X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from vms173001pub.verizon.net ([206.46.173.1] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3552482 for flyrotary@lancaironline.net; Thu, 19 Mar 2009 09:08:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.1; envelope-from=expressben@verizon.net Received: from D15L1MG1 ([71.181.161.222]) by vms173001.mailsrvcs.net (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)) with ESMTPA id <0KGR004MK8H4KEJ4@vms173001.mailsrvcs.net> for flyrotary@lancaironline.net; Thu, 19 Mar 2009 08:07:53 -0500 (CDT) Message-id: From: "Ben Baltrusaitis" To: "Rotary motors in aircraft" Subject: Alternator (Off topic) Date: Thu, 19 Mar 2009 09:08:43 -0400 MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_0009_01C9A872.4DAA8A10" X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C9A872.4DAA8A10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Since it's quiet: When I was a kid a guy at the parts store demonstrated to my Dad that = when electrical power was needed, a generator put a load on the engine. = After that, my Dad was careful not to run lights, radio, heater fan, or = other non-essentials when he was trying to get good gas mileage. I have continued that tradition, however, I have seen it stated that = electrical draw on an alternator doesn't increase the mechanical load. When low on fuel will it help to turn off electrical components not = needed for flight? Is it true of an alternator; an electrical power demand doesn't cause an = increased mechanical load? Or, does keeping headlights on during the day decrease gas mileage? Thanks! Ben ------=_NextPart_000_0009_01C9A872.4DAA8A10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Since it's=20 quiet:
 
When I was a = kid a guy at=20 the parts store demonstrated to my Dad that when electrical power was = needed, a=20 generator put a load on the engine. After that, my Dad was careful not = to run=20 lights, radio, heater fan, or other non-essentials when he was trying to = get=20 good gas mileage.
 
I have = continued that=20 tradition, however, I have seen it stated that electrical draw on an = alternator=20 doesn't increase the mechanical load.
 
When low on = fuel will it=20 help to turn off electrical components not needed for = flight?
 
Is it true of = an=20 alternator; an electrical power demand doesn't cause an increased = mechanical=20 load?
 
Or, does = keeping headlights=20 on during the day decrease gas mileage?
 
Thanks!
Ben
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