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Ken Brock Manufacturing KB-2 Gyroplane


First flown in 1980, the KB-2 Gyroplane has quite a few features that distinguish it from other similar aircraft. These include: an aircraft-type joystick for con-trol; its fuel tank seat which is molded from polyurethane to save on weight and add to the clean-looking design; its choice of rotor blades and its wheels. Construction has been simplified by packaging into seven separate kits (airframe, landing gear, rotor head, rotor blades, rotor hub, joystick, rudder/horizontal stabilizer and an optional kit for a prefab metal tail). Engine: 72 or 90 hp McCulloch, VW, or similar.

The KB-2 was sold in sub-kits. Price may vary with options, but the average is $12,500 in 2001.

2001 Plans for the McCulloch-powered KB-2: $125
2001 Plans for the Volkswagon-powered KB-2: $135

Engine: McCulloch, 90 hp.
Rotor blades: 22’ x 7” Brock riveted aluminium, adjustable hub.
Prop: Brock 48” x 18-20” wood fixed pitch.
Speed max: 95 mph.
Cruise: 70 mph.
Range: 150 sm.
ROC: 1200 fpm.
Take-off dist: 200 ft.
Landing dist: 15 ft.
Service ceiling: 12,000 ft.
Fuel cap: 9 USG.
Weight empty: 240 lbs.
Gross: 650 lbs.
Height: 7 ft.
Length: 12 ft.
Disk span: 22 ft.
Disk area: 380 sq.ft.
Seats: 1.
Landing gear: nose wheel.

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