X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 10 Dec 2005 00:32:27 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d20.mx.aol.com ([205.188.139.136] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 869786 for lml@lancaironline.net; Fri, 09 Dec 2005 12:57:46 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.136; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d20.mx.aol.com (mail_out_v38_r6.3.) id q.20f.f5cb012 (1320) for ; Fri, 9 Dec 2005 12:56:51 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <20f.f5cb012.30cb1f63@aol.com> X-Original-Date: Fri, 9 Dec 2005 12:56:51 EST Subject: Re: [LML] Re: LNC2 Battery, LSE Backup Battery poser X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1134151011" X-Mailer: 9.0 Security Edition for Windows sub 5300 X-Spam-Flag: NO -------------------------------1134151011 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/9/2005 11:37:44 A.M. Central Standard Time, glcasey@adelphia.net writes: Most of these "isolators" are actually two sets of diodes. One feeds one battery and the other feeds the second. The sense wire for the voltage regulator should then be taken to the battery side. Therefore both batteries see the same voltage drop and they will be charged equally. It is not a particularly elegant solution since there is a constant voltage drop in the system, dissipating significant power - hence the large heat sink. It works, though. Gary, Right - And before you get such a part, compare the Diode characteristics with that available from _http://www.periheliondesign.com/_ (http://www.periheliondesign.com/) Just as an intellectual exercise, of course. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Merry Christmas to all! -------------------------------1134151011 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 12/9/2005 11:37:44 A.M. Central Standard Time,=20 glcasey@adelphia.net writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Most of=20 these "isolators" are actually two sets of diodes. One feeds =20
one battery and the other feeds the second. The sense wire for=20 the
voltage regulator should then be taken to the battery=20 side.
Therefore both batteries see the same voltage drop a= nd=20 they will be
charged equally. It is not a particularly ele= gant=20 solution since
there is a constant voltage drop in the system,=20 dissipating
significant power - hence the large heat sink. = It=20 works, though.

Gary,

Right - And before you get such a part, compare the Diode characteristi= cs=20 with that available from

http://www.periheliondesign.com/

Just as an intellectual exercise, of course.=20

Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

Mer= ry=20 Christmas to all!

-------------------------------1134151011--