RT valve heat; normal?

[OrangeDude]

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.

[Zo]

on the AGD page it says that with HPA it will warm up due the the molicules moving faster in the compressed air.

[OrangeDude]

Hey Zo,
Can you give me the exact link to that page.
thanks!

[Zo]

This is it:http://www.airgun.com/rtchrono.html
its for the rt gun but should be the same for the retro valve.

[MikeCouves]

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!

[Zo]

its the movement of the molecules that warms up the tank

[Army]

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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EIB

[FeelTheRT]

Mike and Zoe: nope, just put it this way ... it heats up when it gets compressed quickly, and gets cool if uncompresses quickly.

[DarkPhoenix]

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]

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.


------------------
Minimag
Double Trigger
ANS Shark Gill
14" SP All American
16" Custom Products
20 oz. (Flatline 68 for Christmas!)

Come back here!

[DarkPhoenix]

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