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    Crossbow with built in lever?

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    Crossbow with built in lever?

    Post by mb4 on Tue Jun 27, 2017 1:36 pm

    I'm new to the world of ancient crossbows, but I'm interested in learning everything I can. Has anyone built a crossbow with a built-in lever or spanning device?
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    Re: Crossbow with built in lever?

    Post by Onager Lovac on Tue Jun 27, 2017 2:49 pm

    I haven't built one, but i would probably use this type of lever:




     

    This one was made by someone here at the forum, don't remember who tho ???.
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    Re: Crossbow with built in lever?

    Post by Onager Lovac on Tue Jun 27, 2017 2:49 pm

    Oh and welcome to the forum.
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    Re: Crossbow with built in lever?

    Post by kenh on Wed Jun 28, 2017 5:54 am

    There is/was a style of crossbow called a Latch or Latchet, at least one version is of which had an built-in cocking lever:   http://www.todsstuff.co.uk/crossbows/crossbows.htm


    There is a rather detailed build-along at the MyArmory discussion site, enough info that you could make your own if you work with metal; the thread includes a link to a YouTube shows Tod firing the bow repeatedly:


    https://myarmoury.com/talk/viewtopic.php?t=27236



    Wish I knew someone willing to make me this action!  Any takers?
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    Re: Crossbow with built in lever?

    Post by kenh on Wed Jun 28, 2017 6:21 am

    There is also the Chinese semi-automatic crossbow called Chu Ko Nu or Zhu ge nu,  featuring a sliding box magazine, and an action that fires one or to bolts each time you complete the cocking action. You can find plans and build-alongs all over the Internet;  here are a couple from our files:

    http://thearbalistguild.forumotion.com/t1509-chu-ko-nu-zhu-ge-nu-chinese-repeating-crossbow-making-process-from-china?highlight=chinese+repeating

    http://thearbalistguild.forumotion.com/t490-new-project-chinese-repeating-crossbow?highlight=chinese+repeating

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    Re: Crossbow with built in lever?

    Post by mb4 on Wed Jun 28, 2017 6:08 pm

    Thanks for the replies! Is the Cho Ku No powerful enough to be a useful weapon?
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    Re: Crossbow with built in lever?

    Post by Geezer on Wed Jun 28, 2017 9:00 pm

    Is the Chinese repeater strong enough to be a useful weapon.  I've built a few lite ones, @ 70 lb, but know of bows of the same pattern built to @ 125 lb.  That's strong enough to be really dangerous.  It seems the Chinese used them for point-defense: gates, hallways, etc. Years ago when I was in grad school, I saw photos taken at the Taku Forts (defensive works downriver from Peking, on the Yellow Sea) that showed Chinese repeaters lying about abandoned on a battlefield.  I don't suppose that actually proves anything: somebody could well have posed the photo to make the Chinese look stupid, but I figure all those machines came from somewhere... anr armory nearby perhaps.  So yes, I think you can make Chinese repeaters large enough to be militarily useful.  However, they are a bit bulky/unwieldy, for close-in use like a sawed-off shotgun or sub machinegun.  Not suitable for accurate shooting at distance targets.
    Years ago, there was a crossbow builder in Arkansas who made a slide-action repeating crossbow.  Apparently they were available @45 lb. and 80 lb. with a small box-type magazine. (5 bolts?) 
    The best modern repeater I have seen was made by a guy who lived in the outskirts of Austin Texas. He made an aluminum-bodied repeater with built-in compound pulley arrangement. I think he eventually sold the rights for his machine, and haven't heard any more for years.  But I did once look up his patent online... It's there allright.  I had one of his repeaters in my shop for a couple of weeks, and took the opportunity to take some photos.  Geezer.
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    Re: Crossbow with built in lever?

    Post by kenh on Thu Jun 29, 2017 5:50 am

    Effectiveness of the Cho Ku No would depend on what kind of "troops" you're using it against.  Well armored troops, not so much; but against unarmored peasant levies it would be quite effective.  The Cho Ku No was probably also used with poisoned bolts.  Not immediately effective, but if the enemy knows this, they'll avoid contact with troops armed this way if they possibly can.  Then again, the 'poisoned bolt' story may be one of the more effective pieces of propaganda...

    If you'r into LARP and could create a LARP-safe version, I think a couple of these could rule a skirmish!

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    Re: Crossbow with built in lever?

    Post by mb4 on Thu Jun 29, 2017 7:38 am

    Interesting! I'm looking for something like the crossbow shown in this video:

    youtube. com/watch?v=9lpOJAt9Gpc

    The user seems to pull a lever underneath the stock to span the bow.
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    Re: Crossbow with built in lever?

    Post by kenh on Thu Jun 29, 2017 11:24 am

    Same basic sliding action as the Latchet described above, but with the lever moved below.  IIRC one of the Latchet discussions here described the possibility of moving the lever to the underside of the tiller. 

    There must be a description/sketches of the Leonardo action on the 'net somewhere.

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