Sender: <marv@lancaironline.net> (Marvin Kaye)
To: flyrotary
Date: Thu, 17 Oct 2002 22:15:18 -0400
Message-ID: <redirect-1831038@logan.com>
From: "Ed Anderson" <eanderson@carolina.rr.com>
References: <list-1830997@logan.com>
Subject: Re: [FlyRotary] Re: EWP adapter pics
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----- Original Message ----- 
From: "Neil A. Kruiswyk" <neilak@rogers.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, October 17, 2002 10:02 PM
Subject: [FlyRotary] Re: EWP adapter pics


> 
> Either Ed is asleep or I am.  The 5/8" recirc hole is in the water pump
> body.  Todd's super-looking adapter replaces the water pump body so the
> hole goes bye-bye.  Since the EWP is temperature regulated, why would
> you add a bypass hole?
> 
> Neil K.
> 
> ZZZZZZ
> 
> 
> 
> Ed wrote...
>   I do have a question.  If you recall -the stock Mazda water pump has a
> 5/8" dia hole for recirulating water through the engine while the
> thermostat
> is still closed.  Once the coolant heats up, the thermostat opens and
> also
> "plugs" this 5/8" hole.  Racing Beat (amongst others) state that if you
> do
> not use a thermostat and fail to plug this hole you can loss 20% of your
> cooling effectivness.  So the question is do you plug this hole or not?
> 
> Ed Anderson
> 
 
Duh! What can I say?  

Ed.