Purdue University engineers are helping the U.S. Coast Guard deal with a possible 10-fold increase in vibration that could result from installing a larger observation window in a search-and-rescue aircraft to improve visibility during missions.
Presently, the Lockheed Martin HC-130J Hercules search-and-rescue plane has a circular observation window that is about a foot in diameter, and the Coast Guard would like to install a window that is about 4 feet long by 3.5 feet wide.
"The potential disadvantage of making a change like this to an aircrafts fuselage is that it could increase the noise and vibration environment inside the aircraft to dangerous levels, making it difficult for the rescuers to complete their missions," said Douglas E. Adams, an associate professor of mechanical engineering at Purdue.
Emil Venere | EurekAlert!
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