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Old 08-31-2006, 04:14 PM   #1 (permalink)
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Shooting hot from the factory

Has anyone else noticed how many guns come straight out of the box shooting way over 300, even when completely dailed out? Over the past two weeks as a referee, I've had to disassemble and cut down more than half a dozen blowback mainsprings for players. A great majority have been newly purchased Kingmans, and they very often are shooting 60-80 FPS over 300. Checking a gun's velocity takes a few seconds. Why can't manufacturers take responsibility for this instead of leaving things up to luck or a field ref who actually cares?
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Old 08-31-2006, 04:33 PM   #2 (permalink)
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Springs compress with repeated use. I think they use heavier springs to gaurantee that the gun can shoot at 300 fps out of the box and if you have to clip it, oh well. At least the gun is capable of shooting 300.
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Old 08-31-2006, 04:34 PM   #3 (permalink)
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Is it possible that as the gun gets used, that spring will compress, which will gradually lower velocity over time? Like a break-in period?

If that's the case, eventually the velocity adjuster would need to be adjusted in further than 'normal' to reach the same velocity...

Just a thought.


Edit: Wish the post showed time with seconds... Apparently I hesitated a moment too long...
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Old 08-31-2006, 04:52 PM   #4 (permalink)
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The idea behind having a velocity adjuster is to compensate for this decreasing spring tension, yes...but that's with extensive use. People shouldn't be playing at all with guns shooting around 380 fps from the box.
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Old 08-31-2006, 05:15 PM   #5 (permalink)
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Spyders get wonky around this time of the year.. I always find myself having to change springs or cut springs to get them shooting legal at the field I work at ( 250 its indoor ) and then theres the stranger dead of winter having to put heavier springs in them to get them to shoot 250 again
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Old 08-31-2006, 05:16 PM   #6 (permalink)
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Perhaps an attempt to make their guns appear "better" to the untrained eye?
A kid w/ a spyder shooting a little hot get's slightly better range......his buddy assumes that gun is better than his???
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Old 08-31-2006, 05:19 PM   #7 (permalink)
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I would guess it's because they're using co2. The warmer the temperature, the higher the pressure. Resulting in a higher velocity.
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Old 08-31-2006, 05:51 PM   #8 (permalink)
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There's no way they're going to pay some guy to sit there all day chronographing Spyders. Sure it only takes a few seconds to *check* the velocity, but what do you do if it's hot? Then you have to fix it, and that takes more time and more money. And do you re-check the guns after they arrive in the US after being in the hold of a cargo ship for days? Also, if the factory starts checking velocity, and then a kid gets hurt with a hot gun out of the box, then the lawyers will say that it happened because the kid had an expectation that the gun was shooting below 300fps out of the box. Better to just put a warning sticker on it or something and let the end user ... or the ref at the field ... deal with it.
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Old 08-31-2006, 06:04 PM   #9 (permalink)
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Safety should NEVER be sacrificed for money, PERIOD. They need to check the velocity at the factory, add a disclaimer if theres not allready one. I also dont agree with the whole "RVA" thing, yeah turning that screw effects velocity, but in reality its more of a dwell adjustment, personaly Id like to see all guns come with a Regulator, an RVA and a handfull of different valve springs for further tuning. The other thing is with the RVA backed all the way out, you should be at or just under 300fps, not over. Poor quality gear/ lack of values within the company are to blame.
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Old 08-31-2006, 06:50 PM   #10 (permalink)
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I think it has something to do with the planetary and lunar cycles, graviton fluctuations and overall kinetic synergy levels.

I could be wrong... but I don't think so.
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