I'm tring to balance this plane. The manual says the CG is 3 3/4 to 4 3/4 inches back form the leading edge. I marked the wing at 3 3/4 and tried there not even close. I 've read a lot of comments about these planes being tail heavy and mine is no different. I have the battery and receiver as far forward as possible. I added some weight to the front of the plane , just some lead I had laying around. After two pieces about the size of a acorn I got it to balance at about 4 1/2 inches. I'd rather it balance at 3 3/4 or 4 for the first couple flights to see how it handles. Any Ideas on what to do. I was thinking about cutting a hatch under the gas tank and putting the battery there, that would put it foward about 3 1/2, 4 inches. Do you think this would be worth doing or should I just add the weight?