Few words also about the SBEC. I use not less than 6 of them in the Needle. They worked great and flawlessly. For the engineer I am, I think this approach of having a BEC per servos, given that the receiver works fine with high voltage, is much secure than having a single BEC, so a single point of failure in front of the receiver.
I propose you the following video filmed Saturday. Thanks to Paul Derbier for holding the camcorder :