Message

Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2642568 for flyrotary@lancaironline.net; Sun, 19 Oct 2003 11:27:38 -0400 Received: from rad ([68.212.14.231]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031019152737.QPAZ1828.imf23aec.mail.bellsouth.net@rad> for ; Sun, 19 Oct 2003 11:27:37 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Alternator wires Date: Sun, 19 Oct 2003 10:27:39 -0500 Message-ID: <000001c39655$880aedb0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C3962B.9F34E5B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C3962B.9F34E5B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The shack has little indicator diodes that poke through a 1-4" hole in = the panel and "bolt" on. I use them for door latch indicators, belly board, etc. and I guess I could put one in for Alternator. They draw = microamps, so it's like there really isn't a circuit there at all How does an = alternator detect a tiny load like a LED and distinguish between it and an open circuit?=20 =20 Unfortunately, the alternator regulator is sort of a black box. If we = knew the exact circuit, we could probably figure out more about what will, = and won't work for a light. The safest approach is to emulate what Mazda = did, because they do know what's inside the alternator. =20 =20 As for burning up the alternator by not connecting wires, I imagine = there's some truth to that statement, for at least some alternators. It does = seem hard to believe that not connecting the IL circuit would cause a = problem, but again, we don't have any information about the actual circuit. =20 =20 BTW, will a ten or twelve foot 22awg wire excite an internally regulated = ND alternator? I have a two conductor sleeved run of 22 ga going from = panel to regulator. I'd like to split them and use one to excite the alternator = and the other for the idiot light. =20 =20 I don't really know how much current flows in the circuit, but my guess = is that it's very little. I'd be willing to bet your 22 ga wire will be = fine. I'll even back that with full money back guarantee for my services :-) =20 Rusty (I though Ed was Mr Alternator) =20 =20 ------=_NextPart_000_0001_01C3962B.9F34E5B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

The shack has little indicator diodes that poke through a 1-4" hole = in the=20 panel and "bolt" on. I use them for door latch indicators, belly = board,=20 etc. and I guess I could put one in for Alternator. They draw = microamps,=20 so it's like there really isn't a circuit there at all How = does an=20 alternator detect a tiny load like a LED and distinguish between it and = an open=20 circuit?

Unfortunately, the alternator regulator is sort of a = black=20 box. If we knew the exact circuit, we could probably figure = out more=20 about what will, and won't work for a light. The safest = approach is=20 to emulate what Mazda did, because they do know what's inside the=20 alternator.

As for=20 burning up the alternator by not connecting wires, I imagine = there's=20 some truth to that statement, for at least some alternators. It = does seem=20 hard to believe that not connecting the IL circuit would cause a = problem, but=20 again, we don't have any information about the actual=20 circuit.

BTW, will a ten or twelve foot 22awg wire excite an internally = regulated ND=20 alternator? I have a two conductor sleeved run of 22 ga going from = panel=20 to regulator. I'd like to split them and use one to excite the = alternator=20 and the other for the idiot light.

I don't=20 really know how much current flows in the circuit, but my guess is that = it's=20 very little. I'd be willing to bet your 22 ga wire will be=20 fine. I'll even back that with full money back guarantee for = my=20 services :-)

Rusty (I=20 though Ed was Mr Alternator)

= ------=_NextPart_000_0001_01C3962B.9F34E5B0--