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Discussion Starter #1
Any engineers want to try this one?
I need a small compressor, like the one pictured, to fill inflatable pipe plugs. The 4 gallon air compressor pictured here is spec'd to deliver 7 cfm @40 PSI and 5 cfm @ 90 PSI. How long will it take this compressor to fill an empty 170 gallon tank (22.6 cf) to 20 PSI? Thanks for any help.
 

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Educated guess based on 22.72 cu. ft. would be 4-1/2 to 5 min. Maybe I did break out the calculator. LOL
 

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Discussion Starter #4
grassy-ass for the help
 
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