MAHA138 And it is kind of like that, actually. Weighing a mere 5.29 ounces (150 grams) and boasting a 12-inch (30-centimeter) wingspan, the Samarai looks like a maple-seed whirligig, except this one comes with a miniature jet engine to provide thrust and a tiny flap on the trailing edge of the wing to control direction.|Dual HDMI Video Capture-说明书