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Crossbows - Everything about Building, Modding, and Using your Crossbow Gear

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3 posters

    Twisting a Bow String

    cnunley
    cnunley
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 10
    Join date : 2012-10-25

    Twisting a Bow String Empty Twisting a Bow String

    Post by cnunley Thu Feb 21, 2013 12:08 pm

    If you make a prod string just a little too long, is there a problem with twisting the string to shorten it? I'm talking 3/8 of an inch here. Maybe 8 twists.

    CEN
    shiloh
    shiloh
    Techno Weeny

    Lets put a laser on it!!!


    Techno WeenyLets put a laser on it!!!

    Posts : 55
    Join date : 2012-12-27
    Age : 60
    Location : Chatsworth Ontario

    Twisting a Bow String Empty Re: Twisting a Bow String

    Post by shiloh Thu Feb 21, 2013 1:28 pm

    Go for it, can`t hurt, twist it from one end only, I`ve found though with too many twists it gets a little springy, I`ve even had one break, maybe from the added twisted tension on the strings, or not? scratch
    Geezer
    Geezer
    Master Crossbowyer
    Master Crossbowyer

    Posts : 1194
    Join date : 2010-01-12
    Age : 73
    Location : Austin, Texas, USA

    Twisting a Bow String Empty Re: Twisting a Bow String

    Post by Geezer Thu Feb 21, 2013 6:44 pm

    You can indeed twist a bowstring to shorten it. On a properly made bowstring, all serving will be anchored thru the skein, and all serving will spiral in the same direction. You want to twist THATAWAY!
    However: since the string is made of many threads, twisting tends to stress the outer strands more than the inner ones. This is particularly true of thicker strings. If you twist the string too much, you'll overstress the outer fibers before the inner ones, and something's gonna break. How many turns you can go mostly depends on how forgiving your fiber is, and how thick the strand, but once one strand is gone, your string is ruined. Sooner or later, it will break suddenly, without warning. So yeah, you can give it a few turns to shorten, but not too many. Maybe you could borrow a fencing mask to test your bow with, after you twist? Good luck: Geezer.

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    Twisting a Bow String Empty Re: Twisting a Bow String

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