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What pneumatic sets use a compressor cranking pump to provide air power? S@H sells a Technic Service 5117 Compressor Pump consisting of 7 pieces, ie, a small cylinder pump and several pulleys. How well does this work? Ever use it with an electric (...) (25 years ago, 9-Jun-99, to lugnet.build)
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| | Re: Pneumatic Cranking Compressor Pump
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(...) The only set I recall that used a motorized compressor pump was the 8868, Airtech Claw Rig. (URL) used the original 9V motor and worked okay. There are some other designs on the Web by other folks. I don't know what limits the pressure. I (...) (25 years ago, 9-Jun-99, to lugnet.build)
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| | Re: Pneumatic Cranking Compressor Pump
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(...) there is a nice design of a two small cylinder pumps attached to one motor using gears. this is to Ralph Hemples design www.bmts.com/~rhempel and click on his lego related information. Very compact design work. here is a another link to (...) (25 years ago, 9-Jun-99, to lugnet.build)
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| | Re: Pneumatic Cranking Compressor Pump
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Oops noticed the link didnt work so here it is again For Ralph Hemples doulbe acting pnuematic pumps (URL) He also has a neat pressure switch design that looks like it would keep the system from over pressurizing Thanks Ralph! John (25 years ago, 10-Jun-99, to lugnet.build)
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