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

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» 12th Century Chinese Crossbow Chronographed
by stuckinthemud1 Fri Nov 24, 2023 3:50 pm

» Crossbow Stock
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» Colletiere a Charavines continuing experiment
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» Cocking - how
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» Questions around heavy crossbow lath buildin
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» Arab Crossbow
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» prod angle, and lever trigger for sale anyone?
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» flexible string
by jasper1978 Mon Mar 20, 2023 1:25 am

» [solved]Skane/Lillohus crossbow thread
by stuckinthemud1 Sun Mar 19, 2023 7:44 am

» jens sensfelder
by jasper1978 Wed Mar 08, 2023 11:58 pm

» 400lb Windlass crossbow bolts weight and accuracy shooting high.
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» Codex Löffelholz crossbow
by stuckinthemud1 Tue Jan 24, 2023 4:14 pm

» Digitar prodsc
by stuckinthemud1 Sun Jan 15, 2023 2:42 pm

» Troubleshooting
by Andy. Fri Jan 06, 2023 12:29 pm

» Wood Prods
by stuckinthemud1 Fri Dec 30, 2022 12:47 pm

» Colletiere a Charavines crossbow
by stuckinthemud1 Fri Dec 30, 2022 8:54 am

» Simplified Löffelhotz speedloader
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» Fiberglass H-bows
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» Bad Antler
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» Anyone make their own bolts?
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» Josef alm in English
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» Qin/Han lock drawings
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» stirrup dimensions?
by stuckinthemud1 Thu Sep 01, 2022 1:49 pm

» Skane/Lillohus lockbow information needed
by stuckinthemud1 Sun Aug 14, 2022 6:23 am

» need help contacting le musee Dauphinois Grenoble
by stuckinthemud1 Sat Aug 13, 2022 3:22 pm


3 posters

    Who is "mac" ?

    mac
    mac
    Master Weaponsmith
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    Posts : 561
    Join date : 2010-12-23
    Location : Near Philly USA

    Who is "mac" ? Empty Who is "mac" ?

    Post by mac Wed Dec 29, 2010 2:44 pm

    Hi!

    I'm Robert MacPherson. I have built about a dozen crossbows over the years; mostly modest bows in the 150lb (70 kilo) range. Most of my bows have been based on "Gothic one-foot bows" of the high middle ages. I have also built an all steel ballistrino with a built in screw spanning mechanism. I will try to get some pics of some of my crossbows together and post them.

    I feel as though I have a good understanding of what makes crossbows "tick", and am very willing to share what I know with others.

    My fondest crossbow desire is to build horn and sinew composite bows, and hope that the folks here on this forum can help me overcome some of the technical hurdles.

    Mac

    http://www.lightlink.com/armory/
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    Geezer
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    Who is "mac" ? Empty Re: Who is "mac" ?

    Post by Geezer Wed Dec 29, 2010 3:32 pm

    Welcome 'mac': You know me as iolo, but I'm just Geezer here. If you wanna build horn/sinew crossbows, start by locating a copy of Die Hornbogen Armbrust, by Holger Richter (pub. by Verlag Angelka Hornig) I found my copy online for a bit under $100, and it's well worth it. Hornig references an artisan in England who seems to have the art of making horn/sinew crossbow prods in hand. There's plenty more to learn, but if you can find this English artisan, and he's willing to teach, you could be well on your way.
    It's good to have you on board, old friend. I
    DARIVS ARCHITECTVS
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    Post by DARIVS ARCHITECTVS Wed Dec 29, 2010 5:13 pm

    Hello Mac,

    Darius here. Nice of you to join us!
    mac
    mac
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    Post by mac Thu Dec 30, 2010 12:43 pm

    Geezer wrote:Welcome 'mac': You know me as iolo, but I'm just Geezer here. If you wanna build horn/sinew crossbows, start by locating a copy of Die Hornbogen Armbrust, by Holger Richter (pub. by Verlag Angelka Hornig) I found my copy online for a bit under $100, and it's well worth it. Hornig references an artisan in England who seems to have the art of making horn/sinew crossbow prods in hand. There's plenty more to learn, but if you can find this English artisan, and he's willing to teach, you could be well on your way.
    It's good to have you on board, old friend. I

    I thought that was you! It's good to see ya' here!

    There is certainly good stuff in Richter (bought a copy a few months ago). I am intrigued and baffled by the way horn plates of various widths and lengths are made to nestle in into each other like cells in a living tissue. There is a picture on page 89 (abb.66) which shows this very clearly. The structure looks surprisingly organic.

    Richter quotes McEwen on his methods of construction in the back of the book. While I have the greatest respect for McEwen, it seems to me that his methods have too much of a machinist's precision about them. The results are stiff, symmetrical and precise; they lack the organic fluidity of the structures we can see in the pics of old bows. If you follow the outlines of the plates in the pic I mentioned above, you will see that they are not at all flat, but curve to fit neatly into their fellows. It almost looks like the medieval bowyer was able to squeeze a nearly random pile of tapered plates into a billet.

    Do you think we should carry this over into it's own thread?

    Mac
    mac
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    Post by mac Thu Dec 30, 2010 12:45 pm

    DARIVS ARCHITECTVS wrote:Hello Mac,

    Darius here. Nice of you to join us!

    Hello Darious! Glad to see you here!

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