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

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» Question regarding the goat’s foot lever
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» Question regarding the goat’s foot lever
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» Just finished my windlass crossbow!
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» How to Test the Breaking Strength of a Matieral for a Bow String?
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» Compound twinbow pistol (posts vs pulleys)
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» Linen or Hemp String
by banuvatt Sun Nov 17, 2019 11:35 am

» Length of End Loops for Prod String?
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» Nut Diagram
by banuvatt Wed Nov 13, 2019 1:53 pm

» 17th century stonebow school project
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» what depth to Install a Prod and angle
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» Tickler Dimensions?
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» How To Make a Roller Nut?
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» Roller Nut Size
by banuvatt Thu Oct 31, 2019 7:59 pm

» anyone know anything about this one - updated with new image
by stuckinthemud1 Thu Oct 31, 2019 6:16 am

» Laminating crossbow limbs
by banuvatt Mon Oct 28, 2019 4:33 pm

» Info required for old laminated limbs
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» Goats Foot Lever
by Arcuballista Wed Oct 23, 2019 12:47 am

» Jig for grooving bolts for wood fletching
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» Cranequin drawings
by Crossbowman Sat Oct 19, 2019 8:46 am


    Howdy from Washington

    Sugarbuzz
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    Fresh Blood Doesn't meanI'm new to crossbows

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    Post by Sugarbuzz on Wed Dec 28, 2011 5:12 pm

    Just a quick hello to introduce myself, I don't post a lot on forums, but I have been lurking here for months learning more than I have anywhere else and figured it was about time I joined. Very Happy I've been a medieval crossbow fan for my whole life, my first crossbows were just toys when I was a kid, but as I have aged my interest has grown. As of now I have made a few -real- crossbows, a Skane type crossbow and a more conventional rolling nut type that seems to resemble some of the central european crossbows. I'm currently in the process of collecting parts and materials to make one modeled after the Padre Island types. I'm looking forward to contributing here when I can!
    Todd the archer
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    Post by Todd the archer on Wed Dec 28, 2011 6:21 pm

    Welcome, would not mind seeing pictures of your previous efforts.



    Todd
    Sugarbuzz
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    Post by Sugarbuzz on Wed Dec 28, 2011 6:43 pm

    I was actually just looking for those pictures, I'll put em up here as soon as I can locate them!
    Sugarbuzz
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    Post by Sugarbuzz on Thu Dec 29, 2011 12:59 pm

    Finally got some new pics done of one of my crossbows, I had to dig out my old digital camera. The pics I did have seem to have gone MIA. Its still a work in progress, as I still need to cover the prod with rawhide or leather, then rebind the whole bridle. Just cant seem to find a source of rawhide outside of Tandy leather. Howdy from Washington Pict0910Wow I never wrote down the specifics on this crossbow. Its one of those aluminum alloy prods from darkwood armory. Im using false sinew for the string and for the cord retaining the nut, I served it with hemp string and covered the loops with thin leather. The nut is delrin, with a steel plate sear, it seemed easier than drilling out and installing a rod. The body is red oak, and the table is poplar, I really liked the contrast even with a clear finish of danish oil. I use poplar for the bolts as well, I found red oak to be a tad too heavy for a 70# draw. I used a piece of flat steel stock for the stirrup and a round steel bar for the trigger. That part was tedious, I have a limited workshop and no access to a forge. The bridle is fairly light at the moment, I will rebind it with at least 2 times as much cordage when Im done. The belt quiver is cobbled together from scraps of an old leather purse I had laying around, but it works. Smile


    Last edited by Sugarbuzz on Thu Dec 29, 2011 5:15 pm; edited 2 times in total (Reason for editing : Had to repost pic correctly, and add some specs.)
    mac
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    Post by mac on Fri Dec 30, 2011 8:35 am

    Sugarbuzz,

    I'm pretty sure that you will get better performance out of that bow if you make your next string out of something less stretchy than "artificial sinew". The traditional material is linen or hemp, but I have never had good luck with them. It seems like we can't get the really "long staple" stuff our ancestors used. The B-50 dacron string material works well. It is available here http://search.3riversarchery.com/search?asug=string&w=string+material from "3 rivers archery".

    Mac
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    Post by Sugarbuzz on Fri Dec 30, 2011 4:42 pm

    True enough Mac, I had been using the Tandy sinew for years on bows, it does have a certain stretchiness, but not too much. I had read about using it in Iolo's crossbow book, I had figured it was somewhat more forgiving on an already limited life prod. I should upgrade to B-50, but I'm on a somewhat limited budget. You serve dacron with the same stuff? Thanks for the tip as well, I'm always looking for better ways to do things. Smile I will try to aquire some for my next project, which is already in the works. Shaping the stock now, and waiting for fedex to come through.
    mac
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    Post by mac on Fri Dec 30, 2011 9:08 pm

    Buzz,

    I serve the string with linen thread, coated in a mixture of hide glue and tallow. The tallow plasticizes the glue, so that it is not brittle.

    Mac

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