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Old 06-01-2013, 01:50 AM   #1 (permalink)
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Need some professional advice

I have a project I've been working one here.

cheap lower tube vanity cap for midblock/half block owners

The question as to how structuraly sound the IVG was post-mod was brought up; and I'm wondering if any of you guys could shed some light on that for me.

The back of the IVG is now .078" thick, and the main spring is soft enough to collapse with two fingers. Is there a chance that the back of this IVG could blow out from use? Possibly with a stronger spring?

Thanks in advance!
Daniel
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Old 06-01-2013, 05:20 PM   #2 (permalink)
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Mind anyone reading, I'm not looking to place liability on anyone. Just a fair warning for me would be necessary, if necessary. Suggestions on a safer thickness, some shared experience dealing with brass in a stress area, anything really.
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Old 06-01-2013, 09:01 PM   #3 (permalink)
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78 thou is plenty of material, even 50 thou would be more than acceptable... the springs pressure is all concentrated near the circumference of the face anyways. I've done the same on my Scopey sniper and it's probably about .050" thick wall left. And it's been used a looong time

PS, even if you could make it fail, it would never be dangerous, even on an autococker with recock pressure cranked up, and weighted spring-guide added to the back of the hammer to physically smack into the thin-walled IVG.

Last edited by ApoC_101; 06-01-2013 at 09:04 PM.
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Old 06-01-2013, 09:51 PM   #4 (permalink)
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Man, I can't thank you enough!!!

That's awesome to know. I was worried that the cap might now work out; I'm really liking the way it turned out visually.

Thanks again, ApoC 101!
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why do you think i drive so carefully?



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Old 06-01-2013, 09:55 PM   #5 (permalink)
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I like this
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Old 06-03-2013, 12:14 AM   #6 (permalink)
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Your not talking about something that gas and few hundred pounds of pressure. It,s just spring loaded and at the most depending on spring would have less then 50 pounds on it. Plus what's the worst that could happen it blows out. And if your playing while that happens your eyes are protected lol
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Old 06-03-2013, 12:29 AM   #7 (permalink)
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Your not talking about something that gas and few hundred pounds of pressure. It,s just spring loaded and at the most depending on spring would have less then 50 pounds on it. Plus what's the worst that could happen it blows out. And if your playing while that happens your eyes are protected lol


I guess that cap served two functions then.

I am primarily cautious that this might not bode well for others if they attempted to do the same. I don't want to see anyone get hurt, especially at the hands of an idea I put out there. I'd have been ten shades of "oh hell!!" if someone got yakked in the neck by a piece of brass.

-disclaimer-
If anyone does find someone else knocked out from a flying piece of brass; please remove said piece of brass from their forehead, pop paintball between your index finger and thumb, and rub paint over wound. Run like hell and seek assistance.
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Old 06-03-2013, 09:37 PM   #8 (permalink)
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The back cap should hold it if the ivg was to pop. And you would know if their was a problem before that gave. ANd on the pressure note. I just measured out the cocker springs i have here and the heaviest one seems to only be at around 25lbs compressed. Like i said before if we were dealing in the hundreds i would be concerned. But not the case here.
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