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Trade point success??

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Titan_Bow:
 I would like to hear/see about trade point successes.  I am going to be going on a pig hunt soon and wanted to make my own points.  I've noticed some points that look to me that they would likely fail when encountering bone.  I'm wandering if there are some good rules-of-thumb here.   The design I have in my head is slightly wide, say like a Magnus 1 (2.5" long by 1.5" wide). I thought it a good idea to taper the shaft and let this taper come up the blade to create almost a ferule with the taper of the shaft.  If I do this, whats the best way to lash it on?  I remember seeing trade points for sale that had a series of holes to allow you to lash them on.  Is this the best way?   OK, I'll stop rambling now, but if you have any feedback, realworld experience or pics to post, its greatly appreciated.

Thanks,
Titan

welch2:
I cut notches on the sides of the tang with a chain saw file ,after dry fitting in the cut out end of the shaft.Then I cut matching notches in the shaft for the sinew to grip.







Ralph

Minuteman:
Ralph's design is a fine one. The only thing I'd do diffferently is to notch the shaft more to allow the wood to come up closer to the tip of the trade point. That'll help keep it stiff if it does encounter anything harder than a rib.
 I'd go at least half way up then taper the wood.
 I do mine that way and don't even use a tang at all.

Titan_Bow:
Thanks for the feedback so far.  Although not to scale, these were the designs I have thought about.  I thought it a good idea to extend the shaft up closer to the tip, but my question now becomes, does it need to glued or epoxied?  If so, what is the best adhesive?  Alternatively, I was thinking about drilling a series of holes on either side of the shaft and using sinew to attach it.  Has anyone used this method to attach points?  Are there any drawbacks I should be aware of?  Here are some pics I made up  to illustrate:

welch2:
Yes you need to glue them in .I use pine tar and charcoal ,and hide glue and sinew.

Steel is stronger than wood. If your points are thick enough in the first place ,it takes a lot to bend them.   I use 16 guage hot rolled steel for my points ( thicker than that sometimes  ;D ) they weigh in a little over 200 grains each. they hold up pretty good.

What kinda metal are you planning on using?

Ralph

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