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Detail of the aft end of the film-cooling pipe and aft-most film-cooling manifold.

Even with the 25% water content in fuel and the regenerative cooling provided by the double-walled combustion chamber, combustion temperatures were high enough to cause burn-throughs. The engineers solved this by placing four rows of film cooling holes in the inner wall of the combustion chamber.

 
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Time picture taken Thu Oct 29 11:24:50 2009
Location picture taken Michigan Space Science Center
East Campus
Air Zoo
Portage, MI
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