Compressed-air tank capacity

by B.B. Pelletier

Today is Friday, when I usually have some fun, but I already did that with the dime article on Tuesday. I’m going to remain serious and address a topic that causes a lot of confusion. I’m going to talk about compressed-air tank capacity and how it relates to airguns.

As this report unfolds, I think you’ll see why this subject is so confusing. Every time I instruct a new precharged pneumatic (PCP) airgun owner about compressed-air tanks, their eyes glaze over when we come to this part.

“How can this scuba tank hold 80 cubic-feet of air? It isn’t that big!” That’s not what 80-cubic feet means.

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