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The crossbow as a weapon had been around long before Leonardo's designs. However, his designs made the weapon more advanced and why Leonardo's crossbows stands out. If a crossbow is designed with a narrower shaft and a tapered bolt, which adjusts the nocking of arrows, it greatly improves the airflow of the bow and the drag on arrows.
21st-century hunting compound crossbow. A crossbow is a ranged weapon using an elastic launching device consisting of a bow-like assembly called a prod, mounted horizontally on a main frame called a tiller, which is hand-held in a similar fashion to the stock of a long gun. Crossbows shoot arrow-like projectiles called bolts or quarrels.
The Austroasiatic crossbow is known as sna in Khmer, chrao in Brao [1] hneev in Hmong, [2] or hraŏ in Jarai. [3] [4]It is one of the few Austroasiatic loanwords found in Sino-Tibetan languages as linguists have found it to be related the Chinese crossbow known as nu (弩) : "the Southern origin of this term is indisputable but the origin of the term is uncertain".
Crossbows were mass-produced in state armouries with designs improving as time went on, such as the use of a mulberry wood stock and brass; a crossbow in 1068 AD could pierce a tree at 140 paces. [27] Crossbows were used in numbers as large as 50,000 starting from the Qin dynasty and upwards of several hundred thousand during the Han. [28]
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According to Vietnamese folklore and legend, the Lạc Việt founded a state called Văn Lang c. 2879 BC and were ruled by the Hùng kings, who were descended from Lạc Long Quân (Lạc Dragon Lord). Lạc Long Quân came from the sea and subdued all the evil of the land, taught the people how to cultivate rice and wear clothes, and then ...
In one legend, he appears to the early Vietnamese ruler An Dương Vương (d. 179 BC) and gives him one of his golden claws as a trigger for a magical crossbow with which An Dương Vương can kill 300 enemies with one shot. With it he is able to protect the kingdom.