This is a 63 wingspan, 853 square inch Ringmaster. The airplane is for .60 to .75 size engines. It is a 1 ½ scale Ringmaster with a better wing than the original Ringmaster. The wing is based on an Eppler airfoil, it is 2 ¾” thick at the spar. The airplane has adjustable leadouts and a weightbox. The plans are CAD plots with all parts shown full size. The kits contain all the laser cut parts, the flat wood, and the wire and clamps for the landing gear. The kits do not include any control system hardware.