wrote:

My question is how do you measure the angles of the control surfaces to
see if they are within tolerance of their deflection angles?


One of these cost about $2 at Harbor Freight. (The tool, not the elevon).

http://ernest.isa-geek.org/Delta/Pic...DownTravel.jpg

--
This is by far the hardest lesson about freedom. It goes against
instinct, and morality, to just sit back and watch people make
mistakes. We want to help them, which means control them and their
decisions, but in doing so we actually hurt them (and ourselves)."