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3 posters

    What string material is safe for Alchem Steel prods

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    SAW3777
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    What string material is safe for Alchem Steel prods Empty What string material is safe for Alchem Steel prods

    Post by SAW3777 Thu Oct 11, 2018 1:59 pm

    Hello everyone, I’ve got a steel prod from Alchem with a draw of #225 at 11.5 inch total draw from the prod and instead of using a roller nut I modified a wooden tiller with steel side plates for a Trigger tech trigger which has too small an opening in the teeth for the B50 bowstring supplied by Alchem. I’m looking to make a Flemish twist from a thinner, stronger material like Rhino or D97 but wanted to know if that type of string material is safe to use on steel prods.
    Thanks!
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    What string material is safe for Alchem Steel prods Empty Re: What string material is safe for Alchem Steel prods

    Post by Geezer Fri Oct 12, 2018 1:08 pm

    Kevlar is very strong... you should be able to make a thin enough string from that.  It has positively no stretch, so works your prod a little harder, but it should still be good for thousands of shots.  Geezer.
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    What string material is safe for Alchem Steel prods Empty Re: What string material is safe for Alchem Steel prods

    Post by SAW3777 Fri Oct 12, 2018 2:15 pm

    So as I understand it Kevlar is one of the more stressful bow string materials, would fast flightish material like Rhino be alittle safer? I’m just worried about over stressing the prods but also breaking strings as I have braced this one with 28 strand endless loop D97 that fits the trigger but over a couple of weeks of being braced at 3 1/2 inch is now at a brace of about 1 inch it seems to like to stretch strings quickly.
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    What string material is safe for Alchem Steel prods Empty Re: What string material is safe for Alchem Steel prods

    Post by Geezer Mon Oct 15, 2018 4:11 pm

    Fastflite is made from Kevlar.  It shoulld do the trick.  Yes, Kevlar will stress your prod a bit more and will also give you a bit more power/velocity.  Or you could modify your lock to accept a thicker string.  Your choice.  Geezer.
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    What string material is safe for Alchem Steel prods Empty Re: What string material is safe for Alchem Steel prods

    Post by c sitas Sat Nov 03, 2018 10:13 am

    Hello Saw.  I've tuned in late as usaual. Your kinda right about bow string  material. I make a lot of bow strings. What you had happen "might" have been caused by a slightly "loose" make. By that , I mean when it comes to winding a string by hand, it's difficult to keep the strands all the same perfect tightness when winding on the string maker.In your case , all it will cost you is your time . I don't count the string material cause it's so cheap. I would make your next string  about a 1/2 inch shorter and try that.  and so on.To my knowledge there is no true formula. Also you could "pre -stretch " the string. For my competition bows , I store them this way.Take a strong nail, hook your string on it. ,make a way to attach your string from the nail to a cement block, and just leave it hang. I use a six inch cement block.I do this with Kevlar or Dacron. Your right about the dacron being more kind to your bow. It has slightly more give in it when shot. Also, Your string count might be okay, but I always error on the strong side, even with kevlar. Thicker strings just seem to work better ,and they are not that much slower either. On my machine ,I'll leave the string under 400 pounds of spring tension for at least 72 hours.Then hang store them until I need them .Even with kevlar you'll gain some because ,like I mentioned about the winding. This stretching takes care of that.

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