I have the full carbon 2930 with the recommended power pack running 12s for the quad and 6s for plane. we are going almost 80% throttle to hold above stall speed. I have done something terribly wrong or there specs are not up to snuff . I wanted to see if any one else had seen this or build one them self.
Can you post a .param file and some photos of your props mounted on the Mugin?
I think providing details on your build, i.e. motor and prop specs, AUW, etc.