[TowerTalk] Generator Sizing

[JC Smith]

JEEZ WARREN!!!  Haven't you ever heard of Global Warming?  You're going to
end up in an Al Gore movie if you aren't careful.

73 - JC, K0HPS


-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com]On Behalf Of WarrenWolff at aol.com
Sent: Sunday, July 09, 2006 8:30 AM
To: towertalk at contesting.com
Subject: [TowerTalk] Generator Sizing



Greetings:

I am no expert in power generators.  BUT, I do know that  there is a BIG
consideration in sizing generators that could come into  play.  Buying extra
large
units could cost you big bucks in maintenance  costs.

With something in the order of 15-20 or more KW, you run  serious danger of
damaging the unit if it is not being used at something like  65% of rated
output.  I cannot recall, but I think the rings, valves, etc.  do not fair
well
when running  a low percentage of capacity.  We  installed 25+ KW units in
Kuwait
at customer's insistence and despite strong  warnings from the supplier
(ONAN?).  Accordingly,
we installed large load banks to heat up the Kuwait air to  keep units at a
decent percentage of ratings.

Regards,  Warren;  W7WY


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