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    Korean repeating crossbow

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    jeep

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    • Post n°1

    Korean repeating crossbow

    Post by jeep on Tue Aug 30, 2011 1:01 pm

    I build this model to close my series of Asian crossbow. I had mot any traditional Korean bow then I use a classic 150# fibreglass bow. I had to shorten the rope to increase the band, it work very well and the weight whit the lever pretty light!!! I have a draw length of 8", man it is dam powerful and a big fun !!!!!

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    Re: Korean repeating crossbow

    Post by jeep on Tue Aug 30, 2011 1:07 pm

    Here a general view of the different models : The small black one is a CHU era, the classic chu ku no QUIN and the Korean

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    Re: Korean repeating crossbow

    Post by jeep on Tue Aug 30, 2011 1:59 pm

    If you want to see how it work look there,they also use a fibreglass prod.

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    Re: Korean repeating crossbow

    Post by Basilisk120 on Thu Sep 01, 2011 3:27 pm

    Those look really good Jeep. Thatnks for interducing me to yet anouther interesting crossbow. I hadn't heard of the Korean repeating crossbow.



    The video is nice, Get to see the bow in operation which was good because I wouldn't have guessed that the prod rotates up during cocking Shocked Craziness.



    Keep up the good working and keep them coming our way.



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    • Post n°5

    Re: Korean repeating crossbow

    Post by Ivo on Sat Sep 03, 2011 8:21 pm

    Nice collection jeep! Smile

    And to think you've built all of them yourself...man, that is something worth respect.

    Basilisk120 wrote:The video is nice, Get to see the bow in operation which was good
    because I wouldn't have guessed that the prod rotates up during cocking Shocked Craziness.

    The pivoting prod is a really cool detail indeed. Thee freedom of motion that this mechanism allows, opens doors to several improvements:

    • The torque of the limbs is reduced
    • String's friction against the rail is reduced/balanced .
    • New crossbow spanning possibilities are introduced.

    It kinda got quite here on the subject, but a modern example (Twinbow)
    with a pivoting riser is yet another great example of what can be done
    when you throw an extra joint into mix. Smile

    Thank you for sharing this, jeep. I would have never known that there was a
    more refined version of this type of bow, designed and built by Koreans. I just limited myself to thinking the pivoting prod was a modern addition that I once seen on Del the Cat's repeater.

    http://sites.google.com/site/delsbows/home/chinese-repeating-crossbow



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    • Post n°6

    Re: Korean repeating crossbow

    Post by actionbow on Wed Sep 19, 2012 10:23 am

    Very cool build! I like the rotating prod but it scares me a little for some reason. I have never understood why the Chinese didn't add another member to the lever. As I have shown it is fairly simple to make the shuttle slide straight back and forth instead of up and over.

    Well considering the original might date back to 200bc I guess they were doing OK.

    Build more repeaters! My only complaint is the bow. I would love to see a nice wood limb on that crossbow. I see so many great crossbow builds and I am always a bit disappointed when they slap the same $29 bow on all of them.
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    Re: Korean repeating crossbow

    Post by JoergS on Thu Sep 20, 2012 5:35 am

    actionbow wrote:

    Build more repeaters! My only complaint is the bow.

    I am always a bit disappointed when they slap the same $29 bow on all of them.

    I have made two models that are basically variations of the Chinese Chu Ko Nu.

    A small one:



    And it's bigger brother:



    Of course I use rubber that costs much less than 29 dollars... and is more compact.
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    Re: Korean repeating crossbow

    Post by jeep on Thu Sep 20, 2012 7:27 am

    Yea Joergs !!!! Great stuff , really some think to do adapting your trigger systheme to a classic chu ku no
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    • Post n°9

    Re: Korean repeating crossbow

    Post by actionbow on Thu Sep 20, 2012 8:47 am

    Joerg, I love your weapons and I completely appreciate your use of ultra cheap materials but personally, I prefer the look and feel of a good bow. There's something to the snap of a string that really gets me excited.
    I have introduced many people to the slingshot channel and will continue to wait for each new project. You are quite a unique inventor. Cheers buddy.
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    Re: Korean repeating crossbow

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