Hi I'm building a 16-18 pound aerobatic biplane and would like to put a gas engine on it...without spending the $400 price tag for a ready made engine. I've been eyeballing this cheap string trimmer at my local lowes. [link=http://www.lowes.com/lowes/lkn?action=productDetail&productId=183780-65481-BL100&lpage=none]trimmer[/link] , anyone have any experiance with this trimmer? Does it convert easily? Are there conversion kits out there that would work for it?

Thx for any help,
Collin K