Mailing List flyrotary@lancaironline.net Message #28968
From: Ken Welter <rotary.coot@verizon.net>
Subject: [FlyRotary] Re: Dodge vs Ford
Date: Thu, 05 Jan 2006 11:42:57 -0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
[FlyRotary] Re: Dodge vs Ford
  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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