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: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading… Related