Cactus Aviation is a distributor for 3W Motors of Germany, and is an authorized dealer for the United States, Canada, and our good friends in Mexico and South America! As the leader in Giant Scale Motors, 3W and Cactus Aviation has set and maintained the standard for superior power and performance in gasoline model airplanes. This has been proven consistently with their wins in the Tournament of Champions, I.M.A.C., Unlimited Air Racing and other events around the world! 3W Motors come with the "Electronic Auto Advance Ignition". This combined with our large variety of muffler and propeller combinations make 3W and Cactus Aviation your first choice!