from tower hobby,
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXSZ87 ,i am also think of a crossbow so i can shoot a rope over the plane to pull it down ,last one i put in the trees i when home to get a rope and when i got back some sob had climb the tree and got it and no one saw a thing [:'(][:'(] [:@]lost the hole 9 yards