Ok. Let’s just fix it one at a time… 
If you need help with a concise list of issues with the Kitfox, I am more than happy to provide a list of points. I don’t even think it needs to be rebuilt from scratch. But it has major issues under the hood that prevent it from being flown like a STOL aircraft.
This one? Let’s get it to be compatible with WT CJ4 and to have enough power to take off. I am willing to help you test and identify things if you need help. There was no excuse to release projects in that state, man… but there is enough foundation to make it good. Onward and upward