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Date: Fri, 04 Mar 2005 09:36:49 -0500
From: Ernest Christley <echristl@cisco.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: EWP Test Results/DRAG
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Tracy Crook wrote:

> Ernest,
> I had no idea that water viscosity changed that much with 
> temperature.  Is the same true of 50 - 50 glycol & water?
>  
> Tracy


It appears that just about all liquid follow an inverse log function.

Andrade Viscosity Correlation:  ln(u,cps) = 5338/(T(K))-12.63 (Valid 
between -10C to 50C)

http://www.lyondell.com/html/products/techlit/2570.pdf
 http://hypertextbook.com/physics/matter/viscosity/

Ernest (Google is my friend)