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Old 06-13-2008, 05:51 PM #1
THE ZACHARIAS
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See thru

Search not avail, so here it is.

I've been looking into a clear halfblock body for a cocker pump, and a clear a/c threaded body + frame for a phantom for a while now. I've narrowed my options down to Lexan & Acrylic. I emailed a number of shops and got no reply, so does anyone have any first hand experience working with these materials?

If so, are they strong enough for this kind of application? What kind of lifespan would I be looking at for said body/frame (would gun oil degrade the sfc, are the materials susceptible to heat/moisture damage, etc etc)?
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Old 06-13-2008, 07:01 PM #2
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I crack lexan like no tomorrow, Not sure on acrylic.
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Old 06-13-2008, 08:11 PM #3
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lexan is so so.....its suppsed to be 250 times stronger than glass
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Old 06-13-2008, 08:15 PM #4
THE ZACHARIAS
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I was reading that acrylic has a higher tensile strength than lexan, but I dont know how that translates to containing air pressure.
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Old 06-14-2008, 01:32 AM #5
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Long story short - If I were to do a see through marker, it would still have aluminum inserts within the body to contain pressure and accept threading.
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Old 06-14-2008, 08:00 AM #6
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yep you would. look at the problem of the walmart pumps. they break easily because its all plastic design. at best you'd have to coat all the threading in aluminum and somehow reinforce the lexan... btw acrylic is better but i don't recommend
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Old 06-14-2008, 09:24 AM #7
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Quote:
Originally Posted by Spitlebug View Post
Long story short - If I were to do a see through marker, it would still have aluminum inserts within the body to contain pressure and accept threading.
.
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Old 06-14-2008, 11:16 AM #8
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I've used lexan insurts before to contain air, There ok if your working at fairly low pressures, I think 400psi is really as high as I would go. I would think that you would have multiple problems makeing an entire marker out of lexan or Acrylic and they deffinitly have a much shorter life span than AL.
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Old 06-14-2008, 01:57 PM #9
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How about you just do this.........

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Old 06-14-2008, 02:02 PM #10
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is that the acid cocker?

shes a beaut
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Old 06-14-2008, 02:09 PM #11
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Yup, you can find him at www.acidcustom.com (they make the best triggers btw; go to their photobucket gallery to see them).
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Old 06-15-2008, 01:54 AM #12
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i think delrin would be the coolest, but then you wont get the clear factor you are looking for.


i think lexan would work its pretty tough, just be sure they dont mill it then on the barrel end or hammer end where the screw threads are, i bet many milling shops could do this job for ya.
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Old 06-15-2008, 03:37 AM #13
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Quote:
Originally Posted by karnivor707 View Post
i think delrin would be the coolest, but then you wont get the clear factor you are looking for.


i think lexan would work its pretty tough, just be sure they dont mill it then on the barrel end or hammer end where the screw threads are, i bet many milling shops could do this job for ya.

All the delrin cockers made so far have been awful to so so at best. You know what's a good material for making a gun? Metal.
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Old 06-15-2008, 07:59 AM #14
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Aluminum Oxide. Use it.

This discussion has occurred... "a few" times before, and the intelligent consensus seems to lead to this material.
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Old 06-15-2008, 02:18 PM #15
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Like I posted above, go w/ windows, not Lexan or Acrylic.
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Old 06-15-2008, 04:01 PM #16
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Quote:
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Aluminum Oxide. Use it.

This discussion has occurred... "a few" times before, and the intelligent consensus seems to lead to this material.
Yeah it's also known as "Transparent Alumina" and comes either semi transparent or coloured such as sapphire.
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Old 06-15-2008, 04:53 PM #17
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Ok, got enough info to do some work on this. Much appreciated.
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Old 06-16-2008, 01:44 AM #18
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Yeah, just remember that a "Transparent Alumina" body will most likely cost you around $1,000 for the materials. So, if you bugger it up... *yegads*
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Old 06-16-2008, 03:31 AM #19
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i wouldnt think that the air pressure would be the main concern, but the threading
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Old 06-16-2008, 04:12 AM #20
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Its really easy to thread plastics (Plexy, polly, delrin, ect) How well they hold up is a different story all together.
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Old 06-16-2008, 05:41 AM #21
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I'm not sure you can really machine transparent alumina.
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