Mailing List flyrotary@lancaironline.net Message #38960
From: Charlie England <ceengland@bellsouth.net>
Subject: Re: [FlyRotary] Alternator drawing current at rest.
Date: Sun, 05 Aug 2007 18:57:14 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
David Leonard wrote:
That current draw for the coils did seem high, so I checked further into it.  Turns out it is the alternator drawing the 3 amps, not the coils.  It gets warm to the touch.  Is that normal?
 
Dave Leonard

The field winding uses power to create the magnetic field. If the alternator is active but not spinning, that sounds like a reasonable draw. IIRC, most fields are on 5A-7A circuit breakers.

Charlie
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