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Subject: Re: [FlyRotary] water pressure
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In a message dated 12/16/2002 7:53:36 PM Central Standard Time, 
cowcam@pipcom.com writes:

> ubj:   [FlyRotary] water pressure
>  Date:    12/16/2002 7:53:36 PM Central Standard Time
>  From:    cowcam@pipcom.com (Peter Cowan)
>  Sender:  flyrotary@lancaironline.net (Rotary motors in aircraft)
>  Reply-to:    <A HREF="mailto:flyrotary@lancaironline.net">
flyrotary@lancaironline.net</A> (Rotary motors in aircraft)
>  To:  flyrotary@lancaironline.net (Rotary motors in aircraft)
>  
>  Today I'm seeing some different characteristics in the water pressure 
> readings. Used to be that after cooling down I could see 4 or 5 lbs 
pressure 
> for many days and I don't think increasing pressure after start up was tied 
> to rpm. Now pressure drops instantly on shutdown and is closely tied to rpm 
> to max of 15lbs as the engine is reved up. This looks bad to me although 
> temps in flight are fine. What do you think?
>  Peter
>  
------------------------------------
Peter,
Where is your pressure guage in relation to pump inlet/outlet?  The pressure 
that the pump puts out goes up at about the square of the rpm.

How is your overflow bottle rigged? Do you have a thermostat?

Bill Schertz
KIS Cruiser #4045