Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 745254 for flyrotary@lancaironline.net; Fri, 18 Feb 2005 20:47:27 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050219014641.FHMR1977.imf20aec.mail.bellsouth.net@rd> for ; Fri, 18 Feb 2005 20:46:41 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: 2nd battery Re: Amps required to run engine & amp- hours available Date: Fri, 18 Feb 2005 19:46:49 -0600 Message-ID: <01da01c51624$e08fc780$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01DB_01C515F2.95F55780" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_01DB_01C515F2.95F55780 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable If the 2nd alt. is big enough to carry essential loads, it can be lighter than even the 12 lb battery & your endurance isn't battery = limited. A lot tougher to install, though. I feel pretty safe with one Odyssey battery, and one alternator. I've = used the current battery for about 2 years, and already have the new one = sitting at the hanger. I think that will be my threshold of pain for = replacement of these things. =20 As for the alternator, I thought real hard about installing a second = one, particularly since they only have that single pulley, and the rest of = the engine has dual pulleys. I finally gave up on the idea, because I just didn't think it was that big of a risk. Tracy's EM-2 is hooked to a = "Jumbo Super Bright LED", which is aimed at my face. This thing will burn your retinas, so there's absolutely no way to not see it (before it blinds = you). Since the alternator only weighs a few pounds, I thought about packing a spare in the essential travel tools and supplies. It is pretty easy to change with just a few tools. =20 Cheers, Rusty (100% vapor lock free) ------=_NextPart_000_01DB_01C515F2.95F55780 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

If the 2nd alt. is big enough to carry essential = loads, it can=20 be
lighter than even the 12 lb battery & your endurance isn't = battery=20 limited.

A lot tougher to install, though.

I feel = pretty safe with=20 one Odyssey battery, and one alternator.  I've used the current = battery for=20 about 2 years, and already have the new one sitting at the hanger.  = I think=20 that will be my threshold of pain for replacement of these things.  =

As for the = alternator, I=20 thought real hard about installing a second one, particularly since they = only=20 have that single pulley, and the rest of the engine has dual = pulleys.  I=20 finally gave up on the idea, because I just didn't think it was that big = of a=20 risk.  Tracy's EM-2 is hooked to a "Jumbo Super Bright LED", which = is aimed=20 at my face.  This thing will burn your retinas, so there's = absolutely no=20 way to not see it (before it blinds you).   Since the = alternator only=20 weighs a few pounds, I thought about packing a spare in the essential = travel=20 tools and supplies.  It is pretty easy to change with just a few=20 tools. 

Cheers,
Rusty = (100% vapor lock=20 free)


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