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Date: Sun, 07 Mar 2004 11:45:41 -0500
From: Finn Lassen <finnlassen@netzero.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Ideal Cooling System Plumbing (wasRe:[FlyRotary]Re:overflow
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Tracy Crook wrote:

> >   FIRST the pressure drops precipitously, and THEN the coolant level
> > starts to go down ... FINALLY the temps start to rise (provided the
> > temp sender is submerged in what water remains).
>  
> Just a brief comment on this part.  Coolant level sensors are of 
> almost no use in this application.  It is commonly assumed that the 
> temp gauge reads low as soon as the sensor is no longer submerged.  
> Not true.  It only drops after the coolant is all boiled away because 
> steam will heat the sensor.  If you haven't caught the problem long 
> before this, it's too late anyway. 
>  
> Tracy


Tracy, please expand on this: "Coolant level sensors are of almost no 
use in this application."

Finn