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Re: My last word on needle valves



At 03:48 PM 1/19/01 -0500, Chuck Gadd asks:
>Or was Dave running the
>regulator output at a higher pressure with the needle-valve?

Yes, I was running my regulator flat out into the needle valve.  Unless 
there is quite a pressure drop across the valve, the flow will not go sonic 
and the valve will not restrict the flow as desired.


--
Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
NEW Planted Aquaria Magazine:        http://www.wcf.com/pam
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