Wicks and Aircraft Spruce both sell a small Cessna style carb heat muff for around $45. I've been using this on my KR since it's first flight. It works well, is light weight, dirt simple and will clamp onto almost any exhaust stack.
Jeff Scott > I still have not yet flown mine, which has an Aeronca Champ-style > heat muff > on the starboard side exhaust stack of the A-65 engine and which was > > woefully insufficient at providing heat to the carb. I've since > added some > fins to the stack inside the muff area as well as some baffling to > the muff > so that the incoming air doesn't just shoot straight through to the > SCAT > hose leading down to the air box. If I don't get a good, solid RPM > drop on > application of heat, I'll continue to revise the setup... but no > steel wool > ;o) > > Oscar Zuniga > San Antonio, TX > mailto: taildr...@hotmail.com > website at http://www.flysquirrel.net