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

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» Look what the smith sent
by stuckinthemud1 Fri Jul 31, 2020 1:35 pm

» Covid 19 and crossbow builders
by kenh Thu Jul 30, 2020 10:22 am

» Crossbow accuracy
by Geezer Thu Jul 30, 2020 7:51 am

» How do you feel about miniature crossbows?
by El Zurdo Wed Jul 29, 2020 7:21 am

» Claw crossbow prototype
by Dennis Greenaway Tue Jul 28, 2020 10:34 pm

» how to Build a non Chinese repeating crossbow?
by Dennis Greenaway Tue Jul 28, 2020 4:05 pm

» Just finished my windlass crossbow!
by Dennis Greenaway Tue Jul 28, 2020 4:01 pm

» Sinew backed crossbow prod tillering. Update and questions.
by stuckinthemud1 Tue Jul 28, 2020 2:43 am

» snakeskin not birch bark on composite bows in medieval period
by Cornerstone Mon Jul 27, 2020 3:50 pm

» two axle mechanism makers/accurate plans?
by stuckinthemud1 Wed Jul 22, 2020 10:34 am

» Anyone make their own bolts?
by MPDVM Tue Jul 07, 2020 11:14 pm

» ash lath and pin-lock crossbow
by stuckinthemud1 Sat Jul 04, 2020 2:42 am

» Stonebow Buildalong
by banuvatt Thu Jun 25, 2020 9:00 pm

» How to Attach a PVC Prod to a Stock?
by banuvatt Tue Jun 02, 2020 8:22 am

» finally started my first composite bow
by stuckinthemud1 Fri May 29, 2020 12:40 am

» AMAZING MINI CROSSBOW code name KillCovid-19
by El Zurdo Thu May 21, 2020 3:14 am

» Draw length ash lath
by banuvatt Thu Apr 23, 2020 9:47 am

» Would like to buy or rent a Han Chinese Trigger
by PierreC Thu Apr 23, 2020 2:37 am

» High Draw Weight PVC Crossbow Build
by banuvatt Fri Apr 17, 2020 3:07 pm

» Universal standard Crossbow nut
by Fangbows Tue Apr 14, 2020 11:57 pm

» Making Chinese 240lb Han Crossbow
by banuvatt Tue Apr 07, 2020 8:40 am

» Goat’s foot lever drawings
by Geezer Mon Mar 23, 2020 9:18 am

» First Build
by banuvatt Thu Mar 05, 2020 7:14 pm

» How to Test the Breaking Strength of a Matieral for a Bow String?
by banuvatt Thu Mar 05, 2020 4:06 am

» Can anyone help me ID this?
by Geezer Sat Jan 25, 2020 4:30 pm


    Who is "mac" ?

    mac
    mac
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    Post by mac on 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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    Post by Geezer on 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 on Wed Dec 29, 2010 5:13 pm

    Hello Mac,

    Darius here. Nice of you to join us!
    mac
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    Post by mac on 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 on 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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