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From MegaZone <megazone@realsoon.wpi.edu>

In article <C1F6tJ.KHu@law7.DaytonOH.NCR.COM> demaine@ee.ualberta.ca (Cal Demaine) writes:
>1.  What is the shape of the tail/rudder on the 688 class and Ohio class
>boats?  I have a large number of pictures of these subs, and not a one
>shows either's rear end.  Is it a standard plus "+" configuration, or some
>hybrid "H" or "double H"?

It's like this....
                        
                          |
                       |-(*)-|
                          |

A standard cruciform tail with vertical endplates on the tips of the 
horizontal members.

>2.  What material is used for the sound-deadening coating of modern boats?
>I have heard that sorbathane was developed for exactly this purpose.  Is

Pass.

>3.  There are two large American Subbases with the same name - "Bangor".
>One is on the east coast and one is on the west coast.  Any reason for
>the duplicate name?  What is the history of these bases?

Bangor, Maine and Bangor, Washington... The cities were there before the
ports. I think it may be that the city is washington was named after the city
in Maine due to similar locations, purpose (port) etc....

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From Christopher J de Zorzi <cjd8@cunixb.cc.columbia.edu>


Cal, 

	If you want info on the Ohio class, get out a book named "Trident".  
(If you mail me, I'll look up the call # for ya)  It answers your questions, 
and they even show what the tail section looks like.  The book goes into how 
the 726's went from the drawing board to the boatyard to comission.  
Interesting stuff.  

From trb@cbosgd.att.com

In article <C1F6tJ.KHu@law7.DaytonOH.NCR.COM> Cal Demaine <demaine@ee.ualberta.ca> writes:
>
>From Cal Demaine <demaine@ee.ualberta.ca>
>
>Hello.  I've got three submarine-related questions which I'd like answers
>for.  Posting to the group is fine, but you can Email if you wish.
>
>1.  What is the shape of the tail/rudder on the 688 class and Ohio class
>boats?  
>
>2.  What material is used for the sound-deadening coating of modern boats?
>
>3.  There are two large American Subbases with the same name - "Bangor".
>One is on the east coast and one is on the west coast.  Any reason for
>the duplicate name?  What is the history of these bases?
>



Can't help with 1 or 2, but on 3...

There are not two sub bases named Bangor.  What there is is the 
following:

   US Naval Bases Where Subs are usually found and/or homeported:

     * New London, Conn. (actually closer the town of Groton, across
       the river from New London - directly across from the Coast
       Guard Academy).

     * Norfolk, Virginia

     * Charleston, South Carolina

     * Kings Bay, Georgia (Trident East Coast Base)

     * San Diego, California (Ballast Point)

     * Bangor, Washington (Trident West Coast Base)

     * Pearl Harbor, Hawaii

   US Navy Shipyards that work on submarines:

     * Portsmouth NSY, Portsmouth, New Hampshire 

     * Norfolk NSY, Portsmouth, Virginia 

     * Charleston NSY, Charleston, South Carolina

     * Mare Island NSY, Vallejo, California

     * Bremerton NSY, Bremerton, Washington (not too far from 
       Bangor...see above)
	
     * Pearl Harbor NSY, Pearl Harbor, Hawaii

   Note 1: since all of these yards work on submarines, they are all
       nuclear certified, as all US subs are nuclear powered (the only 
       other two NSY are Philly and Long Beach - and they are not 
       nuclear certified, and therefore do not work on subs. These two 
       are also on the DOD's "hit list" for closure).

   Note 2: The Navy used to build submarines (particularly at Mare 
       Island), but they no longer do - not since the late 60s, 
       early 70s).

   Private Shipyards that build U.S. submarines:

     * Electric Boat, Groton Conn. [General Dynamics], just down the 
       river from the sub base (see above).

     * Newport News, Hampton, Virginia [Newport News Shipbuilding and
       Drydock Company], across the bay (north) from Norfolk.


The only other Bangor I know of besides Bangor, Washington is Bangor, 
Maine which I believe is near Bath, Maine which is the home of the
private shipyard Bath Iron Works which is one of the yards where the 
Arleigh Burke class destoryers are being built.


hope this helps

tom balent

From Robert Hanners <hanners@oasys.dt.navy.mil>


In sci.military, demaine@ee.ualberta.ca (Cal Demaine) writes:
>From Cal Demaine <demaine@ee.ualberta.ca>
>
>Hello.  I've got three submarine-related questions which I'd like answers
>for.  Posting to the group is fine, but you can Email if you wish.
>
>1.  What is the shape of the tail/rudder on the 688 class and Ohio class
>boats?  I have a large number of pictures of these subs, and not a one
>shows either's rear end.  Is it a standard plus "+" configuration, or some
>hybrid "H" or "double H"?

		|                     |
		|                     |               \           /
		|                     |                 \       /
		|            |        |        |          \   /
	------- o -------    |------- o -------|            o
	      / | \          |        |        |          /   \
	    /   |   \                 |                 /       \
	   "    |    "                |               /           \
	LOS ANGELES CLASS         OHIO CLASS            ALBACORE
	     SSN 688               SSBN 721

The towed array is deployed at the ends of the stationary fins at the
" (quote) marks on the 688.  The X stern of the old Albacore is common
among several subs in foreign navies.  Not sure of the appendage
sensitivity on the SEAWOLF (SSN 21), so we just won't talk about that.

>3.  There are two large American Subbases with the same name - "Bangor".
>One is on the east coast and one is on the west coast.  Any reason for
>the duplicate name?  What is the history of these bases?

Two towns with the same name?  Not that uncommon.  Bangor, Maine and
Bangor, Washington.  One problem-- the large American base in Bangor,
Maine is real hard to find.  Perhaps you are thinking of the shipyard
with an address in Portsmouth, NH, but largely located across the line
in Kittery, Maine.  This is for surface ships only.  I believe the
official base name in the west is the "Trident Refit Facility, Bangor, WA.

-- Bob

------------------------------------------------------------------------------
Robert J. Hanners         "My comments; only mine."          *DIASTOLE* 676673
CD, NSWC, Annapolis, MD                              hanners@oasys.dt.navy.mil

From "Sean J. Roc D'Arcy" <bphdarcy@ubvmsb.cc.buffalo.edu>

>In article <C1F6tJ.KHu@law7.DaytonOH.NCR.COM> demaine@ee.ualberta.ca (Cal Demaine) writes:

>>2.  What material is used for the sound-deadening coating of modern boats?
>>I have heard that sorbathane was developed for exactly this purpose.  Is

I have also heard the above term used.  If not mistaken, this is a type of 
thick latex-like material, with sinuses or the like in it.   
SJRD