Recurve questions
So recurves are known to allow a bow to store more energy by keeping string angle low but put more strain on the working limb, can carry too much mass, and be unstable (this is just my general...
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Pretty hard to lump all recurves together as their are a lot of varieties just like straightbows. Generally speaking in theoretic terms you almost have to assume the bowyer is perfect which is very...
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Steve, does the recurve lose its effect when it goes shorter than 2"? As for the angle of the radius I guess a very sharp angle would keep the point of string contact closer to center. Do you know...
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Ryoon, Bothe recurves and non contact r/d longbows with reflex have attained the 190 mark, so I couldn't really answer that question. I do best with the r/d bows while Seems to do best with the...
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Its pretty cool how both designs show how differences in stored energy and efficiency can balance out to produce about equal speeds. I guess efficiency in recurve design depends on if it can be made...
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A benefit I havent seen mentioned is how far from center a mass is. With a recurve, I think you are placing tip mass closer to the center of the bow, rather than alowing it to extend straight out like...
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sleek, I agree that it is easier to move the mass of the limb since it is closer to the "fulcrum" of the bow but a longer limb may have more leverage on the string and therefore the arrow (here it is...
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Isnt the reason for recurves to add leverage, and decrease string angle at a set draw length?
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In terms of leverage I don't think recurves add to leverage as they are closer to the bending portion than a stiff portion would be. Its thought that bows with stiff tips have increased leverage...
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Perhaps I am confusing lower string angle from a recurve with leverage from longer tips. It was my impression that stiff, non working recurve tips decreased string angle and that string angle on the...
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The leverage I was referring to was the action of the limb on the string during the shot but now that I think about it, I believe leverage should act the same when shooting as when drawing the bow. If...
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I think we can get into a lot of miss-conceptions regarding the string angle at the bow tips and leverage and draw force. There have been a couple of discussions on the topic in the past related to...
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I am sure this link has been posted before...still page 83 onwards goes into the details of static recurves....... very interesting!!http://www.bio.vu.nl/thb/users/kooi/thesis.pdf
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Very short recurves do less of what a recurve needs to do to create that extra energy storage: they don't improve leverage (by adding length to the bow as it is drawn) as much as longer recurves do....
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Springbuck, how would adding extra length to the recurve help? From what i understand, the action of the recurve takes place at the bend of it where more additional length would do nothing. I'm pretty...
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Springbuck, I think I understand now. As the bow is pulled to full draw more string is opened up and the longer the recurve the smaller the angle between the string and the tip, perhaps creating more...
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Dont look at it as "length " of the recurve, but more as angle of the recurve. I could have a recurve that is 6 inches long, but only puts the angle of the string ( where it is nocked at ) at brace,...
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It is hard to say what is "optimal" because again other aspects of the design DO play their parts. Ryoon, your last post is correct. Tim Baker said it like this (paraphrasing) A recurve bow starts out...
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Just found this interesting thread and it was perfect timing for me as I just put in 5" steep recurves on my Hickory build. It seems you folks recommend deflexing the limbs a bit to add stability and...
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Just from what I have seen it seems like recurves do their best right around 60" + or- and r/d longbows do their best at around 66" long. This by no means makes it a fact, just seems to be a trend.
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