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

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» Fish skin cover on early hornbow
by stuckinthemud1 Sat Sep 14, 2019 11:14 am

» anyone know anything about this one
by OrienM Sat Sep 14, 2019 10:16 am

» what is nordic/swedish/northern style
by stuckinthemud1 Thu Sep 12, 2019 1:09 pm

» crossbow 17136, Royal Armoury Collection, Sweden
by stuckinthemud1 Sat Sep 07, 2019 1:26 pm

» notch lock trigger mechanism
by banuvatt Sat Sep 07, 2019 12:55 pm

» how made homemade (reverse) crossbow ?
by ali.j Sat Sep 07, 2019 12:08 am

» Metal clamps for bastard string
by Geezer Thu Aug 29, 2019 11:20 am

» Goats foot leaver design
by Geezer Thu Aug 29, 2019 11:17 am

» mounting sideplates
by Geezer Tue Aug 27, 2019 12:01 pm

» Hornbeam Prod
by banuvatt Thu Aug 22, 2019 9:18 am

» Binding a prod in leather?
by Wildtech Wed Aug 21, 2019 9:08 pm

» help with patterns for my 'bow
by stuckinthemud1 Tue Aug 20, 2019 4:23 am

» Steel crossbow prods
by c sitas Mon Aug 19, 2019 9:09 am

» Yew Composite prod:help needed
by stuckinthemud1 Sat Aug 17, 2019 12:10 pm

» appalachian crossbow trigger mechanism
by OrienM Fri Aug 16, 2019 6:29 am

» home-made bolt heads
by OrienM Tue Aug 13, 2019 6:42 pm

» Knottelarmbrüste or other wooden crossbows
by stuckinthemud1 Mon Aug 12, 2019 4:01 pm

» "Cherry Red" case hardening compound?
by Andy. Sun Aug 11, 2019 1:45 am

» can you ID this crossbow?
by stuckinthemud1 Sun Aug 04, 2019 4:04 pm

» Safely un stringing / stringing powerful Medieval replica crossbow
by Geezer Sun Aug 04, 2019 3:09 pm

» crossbow stock shape
by 8fingers Fri Aug 02, 2019 11:05 pm

» How to make a slurbow?
by banuvatt Sun Jul 28, 2019 10:36 am

» installing a tickler
by stuckinthemud1 Sun Jul 28, 2019 9:21 am

» Seal lath bindings, what to use?
by DARIVS ARCHITECTVS Sun Jul 28, 2019 4:54 am

» Compound twinbow pistol (posts vs pulleys)
by c sitas Fri Jul 19, 2019 7:10 pm


    Who is "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

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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
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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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