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Air Gun Home Forum Index » Accessories » Co2 Temperature Gauge Goto page 1, 2, 3, 4  Next    View previous topic :: View next topic  Co2 Temperature Gauge   Posted: Fri Jan 06, 2012 2:49 pm Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND Now that winters here and I do love Co2 guns the only problem is low temperatures and it’s effect on Co2, I find out that I can shoot reasonably well down to 50 Deg F but below that things start to fall apart. So I bought a Sticky backed liquid crystal Temperature sticker, stuck it on the Co2 reservoir and it tells me the gas temperature, the gauge is fairly quick reacting so if it goes off the scale I have to wait for it to come back before shooting again. I find this cheap gauge which cost $3.00 an ideal piece of kit, because you have a good idea what the temperature outside is but not the Co2 which can be a lot lower. Al _________________   Posted: Fri Jan 06, 2012 3:05 pm SMP Silver Status Member Joined: 04 Feb 2011 Posts: 1183 Location: Just south of "Out There"- Land O Lakes Ontario Nice idea Al I like CO2 as well for the unbelievable amount of shooting I can do on a fill. How well do think it will work for us colonists over here in Canada?.....It was a balmy -21 on Wednesday T Shirt weather _________________ Sean   Posted: Fri Jan 06, 2012 3:54 pm Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND SMP wrote: Nice idea Al I like CO2 as well for the unbelievable amount of shooting I can do on a fill. How well do think it will work for us colonists over here in Canada?.....It was a balmy -21 on Wednesday T Shirt weather - 21 Ha-ha you have no chance, unless you can shoot using dry ice. Al _________________   Posted: Fri Jan 06, 2012 4:49 pm radar Silver Status Member Joined: 13 Nov 2011 Posts: 1138 Location: Des Moines, Iowa, USA Perfect! What a great, easy idea, Al! _________________ It's never too late to have a happy childhood.   Posted: Sat Jan 07, 2012 8:06 am Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND radar wrote: Perfect! What a great, easy idea, Al! Cheers! The temperature strips come with both Celsius and Fahrenheit so you can cut it down the middle and use it on two guns, I think they are sold for checking the temperature of beer in home brewing kits in the UK. So they have two good uses. Al _________________   Posted: Sat Jan 07, 2012 9:50 am Mar Veteran Member Joined: 21 Sep 2007 Posts: 428 Location: Victoria, BC Alstone wrote: radar wrote: Perfect! What a great, easy idea, Al! Cheers! The temperature strips come with both Celsius and Fahrenheit so you can cut it down the middle and use it on two guns, I think they are sold for checking the temperature of beer in home brewing kits in the UK. So they have two good uses. Al Hmmm beer. They have those for propane tanks also. It's been plus 6,7,9 Celcuis here on the island.   Posted: Sat Jan 07, 2012 10:24 am AirGunEric Site Admin Joined: 20 Jan 2007 Posts: 6930 Location: "Out There" Don't let Al fool you- now he won't be able to tell if the guppies in his fish tank are too warm or too cold. _________________ ` I'd say "I care." But I'd be lying. Canadian Airgun Supplier: http://www.scopesandammo.com/storefront   Posted: Sat Jan 07, 2012 12:01 pm Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND AirGunEric wrote: Don't let Al fool you- now he won't be able to tell if the guppies in his fish tank are too warm or too cold. On the top: To warm. In the middle: Ok On the bottom: Dead Easy Peasy! Al _________________ UPDATE   Posted: Tue Jan 17, 2012 6:02 pm Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND The temperature strip worked well but a bit slow, so I ordered a Digital display the idea was to let it into the stock and strap a sensor to the Co2 tube, the first display I got on EBay for $2.00 the black one, but this also did not change temp display fast enough, about 5 minutes to drop 2* C. So I bought a quality display (Silver) this is very fast, accurate and small, the only problem was the price $45.00, still if it doesn’t work I have another use for it. All I need to do now is cobble it all together and fit it in the stock. Al _________________   Posted: Tue Jan 17, 2012 7:52 pm SMP Silver Status Member Joined: 04 Feb 2011 Posts: 1183 Location: Just south of "Out There"- Land O Lakes Ontario Where is it going to go Al? Under the forearm? _________________ Sean   Posted: Tue Jan 17, 2012 10:07 pm AirGunEric Site Admin Joined: 20 Jan 2007 Posts: 6930 Location: "Out There" If it will work, inlaying in the stock would be pretty neat. You have enough "meat" in the stock to not lose any measurable amount of strength/stability? _________________ ` I'd say "I care." But I'd be lying. Canadian Airgun Supplier: http://www.scopesandammo.com/storefront   Posted: Tue Jan 17, 2012 10:37 pm radar Silver Status Member Joined: 13 Nov 2011 Posts: 1138 Location: Des Moines, Iowa, USA If you want fastest, you could always still go directly to a pressure gauge. Prolly a pain to connect though, huh? _________________ It's never too late to have a happy childhood.   Posted: Wed Jan 18, 2012 4:52 am Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND AirGunEric wrote: If it will work, inlaying in the stock would be pretty neat. You have enough "meat" in the stock to not lose any measurable amount of strength/stability? The meter is mounted by a 6mm stud that the wires also pass through, it only stands 3/16" proud, so it should look a neat job. Radar Pressure gauges don't work very well with Co2 as the pressure is always around 850 psi depending upon temperature, but a temperature gauge can tell you alot more information and give you some idea if your power is dropping or going up. Al _________________   Posted: Wed Jan 18, 2012 4:56 am Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND SMP wrote: Where is it going to go Al? Under the forearm? On the left hand side just above the hand grip hopefully. Al _________________   Posted: Wed Jan 18, 2012 11:49 am rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC A pressure gauge would work OK, but the resolution required is a PITA.... CO2 is 652 psi @ 50*F, 747 psi @ 60*F, 853 psi @ 70*F, 969 psi @ 80*F, and over 1100 psi @ 90*F.... so you would need a gauge that is easily read to within 50 psi.... How about using a digital pressure sensor and a microprocessor that you can program to display the velocity at different pressures.... Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count! 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