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Flying with Multiblade Rotor Heads — What are the advantages?

Until recently, traditional helicopters have used two rotor blades and a flybar with paddles, which acted as both a power steering unit and a means to adjust in-flight stability. Increased stability for scale and general sport flying was accomplished by using large heavy paddles with a blunt leading edge. For those requiring a more agile and aerobatic helicopter, lighter and thinner paddles with a very sharp leading edge were used. As you can imagine, it...
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