big motor

I was wondering if I could use a smaller propeller say a 7x5 on a big motor like a 2218 which can handle a 10x4.5 prop. Also, I was wondering if there was a way to install servoes in my scratch build without using hot glue because it rips off the paper if I try to remove it to use in another...

I have built quite a few FT planes from both plans and speed build kits and my favorite plane has been the FT Racer (Slinger?) design. It has a wonderful speed envelope and is such a beautiful plane in the air. Unfortunately this past weekend it met its end, it flew a great 1.5hr session on...