check that the nose wheel is set to allow the wing to be at least level, sounds like it might be nose down & is not quite up to flying speed as david had sugested in his post. pulling up too quick & snapping is common in this case. if nose wheel cannot be lower'd (to raise the nose of the plane), then lower the back of the plane by bending the main's up a bit, till the wing's level, even a bit leading edge high. good luck bill