EMG-6 Powered Flight Test (Predator 37 Electric Sustainer Motor) EMG-6 Powered Flight Test (Predator 37 Electric Sustainer Motor) Flight test #55 and #56 testing the viability of the Predator 37 sustainer motor. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related