I got a bird that I am trying to finish up and a need a bit of advice.

The wing span is 51.5"
Length (firewall to rudder TE) is 44.5"
Root Span is 15"
Tip Span is 13.75"
Wing is 2.75" thick (made of all 2mm)

With everything in/on it except trim colors, engine and tail wheel this thing is weighing in at about 4lbs 110z. and I was looking at putting a GMS .47 on it.

Will a GMS .47 (with tuned muffler) pull this bird pretty decently? If not, the next engine I have is a GMS .76.

I built this to be a sport plane/fun fly but with 3D (I hope) capability and I am looking for suggestions as to whether the GMS .47 or .76 to pull it. Unfortunately, I don't have an engine in between any more.

Based on the provided info, what do ya'll think?

Thanks,