air compressors; advantage of twin tanks...?
Broadly there seem to be two types of larger portable
compressor: 7-9gallon twin tank wheelbarrow compressors, which sell
for about $650 new, and then 15-30 gallon single-tank compressors,
which with the same quality of motor and compressor head cost about
So, what's the advantage of two parallel tiny tanks, versus one
larger one? Ultimately it doesn't seem much lighter.