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Posts I've Made
24 March 2013 - 07:33 PMYes. It's inversely proportional. Look up Boyle's Law.
13 February 2013 - 09:48 PMDoes "ballistic rated" mean they can stop a bullet without breaking?
QuoteProtector failure criteria will be based on any of the following:
• Piece fully detaches;
• Device fractures;
• Penetration of the rear surface;
• Lens not retained; or…
• For the high velocity test, if any piece of the device sticks to contact paste or if contact paste is on
the projectile or on the complete device.
High Mass and High Velocity Impact forces to be tested remain essentially the same as the prior
standard. The high mass pointed projectile is pointed and weighs 500 grams and is dropped from a height
of 50 inches. The high velocity test uses a steel ball .25 inches in diameter that is fired at 150 feet per
second at the lens in the test frame.
Taken from: https://www.uvexrx.c...in_Standard.pdf
09 February 2013 - 04:35 PMHeh
01 November 2012 - 06:08 PMOne was a well known aftermarket brand, I won't say which. One was an APEX barrel (taking these pics requires destroying the barrel of course). I have others I could post up too, but they're all similar.
Anodizing the aluminum creates this finish. If you look down the bore, they all look quite shiny and smooth, but they're not actually.</div>
01 November 2012 - 02:55 PMTo give some scale to the above pics, here's 1mm gradations on a ruler-
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