ORIGINAL: scale_edge
watch out for tail boom strikes - cuts the cf boom like paper - check around for posts on how to stop it, mainly wrapping black electrical tape around 'the spot' to cusion the blow, or even covering that section of the boom with aluminum tube
hobbytown usa carries both the flat bottoms and symmetricals in several colors - killa
edge
I bought a set today along 6" of extra large fuel line tubing to put on the boom. I am going to slit one side of it to get it on and then electrical tape it in place. It is pretty thick stuff and if that doesn't save the boom I don't know what will.