Why do darts need a tail
Darts use tail wings to increase stability in flight. This is the same function as the tail of an aircraft. Dart tail helps stabilize the "tail" or "wing" of dart movement. In the whole dart, the dart wing has the largest surface area. It can capture more air and "straighten" the dart. Therefore, the standard dart wing can guide the dart more effectively and make up for the lack of angle during throwing.
Darts without tails swing left and right in the air. In the process of flying, the dart will cause air diversion. Due to the unequal material and air convection, the resulting pressure is not equal everywhere, which will shake the dart. The tail can ensure the equal air diversion at the tail of the dart, so that the tail can fly along the correct parabola, so as to keep the balance of the dart.
What's the difference between an airplane's tail and a dart's tail? The thickness of the tail wing of the aircraft is inclined. When flying at high speed, the air flow through the tail wing has unequal pressure up and down. The pressure below is large, which will press the tail wing up, so that the aircraft can fly in parallel in the air and will not be a downward parabola like a dart. The tail wing of the dart is around the tail. In the process of flying, the air will form an outer conical flow. If there is no tail wing, there is no air flow in the tail of the dart in a very small range, which forms pressure. The tail wing is to make the air pass over the tail wing to ensure that the tail wing does not swing left and right under the action of pressure.
The installation method of dart tail is attached here: the dart tail is generally flat. You can stand up its four tail wings, and then directly insert them into the + slot on the dart rod. But the dart wing is easy to fall off. You can use a dart ring to buckle it. It's not easy to fall off!
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