RE: Sig Ultimate Fun Fly
It's a fun plane. I have a GMS 47 in mine and will hover and pull out of the hover just fine (I am at sea level). It will snap roll on rudder alone. I only have about 10 flights on mine so far, but the more I fly it, the better I like it. I'm flying it with a 12 X 4 APC prop. I say go for it! The best compliment I can give it is that another member of our club went out and bought the kit after seeing mine fly.
Cheers!
Jollidude