OK, YOULL HAVE TO ASK SOMEONE ELSE, I BOUGHT MINE BUILT, I THINK ROY HAS BUILT A FEW, IF I REMEBER RIGHT, HE BUILT MINE, AND HE DID A GOOD JOB, UNFORTUNTLY, THE COVERING ON THE WING IS SO BRITTLE , YOU LOOK AT IT AND IT BREAKS, BUT I DONT WANT TO RECOVER THE PLANE.