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Message-ID: <1c23473f0708052248j41373492j219a302684afc177@mail.gmail.com>
Date: Sun, 5 Aug 2007 22:48:52 -0700
From: "David Leonard" <wdleonard@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Alternator drawing current at rest.
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Yep, that was the problem.  I had it wired so that the field windings were
active whenever there was power to the system.  I did that to cut down on
audio noise, but have decided to bring the field lead back into the cabin so
I can control it.  Will add a filter and live with the remaining noise.

Dave Leonard


On 8/5/07, Al Gietzen <ALVentures@cox.net> wrote:
>
>  *Subject:* [FlyRotary] Alternator drawing current at rest.
>
>
>
> 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
>
> Sounds about right.  I measured the field winding draw at about 2.5 A,
> engine off.
>
>
>
> Al
>
>
>



-- 
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net

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<div>Yep, that was the problem.&nbsp; I had it wired so that the field windings were active whenever there was power to the system.&nbsp;&nbsp;I did that to cut down on audio noise, but have decided to bring the field lead back into the cabin so I can control it.&nbsp; Will add a filter and live with the remaining noise.
</div>
<div>&nbsp;</div>
<div>Dave Leonard<br><br>&nbsp;</div>
<div><span class="gmail_quote">On 8/5/07, <b class="gmail_sendername">Al Gietzen</b> &lt;<a href="mailto:ALVentures@cox.net">ALVentures@cox.net</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div lang="EN-US" vlink="blue" link="blue">
<div>
<p style="MARGIN-LEFT: 0.5in"><b><font face="Tahoma" size="2"><span style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Subject:</span></font></b><font face="Tahoma" size="2"><span style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
 [FlyRotary] Alternator drawing current at rest.</span></font></p><span class="q">
<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">&nbsp;</span></font></p>
<div>
<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">That current draw for the coils did seem high, so I checked further into it.&nbsp; Turns out it is the alternator drawing the 3 amps, not the coils.&nbsp; It gets warm to the touch.&nbsp; Is that normal?
</span></font></p></div>
<div>
<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">&nbsp;</span></font></p></div></span>
<div>
<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">Dave</span></font> Leonard</p>
<p><font face="Verdana" color="blue" size="2"><span style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">Sounds about right.&nbsp; I measured the field winding draw at about 2.5 A, engine off.</span></font></p>
<p><font face="Verdana" color="blue" size="2"><span style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">&nbsp;</span></font></p>
<p><font face="Verdana" color="blue" size="2"><span style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">Al</span></font></p>
<p style="MARGIN-LEFT: 0.5in"><font face="Times New Roman" size="3"><span style="FONT-SIZE: 12pt">&nbsp;</span></font></p></div></div></div></blockquote></div><br><br clear="all"><br>-- <br>David Leonard<br><br>Turbo Rotary RV-6 N4VY
<br><a href="http://N4VY.RotaryRoster.net">http://N4VY.RotaryRoster.net</a><br><a href="http://RotaryRoster.net">http://RotaryRoster.net</a> 

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