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  #21  
Old 06-01-2011, 09:17 AM
Greg Arehart's Avatar
Greg Arehart Greg Arehart is offline
 
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Greg,

I think the following can answer some of the questions about the molecules.

http://www.getnitrogen.org/pdf/graham.pdf

Bottom line is that it has to do with the nature of the diatomic bond between two nitrogen atoms compared to a bond between two oxygen atoms.

CO2 is probably even better than either of these in terms of (less) leakage, as it should be larger than either O2 or N2.

greg
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  #22  
Old 06-02-2011, 12:13 PM
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gvouga gvouga is offline
 
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Thanks for the info Greg. I learned something new today.
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  #23  
Old 06-05-2011, 09:05 PM
DENMACRES DENMACRES is offline
 
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Location: MONTGOMERY, TX.
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Default air pump

motor cycle shops usually have a light wt. 12v pump.
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