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4' .357 cal. 2' .50 cal, 3' .50 cal, 4' .50 cal carbon fiber, 5' .625 cal 2 piece, 5' .625 cal
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Discussion Starter · #1 ·
So I’ve been working on improving my lung capacity, and even went so far as to quit smoking and vaping, all for the sport of blowgunning. I just wanted to share a couple of tools I picked up recently to not only assist with this, but also to help me get analytics for experiments later on. The first tool is an incentive spirometer, which measures your lung capacity as you inhale. The second is a peak flow meter, which measures the flow rate of air you can exhale from your lungs.

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