Osprey Aircraft GP-4

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

The GP-4 is an experimental aircraft designed to fly cross country with two passengers 1200 nm at 240 mph.^[1] Aircraft Spruce & Specialty Co has the rights to distribute the plans for the aircraft.

Contents 1 Design 2 Operational history 3 Specifications GP-4 4 Notes 5 References

Design

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]

Operational history

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

Specifications GP-4

Data from http://www.ospreyaircraft.com/specs.htm

General characteristics

• Capacity: 2
• 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
• Powerplant: 1 × Lycoming IO-360 A1A

Performance

• Never exceed speed: 222 kn; 410 km/h (255 mph)
• Minimum control speed: 54 kn; 100 km/h (62 mph)
• Service ceiling: 20,000 ft (6,100 m)
• Rate of climb: 2,200 ft/min (11 m/s)

Related development

Osprey Aircraft Osprey I Osprey Aircraft Osprey II

Notes

References

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