Draw Weight Of Yumi

Most of the sources i have found state that the draw weight of a yumi was between 25 and 35 pounds. Many modern bows are not designed for war so it s hard to base it on that. In modern kyūdō the draw weight is usually around 30 lbs.

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You can get heavier bows though if that is your wish.

Draw weight of yumi. The standard for determining their draw weight is taken at 28 inches of draw length. Afaik there s no standard draw length at which these draw weights are measured. What was the draw weight of a historical yumi japanese bow. Here s an example to help understand how draw weight varies with draw length.

That translates to 35 pounds of draw weight at a 28 inch draw length. The draw weight is marked on the bow s lower limb with the pound sign such as 35 28. Do modern yumi have any accessories. However given the nature of yoroi samurai armour they are relatively protective against piercing and slashing.

Your draw weight is 55 29 then you want a 50 55 28. A yumi with a 30 lb draw weight is capable at penetrating armour from a very close range. The yumi is a long draw bow and delivers more energy than you might expect from the draw weight. What draw weight do yumi bows have.

6 tall 72 2 5 28 8 draw length or 28 5 draw weight selection chart. That said samurai armour is thin compared to western armour so it doesn t need to be as heavy draw weight. I assume there will be a discrepancy in the generated energies between english bows and. What was the draw weight of a historical yumi japanese bow.

Most war yumi that i have found have a draw weight of about 85 90 lbs. Posted by 5 years ago. Medieval military longbow draw weight would be 100 pounds or more. If you have a 40 pound recurve bow its draw weight is 40 pounds when the bow is pulled to 28 inches.

Your draw weight is 45 27 then you want a 45 50 28. Beginners usually start at about 25lb and experienced archers tend to use about 25 40lb women or 30 45lb men. Normally the maximum draw length of a bow is limited by the length of the archer s arms. It is more about the meditation and not so much about hitting a target at a big distance so heavier bows are not needed.

The heaviest draw weight yumi you would get at a kyudo club would be 22 or 20 kilo draw weight 44 pounds. And if data is available what would be the point blank kinetic energy of the arrows. They got confused with kyuudo bows which draw weight is in between 25 66 lbs 11 30 kg circa which is extremely low compared with war bows like the english one up to 180 lbs. All our draw weights are at 28 use the chart below to pick the right draw weight for you.

Various later recurves composites or laminated bows could vary anywhere from 50 130 pounds though most were in the 80 100 pound range. Short bows in europe were frequently 30 50 pounds and longbows anywhere from 90 180 pounds. Thus he shows that training is a significant consideration when determining the effectiveness of archery. Now many people stated that the yumi was a weak bow weaker than the longbow for example mainly for these reasons.

Draw weight is influenced by the archer s technique and training. He then moves on to examine how much energy can be transferred to the arrow.