Hi, I'm just building my router type milling machine and I'm just looking for possible solutions for later in the build.
Right now I'm thinking of coolant delivery, well more spray delivery and I have come across these air pumps on ebay
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http://www.ebay.co.uk/itm/2719635831...%3AMEBIDX%3AIT

And also these
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http://www.ebay.co.uk/itm/2519765240...%3AMEBIDX%3AIT

Now I know that the pump is rated for continuous use with 4200 litres an hour, just over a litre per second but I cant see what PSI it gives so I'm wondering if anyone has tried these together and if so do they work and If not do you have any cheap solutions of your own?

Cheers, Charlie