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The Hookah utilize a low pressure compressor and the scuba refill compressors are High pressure. Im actually thinking about doing some river and shallow ocean salvage work/hobby work… It will be like comparing aple and banana. Both situations apply to me… The filters deals with the vapour. It is also special oil to be used in the brating air compressors. To build a compressor is not cheaper then to buy one unless you know your way around cheap parts. I will build one if I have to… to suit my needs… I have LOTS of hydraulic and pneumatic rams laying around the factory… the compressor at the factory is a 6 cylinder pulford type industrial compressor with an air tank standing vertically about the height of 2 persons and about 3 foot in diameter J Ive built and maintained pneumatic to hydraulic amplifiers before… one machine there uses pneumatic rams for actuation with hydraulic rams and reservoirs filled with fluid and valves to control the movement speed of the pneumatic rams…. Also another machine uses 110 PSI air to put pressure on a reservoir filled with oil to do force multiplication! J If the suez canal can use water pressure to lift multi thousand ton ships… it can certainly be used to fill an air tank up J ill stop talking now because the idea of using that compressor tank as a psub just popped into my head J *wink* J On 17 March 2011 13:06, Stewart Gardiner <stew@terminalsolutions.biz> wrote: 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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