Any experience as to what size of PSI/CFM compressor would be needed to provide a chip blower to clear alu chips ? It's only a desktop machine, so not taking deep cuts in one go.

I'm thinking that the size of the nozzle will determine the pressure/size/reach of the jet, and hence the overall air loss, but don't own a compressor so don't know what say 20psi equates to in terms of an air jet.

Also thinking that a decent (50l ?) size reservoir will keep the duty cycle to a minimum ?

Last question - can you use a coolant output switch to control the compressor, so that a job left running will kill the compressor when the cutting has finished ?

Adrian.