"Cool, thanks for sharing!!

So with these blue ones, you bolt the bottom onto the motor (remove existing hub) and then you can easily spin on the tops and tighten them by putting the rod through that hole and tightening?

For the black ones, I don't…"

"Anyone know how far along the sonar code is?  I thought it was partially in the latest Arducopter, but not fully baked or supported yet. Anyone tried this out with the Iris yet, if so, what sensors did you use?

I am REALLY looking forward to sonar…"

"- RC radio:
* "Ghost" input due to bad pid in controller 
* Undocumented default settings for the transmitter


Any more details on these 2?

FWIW, I just applied the new foam from 3DR this morning. What a PITA that was. Nice kit, instructions,…"