Otto Lilienthal, leader of the first successful many times the SIFT. Glider shape that bird. The only Wing Hang Gliding and self centered moved to move back and forth to use น้ำหนักถ่วง glider. To balance in the symptoms required in gliding times foodstuff thought take the helm up and down. A rope attached to the head, the powder down ahead or turn back to force the glider down, or diagonally up in the wind which is speed. 3 2 kilometers per hour. Lillian Brock compound can sift go straight. And the level on the occasion of the blizzard. He let the wind up without running forward now and many times indicated that the high up on the higher peaks, but usually lose height to around One-third of the distance gliding. To test machine forced helm up and down. Lilienthal glider into the air mass. The glider was stable enough to solve without head down into the ground pin, then another 2-3 hours ก็เสียชีวิต when the 24 3 9, but statistical experiments. On the shape, style and the arches of the wings, etc. These are particularly useful for helping to create the next plane;
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