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

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» Troubleshooting
by Cscott Tue Nov 15, 2022 11:55 am

» Fiberglass H-bows
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» Bad Antler
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» Anyone make their own bolts?
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» Colletiere a Charavines crossbow
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» Josef alm in English
by Juniper Sat Oct 15, 2022 4:22 am

» Qin/Han lock drawings
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» stirrup dimensions?
by stuckinthemud1 Thu Sep 01, 2022 1:49 pm

» Skane/Lillohus lockbow information needed
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» need help contacting le musee Dauphinois Grenoble
by stuckinthemud1 Sat Aug 13, 2022 3:22 pm

» Low Draw Weight Build
by stuckinthemud1 Fri Aug 12, 2022 3:09 pm

» Trigger testing Rig/Jig?
by ora8i Fri Aug 12, 2022 1:13 pm

» best type of horn to use..
by stuckinthemud1 Fri Jun 24, 2022 6:13 am

» Han Dynasty Chinese Crossbow
by hullutiedemies Fri Jun 17, 2022 1:00 pm

» Drawing of Crossbow
by stuckinthemud1 Fri Jun 03, 2022 3:01 am

» "How To Make Everything": Early Crossbow
by stuckinthemud1 Thu Jun 02, 2022 3:41 am

» Black inlay
by stuckinthemud1 Fri May 13, 2022 3:18 pm

» Roller nut details
by drawknife Thu Apr 21, 2022 2:44 pm

» 330#/7" wood bow
by Anatine Duo Tue Mar 29, 2022 11:08 am

» starting a 1400's replica
by stuckinthemud1 Thu Feb 24, 2022 1:26 pm

» 18th century German crossbow reproduction
by Fangbows Sun Feb 20, 2022 7:15 am

» replacement for baleen?
by tghsmith Mon Jan 17, 2022 9:30 am

» Medieval crossbow finished
by stuckinthemud1 Wed Jan 12, 2022 3:05 pm

» Trigger mechanisms
by stuckinthemud1 Mon Jan 03, 2022 10:23 am

» Finish wooden stock
by stuckinthemud1 Sat Dec 25, 2021 9:06 am


2 posters

    Trigger mechanisms

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    stuckinthemud1
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    Trigger mechanisms Empty Trigger mechanisms

    Post by stuckinthemud1 Wed Dec 29, 2021 3:19 pm

    I am planning my next build and could do with some design help for a mechanism.  Can anyone point me to (or post) some multi axis designs suitable for an early/mid 16th century crossbow?

    I am also puzzling about double set triggers, has anyone got any plans/photos of this kind of mechanism?

    Thanks

    Andrew
    tghsmith
    tghsmith
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    Trigger mechanisms Empty Re: Trigger mechanisms

    Post by tghsmith Fri Dec 31, 2021 10:07 am

    both the crossbows in the royal netherlands army museum and the hornbogenarmbrust have good drawings of several types. if you can't get your hands on them pm me your email..
    tghsmith
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    Trigger mechanisms Empty Re: Trigger mechanisms

    Post by tghsmith Sun Jan 02, 2022 12:16 pm

    sent you two emails, my workings with a 3 pivot mech. showed me that building the unit on a flat board/plate and then transferring the centers to the tiller block while it is still square.. hard to fine tune the parts when you can't see whats going on..
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    stuckinthemud1
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    Post by stuckinthemud1 Sun Jan 02, 2022 3:23 pm

    Thank you so much. I'm most grateful
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    stuckinthemud1
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    Trigger mechanisms Empty Re: Trigger mechanisms

    Post by stuckinthemud1 Mon Jan 03, 2022 7:30 am

    So, when you made your mechanism, I guess you used mild steel and then hardened it?  What thickness material did you use? Also, how did you work out how strong the springs needed to be? Thanks in advance,
    Andrew
    tghsmith
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    Trigger mechanisms Empty Re: Trigger mechanisms

    Post by tghsmith Mon Jan 03, 2022 9:45 am

    my 3 pivot has no springs, all mild steel that will have the contact points hardened.. all 3/8" thick..no springs. start saving junk that had springs so you will have many strengths to try..  Myself, I would work out all the parts in 1/8th pvc/plastic sheet before steel..I turned the test pivot pins with points so the final hole centers could be easy to transfer,, I have a bench top milling machine so my parts are dead-on square. a machine shop with a waterjet or other cutter could make quick work of cutting true parts.. 
    https://2img.net/r/ihimizer/v2/640x480q90/922/zsLHEW.jpg
    https://2img.net/r/ihimizer/v2/640x480q90/922/mw4t6v.jpg
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    stuckinthemud1
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    Trigger mechanisms Empty Re: Trigger mechanisms

    Post by stuckinthemud1 Mon Jan 03, 2022 10:23 am

    That's a nice set-up, I'm very jealous :-D  
    I love the idea of the sharp pivots, Think I need to start saving up, I suddenly feel the need for a milling machine...

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