> For instance, let's say I go to nationals and manage to break something
> reasonably major at the Pro... Will a nitrogen bottle run air impacts &
> ratchets & blow guns for say 3 hours of usage (obviously the 3 hours would
> be spread out over a few days...)?
Hmmm, typical impact uses maybe 4 cfm @ 7 atmospheres (90 psi gage), so 3
hours would be 3*60*4*7 = 5040 scf. A little web surfing turns up that a
common "type 49" nitrogen cylinder contains 304 scf. Even ignoring the
"tare" gas left in the cylinder when it's pressure drops to 90psi, you're
sure going to need a lot of them ...
Randall
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