JR_ said:

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LIL
Too much capacity can run a small compressor for too long.
Food for thought.

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Ehhhh...

A 10 foot section of 1" diameter pipe has a volume of 94 cubic inches, or about .4 gallons. So, if he used 100 feet (seems a lot for a shop) it would add about 4 gallons of storage capacity to a 50 gallon compressor. Filling up that extra volume once a session is going to be small potatoes compared to running an orbital sander, or a die grinder for a little while.

I'm with you on the brazing vs soldering issue though. The Copper Development Association has design data showing working pressures of 500 psi for up to 200 F with 95-5 solder on 1 inch joints, but even with the more conservative values in your table it's still way more than you'll ever encounter in a shop air system.

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