Kangke (Super Kraft) does a great job building their arfs and the draw back is they are a little heavy which is not a problem in my book. We have a lot of Super Kraft models from Caps to Extra's Texas Hurricanes and Staudeckers (sp) and they are all great models but they need a little more motor than they call for in the manuals. One of the guys that has their cap not the sport version has a GMS 1.20 in his and performance is outstanding. We have been flying Super Kraft planes in our club for three years and no one has had any complaints except for the hardware but everyone of them is powered way past the specks in the manual.