50-60cc would be about right for this plane



REQUIRES: Engine: 2.1 -2.8 cu in (34.5 - 46cc) 2-stroke OR 2.5 -4.3 cu in (41-70 cc) spark ignition gasoline engine Muffler: Pitts style Radio: 5 - 7 channel Servos: 10-11 Standard (2-Aileron, 2-Elevator, 1-Throttle, 1-Rudder, 2-Flaps, 1-Tail Steering, 1-Air Control Valve) (a high torque servo is suggested for the rudder, but not required) Servo Extensions: (2) 24" Extension, (1) Dual Servo Extension (4) 6" Extensions Y-Harness: (1) Y-harness for flaps Misc. Items: Glow plug, 1/4" foam rubber padding, medium fuel tubing, fuel filter, propeller, building and field equipment.</p>

SPECS: Wingspan: 84.5" (2146mm) Wing Area: 1245 sq in (80.3 sq dm) Weight: 19 - 24 lbs (8.61 - 10.88kg) Wing Loading: 32 - 35 oz/sq ft (98 - 107 g/sq dm) Length: 73.5" (1865mm)</p>