Terry spied a message from Elvis Hargrove to Russ Williams
on 05-1196  08:42 about HOT WATER HEATER ??
Hello Elvis
 EH> Which you can do easily enough.  BTW, I just stumbled over some
 EH> interesting data about that.....
 EH> Natural gas has a specific gravity of around .8  (Remember air is 1)
 EH> Natural gas produces approx 950 t0 1150 BTU's per cubic foot.  It
 EH> requires about 10 to 1 air to fuel mixture for complete combustion.
 EH> Propane has a specific gravity of 1.5.  PRopane produces approx 2500
 EH> BTUs per cu ft. It requires well in excess of 20 to 1 air to fuel
 EH> mixture.
 EH> Butane has a specific gravity of 2.5 to 1.  It produces in excess of
 EH> 3400 BTUs per cu. ft. and requires at least 24 to 1 air to fuel mix.
Where does Methane produced from organic waste rate?  Are any of these
fuels interchangeable?  Have a good one. Take care
        Terry
... Grandchildren are a parent's revenge
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