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Osprey GP-4

American homebuilt aircraft From Wikipedia, the free encyclopedia

Osprey GP-4
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The GP-4 is an experimental aircraft designed to fly cross country with two passengers 1,100 mi (1,770 km) at 240 mph (386 km/h).[1] Aircraft Spruce & Specialty Co has the rights to distribute the kits for the aircraft, while the plans are distributed by Osprey Aircraft.[2][3][4][5]

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Osprey Aircraft GP-4

Quick Facts GP-4, Role ...
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Design and development

The GP-4 is the fourth aircraft from designer George Pereira, It is a low wing side-by-side retractable gear aircraft of wood construction. It has a single spar stressed to +8 to -6G loading.[2][3][6]

The aircraft's wooden construction is labor-intensive and an estimated 3000–4000 hours are required to construct it.[2][3]

Operational history

In 1984, the GP-4 won the Grand Champion Custom Built and the Outstanding New Design awards at the Experimental Aircraft Association Airventure airshow in Oshkosh, Wisconsin.[7]

Specifications GP-4

Data from Osprey[8]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 21 ft 6 in (6.55 m)
  • Wingspan: 24 ft (7.3 m)
  • Wing area: 104 sq ft (9.7 m2)
  • Airfoil: Laminar 63 Series
  • Empty weight: 1,260 lb (572 kg)
  • Gross weight: 2,000 lb (907 kg)
  • Fuel capacity: 54 U.S. gallons (200 L; 45 imp gal)
  • Powerplant: 1 × Lycoming IO-360-A1A

Performance

  • Never exceed speed: 222 kn (255 mph, 410 km/h)
  • Range: 960 nmi (1,100 mi, 1,800 km) 75% Power 240mph
  • Service ceiling: 20,000 ft (6,100 m)
  • Rate of climb: 2,200 ft/min (11 m/s)

See also

Related development

References

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