How much wind is suitable for flying kites?

The wind power of traditional board kite is 2-4, that of modern three-dimensional kite is above 3, that of double-track kite is 2-5, and that of low board eagle kite is windless 1. Generally speaking, level 3 wind is most suitable for flying kites.

Kite sports

principle of operation

As we all know, flying a kite has two necessary conditions:

(1) Kites can only be released in windy weather, except kites flying with eagles.

(2) The kite needs to be pulled by a messenger wire, and the "broken kite" will inevitably fall after floating away for a short time.

Uplift

Generation of lift: When the kite is exposed to the wind in the air, the air will be divided into upper and lower layers. The air passing through the lower layer of the kite is blocked by the kite surface, which reduces the air speed and increases the air pressure; The upper air circulation is comfortable, the flow velocity is enhanced and the air pressure is reduced; Yang Li is caused by this air pressure difference, which is why kites can rise.

Skills of flying kites

First, before flying a kite, you should know the direction and speed of the wind. If there is a flag or smoke blowing nearby, just look at the direction it floats.

Otherwise, picking up hay or some small pieces of paper and throwing them into the air can also measure the correct wind direction.

Second, when the wind is strong enough, you can fly a kite in Dont Ask For Help, take the kite string by yourself, run forward against the wind, and watch the kite soar until the wind is strong enough for the kite to climb, and then you can stop and pay off the line slowly.

When the wind doesn't continue, take back the line quickly and give the wind manually. If you feel the kite string pulling, you should seize the opportunity to pay it off. If the kite has a downward trend, you should quickly take back part of the kite line until the kite can hold on in the sky.

When flying a kite, you'd better have an assistant to help you. Stretch the kite line for about ten meters, face the headwind, and gently hold the skeleton behind the kite with your thumb and forefinger (relatively easy to get rid of). When the gust comes, the caster will gently pull the kite out of the assistant's hand (don't let the assistant let it go), and pay off the line while running until the kite rises to a considerable height, and gently shake it back and forth to stabilize the kite.