X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 5.0c2) with ESMTP id 714913 for flyrotary@lancaironline.net; Wed, 07 Sep 2005 21:46:21 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=13brv3@bellsouth.net Received: from ibm57aec.bellsouth.net ([65.6.194.9]) by imf17aec.mail.bellsouth.net with ESMTP id <20050908014537.TPIQ17957.imf17aec.mail.bellsouth.net@ibm57aec.bellsouth.net> for ; Wed, 7 Sep 2005 21:45:37 -0400 Received: from rd ([65.6.194.9]) by ibm57aec.bellsouth.net with ESMTP id <20050908014537.CAUW15611.ibm57aec.bellsouth.net@rd> for ; Wed, 7 Sep 2005 21:45:37 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Overvoltage control Date: Wed, 7 Sep 2005 20:45:37 -0500 Message-ID: <000601c5b417$030e1830$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C5B3ED.1A381030" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C5B3ED.1A381030 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Does any one know of a simple inline overvoltage control that can be installed in the alternator power lead. I have an internal regulator, alternator and the overvoltage units at ACS are part of a voltage = regulator and quite pricey too. JohnD =20 John; =20 B&C Specialty Parts, http://www.bandcspecialty.com/ printable catalog, = page 8, part #OMV-14; $35. =20 Al =20 =20 =20 Thanks Al, I was looking for this, and couldn't find it to save my life. = =20 =20 BTW, if this is the same as the module I used on my RV-8, it works by tripping a breaker when the over voltage occurs. Normally, the breaker = is supplying field current to an alternator, which almost always means an external regulator. If you don't have a low current way to break the = field current, and need to break the high current line, then you have to used = this OV module to trip a breaker that's holding in a main contactor for your = high current "B" lead. If any of that was confusing, Ed can explain it :-) =20 Cheers,=20 Rusty=20 =20 =20 ------=_NextPart_000_0007_01C5B3ED.1A381030 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
Does any one know of a = simple inline=20 overvoltage control that can be installed in the alternator power = lead.  I=20 have an internal regulator, alternator and the overvoltage units at = ACS are=20 part of a voltage regulator and quite pricey too. =20 JohnD

 

John;

 

B&C = Specialty=20 Parts, http://www.bandcspecialty.com/=20 printable catalog, page 8, part #OMV-14; $35.

 

Al  

 

 

Thanks Al, I was=20 looking for this, and couldn't find it to save my life. =20

 

BTW, if this is=20 the same as the module I used on my RV-8, it works by tripping a breaker = when=20 the over voltage occurs.  Normally, the breaker is = supplying=20 field current to an alternator, which almost always means an external=20 regulator.  If you don't have a low current way to break the = field=20 current, and need to break the high current line, then you have to used = this OV=20 module to trip a breaker that's holding in a main contactor for=20 your high current "B" lead.  If any of that was confusing, Ed can explain it = :-)

 

Cheers,=20

Rusty=20

 

 

------=_NextPart_000_0007_01C5B3ED.1A381030--