Seagull Models Spacewalker 46 (SEA19)

Wingspan : 160cm..............63in.
Wing area : 40.47dm2.........627sq.in.
Length : 122.3cm.............48in.
Weight : 2.8-2.95kg.......6.2-6.5lbs.
Engine :.40-.48cu.in........2-stroke/50-.72cu.in........4-stroke.
Radio : 4 channels with 5 digital servos.

OS 46AX is a perfect match