Originally posted by Montague
On a trainer, I don't think you're going to notice much, if any, difference in the air from the wing tip change. I agree that some wingtips can make a signifigante difference for some planes, but in your case, whatever you want to do will likely be just fine.
I have to agree with you for the most part.
I really like to build up a CUB from scratch but I just always seem to have to many things going at one time so doing some mods like this gives me a little satisifaction