What sort of spar structure are you using? Are you using a foam core wing - if so, what type of foam and what density?
If you are using a foam core, safest bet is to use some sort of a spar structure - something simple, like +-45 degree 200g or…"
Yup. I'm also a great fan of RF Design... You might also look at their smaller LEA-5H boards - I'm using one for an autopilot project at the moment and for development, that seems to be the way to go. I'm using one of the onboard UARTs, but…"