Why so expensive?
cold air guns $$$
Apr 19, 2005
3 Replies
"Randy Replogle" wrote in news:qNY8e.18037 $Zn3.11026@trnddc02:
Precision venturi designs. Initial expense isn't the most expense though, compressed air is extremely expensive.
Make your own.
Anthony wrote in news:Xns963CD87183918acziparle3sp835@216.77.188.18:
Actually a Veturi sucks. Cold guns are "Hilsch" or vortex tubes.
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Not the easiest devices to make. There is some tuning required.
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