RE: Is An OS 55AX The Right Engine?
If you don't think a 55 is strong enough for a 5.5 pound plane you might as well put a 120 on it. Sheesh!!! What IS this imagined need for EXCESSSSSSSSSS POWAAAAH that is soooo prevalent these days? My 5 pound Lucky Stik has very good('til it can't be seen) vertical with a ST 45.Can hover too.
Terry in LP