RE: Ultra Hots info
Mike.
I am building an Ultra Hots with Two wing halves, using a alu- tube Ø 40 X 620 mm. You don`t need more than Ø 32 mm, but I would get one that is some longer than mine, just in case.
I have done some modifications on my Ultra. She has been a little wider, and some lower in front deck. This because that I want the engine to get inside of cowling sides ( US engines 41 ) I have done some other small modifications. Mostly for fun ( and more job ). She will come out with a weight about 5,5 - 6 kg. I guess she will be airborn in a month from now.
Cbastian