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AA batteries
It must follow a predetermined flight path established when the model is initially adjusted for flight or "trimmed"
pure helicopter engine that OS have ever made delivers the levels of torque and power demanded by top fliers for both '3D' and sport applications
more experienced pilots will find its aerobatic qualities most appealing with “tuned up” control movements
quality and completeness
OS ENGINE Max 55 AX 2715 Electric Power AA batteriesDesigned to combine maximum power with razor sharp throttle response in the smallest possible crankcase, the 55AX has the same mounting dimensions as the popular 46AX above, but an increase in power to 1. 75PS. The dramatic AX fin styling is used for optimum cooling and the rearward angled needle on the carb makes adjustments safer. The new 40K carb and also helps increase the horsepower over the previous 40J model. Perfect for sport, scale and
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