Mine BALSA USA Dr-1 been flying a few yrs has Zenoah G-26, 18-6 prop, B&B smoke pump, Red, needed 3/4 down elevator to fly level. See it in action on YouTube. At: BALSA USA Dr-1 Darren Gibson Thanks ps also on video is Stevens SkyBuggy 300 on floats and TurnKeyRC 256 Storch