WELL I GOT IT BUILT IT AND HAVE HAD 3 FLIGHTS ON IT. ALL I DID WAS MOVE THE TAIL SERVOS TO THE REAR MOUNT THE TANK BACK UNDER THE WING AND ADD 4OZ TO THE TAIL IT FLYS GREAT TWO FLIGHTS WERE WITH A 18-8 ZINGER AT ABOUT 6100 RPM AND 1 WITH A 18-6 ZINGER DIDN'T TACK IT WITH TE 18-8 IT FLYS PRETTY GOOD AT FULL THROTTLE VERTICAL IS GOOD BUT NOT UNLIMITED IT ALSO DOESN'T FLY QUITE AS FAST AS I THOUGHT IT WOULD I WOULD NOT RECOMMEND TRYING THE 18-6 IT DIDENT PULL IT VERY WELL AT ALL ALMOST NO VERTICAL I AM NOW GOING TO TRY AN 18-10 OR 18-12 ANY IDEAS OR SUGGESTIONS