Jim,
You need a 1/4 scale Sig Cub. It's big. It can be aerobatic. The 1/4 scale would fly great with a DLE20 or a Zenoah G20
oh, and one more thing............ the floats are already built and glassed. I'll ship em to ya for $75.
Or meet you in Longmont at Hwy 66 for $50.