Mailing List flyrotary@lancaironline.net Message #9778
From: <banana@atlantic.net>
Subject: Re: [FlyRotary] Re: New Scoop
Date: Thu, 15 Jul 2004 16:16:20 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Al,
I don't know exactly how to phrase this question but I'll take a stab at it.
When you decided to place the heat exchangers in the wings how did you estimate
the effect(if any) due to impact on the designed airfoil(s)? I think this is a
great place for them in the canard designs. I am thinking about the spaces in
the rear of the strakes for mine.
Dean Head
Cozy MK4
BKV FL


Quoting Al Gietzen <ALVentures@cox.net>:

> Subject: [FlyRotary] Re: New Scoop
>
>  
>
> Al,
>         Do you have any photos of your oil cooler install showing the
> airflow path?
>
> Joe Berki
> Limo EZ
>
>
>
> My oil cooler is in the wing root.  The intake is on the bottom just behind
> the spar, and the exit is out the top further back.  It matches a coolant
> rad in the other wing.
>
> The first pic show the oil cooler.  The second is the inlet "scoop"  - not
> really a scoop, just an airfoil lip that extends down into the air flow
> about 1/2".  The third pic shows the rough ducting (early version of exit
> fairing) for the coolant rad; the oil cooler is similar, and the fourth pic
> shows the exit fairing. The flow through this cooler (and the wing root rad)
> is enhanced by the normal pressure difference between the bottom and top of
> the wing.  At this position of the wing the difference should be higher at
> higher angle of attack.
>
>  
>
> Al
>
>




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