A 20-gallon air compressor is big enough to use with air ... There are tank and tool pressure gauges, a large regulator knob, and two standard 1/4-inch connectors for a 3/8-inch hose.

Check the PSI demanded by the tool and adjust the regulator to suit. STEP 4: Attach the hose and tool. The type of air compressor we are discussing usually has convenient quick-release fittings.

Many readers will be familiar with the Dyson Air Multiplier, an ingenious bladeless fan design in which a compressor pushes jets of air from the inside edge of a large ring. This fast-moving air ...