Got an Ultrastick 40 from my sweetie for Xmas and am gettin it ready to fly after I warm up on my Avistar but I am perplexed by the nose heavy set up I have it looks like I will have to do surgery on it to put the battery back far enough to get a good CG. has anybody had this problem? And does naybody have some suggestions on how to fix it without surgery?I am using a ST gs45 engine on it.