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Home » Tag Archives: O.S. Brushless 700-800 Class Electric Heli Motors

Tag Archives: O.S. Brushless 700-800 Class Electric Heli Motors

O.S. Brushless 700-800 Class Electric Heli Motors

O.S. has long been regarded as THE premiere manufacturer of nitro engines. Highly regarded for their quality and longevity, almost anyone that participates in RC has probably owned an O.S. engine at some point. However

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