Author Topic: Homemade Crossbow  (Read 9871 times)

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Offline trentu

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Homemade Crossbow
« on: August 19, 2012, 06:42:35 AM »
Here is a vintage Jayhawk crossbow kit I am starting. It gives you all the bits and pieces but you have to build a stock and fit the peices in. You even have to form the trigger guard. I'll post building pics as it moves along.



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Offline greyhound352

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Re: Homemade Crossbow
« Reply #1 on: August 19, 2012, 07:00:45 AM »
Looking forward to the build pics.
"Between every two pines is a doorway to a new world." John Muir

Offline SwampHanger

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Re: Homemade Crossbow
« Reply #2 on: August 19, 2012, 09:22:31 AM »
That's great!  Where did you get the kit. Ma-Deuce crossbows on my skiff would rock! To many possability's with this.

Offline trentu

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Re: Homemade Crossbow
« Reply #3 on: August 19, 2012, 09:55:15 AM »
That's great!  Where did you get the kit. Ma-Deuce crossbows on my skiff would rock! To many possability's with this.

Picked it up on eBay. They were popular school shop projects in the 70"s and 80's. I made one in shop class in 1983 and got a B+ on it. They "twag" pretty bad when shot. Might try a flemish string on it because they are steel aircraft cable that come with it.
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Offline MATT CHAOS

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Re: Homemade Crossbow
« Reply #4 on: August 19, 2012, 03:48:06 PM »
I'm looking forward to seeing more!
This will be cool!
 ;)
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Offline SwampHanger

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Re: Homemade Crossbow
« Reply #5 on: August 19, 2012, 03:50:13 PM »
Thanks can't wait to see your progress.

Online wolfy

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Re: Homemade Crossbow
« Reply #6 on: August 19, 2012, 04:18:33 PM »
Just a quick 'insert'.....

The Sept/Oct issue of Backwoodsman Magazine has an article on building a pretty cool crossbow, utilizing an old compound bow.

Carry on 8)
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Offline trentu

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Re: Homemade Crossbow
« Reply #7 on: August 19, 2012, 06:55:20 PM »
Just a quick 'insert'.....

The Sept/Oct issue of Backwoodsman Magazine has an article on building a pretty cool crossbow, utilizing an old compound bow.

Carry on 8)

That's my next project!  ;)
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Offline Red (TM)

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Re: Homemade Crossbow
« Reply #8 on: August 19, 2012, 08:59:06 PM »
this is gonna be slick :D
"Big drama next few hours.. But whatever happens, no matter what they tell you.. Don't let 'em take them chains off me.."

Offline SwampHanger

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Re: Homemade Crossbow
« Reply #9 on: August 25, 2012, 12:52:05 PM »
Bump Need some pics! Really want to watch this build!

Offline MATT CHAOS

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Re: Homemade Crossbow
« Reply #10 on: August 26, 2012, 09:17:53 AM »
Bump Need some pics! Really want to watch this build!

+1
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Offline trentu

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Re: Homemade Crossbow
« Reply #11 on: August 28, 2012, 04:37:09 AM »
Starting it now. Broken finger slowed me down some but have the stock drawn out and ready to start cutting. Will post some pics soon.
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Offline SwampHanger

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Re: Homemade Crossbow
« Reply #12 on: August 28, 2012, 05:06:11 AM »
Great! Hope your finger heals quick.

Offline MATT CHAOS

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Re: Homemade Crossbow
« Reply #13 on: August 31, 2012, 09:55:59 AM »
Get better soon!
I'm interested in the pictures!
 ;)
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Offline SwampHanger

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Re: Homemade Crossbow
« Reply #14 on: September 15, 2012, 03:35:56 PM »
Bump how you feelin?

Offline Saintnick001

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Re: Homemade Crossbow
« Reply #15 on: September 15, 2012, 07:17:23 PM »
Missed another interesting post. I gotta see how this turns out!
"Well, at least it's not a femur through the pelvis."

Offline SwampHanger

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Re: Homemade Crossbow
« Reply #16 on: October 06, 2012, 10:18:19 AM »
PICs

Offline Joe f

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Re: Homemade Crossbow
« Reply #17 on: February 21, 2013, 06:14:58 PM »
I built one of these crossbows in high school and still have it.I would like to know where I can purchase one of these kits and how much for them this would be a nice project for myself now that I am way older and got more craftsman knowledge. Thank you

Offline Draco

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Re: Homemade Crossbow
« Reply #18 on: February 22, 2013, 04:18:01 PM »
Very cool.  I have thought about trying to build my own.  I found some plans on the interweb but they were not very detailed.

Once I had it built and working good I will cut the sleeves off my shirt to finish the project. 

Offline PetrifiedWood

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Re: Homemade Crossbow
« Reply #19 on: February 22, 2013, 09:25:21 PM »
I took a cursory look around online and couldn't find any modern kits.
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Offline Draco

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Re: Homemade Crossbow
« Reply #20 on: February 24, 2013, 10:36:15 AM »
I took a cursory look around online and couldn't find any modern kits.

I could not find any kits but on ebay I found some limbs.  They are the very inexpensive ones but that does not always mean bad.

http://www.ebay.com/itm/150LB-Crossbow-Fiberglass-Limb-Replacement-String-Caps-/270863665551?pt=LH_DefaultDomain_0&hash=item3f10bb898f

What I found distinctly missing anywhere is good how to plans.  There are a few somewhat lame plans from old magazine articles from 30 plus years ago but I was looking for something a little more modern. 

Offline PetrifiedWood

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Re: Homemade Crossbow
« Reply #21 on: February 24, 2013, 04:45:13 PM »
A Google image search for crossbow blueprints yields some seemingly promising results.
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Offline Draco

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Re: Homemade Crossbow
« Reply #22 on: February 24, 2013, 06:14:19 PM »
A lot of those are the same 1953 Mechanix Illustrated article.  There is a great picture of a girl holding one that was probably nearly pornography in the 50s.  :lol:  Really she was very attractive.   

I found information on the physics of design but truthfully I did not want to start that far back.  I was looking for more hand holding like the red wood bow instructions out there.

Offline shane

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Re: Homemade Crossbow
« Reply #23 on: February 25, 2013, 02:32:41 PM »
I remember buying one of those in a pawnshop many moons ago. Never knew what happened to that thing which means dad probably happened to it! Thanks for posting this
Making one of a kind tools, one at a time -shane

Offline Spyder1958

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Re: Homemade Crossbow
« Reply #24 on: March 06, 2013, 09:31:33 PM »
what has happened to Trent, would like to see this finished.
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Offline madmatt

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Re: Homemade Crossbow
« Reply #25 on: March 11, 2013, 08:17:07 PM »
I too have built this kit back in high school. It was a lot of fun. Been looking for this kit for some time. Would like to work on it with my son. any one have a source?

Offline PetrifiedWood

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Re: Homemade Crossbow
« Reply #26 on: March 11, 2013, 09:58:03 PM »
I too have built this kit back in high school. It was a lot of fun. Been looking for this kit for some time. Would like to work on it with my son. any one have a source?


I looked but couldn't find them on ebay.
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Offline trentu

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Re: Homemade Crossbow
« Reply #27 on: March 29, 2013, 03:52:03 AM »
Hey all!! Looks like I better get my butt in gear on this old project. These old vintage kits are kinda hard to find unassembled.
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Offline woodbuilder

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Re: Homemade Crossbow
« Reply #28 on: October 07, 2013, 04:59:02 PM »
sent pm about plans.

Offline PetrifiedWood

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Re: Homemade Crossbow
« Reply #29 on: October 07, 2013, 09:02:12 PM »
Looking forward to seeing this one finished.


Seems like there would be a market for these kits if a company started producing them again.
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Offline woodbuilder

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Re: Homemade Crossbow
« Reply #30 on: October 12, 2013, 09:47:56 PM »
I might need some measurements from you to sse if the one I picked up at a flea market is a Jayhawk. It sure looks like it.
The aluminum prod was nothed out at the top by a previous owner and the stock is cracked behind the trigger. It was screwed back together and the hole patched.
I am in the process of stripping the stock and having the notch welded and smoothed.
I remember reading somewhere the distance from the front prod mount to the trigger was 13.5 inches. That is what mine is.
Funny, the guy I bought it from said "it was a trainer from the Vietnam era. Very rare." I only paid 15 bucks for it.
Did not have a string, so might need a measurement on that. I think the prod is 27.5 inches.
I will post some pics when I get some.
Rob.

Offline John Van Gelder

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Re: Homemade Crossbow
« Reply #31 on: November 08, 2013, 07:43:31 AM »
I put one of those together back in about 1959.   A real learning experience.  The one I had came with a steel cable for the string and the firing mechanism was all metal.  I shot that until the cable snapped on time just as I fired and it turned into a weed eater.  Fortunately no one was hurt.  My brother in-law wanted it and I was glad to give it to him.


Offline Old Philosopher

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Re: Homemade Crossbow
« Reply #32 on: November 09, 2013, 01:59:16 PM »
Back in high school, a friend and his alcoholic, totally insane brother built a "crossbow" out of the leaf spring off a '53 Chevy. Can you say "hand held ballista"? I thought you could. It would shoot a broom handle 50 yds, and rattled your fillings loose!
I don't think we get smarter as we get older. We just run out of stupid things to do.