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Author Topic: Twisted loop  (Read 1338 times)

Offline Alexander Traditional

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Twisted loop
« on: January 19, 2023, 09:35:40 AM »

Offline Alexander Traditional

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Re: Twisted loop
« Reply #1 on: January 19, 2023, 09:38:34 AM »
I'm not sure why the picture turned out sideways,it's never happened before.

I have a string maker I like,but I have this string and another from him,where the loop is twisted where he ties it back in. I don't know if you can see it or not on this picture. I want to know if it is a big deal or not. It looks like it might be putting torque on  the limb. I know it drives me nuts though  :smileystooges:

Offline Kirkll

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Re: Twisted loop
« Reply #2 on: January 19, 2023, 10:31:02 AM »
Flemish twist strings can definitely put more pressure on one side of the tip than the other. It’s not so noticeable on long bow limbs, but with recurve limbs it can cause tracking issues.

 I have seen many cases where flipping the loop 180 degrees make the difference of limbs tracking properly. It’s more prominent with smaller loops than large loops. For that reason I order all my strings with large RC loops.


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Online McDave

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Re: Twisted loop
« Reply #3 on: January 19, 2023, 10:49:02 AM »
+1 on Kirk's comment.  Here are some posts where Kirk discussed this in more detail.

https://www.tradgang.com/tgsmf/index.php?topic=178814.msg2999037#msg2999037

Your photo looks like a longbow, although I can't tell for sure.

FWIW, I’ve never experienced limb twist on a longbow.
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Offline buckeyebowhunter

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Re: Twisted loop
« Reply #4 on: January 19, 2023, 11:06:51 AM »
Looks like a normal string to me brother, I wouldn't worry about it.  :thumbsup:

Online Roy from Pa

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Re: Twisted loop
« Reply #5 on: January 19, 2023, 11:12:57 AM »
Ya I don't like how that string was done.

Offline buckeyebowhunter

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Re: Twisted loop
« Reply #6 on: January 19, 2023, 11:17:01 AM »
You said it appears to be putting torque on the limb, but is the limb actually tracking straight when you draw it? If everything is tracking straight and nothing with your tune is affected then like I said I wouldn't worry about it.

Offline Alexander Traditional

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Re: Twisted loop
« Reply #7 on: January 19, 2023, 11:22:59 AM »
I think Roy sees what I'm talking about.

Buckeye it is tracking right,but I don't know if over time it may pull something off. It's just this one string maker,and I have another one that is doing the same thing. There's just something that's not right.

McDave I Pm'ed Kirk and we went back and forth,it's not just in my head. I'll take a pic of the other bow and string too.

Offline Alexander Traditional

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Re: Twisted loop
« Reply #8 on: January 19, 2023, 11:27:37 AM »

Offline Alexander Traditional

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Re: Twisted loop
« Reply #9 on: January 19, 2023, 11:29:14 AM »
This is the other string. This is one has it a bit on the top and bottom loop. It's hard to see the twist in it on the picture,but if you look close it doesn't look right where it ties back into the string.

Offline buckeyebowhunter

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Re: Twisted loop
« Reply #10 on: January 19, 2023, 12:38:11 PM »
Rick, I see it now. I could not in the first pic. Yes it looks like one side of the string is thicker than the other. I would try snagging a different string. I buy strings from Binghams, D97. They're nice strings and fairly priced. They also have bigger loops, like Kirk suggested. At least the recurve strings I've purchased from them have large loops.
Hope this helps.

Offline RIVERWOLF

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Re: Twisted loop
« Reply #11 on: January 19, 2023, 12:58:23 PM »
Waiver...I am NO expert on stringology ;^)))

I will share a few pics/thoughts just the same....

1st , I fully agree with what thoughts Kirk has shared as well. Much logic ...

It seems to me over the great number of years I've been purchasing and then making strings (flemish twist) , that a lot of the "issues" arise from uneven pressure/force while twisting them up .

1)...The picture added, shows "on the left" a string purchased from one of the Nations Best . The one on the right (Red&Black) is self rolled/twisted;) .  You can see the one on the left has one side slightly larger due to not twisting as evenly with the same amount of force/pressure.  Though crafted beautifully & it has performed beautifully...None the less you can see a difference.
2)...I also think a lot of these issues can be corrected by simply "overloading" , pre-stretching the strings to "settle them in"  .  I did learn to do that from another chap on Youtuby;)

Having a background in load testing , it was standard procedure to overload the load cells as part of the testing. It helps to "stabilize" the material. The load cells I tested/calibrated were of various metals....and I know some will say "apples to Oranges' ' ;^)))  The same basic principles apply within a testing perimeter .

I usually use 200#-300# of weight/force to preload/overload my strings (pre serving)which settles them in rather nicely with No change in brace/length after doing so.  Stabilization ;)

3)..and lastly , my thoughts /findings are ...keep your pressure , amount of twist  duplicated as close as possible, and preload/overload those strings to settle them in physically and structurally ....As  the fibers in the material at hand (b-50-b-55-fastflight-D-97-Rhino)...all of them will differ to a degree roll to roll , inch by inch , fiber by fiber..
« Last Edit: January 19, 2023, 01:21:01 PM by RIVERWOLF »
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Offline Alexander Traditional

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Re: Twisted loop
« Reply #12 on: January 19, 2023, 01:11:28 PM »
Your string looks way better Riverwolf. It has a really defined wye instead of that big lump where the other ties in.

Offline RIVERWOLF

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Re: Twisted loop
« Reply #13 on: January 19, 2023, 01:55:04 PM »
Thank you Alexander.  Nonetheless , the purchased string  served  me well . Simply added to point out the subject/issue .  The purchased string  has a higher string count , and  I do not believe he preloads/overloads .Least not to the degree I mention...

Again, just some food for thought......
Arrows are the Life-Blood of a hunt........They need a safe place to be until called upon  !
Ralph"Riverwolf"Webb
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Offline JohnnyBa

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Re: Twisted loop
« Reply #14 on: January 29, 2023, 05:01:59 PM »
I'm not sure why the picture turned out sideways,it's never happened before.

I have a string maker I like,but I have this string and another from him,where the loop is twisted where he ties it back in. I don't know if you can see it or not on this picture. I want to know if it is a big deal or not. It looks like it might be putting torque on  the limb. I know it drives me nuts though  :smileystooges:

Not sure if it matters or not, the string looks fine and if it came from a maker you have trusted in the past, I would definitely ask him about it as he is the one that “should” know what is going on, I am sure he would like the feedback anyway. Good luck!

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