degraw
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Dick DeGraw's new helicopter - KT-1
KT-1 is the newest helicopter project by Mr Richard (Dick) DeGraw. But it is not just any helicopter. Dick DeGraw built several experimental rotorcraft since the 1980s. Most known are his synchrocopter called Hummingbird and jump-take-off gyros like Gyrhino, Debird 2 and Rhino 2.2. A common...- persil
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