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@furious_tiles
And this is the photo thread for fuck sake, not another Ed is the supreme cyclist with indisputable knowledge thread!
http://24.media.tumblr.com/tumblr_m8bylzsJo51qke845o1_1280.jpg
There are three wind tunnels in this PWT facility. They use two closed-circuit wind tunnels (one to simulate transonic speeds and the other supersonic), with 16-foot-square test sections, are also used for conventional aerodynamic tests. Air that has been pushed through the section seen has passed through progressively narrowing tunnel sections and 90-degree turns that lead to the test section.
The facility is devoted to aerodynamic and propulsion integration testing of large-scale aircraft models. Some of the most powerful electric motors ever built are located in the PWT facility.
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