Hi guys, I’m fairly interested in SCUBA… as well as being VERY interested in subs… ive got a fairly good understanding of air compressor types etc… but does anyone here have any knowledge on the principal workings of a hookah or scuba tank filling type compressor? Its just something that ive never quite understood, and ive seen scuba refill compressors cost upwards of $2500AUD.. so I thought why not make one! J One of the pre-requisites is an oil-less lubrication system for the piston/vanes? Obviously oil vapour in the breathing air isn’t a good thing J Anything else anyone can put forward to further my knowledge?
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