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Date: Sun, 17 Feb 2013 14:16:22 -0500
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From: Charles Brown <browncc1@verizon.net>
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Subject: strobe light power draw
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Amigos,=20

My 24V strobe light systems draws 3-4 amps like Whelen says it should, =
but seems to do it cyclically, i.e., a 0-4 amp sine wave with period =
equal to the flash rate (about 3 sec).  Can anyone tell me if that is =
normal, or should it be a steady 3-4 amp draw?  (12V guys, same question =
only 12V Whelen strobes should pull around 7 amps)

< I ask because it's making prime alternator amps cycle up and down; bus =
voltage cycle up and down, only about 0.1V; but it may be related to the =
demise of two successive regulators for the backup alternator, which =
starts kicking in at 3-sec intervals, with loud "BONG" alerts from the =
Garmin.  You are invited to enjoy the mental spectacle of the Garmin =
BONGING me into insanity while I hurl epithets at the instrument panel =
as I alternately shut off ALT 1, then ALT 2, then both, trying to figure =
this out when I SHOULD be sitting back, smoking a stogie, and watching =
the Texas hill country scenery slide by. PS -- Alternator one regulator =
checks out good with good ground and power paths etc >

Charley=