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The 450's are pretty stable in a hover Doug even if there is a gust of wind. I have a TREX 450S 3D which is super stable or mad, just depends on where you put the flight mode switch. I setup mode 0 for hover and general flying about so the pitch goes from 0 to about + 7 degrees with 0 -100% throttle. In mode 1 throttle is 90% -100% and the pitch is set on a V curve of +/- 11 degrees. Always have to be on your toes when flicking over to mode one as below centre stick is negative pitch and above centre is positive pitch, easy to get caught out. The most important thing to get them flying well is to make sure the blades are tracking perfectly then they behave andyou can set the trims properly for hands off hovering. A good trainer (read small and hard to control) is the Eflight Blade MSR. This is one of those tiny choppers but is a CCPM (or close to) single rotor. On low rates it is okay but on high rates it goes like a bat of of hell. I fly it around the gym at school sometimes and it is a lot of fun as long as you can keep up with it. Makes an excellent trainer for the bigger choppers as it operates in a similar fashion and you can slam it into walls or the floor without doing any major damage (read tough as nails due to low mass/inertia and the bits are really cheap to replace). I have actually had to over haul mine a few times as I wore it out (very rare for a chopper). The blade MSR is only for large indoor areas as you willhave lots of trouble inside the house or outdoors.
Mark
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