BODY TUBES - BT 50 12.75 INCHES LONG BT 50 2 @ 6.50 INCHES LONG ENGINE TUBE - BT 20 2.75 INCHES LONG BALSA PATTERN - 3/32 ON DRAWING ARROWS ARE GRAIN DIRECTION. EACH PEICE DRAWN YOU NEED TO MAKE 2 LAUNCH LUG - 1.25 INCH X 1/8 SHOCK CORD - 17 INCHES X 1/8