X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc11.worldnet.att.net ([204.127.131.115] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 914535 for flyrotary@lancaironline.net; Thu, 05 Jan 2006 18:11:02 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.115; envelope-from=keltro@att.net Received: from 204.127.135.29 ([204.127.135.29]) by worldnet.att.net (mtiwmhc11) with SMTP id <2006010523055811100n965ke>; Thu, 5 Jan 2006 23:06:03 +0000 Received: from [64.136.27.229] by 204.127.135.29; Thu, 05 Jan 2006 23:05:57 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Dodge vs Ford Date: Thu, 05 Jan 2006 23:05:57 +0000 Message-Id: <010520062305.29397.43BDA65400011A51000072D52160375964019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Nov 10 2005) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_29397_1136502357_0" --NextPart_Webmail_9m3u9jl4l_29397_1136502357_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Ken, The attached link should explain what the ratio is in the Dodge truck overdrive application !! http://auto.howstuffworks.com/automatic-transmission3.htm -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from Ken Welter : -------------- Ok I was wrong on that one, on the trucks the sun gear is held solid to the case, the power is put into the planet and the power is taken off the ring gear, now what the hell ratio that works out to be I don't know as I am confused. I would like to add that in the truck the planet is held solid to the case, the power in is put into the sun gear and the power out is taken from the ring gear so the ratio comes out to 2.21 rather than 3.21 as I am using it. The Dodge overdrive is is a 3.21 and it comes from a 518 and 618 transmission, is that the gear use you were asking about ?? Ken I am not familiar with the Dodge transmission but an overdrive gear with a ratio of 3.17 : 1 is astounding! Every other OD gear I've come across has a ratio something like .707 to 1. Are you sure about that gear's use? I'm always up for learning a new wrinkle. Tracy --NextPart_Webmail_9m3u9jl4l_29397_1136502357_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Ken,
  The attached link should explain what the ratio is in the Dodge
truck overdrive application !!
 
  http://auto.howstuffworks.com/automatic-transmission3.htm
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2




-------------- Original message from Ken Welter <rotary.coot@verizon.net>: --------------

  Ok I was wrong on that one, on the trucks the sun gear is held solid to the case, the power is put into the planet and the power is taken off the ring gear, now what the hell ratio that works out to be I don't know as I am confused.



   I would like to add that in the truck the planet is held solid to the case, the power in is put into the sun gear and the power out is taken from the ring gear so the ratio comes out to 2.21 rather than 3.21 as I am using it.



   The Dodge overdrive is is a 3.21 and it comes from a 518 and 618 transmission, is that the gear use you were asking about ??
 
  Ken




 
I am not familiar with the Dodge transmission but an overdrive gear with a ratio of 3.17 : 1 is astounding!  Every other OD gear I've come across has a ratio something like .707 to 1.   Are you sure about that gear's use?  I'm always up for learning a new wrinkle.
 
Tracy

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