View Full Version : RT valve heat; normal?
OrangeDude
08-29-2001, 04:02 PM
Hi guys,
Recently I got a cool mag from this guy named Rob and it heats up a lot when I'm shooting. Is that normal? Its a minimag with a z-grip and a RT valve. I dry shot it yesturday and I noticed that the rt valve was hot to the touch. I didn't think a few shots would make so much heat. I didn't put oil in it yet. You guys got any suggestions?
thanks.
on the AGD page it says that with HPA it will warm up due the the molicules moving faster in the compressed air.
OrangeDude
08-29-2001, 04:49 PM
Hey Zo,
Can you give me the exact link to that page.
thanks!
This is it:http://www.airgun.com/rtchrono.html
its for the rt gun but should be the same for the retro valve.
MikeCouves
08-29-2001, 04:57 PM
Hey. I think that's normal. When you fill up your nitro tank...for about a couple minutes after the tank air inside will be warm due to friction(I dunno, it's weird). That may cylce through the marker and warm up the valve. I need someone that really knows what is going on to back me up.
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Minimag
Double Trigger
ANS Shark Gill
14" SP All American
16" Custom Products
20 oz. (Flatline 68 for Christmas!)
Come back here! http://www.contrabandent.com/pez1/games/mm/mmxa/anim-zerodash.gif
its the movement of the molecules that warms up the tank
Nothing to it but friction from fast moving, high pressure air trying to get around corners. It's the same phenomena as a meteorite burning up in the atmosphere.
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http://www.mpz.co.uk/cwm/contrib/blackeye/linkcoolMIR.gif EIB
FeelTheRT
08-29-2001, 05:32 PM
Mike and Zoe: nope, just put it this way ... it heats up when it gets compressed quickly, and gets cool if uncompresses quickly.
DarkPhoenix
08-29-2001, 06:41 PM
As air is compressed, it heats up. As it cools, air expands. That is why when fields do what I term as "quick fills" of a HPA/N2 bottle, the bottle heats up rapidly. If they fill it to 3000 psi on a quick fill, wait for the bottle to cool down, you will then notice that the bottle pressure has went from 3000psi to around 2500psi. I prefer doing a staggered fill on a HPA bottle, it may take a little more time but you get more air into the bottle.
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RT Pro P/F
w/ AGD Flatline
MikeCouves
08-29-2001, 08:11 PM
Well we are arguing about the tank. Not his valve. Would that make the valve warm too? Hot even? Because it only takes about a minute or so for the tank to cool off when my friend fills it.
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Minimag
Double Trigger
ANS Shark Gill
14" SP All American
16" Custom Products
20 oz. (Flatline 68 for Christmas!)
Come back here! http://www.contrabandent.com/pez1/games/mm/mmxa/anim-zerodash.gif
DarkPhoenix
08-29-2001, 08:31 PM
Sorry about that. The valve becomes hot during strings of rapid fire because since the RT valve is also a regulator, it recieves the air under pressure, thus the air has no chance to cool down or expand. There are no low pressure chambers on a Automag, not only would this allow the compressed air to cool but it would also present a larger volume of air, but I must digress.
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RT Pro P/F
w/ AGD Flatline
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