If your going with a 450 go for the sport, it's tail is belt driven and a little more tolerant of catching the tail blades, the pro is torque tube which normally results in stripped drive gears if you do the same. That's really the main difference between the 2.
You don't really need to know much about flight dynamics, if you do HERE will help you out. Go for getting help here and using the build videos/ reviews on 450 review heli tuning and HeliFreak. In particular go for Finless Bobs tech room and his explanations on cppm
You don't really need to know much about flight dynamics, if you do HERE will help you out. Go for getting help here and using the build videos/ reviews on 450 review heli tuning and HeliFreak. In particular go for Finless Bobs tech room and his explanations on cppm



). A few minutes later, I was flying again. 




Just shows what we know Tiddler!

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