Heli pilots looking for peak performance need look no further than this outstanding pair of brushless outrunner heli motors from O.S. Both are precision engineered for sport flying and 3D maneuvers, designed to reduce friction for increased power …
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Ideal for aerobatic or scale aircraft, the 4-stroke GF40 offers excellent torque and a realistic sound, plus fuel economy and the fit and finish O.S. is famous for. Other features include a Walbro® carburetor and an integrated choke …
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It’s perfect for sport, 3D and scale flying, but that’s just part of what makes the GT15HZ great. Size makes it an easy fit in most .90-size helicopters. It also offers a pumped carb, superb fuel economy, and …
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The GT60 is the latest gasoline engine from O.S., and it gives fliers of popular 50cc class aircraft everything they want most — durability, efficiency, easy operation and super-strong performance. Instant throttle response makes the GT60 an outstanding …
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With 10% more power than similar 2-stroke engines, the O.S. GT22 features a reinforced Pitts style muffler and a beam mount for easy installation. Now, let’s face it: The O.S. GT series is something to text home about …
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