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Sleeping Gear The Sleeping Gear forum is for the discussion of sleeping gear (bags, mats, quilts...).


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  #1  
Old 09-30-2006, 10:56 AM
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badfishgood badfishgood is offline
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Air mattresses and changes in temperature...

Is it possible that an extreme change in temperature could affect the "air volume" of an inflatable mattress pad?

There reason I ask...

Last week I was on a trip in the high Sierra (11k+) and experienced some extreme temperature changes. One night it was in the 30s and the next night is was below 10 degrees. I was camped in the same spot and didn't think to "top-off" my pad the second night. Upon waking up the second morning I found my pad t NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #2  
Old 09-30-2006, 11:17 AM
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hoosierdaddy hoosierdaddy is offline
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Probably just the fabric stretching somewhat after inflation or perhaps pinhole leaks. All three of NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #3  
Old 09-30-2006, 01:50 PM
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WildlifeNate WildlifeNate is offline
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Backpack: Osprey Atmos 50
Sleeping Gear: DIY down quilt
Shelter: ENO Doublenest Hammock, WB Bugnet, GG Tarp
 
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Location: Nacogdoches, TX
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(Pressure) x (Volume) = (number of molecules of gas) x (ideal gas constant) x (Temperature)
< NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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Old 09-30-2006, 03:52 PM
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Lonewolf22 Lonewolf22 is offline
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Wouldn't the air mattress be somewhat warm from your body heat during the night? If so then the matt NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #5  
Old 09-30-2006, 07:13 PM
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Dusty Boots Dusty Boots is offline
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Backpack: Depends on trip conditions. I have 4 to choose from. 2 Keltys, 1 Gregory, 1 MEC pack
Sleeping Gear: POE Max Thermo pad/MEC -3 Merlin
Shelter: TarpTent Double Rainbow
 
Join Date: Apr 2006
Location: Ontario, Canada
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It happens quite often with certain Brands

I know a few hikers that have had their BA mats go flat, or had a significant loss of air in cooler/ NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #6  
Old 09-30-2006, 10:07 PM
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WildlifeNate WildlifeNate is offline
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Backpack: Osprey Atmos 50
Sleeping Gear: DIY down quilt
Shelter: ENO Doublenest Hammock, WB Bugnet, GG Tarp
 
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Your body would warm the pad to some degree, but it's not going to be by a lot. That heat will be l NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #7  
Old 09-30-2006, 10:27 PM
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mn_backpacker mn_backpacker is offline
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You can observe this exact same temperature effect here in MN in the early part of winter. People's NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #8  
Old 10-01-2006, 10:02 AM
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badfishgood badfishgood is offline
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Quote NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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  #9  
Old 10-02-2006, 12:20 PM
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chicote chicote is offline
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Air Volume

I went out for a 1 night trip this weekend. Immediately when I arrived I went to set up camp. I afte NOTE: The remainder of this post can be read by logging in. For free PBF membership click here

Last edited by chicote : 10-02-2006 at 12:22 PM.
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  #10  
Old 10-11-2006, 05:05 AM
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jasonklass jasonklass is offline
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This happens to me all the time; especially when winter camping. I usually over-inflate my pad a li NOTE: The remainder of this post can be read by logging in. For free PBF membership click here
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