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Submarine New Mexico launched (photo)

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Submarine New Mexico launched (photo)

Postby U-5075 » Fri Jan 23, 2009 9:10 am

Submarine New Mexico launched

http://www.dailypress.com/business/dp-b ... 5104.story

Short article........
The photo is worth a look-see.
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Postby Robert » Fri Jan 23, 2009 10:14 pm

I wonder what the disk shaped bump under the nose is?
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Postby wlambing » Fri Jan 23, 2009 11:19 pm

It's a chin mount sonar array.

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Postby Robert » Sat Jan 24, 2009 12:59 am

Why is it underneath? I never really thought about it, but I figured sonar would be 360... Is it for following terrain, i.e. look down?
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Postby bharris » Sat Jan 24, 2009 12:42 pm

It is underneath because it is quiter down there and that's where the action is and they did not want the "bump" on top.
It is not for following terrain, it does some have depression capability.
The "disk shaped bump" is there because you cannot put 10lbs of s#*t in a 9lb bag. The Virginia class has the same sonar arrays squeezed into the bow as the Seawolf class has but due to the fact the seawolf is larger in diameter it just won't fit.
The arrays shown in the picture from the Seneca Lake acoustic test facility point out the problem. The arrays are the passive conformal, passive spherical and the truncated/hemispherical active array on the bottom.
Any explanation passed this point comes under the class of NONE-YA
Hope this clears up all the guessing I often see on the "bump".
Bob.
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Postby raalst » Sun Jan 25, 2009 5:59 am

what do you mean with
Any explanation passed this point comes under the class of NONE-YA


Nice picture of the bow btw.
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Ronald van Aalst

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Postby Boss subfixer » Sun Jan 25, 2009 6:04 am

Ron,
He means as far as the U.S. government is concerned it's "NON-YA BUSINESS" or classified.
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