Message-Id: <5.1.1.5.2.20040630071849.01743940@popserve.lerc.nasa.gov>
Date: Wed, 30 Jun 2004 07:20:24 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
From: Joseph M Berki <Joseph.M.Berki@grc.nasa.gov>
Subject: Re: [FlyRotary] Temps finally down
Cc: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
In-Reply-To: <list-231230@logan.com>
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Steve,
         Found the pics of the rad and oil cooler.  It would be neat to see 
the difference in the two scoops.

Joe Berki
Limo EZ

At 06:37 PM 6/29/2004 -0400, Steve Brooks wrote:
>I made my eight flight today, and I'm happy to report that my inlet scoop
>augmentation on the Cozy did the trick.
>I flew only about 1/2 hour because I had some other work that I wanted to do
>on it, but the temperatures ran at 190 coolant, and 200 oil.
>I climbed up a couple thousand feet, and instead of  throttling back and
>watching my temperatures come back down from 210/220, I wasn't quite up to a
>stabilized temperature yet.  That was a big change.  I pulled power back to
>what I had been running previously, and the temperatures stayed the same,
>maybe dropped a little.  I then throttled up to zero boost, and the
>temperatures held.  YEAH !!!!!  They used to climb up with the throttle.
>On the decent to landing, I thought that I would have to chip the ice off of
>the engine.  Coolant dropped almost off the gauge to about 140, and oil down
>to 160.  Actually when I touched down, they were even lower than that.
>
>Now that I know that I can cool it, I'm going to make another scoop,
>narrower on the sides, but a little taller (actually lower) to get a little
>further outside the boundary layer.  The next scoop will have a smaller
>inlet area compared to the current one.
>
>Steve Brooks
>Cozy MKIV N75CZ
>Turbo Rotary
>
>
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html