Originally Posted by gadorey
Where do you guys place the coin exactly? I can't fit anything under the nose cone (plastic battery cover). The most I managed was a couple of small watch batteries with tape under the cover, but then I have to push the battery back a little. I'm just on the verge of the cg and any breeze still pushes the nose up a lot...
Just go to a 500Ma battery and you will be fine, you can fly it until your thumbs fall off!