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  1. #1
    Prodigal Son jcmorgan31's Avatar
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    Default Home Made String Jig

    $50 and about an hours worth of work and here she is.....
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  2. #2
    Prodigal Son jcmorgan31's Avatar
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    Just need to get a coat of paint on it.....
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  3. #3
    Prodigal Son jcmorgan31's Avatar
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    close up of stretching contraption....
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  4. #4
    I pray for you! BUNNYMAN's Avatar
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    ok so my question has always been......how much short do you start your strings, if you intend to pre stretch them, and also how long do you leave them in the jig??

    So we will use this example........

    Say my string needs to be 90".....what length would you start w/on your jig???
    I cut things up and split them down!

  5. #5
    Prodigal Son jcmorgan31's Avatar
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    Quote Originally Posted by BOWMAN View Post
    ok so my question has always been......how much short do you start your strings, if you intend to pre stretch them, and also how long do you leave them in the jig??

    So we will use this example........

    Say my string needs to be 90".....what length would you start w/on your jig???

    Dude. The string on the thing is the first one I ever built..... easy with the complicated questions......

    My old Scepter string was 54 1/2". I started this string at 54 1/2" and when I finished stretching and twisting, it ended up 54 1/8". I'm sure it depends on how much tension you put on it and what material you are using.
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  6. #6
    RIP Ronhop's Avatar
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    Nice...

    Seems you need to go a little longer than the required length since the newer materials stretch less (I don't think 452x stretches at all), and by the time you put twists in it you're shrinking the original length.

    Hummmm.....

    Guess you'll have to experient with it. Looks good though.

    Ron

  7. #7
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    My string jig is a lot like yours.

    I start by building my string the exact length I need it to be (its under no tension) I then put it on a stretcher and stretch it for 2-3 days with around 300 lbs of pressure. Lets say its a 50" string, I usually end up with around 30 twists in the string when finished. But there are different ways to build them and I'm sure they all work.

    Good luck with your string building, it can be a lot of fun

  8. #8
    Prodigal Son jcmorgan31's Avatar
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    Quote Originally Posted by Ronhop View Post
    Nice...

    Seems you need to go a little longer than the required length since the newer materials stretch less (I don't think 452x stretches at all), and by the time you put twists in it you're shrinking the original length.

    Hummmm.....

    Guess you'll have to experient with it. Looks good though.

    Ron
    This first string I built I used some old Brownell B50 string (I use it to sew up deer capes). I didn't notice a lot of stretch when I cranked the jig down. I would imagine that the 452X doesn't stretch much at all. Had I made the string 1/4"longer than needed, it would have came out perfect.....
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  9. #9
    RIP Ronhop's Avatar
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    Quote Originally Posted by tek View Post
    My string jig is a lot like yours.

    I start by building my string the exact length I need it to be (its under no tension) I then put it on a stretcher and stretch it for 2-3 days with around 300 lbs of pressure. Lets say its a 50" string, I usually end up with around 30 twists in the string when finished. But there are different ways to build them and I'm sure they all work.

    Good luck with your string building, it can be a lot of fun
    Just curious, what material do you use ?
    I don't make strings but I'm interested in learning more about it.

    Ron

  10. #10
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    Quote Originally Posted by Ronhop View Post
    Just curious, what material do you use ?
    I don't make strings but I'm interested in learning more about it.

    Ron
    Ron I use Brownell UltraCam or Xcel for the newer bows and for the older bows I use Fastflite or S4 Thin depending on what bow it is.

    Brownells material percentages are almost the same as BCYs but its a little cheaper to buy.

  11. #11
    Prodigal Son jcmorgan31's Avatar
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    Quote Originally Posted by Ronhop View Post
    Just curious, what material do you use ?
    I don't make strings but I'm interested in learning more about it.

    Ron
    Unless someone changes my mind for me, I'll be using BCY 452X.
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  12. #12

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    Use 452x, it's my favorite. But do some testing. I can get it to stretch but I can also get 400# of pressure on my jig.
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  13. #13
    Prodigal Son jcmorgan31's Avatar
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    Quote Originally Posted by Chris View Post
    Use 452x, it's my favorite. But do some testing. I can get it to stretch but I can also get 400# of pressure on my jig.
    I need to put a scale on mine and see what kind of pressure I can load up before a pin bends.....
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  14. #14
    Senior Member VE6WTF's Avatar
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    Great jig.
    Never seen one before...
    But! ever thought of using a hydrolic pump arm to put pressure on it? might be easier than a wrench?

  15. #15
    Prodigal Son jcmorgan31's Avatar
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    Hydraulics is like russian to me.

    10 or 15 turns of a socket wrench and I'm good to go....
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  16. #16
    Prodigal Son jcmorgan31's Avatar
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    back to the top
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  17. #17
    One eyed/Gutless wonder QSA's Avatar
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    Quote Originally Posted by jcmorgan31 View Post
    Hydraulics is like russian to me.
    Not for me second thing I speak. I can tell you this about it. Do not try it. You can break a string and bend the pins in the wink of an eye. Most lighter weight units still build over a 1000 PSI in a flash.
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  18. #18
    RIP Ronhop's Avatar
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    Quote Originally Posted by QSA View Post
    Not for me second thing I speak. I can tell you this about it. Do not try it. You can break a string and bend the pins in the wink of an eye. Most lighter weight units still build over a 1000 PSI in a flash.
    Oh, yeah, exactly...
    That's why hydraulics are used for just about anything that needs to have maximum pulling/pushing power. You cannot compress hydraulic fluid, period...

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  19. #19
    I pray for you! BUNNYMAN's Avatar
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    I think i will just keep buying CODY strings and cables
    I cut things up and split them down!

  20. #20
    Prodigal Son jcmorgan31's Avatar
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    Quote Originally Posted by BOWMAN View Post
    I think i will just keep buying CODY strings and cables

    Probably a smart move. I'm gonna build the string and cables for the new Nitrous X cam system going on the S4. We will see how they turn out....
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