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Crossbow Plunger Tube Measurements


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#1 shoeshine5

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Posted 18 September 2008 - 12:07 AM

Hello everyone,

I am looking for the measurements of the plunger tube of the crossbow. Primarily the length, outer diameter and the inner diameter. I would measure myself, but I do not own one.

My searches yielded no help.

If you have your crossbow open and a caliper handy, any help would be greatly appreciated.

Thanks!
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#2 BlackFox

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Posted 18 September 2008 - 12:19 AM

Primarily the length, outer diameter and the inner diameter.

You're going to have some trouble with the ID; it slopes inwards making it smaller towards the barrel.

Length: 7" end to end, about 6-1/2" of plunger travel
OD: 1-5/16"
ID: 1-1/4" at the opening. It slopes inward like I said.

I'm assuming you're going to homemake it, so the inner sloping probably won't matter.

Edited by BlackFox, 18 September 2008 - 12:21 AM.

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#3 shoeshine5

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Posted 18 September 2008 - 12:28 AM

Thank you so much for your quick response, BlackFox

You are correct, I am trying to gather this info for a homemade. My goal is to make a bare-bones gun of similar performance that requires less tools and cutting than the +bow. Consider it a poor mans +bow.
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#4 BlackFox

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Posted 18 September 2008 - 12:43 AM

A worthy cause. Rork made his awesome snapbow, but granted, it is a little complicated (not to speak for your if you're reading this!). It would be awesome if you could seriously have a simple homemade xbow.

The spring will have to be custom ordered via McMaster, most likely. I have never found a suitable Crossbow spring in stores.

Good luck!
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"Until we meet in the place where there is no darkness"
-George Orwell, 1984
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Think that piece is beyond repair? Think again!


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