Tuesday, November 1, 2011

Marker durability testing

There some bullshit parade on PBN regarding the Zodiac ZR1 paintball gun and its supposed reliability.  I haven't checked back on that thread lately.  Probably just more of the same people acting like shills for paintball companies.

I don't have much of a problem with the gun or the company, I just think the main guy in the thread is a major cock smoker and is talking a bunch of unsubstantiated shit.

He did make some claim about the ZR1 being the most reliable marker by design.

Claims of this type are rarely properly substantiated (the Tippmann nut-huggers do the same), which got me thinking...  there should be some sort of standardized test setup to test reliability.

So the idea is to bench rest a gun with a hopper.  It needs a constant supply of air, so a high pressure compressor or a bunch of scuba tanks would be necessary.

If it's electro, then it needs a constant supply of electric power.

It needs a constant supply of "paint", or reballs if possible.  So I figure there will be a hopper on top of the gun, and then a paint catch with another forcefeed hopper which sends the paint right back up to the first hopper.

The last thing is the trickiest.  You need a way to count the shots.  For an electro, it would be easiest to just use the board's electronics, but I'm not sure how reliable that would be.  So I guess you'd have to use an optical break-beam, much like what's used on the chronographs.  The computer chronos might already have everything necessary.

Anyways, you rig up the entire setup and let the thing run until failure.  Note that this really means run to failure, not "run enough until you're convinced".  For this to have any real benefit, you have to run it untouched straight to failure and then inspect the failure.  Was it the detente?  Was it a bolt o-ring?  A broken sear?  What was the failure mode?  Did it stop firing?  Did it totally lose velocity control?  When did it occur?

Then you take every gun you can find and run it through the gauntlet.


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