Barnett J4B
| J4B | |
|---|---|
| Role | Recreational autogyro |
| National origin | United States |
| Manufacturer | Homebuilt |
| Designer | Jerry Barnett |
|
| |
The Barnett J4B is a small gyroplane marketed in the United States by Barnett Rotorcraft for homebuilding. Originally flown as the J-3M with an open cockpit and fabric-covered sides, later versions have a fiberglass cockpit pod either partially or fully enclosing the pilot. Apart from the basic J4B, versions available in 2007 included the BRC540 (two seats side-by-side) and J4B2 (two seats in tandem). A J4B2 piloted by Ron Merkle holds a coast-to-coast speed record in the United States for gyrocopters.
Variants
- J4B
- Single-seat autogyro with 23 ft rotor.
- J4B-2
- Two-seat variant of the J4B with a 25ft 4in rotor.
Specifications (typical J4B)
General characteristics
- Crew: one pilot
- Length: 12 ft 4 in (3.76 m)
- Main rotor diameter: 23 ft 0 in (6.10 m)
- Height: 7 ft 8 in (2.34 m)
- Empty weight: 530 lb (240 kg)
- Gross weight: 880 lb (400 kg)
- Powerplant: 1 × Continental O-200, 100 hp (75 kW) each
Performance
- Maximum speed: 125 mph (200 km/h)
References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 121.
- Barnett Rotorcraft company website
- Popular Rotorcraft Association website
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