Rear wing spacing in sabfoil is 33mm, slingshot 30mm. I use file to make one side holes bigger (ovoid shape).
Change Chord, Thickness or anything else?RichR2 wrote: ↑Tue Aug 04, 2020 8:16 amr (http://airfoiltools.com/airfoil/details?airfoi). Its very easy to use and allows you to change various parameters for your plot.