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The Thunder Power eXtreme 450 Features * Fully capable extreme 3D electric r/c helicopter * All metal head and tail * Full ball bearings * Carbon fiber main frame, gyro tray and battery mount * Constant drive tail * Thunder Power RC Lithium Polymer (Lipo) Battery Specifications of the Thunder Power eXtreme 450 * Length: 26.5″ (660mm) * Width: 4.75″ (120mm) * Height: 9.0″ (230mm) * Main Rotor: 28.25″ (710mm) * Tail Rotor: 5.75″ (145mm)
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