avia.wikisort.org - Aeroplane
The GP-4 is an experimental aircraft designed to fly cross country with two passengers 1,200 nmi (2,222 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]
| GP-4 | |
|---|---|
 | |
| GP-4 | |
| Role | Experimental Aircraft |
| National origin | United States |
| Manufacturer | Osprey Aircraft |
| Designer | George Pereira |
| First flight | 1984 |
| Introduction | 1984 |
| Status | Plans available (2015) |
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
- Osprey Aircraft Osprey I
- Osprey Aircraft Osprey II
- Osprey GP-5
References
- "Osprey Aircraft/ GP-4". Ospreyaircraft.net. Retrieved October 13, 2012.
- Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 114. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 120. Flying Pages Europe SARL, 2015. ISSN 1368-485X
- "Osprey Aircraft/ GP-4". Ospreyaircraft.net. Retrieved October 13, 2012.
- www.aircraftspruce.com. "GP4 and Osprey from". Aircraft Spruce. Retrieved October 13, 2012.
- "Flying". 133. 2006.
{{cite journal}}: Cite journal requires|journal=(help) - "Pereira GP-4". all-aero.com. Retrieved May 13, 2017.
- "Osprey Aircraft/ GP-4". Ospreyaircraft.net. Retrieved October 13, 2012.
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