X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mfep1.connect.com.au ([210.8.231.131] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 943721 for flyrotary@lancaironline.net; Sat, 14 May 2005 09:14:58 -0400 Received-SPF: none receiver=logan.com; client-ip=210.8.231.131; envelope-from=ianb@ozzienet.net Received: from MAIN (unknown [203.129.130.173]) by mfep1.connect.com.au (Postfix) with SMTP id 26904BFBF for ; Sat, 14 May 2005 23:14:06 +1000 (EST) Message-ID: <025501c55886$d1714310$ad8281cb@MAIN> From: "Ian Beadle" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Hot Alternator??? Date: Sat, 14 May 2005 21:14:09 +0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0252_01C558C9.DE8BECB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0252_01C558C9.DE8BECB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Saturday, May 14, 2005 11:51 AM Subject: [FlyRotary] Re: Hot Alternator??? For those of you in the know, is it normal for an alternator to seep = current and get warm when the field coil is powered up? Is this = something I need to fix? If so, should I cancel my trip? I think it = has probably been going on for a long time but... Dave Leonard I've noticed the same thing Dave. I was surprised how warm it got, = but I knew it was flowing current, so I figured it was normal, and = didn't really investigate. In other words, have a good trip :-) Rusty Dave The field current is controlled by the regulator, which is usually = internal. The regulator will only allow field current if the armature is = spinning and bat. below about 14 volts. A small amount of current is = allowed at start up via the little red light to give initial voltage. In short get the regulator checked. Ian Beadle. -------------------------------------------------------------------------= ----- Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.11.6 - Release Date: 6/05/2005 ------=_NextPart_000_0252_01C558C9.DE8BECB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Saturday, May 14, 2005 = 11:51=20 AM
Subject: [FlyRotary] Re: Hot=20 Alternator???

For those of you in the know, is it normal for an = alternator=20 to seep current and get warm when the field coil is powered up?  = Is this=20 something I need to fix?  If so, should I cancel my trip?  I = think=20 it has probably been going on for a long time but...

Dave=20 Leonard

 
I've = noticed the same=20 thing Dave.  I was surprised how warm it got, but I knew it was = flowing=20 current, so I figured it was normal, and didn't really=20 investigate.   In other words, have a good trip=20 :-)
 
Rusty
 
Dave
The field current is controlled = by the=20 regulator, which is usually internal. The regulator will only allow = field=20 current if the armature is spinning and bat. below about 14 volts. A = small=20 amount of current is allowed at start up via the little red light to = give=20 initial voltage.
In short get the regulator=20 checked.
 
Ian Beadle.



Internal Virus Database is out-of-date.
Checked by AVG=20 Anti-Virus.
Version: 7.0.308 / Virus Database: 266.11.6 - Release = Date:=20 6/05/2005
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