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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
by kenh Tue Oct 31, 2023 6:19 am

» Colletiere a Charavines continuing experiment
by stuckinthemud1 Sat Oct 07, 2023 5:36 am

» Cocking - how
by stuckinthemud1 Thu Aug 03, 2023 4:24 am

» Questions around heavy crossbow lath buildin
by stuckinthemud1 Wed Apr 26, 2023 1:10 am

» Arab Crossbow
by stuckinthemud1 Tue Apr 25, 2023 7:57 am

» prod angle, and lever trigger for sale anyone?
by stuckinthemud1 Mon Mar 20, 2023 5:54 am

» 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.
by stuckinthemud1 Sun Mar 05, 2023 2:53 pm

» 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
by stuckinthemud1 Fri Dec 09, 2022 4:05 pm

» Fiberglass H-bows
by c sitas Sat Nov 12, 2022 8:44 am

» Bad Antler
by drawknife Sat Nov 12, 2022 3:48 am

» Anyone make their own bolts?
by Juniper Mon Oct 17, 2022 8:20 am

» Josef alm in English
by Juniper Sat Oct 15, 2022 4:22 am

» Qin/Han lock drawings
by kenh Fri Sep 23, 2022 8:16 pm

» 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


4 posters

    Drawing of Crossbow

    crusader
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    crusader
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    • Post n°1

    Drawing of Crossbow Empty Drawing of Crossbow

    Post by crusader Thu May 19, 2022 5:27 am

    hey guys,

     I want to make a replica of one of these crossbows.

     Does anyone have a drawing with dimensions?

     Or a CAD drawing?

     That will be great!Drawing of Crossbow 7ace0810
    Drawing of Crossbow 827f4e10
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    tghsmith
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    • Post n°2

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by tghsmith Thu May 19, 2022 5:02 pm

    use all available info and work from there.. if you have decent photos and basic measurements you can start and fill in the missings,, download the crossbow paper (forgot the name) as is has much more measurements on many crossbows..
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    • Post n°3

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by kenh Fri May 20, 2022 5:06 am

    Send polite, grammatically correct messages to the museums, explaining that you are interested in making a replica of a specific weapon, and asking politily if they could provide a few critical measurements.  

    Depending on the museum and the exhibit curator's interest and level of busy-ness you could get a wealth of information -- or a polite refusal.

    I've done exactly this for two musical instruments I was interested in replicating.  In one case I got detailed scientific photographs with measurements to the nearest millimeter.  I the second case I got two critical measurements and one photo from which i could scale everything else.
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    • Post n°4

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by stuckinthemud1 Thu May 26, 2022 11:06 am

    I have written to numerous museums asking for detailed measurements and /or information on collection items and almost all have bent over backwards to help but you need to ask very specific questions. Don’t expect the curator of weapons to know anything about crossbows, they will not, never mind to understand the needs of a replica maker.
    What are you making the nut from? The precise measurements of the replica I built depended entirely on the nut material. The antler I used could only make a nut of a specific size. In turn this determined the depth and width of the nut socket which decided the location of the tickler…course if you use Delrin none of that matters
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    • Post n°5

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by crusader Wed Jun 01, 2022 2:04 pm

    hello, i made the nut from antler.  the diameter is 38mm and the width is 25mm.  I add a photo.  I drew for a few hours and this came out.. it's still a start, at first it was just about the shape of the tiller.  let me know what you thinkDrawing of Crossbow 00c03810
    Drawing of Crossbow E3542710
    Drawing of Crossbow 7091f910
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    • Post n°6

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by stuckinthemud1 Wed Jun 01, 2022 3:59 pm

    If you know what the draw length will be, then you know where the centre of the nut must go. This corresponds to the fattest part of the tiller.the width of the nut gives the width of the bolt table and the width of the start of the spine inlay
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    • Post n°7

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by stuckinthemud1 Wed Jun 01, 2022 4:03 pm

    Also, the length of the bow string matches the length of the tiller. This is where an email to the museum is helpful.
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    • Post n°8

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by crusader Wed Jun 01, 2022 10:54 pm

    Drawing of Crossbow 9cd13210
    Drawing of Crossbow Df969110hello, i bought a prod from jens sensfelder.  170kg, bra=75 draw length 160mm 160+75=235mm.  the string length is 638mm.  that seems a bit short for the length of the tiller!  I made cross-sections based on that data, and then put the cross-sections in a row, and that's how this shape came out.  (see photo) I received a response from the museum in Glasgow yesterday!  with very good pictures.  with a digital caliper next to it.  the crossbow in the museum has a composition prod, which I can't make (yet).  so my size are slightly different.  maybe a project for the future.
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    • Post n°9

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by stuckinthemud1 Thu Jun 02, 2022 12:59 am

    The Glasgow staff are brilliant, always really helpful. Is the prod from Jens steel? I guess if you are using a prod of a different length then a completely accurate replica doesn’t matter, and you should go with your drawings. Have fun, learn lots, keep asking us questions
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    • Post n°10

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by crusader Thu Jun 02, 2022 3:53 pm

    hello, yes the prod of jens is made of steel.  I'll see if I have another photo.  May I ask which original crossbows you have photos of?  and what do you make your prods from?Drawing of Crossbow 9da38210
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    Drawing of Crossbow 5134bc10
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    • Post n°11

    Drawing of Crossbow Empty Re: Drawing of Crossbow

    Post by stuckinthemud1 Fri Jun 03, 2022 3:01 am

    My interest is in wood laths, wood/sinew composite and horn bows.  I have pictures and measurements of the Glasgow yew bow and the Swedish yew/sinew bow.
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    Drawing of Crossbow Empty Re: Drawing of Crossbow

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