REFLECTOR: The use of VG to aid cooling

[Ron N VelocityXLFG via Reflector]

Great Job ! . But now I ask the question how is it so many builders 
claim the small vg's help when your info so clearly says it does not. I 
have small vg's  in front of my nacas
and was sure they helped till now. :(   I have now put testing my naca 
intake back on the testing list. Oh well more fun things to experiment 
with :-) .

Great article so loaded with great info.


Ron



On 9/30/2014 8:48 AM, Matt Bucko via Reflector wrote:
> Well done David.
> Matt
>
>
> On 9/29/2014 5:09 PM, David Ullman via Reflector wrote:
>> My Velocity has always run hot.  I have fixed this with the use of 
>> Vortex Generators aiding the flow of air into the NACA ducts on top 
>> of the fuselage.  For a full report go to:
>>
>> https://davidullman.com/uploads/THE_USE_OF_VORTEX_GENERATORS_TO_ENHANCE_PUSHER_AIRCRAFT_COOLING.pdf 
>>
>>
>> Comments appreciated.
>>
>> To see recent photos of N444DX hangared in Independence Oregon, go to:
>>
>> https://davidullman.com/VelocityPhotos.php
>>
>> David Ullman
>> David at davidullman.com
>>
>>
>>
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