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Anyone try the DangerWerx Valve?


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#1 akiraspeedstar

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Posted 20 August 2012 - 12:28 PM

Just wondering if anyone has tried installing the dangerwerx valve into their LM4. My magazine and propane were hot from driving to a CQB field and they didn't allow my gun due to it shooting 370-410fps. When I chronod it at room temperature it was only at 330-354. I'm guessing it was either due to one of our chronos being off (I use the Xcortech and they use a Madbull) and/or the fact that my magazine and propane were warm from the hour long drive to the arena.

Just wondering if anyone has installed the valve and what FPS reduction they experienced.

#2 R_King91303

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Posted 20 August 2012 - 04:11 PM

Stock you are getting it under 350fps???


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#3 akiraspeedstar

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Posted 20 August 2012 - 04:36 PM

Yeah but that's 70-75°, average is 340-354 though with that large drop in fps shot every now and.then. I'm thinking it might partially be there chrono as they mentioned every LM4 they've sold shot at 400+ fps.

#4 uscmCorps

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Posted 20 August 2012 - 04:49 PM

View Postakiraspeedstar, on 20 August 2012 - 12:28 PM, said:

(I use the Xcortech and they use a Madbull) and/or the fact that my magazine and propane were warm from the hour long drive to the arena.

That's a possible culprit right there. Madbull chronos are NOTORIOUS for giving inaccurate readings. When I see a Madbull chrono I am highly skeptical of the resulting data. The lemons of those units far out number the good units by a wide margin. Next time you go to a field, take your Xcortech with you and get a reading off that first before heading up to the site chrono. That way you can get a decent reading and shouldn't be surprised when you get up to the chrono station. If your mags are super heated and over pressurized, you *could* help it cool down by expelling the gas a few times by hand. The cooldown effect of doing that should return it to some level of normalcy and then when you get to the chrono station it'll be more consistent with what you'd have in the AO.

#5 akiraspeedstar

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Posted 21 August 2012 - 12:00 PM

Should've searched first, someone had already installed the valve and is firing at 320-330fps with. 20g.

#6 Spiggy

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Posted 21 August 2012 - 03:56 PM

the way a FV engine is laid out changes the way a valve works in the cylinder compared to a basic NS2 engine.

To my understanding the DW valve also was designed specifically for the MP7/9 and he doesn't guarantee any results




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