i donnt know of supliers in USA as i dont live there but i have the exact same heli except my mechanics are mostly vario.. i see parts very often on german ebay. well i also brought the heli from germany. if you feel like looking and need a translator then give me a shout..theres nothing at the mo using , vario, heim or graupner but you could make ebay email you when there is an add ..
http://search-desc.ebay.de/search/se...&fsop=1&fsoo=1