Originally posted by bigbigjoe
If you think a 46 is not enough engine and if you have a THUNDER TIGER PRO 46 or an O.S. 46 or an Irvine in this size range, put a
Tower Hobbies 46 ABC muffler on it. I have a T.T. 46 pro on a Morris Hobbies Knife and it turns a APC 11-4 prop 15,000 rpm.
If you think a 46, whether OS or TT Pro, is not enough, you have the wrong airplane. I tried both the Tower muffler and the Mac's 1-piece pipe on my OS SX .50 and ended up going back to the standard muffler -- they were way too much for the airplane.