Have you flown it yet? I didn't see any wheels on the plane in the pic. If you haven't the foaming is always worse on the ground. Once in the air that takes away most of the foaming. I have had plenty of profiles with no problem on the foaming. Does seem like a lot of rubber bands. Remember to bring more with you to the field. Sometimes they will snap early if they get any fuel or exhaust on them. Check them every flight. One more thing you may want to do. Put a small hose on the Crankcase nipple. We have two of these and they do blow a fair amount of oil out of the nipple in flight. And it is pointed right at your foam which will just suck it up and make a mess.