One of the ISP PERFORMANCE SERIES of kits, which feature factory pre-slotted airframe and through-the-wall fin construction and high power motor capabilities, the VULCANITE is a true high power performer. The 38mm motor mount is for Level 1 and Level 2 power if your field can handle it. This kit flies great on a variety of F and G motors using the optional motor mount adapter. Parachute Recovery.