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 Post subject: CO2 in cold weather
PostPosted: Thu Oct 06, 2016 4:34 am 
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Joined: Fri Jul 29, 2016 3:03 pm
Posts: 22
Location: Laurentian mountains, North of Montreal
I've started using a CO2 gun (Umarex Beretta Px4) only this summer. How late in the fall may I expect to be able to use it outside? Is power affected enough by cold weather to make it unusable in winter? (I'm in southern Qc).


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 Post subject: Re: CO2 in cold weather
PostPosted: Thu Oct 06, 2016 5:47 am 
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Joined: Sun Jan 09, 2011 8:07 am
Posts: 3320
Location: Central West River Nova Scotia
The problem with C02 is when fired it cools, the faster you fire, it cools faster. Even in summer, theres a limit before. power starts to drop. In winter, it cools much faster, but also does not have the warm air outside to help recover some heat in the metal surrounding the expansion areas, like the valve and barrel as it follows the pellet down the barrel, so it cools and stays cold. A pistol could be fired a few times from a warm house, or inside pocket, then put back to warm up. A rifle could also be fired a few times, but since you cant put it in your pocket, you would need to bring it inside. Also if youre out roaming around with a rifle, chances are you would not hit your quarry because the power would have dropped to an unpredictable level.
The temperature matters to. More cold, more power lost faster. It isn't that you cant shoot with C02 in winter, it,s more of a waste of time as power levels will make any accuracy useless after the first shot.

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 Post subject: Re: CO2 in cold weather
PostPosted: Tue Oct 11, 2016 1:59 pm 
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Joined: Sun Oct 02, 2005 10:27 pm
Posts: 275
Location: N43° x W79°
Well with co2 cold weather effects how many shots you will get. Especially in the winter. If you plan on shooting in the winter consider getting a hand warmer. Like those 'hot paws' hand warmers.

As mentioned already if a handgun then you could fit into a pocket or inside your jacket to warm up but for rifles the hand warmer method works as well. Just tape something like a thin foam sheet over it to help insulate the hand warmer from losing all the heat quickly.

Another idea if you happen to be handy with electronics or know someone that is, is maybe have some like 16-18guage wire inside your pistol grip of the gun that holds the co2 tube and wrap the wire around the co2 and hold in place with *bad word* tape and build a small wire heating element to warm the co2 tube.

You could also if you want to save battery have a small thermo regulator sensor circuit that will check how warm the co2 is and stop heating the co2 at your preset temp. Maybe run this off 4xAA. Just an idea.

Stay warm. I hear wibter is going to be fierce this year (at least what a guy at Lowe's told me in Toronto).


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