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Old 07-20-2015, 08:04 PM   #6 (permalink)
freebeard
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Quote:
Originally Posted by Sven7
Water is incompressible, and therefore might give you misleading results.
vs

Quote:
Originally Posted by aerohead
As to compressibility,air is considered an incompressible fluid below about 250-mph,as a vehicle would be entering transonic flow in ground-effect.
http://ecomodder.com/forum/showthread.php/beetle-inspired-aerodynamic-thoughts-14070-5.html#post188768
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