CEI Free Spirit Mk II
The CEI Free Spirit Mk II, also called the Cabrinha Free Spirit Mark II and the Cabrinha Model 423, is a three-seat American homebuilt aircraft that was designed by Richard Cabrinha and produced by CEI of Auburn, California, introduced at AirVenture in 1995. The aircraft was intended to be supplied as a kit for amateur construction, but only prototypes seem to have been completed.
Design and development
The design goals of the Free Spirit Mk II included long range, high speed and a high rate of climb. The aircraft features a cantilever low-wing, a two-seats-in-side-by-side configuration, plus a jump seat in an enclosed cockpit, retractable tricycle landing gear and a single engine in tractor configuration.The aircraft is made from lightweight pre-molded composites. Its span wing employs a NASA NLF-0215F natural laminar flow airfoil, mounts flaps and has a very small wing area of, giving a high wing loading of 25.0 lb/sq ft. The cabin width is. The acceptable power range is and the standard engine used is the Lycoming IO-360 powerplant.
The Free Spirit Mk II has a typical empty weight of and a gross weight of, giving a useful load of. With full fuel of the payload for crew, passengers and baggage is.