It works. I have not tached it; found no need to. Pulls mine straight up forever. Check out my webpage for any info. Haven't measured thrust, either.

I know if works, though. Because the 22 x 8 Pro ZInger on it turns fast enough to make a VERY short takeoff run, followed by an immediate pull to vertical and fly out of sight in a SHORT time.

Don't know about the BME, except there is one.