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kach22i · 09-29-2011, 07:36 AM

Earlier in this thread I mentioned a NASA fan blade which is vented, and blows air over certain areas to reduce sound (turbulence).

Here is the link:
Engineering and Fabrication Techniques for Low-Noise-Research Fan Blades

09-29-2011, 07:36 AM	#88 (permalink)
kach22i Master EcoModder Join Date: Jul 2011 Location: Ann Arbor, Michigan Posts: 4,158 Thanks: 120 Thanked 2,790 Times in 1,959 Posts	Earlier in this thread I mentioned a NASA fan blade which is vented, and blows air over certain areas to reduce sound (turbulence). Here is the link: Engineering and Fabrication Techniques for Low-Noise-Research Fan Blades __________________ George Architect, Artist and Designer of Objects 1977 Porsche 911s Targa 1998 Chevy S-10 Pick-Up truck 1989 Scat II HP Hovercraft Chin Spoiler: http://forums.pelicanparts.com/off-t...effective.html Rear Spoiler Pick Up Truck http://forums.pelicanparts.com/off-t...xperiment.html Roof Wing http://ecomodder.com/forum/showthrea...1-a-19525.html