Archery played an important rol in Japanese warfare right up until firearms made their entrance. However, these bows were used in certain eras for certain purposes, which it generally what determines if they performed well or not. Just like with English war bows: if you have to make a bow out of one piece, you'll end up with a long one if you want a heavy draw weight. The Japanese didn't have the skills/knowledge/materials to make composite bows like they did on the mainland, hence the larger size. If we look at the bows out of (historical) context, I'd say the mainland horsebows are generally better designed. Just a shot in the dark, but I think in this climate controlled environment, a heavy arrow will fly from order of fastest to slowest: Manchu bow > asymmetrical Tang Imperial bow > Japanese yumi > English longbow. That means we can’t compare it to a Turkish flight bow, or a Korean traditional target bow, which are made to shoot light arrows fast and far. We have to consider the purpose of a yumi, which is similar to that of a Manchu bow or an English longbow, which is to shoot heavy arrows at short distances to penetrate armor. There are too many factors to weigh, so it’s hard to say that other Asian bows outperform the yumi. In a climate controlled environment however, I think the horn/wood or bamboo/sinew composite bows will outperform a well made yumi IF they are well made and also asymmetrical. I would imagine that the yumi performed better, in the climate it was suited for. He said that in Japanese archery, arcing that high is frowned upon, and that an asymmetrical bow like the yumi can help you decrease the arc. He saw a few of us arcing our shot quite high to get our 40-70# glass laminated recreations of symmetrical horn composite bows to launch an arrow at a target 120 meters away. I’ve spoken to a bowyer who specializes in making yumis. That gives you the benefit of not having to arc your shot as much as you would otherwise, giving you the perception of a flatter trajectory. In addition, the asymmetrical design has a tendency to kick the arrow up. Theyre less susceptible to humidity and hot weather than bows made of horn and sinew. So, I think the yumi is a Japanese adaptation of the Tang Imperial guard bows, much like how the katana and tachi are adaptations of the Tang chisel tip swords, rather than a result of the lack of skill. They sometimes even delaminate completely. Horn composite bows are great, but they lose draw weight, and therefore power in hot, humid, and damp weather. The famed Japanese swords were based on Tang era single edged swords.Īlso, we know that the climate of Japan was not well suited for horn composite bows. During the Tang Dynasty, Japan went through a period of Sinophilia where they adopted many aspects of Chinese culture. There are at least some Chinese Tang imperial guards who used asymmetrical horn/wood/sinew composite bows. I have a theory that the Yumi is inspired by Tang Dynasty Imperial Guard bows. Links to other archery content around the webĪ guide for buying your first recurve, by /u/FerrumVeritas!Ī guide to recurve risers (2021) also by /u/FerrumVeritas!Ī guide for buying your first compound, by /u/ILikeCatsOnPillows!Ī guide to the various disciplines in archeryĪdditions to the above tables are welcome! If you have any ideas for additions, please message the mods! Feel free to contribute, as it is a community document. This includes jokes, reposts, and memes - if you don't like it, downvote it please refrain from reporting them unless they violate the other rules! Effort and content policies are left to the voters. PVC bows are archery as much as FITA compound.
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