Brock KB 2

Design and development

Ken Brock was an early innovator in homebuilt gyrocopters starting with his first ride in 1957. Brock set to work on building and marketing a series of homebuilt gyroplanes with the KB-1 and later the KB-2.

Operational history

Ken Brock used his KB-2 design for years in airshow acts and completed several world records. In 1971 he completed the first coast-to-coast autogyro flight from Long Beach, California to Kitty Hawk, North Carolina.

Variants

KB-2

Powered variant

KB-2G

Variant with the same frame and rotor head as a KB-2. The "glider" is a two-seat gyroplane designed to be towed by car. The aircraft with the same frame and rotor assembly can be converted to a powered gyroplane.

Aircraft on display

A 1970 demonstrator KB-2 is in the EAA Airventure Museum in Oshkosh, Wisconsin

Specifications (KB-2)

Data from EAA

General characteristics

Capacity: 1

Empty weight: 240 lb (109 kg)

Gross weight: 600 lb (272 kg)

Powerplant: 1 × McCulloch 4318 , 90 hp (67 kW)

Main rotor diameter: 2× 12 ft (3.7 m)

Performance

Cruise speed: 61 kn; 113 km/h (70 mph)

Range: 521 nmi; 966 km (600 mi)

Rate of climb: 1,900 ft/min (9.7 m/s)