Paul...I do have profi but i didn't use it for this airfoil. I just kinda winged it. The original airfoil on the bat was from profi.

Where do you get Profi?

http://akmodels.bizland.com/services.htm

About half way down You will see free airfoil program. Some thing like that any way.

Its pretty east to use but you have to put the spars and stuff in your self. Not a big deal. I like to put them in my self any way.

or....can't stop eating 'em....or is it the ground that eat's 'um...I know the ground has aquired a taste for any airplane I build!!!!!!

I was thinking about building a boom plane once

ya??????