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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).

J4B
Barnett J4B G-BWCW autogyro at The Helicopter Museum, Weston-super-Mare, UK
Role Recreational autogyro
National origin United States
Manufacturer Homebuilt
Designer Jerry Barnett

Variants


J-3M
Original variant with 48.5 kW (65.0 hp) Continental A65 engine.[1]
J-4M
Improved J-3M with 63.5 kW (85.2 hp) Continental C85 engine.[1]
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

Performance


References



Citations


  1. Taylor 1981, p. 121.

Bibliography







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