The power 46 is designed to deliver clean and quiet power for. 40 to 46-size sport and scale airplanes weighing 4 to 7 pounds (1. 8 â–3. 2 kg), 25- to 40-size 3d airplanes up to 5 pounds (2. 2 kg), or models requiring up to 925 watts of power. It â’s an especially good match for hangar 9. 40-size trainers like the alpha. 40 (han2450), arrow. 40 (han2625) and warbirds like the t-34 mentor 40 (han2425). Also a great match for sport planes like the ultra stick 40 (han1675 or han1690), seagull spacewalker 40 (sea2050), and smaller sport 3d planes like the twist 40 (han2650).