The planes are forever slipping off and it gets extremely frustrating. ![]() My experience is that it is hard to get the plane to stay on those small foam pads. I have been using the Great PLanes balancer and I have to say I don't care for it much. It's never seen a balancer except for my 2 index fingers. For more normal flight, it goes back forward. For better hovering, the battery moves back a couple of INCHES. They don't seem to need to be balanced too precisely. Using a machine is cumbersome and needless. Those at my field have been known to shift the battery fore and aft not just mm but many, many mm and sometimes inches. Several mm either way doesn't matter to them. ![]() Some flyers prefer their 3D planes one way over the other. The more tail heavy, the better the prop hang. That's where the Vanessa CG rig works better, since it doesn't have the model tipping over the balance point.As I understand it, most 3D planes are balanced very tail heavy (so they get into and stay in a prop hang easily). ![]() ![]() One aircraft type that is difficult to balance with any of those machines is a 3D type, or any other which has the vertical center of gravity about even with the center of the wing inverted or not, the weight is above the resting place on the wing, making the balance unstable.
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