I think i recieved the electric version because I put a Webra 160 on it and the tail a WAY TOO HEAVY. I moved everything forward and still won't work, the plane is too light that it flutters in the wind literally. I added weight in the front and balanced the plane perfectly, I hope this makes it better. Maybe it's because the Webra is so much lighter than most other motors. The plane literally stops in mid air during landing so this might sound weird to pattern flyers but, my plane is too light haha. I'm going to test fly it this friday, i'll try to post the results right away.