1997). Enciclopédia de Aviões Brasileiros. São Paulo: Editora Globo.
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