Dean, in case you have not noticed, Cozy  strakes are flat on top. Not much
of an airfoil. I know people with VEZ's that use the same spot for oil
coolers without any aerodynamic problems. Don't wary about it. Jus build and
be happy :)
Bulent

On 7/15/04 4:16 PM, "banana@atlantic.net" <banana@atlantic.net> wrote:

> 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
>>
>>