Flight control of the F-22 utilized Full Flying Stabilzer in the Delta Mix Mode, A radip with Delta/Elavon Mixing is required. The inner portion of the fuserlage is hollow to reduce weight and also give ample room for radio equipment. The F-22 also includes hardware for an optional landing gear assembly. We've even inc;ided a tailskid to proteact the propeller. The included 370 motor with geardrive (3.67:1) and 7.5x5 propeller give ample and efficient power for the F-22 with an eight cell battery pack. Stabilizer control is solid and reliable due to our unique torque-rod and dual servo link assemblies.