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

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» Cutting delrin straight by hand?
by drawknife Sun Sep 20, 2020 8:09 am

» Anyone make their own bolts?
by sydney1942 Wed Sep 02, 2020 3:03 pm

» Cocking via moving the bow.
by ora8i Fri Aug 28, 2020 2:03 pm

» Claw crossbow prototype
by Phil Abrahams Fri Aug 28, 2020 9:20 am

» Stirrups, how heavy? Design help needed
by stuckinthemud1 Tue Aug 18, 2020 2:24 pm

» ash lath and pin-lock crossbow
by stuckinthemud1 Tue Aug 11, 2020 2:31 pm

» Finish on lashings
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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

» 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

» 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


    Universal standard Crossbow nut

    avatar
    jaeger22
    Workshop Savvy

    Did you see my tool collection?


    Workshop SavvyDid you see my tool collection?

    Posts : 153
    Join date : 2013-03-15
    Age : 72
    Location : Orlando, FL

    Universal standard Crossbow nut - Page 4 Empty Universal standard Crossbow nut

    Post by jaeger22 on Tue Jun 17, 2014 3:07 pm

    First topic message reminder :

    OK I am talking about the part here not us X bow builders and shooters! Laughing 
    So I was thinking about why there are relatively few people building their own crossbows. It seems like crossbows are becoming more popular and we see them more and more in both the large and small screen as well as in the woods. So why are there not a ton of DIY builders?
    My theory is that many are stopped by the need for some basic machined parts and the lack of tools or skills to make them. Many have the skills to build the stock, bows and strings are available for purchase at entry level prices. And there are several low tech ways to make bows like the car springs and the multi slat system KenH used so effectively. But try to buy a nut or trigger module.  Sad 
    I think the availability of a low cost high quality set of trigger parts and/or assembly would open the door to a lot of new builders. So I may be a Don Quixote tilting at windmills but I want to take on that problem. But I need the help of you more experienced builders here.
    My son owns a machine shop and I am an engineer and I plan to coerce him into using his fabulous CNC machines to produce some parts for us. I am thinking two levels; The first level is a simple nut and trigger/tickler set. Maybe a set of side plates. These could be a kit or individual parts. The idea is to have standard parts to keep the price low but give the builder maximum flexibility to do his own design and construction. This should work for entry level first timers on up to fairly serious recreations of antique crossbows. So low cost and high quality are needed. That is the domain of CNC machines. Smile 
    The second level is a drop in cartage of a modern type based on my own design with the hammer. (See new member and new trigger design). More on that later.
    So I am thinking 1.5” diameter nut made of black Delrin,  ¼” axel hole and a small hardened tool steel plate for the trigger notch. Here are some pictures of an aluminum prototype I made last night. (I have some 1.5” delrin rod on order)
    I would love to get your thoughts.

    Rough cut on the band saw (from .875" stock).
    Universal standard Crossbow nut - Page 4 P1010821_zpsbc9220fe
    After a quick run on the lathe:
    Universal standard Crossbow nut - Page 4 P1010825_zpsfab5245c

    Here is the tool steel wedge has been pressed in but not cut off and trimmed yet.
    Universal standard Crossbow nut - Page 4 P1010831_zpsdb486c83
    This picture is a bit fuzzy but it shows the trigger notch. It is wide enough to accommodate up to a .375" trigger.
    Universal standard Crossbow nut - Page 4 P1010835_zps4136767e

    Here the machining is basically finished.  It just needs hand file clean up:
    Universal standard Crossbow nut - Page 4 P1010840_zps11875c81
    Please let me know your thoughts.
    Thanks,
    John
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    kenh
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

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    Join date : 2012-08-03
    Age : 72
    Location : Living Aboard a Sailboat in Fort Myers, FL

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    Post by kenh on Fri Oct 03, 2014 8:44 pm

    I'm starting another thread to discuss the rest of the Ming Crossbow re-creation....
    ali.j
    ali.j
    Tinkerer

    If there is a will, there is a way.


    TinkererIf there is a will, there  is a way.

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    Post by ali.j on Thu Jun 09, 2016 10:03 am

    hi agin my firend. i was in milattry servis. but is finishing son (15 days later im wil be free of war )
    in my free time in milattry servise i made a new crossbow. you mabe watched in youtobe chanel 
    this video


    for this crossbow i made a ful atomaticly safe trigger sistem. 
    Universal standard Crossbow nut - Page 4 E5b0b49288dea0a7b19482f7894edceb
    Universal standard Crossbow nut - Page 4 4ac033f2bef6dc3b7ab6ae09b6dea090
    and i made a trigger by aliminum after i replace that
    Universal standard Crossbow nut - Page 4 8de1ca9ae49d6c68f412cef81806364a

    and this photo is about my 2015 homemade crossbow trigger 
    Universal standard Crossbow nut - Page 4 712de1cd517f941958da77b11357deb3
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    Fangbows
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

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    Post by Fangbows on Tue Apr 14, 2020 11:57 pm

    Hi Sir, I would like to buy or rent a Han Dynasty Chinese style Trigger 
    (Prefer modern steel as the material, but any material that can support 250lbs will do)
    Here is the 240@32" prod I will most likely use


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