i need a ch ignition for one of my projects im comeverting an old Still weed eater engine to an air plane can any one help on were to get one i would like a used one since i dont think it will work ,,,,well it might the piston of the little weed eater is only about 1"1/2 i want it to turn a prop 15x6 would it @ 9000to 10,000

That one is easy, Try http://www.ch-ignitions.com/