HI , Check your trotel Reverse in your Transmiter or, check it in nasa assistant software. check all sticks direction , then set your Craft , and remove USB after engine start, with USB connected you can't start engine.
www.coptermarket.com
HI , Here is new version of board, with USB, (Optional 3-Axi, Optional Bluetooth)
My gimbal (cylllka) Design
Material is Acril And Carbon , Nicc Motor integrated in to mount.