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Unread 12-01-2015, 16:29
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Re: Number of Pneumatic Air Tanks

Quote:
Originally Posted by MrForbes View Post
This is the killer. Many compressor spec sheets list CFM at a few different pressures, and you'll see with small compressors like the ones we can use, the difference in flow between 0 PSI and 60 PSI is substantial. As is the difference between 60 PSI and 120 PSI.
Yeah, it's a huge difference. For the viair 90c for example (which I think is the one from FIRST Choice):
PSI CFM
0 0.88
10 0.71
20 0.67
30 0.64
40 0.60
50 0.57
60 0.53
70 0.48
80 0.45
90 0.43
100 0.39
110 0.36
120 0.34

Numbers pulled right off their website.
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