[1][2] Ken Brock was an early innovator in homebuilt gyrocopters starting with his first ride in 1957.

[3] Brock set to work on building and marketing a series of homebuilt gyroplanes with the KB-1 and later the KB-2.

[4] 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.

[5] A 1970 demonstrator KB-2 is in the EAA Airventure Museum in Oshkosh, Wisconsin Data from EAAGeneral characteristics Performance