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X Rudder Submarines questions

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posted on Jan, 19 2008 @ 03:23 AM
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I don't understand why you insist this is Collins Class?
Why other country couldn't use X-rudder






[edit on 19-1-2008 by emile]




posted on Jan, 19 2008 @ 03:37 AM
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reply to post by emile
 


what? those pictures i posted straight from google searching for `collins class` under images.



posted on Jan, 20 2008 @ 02:54 AM
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What I needed you to make out what submarine those is not what a Collins calss looks like.



posted on Nov, 10 2017 @ 10:13 AM
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a reply to: orangetom1999

That's what I thought, but the new SSBN(X) "Columbia" class has one too



posted on Nov, 10 2017 @ 10:33 AM
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a reply to: Jandanagger

Hi jandanagger,

Orangetom hasnt posted on ats for a long time now.

However in regards to the x shaped rudders on the back of subs in a seperate thread and conversation he went on to explain further.

If you notice some subs have normal + shaped rudder but just forward of them youll see a pair of smaller rudders on 45 degree angles like the × shaped rudders.

This is done for further stability of the submarine when underwater. The × shaped rudders reduce a phenomenon called 'porpoise-ing' a up down undulation of the sub as it travels. So for those wishing to cut down on that they experiment with × rudders or some combination of.




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