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Re: [Shop-talk] Natural Gas vs Propane Grills

To: shop-talk@autox.team.net
Subject: Re: [Shop-talk] Natural Gas vs Propane Grills
From: BJNoSHOV8 <bjshov8@tx.rr.com>
Date: Sat, 02 Apr 2011 20:16:41 -0500
Well a little bit no but mostly yes.  Everything from point A to point B 
can affect the flow.  In other words for every foot of the bigger tubing 
there is a certain amount of loss in pressure, for every foot of the 
smaller tubing there is a different amount of loss in pressure, probably 
a much bigger loss than the larger tubing, and then any fittings that 
are in the path will also have a certain amount of pressure loss that 
goes with them.  (If there are holes in the fittings that are smaller 
than the ID of the tubing, then it is obvious, but even if the holes 
aren't smaller there is still pressure loss due to irregular shapes, 
steps, etc. inside of the fittings.)

Consider all of these losses, and how much pressure is at the supply 
end, and that will determine how much flow makes it all the way 
through.  (Works the same way with electricity.)



> Thanks guys. That makes a lot of sense. Just to be sure we are all on the
> same page, I want to be sure you noticed that only the last 2 feet of the line
> is 1/4 inch.  The other 16 or so feet is 1/2 inch.  Does the last two feet
> limit all that came before it?  If so, that would certainly be an easy fix.
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