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String question...

Started by ishiwannabe, September 08, 2011, 03:29:00 PM

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ishiwannabe

I am determined to make a functional string for the LB I will be using this year. It is NOT flastflight compatible. I have 450+, and was planning on a skinnier string (8-10 strands) with padded loops. 62" bow @ 45 #. Is that enough strands?
Thanks in advance.
"I lost arrows and didnt even shoot at a rabbit" Charlie after the Island of Trees.
                        -Jamie

LBR

450+ was rated at approximately 155# test per strand, so 8-10 strands will be strong enough if your concern is the string breaking.

450+ is a "Fast Flight" type material--one of three I know of that incorporate Vectran in the material, which makes it have the least stretch of most any string material on the market.

If you are worried about a low-stretch material damaging your bow, 450+ would be one of the worst to use.

I can't say if it will or not.  I haven't seen any testing that proves anything one way or the other.  If it were my personal bow, I'd probably stick with dacron.

Chad

ishiwannabe

Thanks Chad. The bowyer specifially told me that, and I will stick with it.
I appreciate the info greatly.
"I lost arrows and didnt even shoot at a rabbit" Charlie after the Island of Trees.
                        -Jamie

JRY309

I use 6 strands 450+ on some of my bows up to 60#,it is a strong string.I use a 8 strand 450+ on my bows over 60# clear up to 73#.I do pad my loops with 4-5 extra strands per bundle with B50.A 6 strand 450+ is about the same diameter as 8 strands of D97 or 10 strands of 8125.I double serve these two,first with 3D .017 and then with No.62XS .021.Gives me about .105-.108 finished diameter,which fits great with my Easton 3D Super nocks and large groove G-nocks.

ishiwannabe

Good info JRY, I may twist a string up for my Treadway. Never hurts to have an extra string handy.
The strings from the bow I am using this year are 12 strand B50, they are very thick, and that is my issue with my beman mfx nocks.
Guess it is time to start sanding, or possibly order some other nocks.
"I lost arrows and didnt even shoot at a rabbit" Charlie after the Island of Trees.
                        -Jamie

Bjorn

10 strands of dacron padded to 16 in the loops should work fine for a 45# bow without stretching too much or too often.

frank bullitt

Jamie, what is the maker of this LB?

Personally, I wouldn't be worried to use 450+ on a longbow, any type!

If it is a straight limb or mild r/d, at 45lbs, not enough stress in the limbs for damage.

I have shot 450+ on many bows, and currently a Blacklocust selfbow, no overlays, no problems.

If your shooting reasonable arrow weight, and the loops are reinforced, you be good!

Nothing wrong with dacron, either!

eflanders

I just got a new 47# Shrew and it came with a 8 strand string.  6 strands of 450+ and 2 strands of B-50.  Ron clearly states in the owners manual not to use a Fast flight string without having padded loops in it.  In addition, he says will not guarantee a bow if a fast-flight string was used on it.

Rob DiStefano

if your bow's bowyer doesn't recommend using hmpe bow string fiber, case closed, stick with dacron (polyester)!

as chad has said, 450 uses uber non-stretch vectran, and it's also a larger diameter strand than most bowstring threads.

i see no viable reason to mix polyethyelene (hmpe) and polyester (dacron) string fibers.  makes no sense since the two are apples and oranges and the dacron is just thickening the bowstring.  i can't imagine why anyone would wanna do that?  

for hmpe approved stick bows, just use any good hmpe bow string fiber.  my advice is to stick with tried and true dyneema, as offered by all the string thread manufacturers.  

still hard to beat 8 strands of good ol' bcy dynaflight'97 with padded loops.  that string will tension out at over 800# and can easily handle a 75# stick bow, with well over 10x the holding weight.
IAM ~ The only government I trust is my .45-70 & my Ol' Brown Bess

Jason R. Wesbrock

QuoteOriginally posted by Rob DiStefano:
if your bow's bowyer doesn't recommend using hmpe bow string fiber, case closed, stick with dacron (polyester)!

as chad has said, 450 uses uber non-stretch vectran, and it's also a larger diameter strand than most bowstring threads.

i see no viable reason to mix polyethyelene (hmpe) and polyester (dacron) string fibers.  makes no sense since the two are apples and oranges and the dacron is just thickening the bowstring.  i can't imagine why anyone would wanna do that?  

I completely agree. Adding B50 into the body of a FF-type string just creates dead weight. It's not carrying any of the load, so what's the point? If it's about padding end loops or increasing the string diameter for nock fit, simply serve a strand or two in those locations.

ishiwannabe

I am definitely sticking to the bowyers advice. I am in the learning process of string making( made four so far) and am itching to go back to work. I was unsure about the string material that I currently have, thus the questions. You all have kept me from possibly harming a bow I hold very dear to me. Thank you.
"I lost arrows and didnt even shoot at a rabbit" Charlie after the Island of Trees.
                        -Jamie


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