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RE: technological differences? - RN?

Posted by: Robert Eno ()

Date: June 30, 2000 03:48PM

Fascinating thread folks. Mine Gut! Are you all submariners or are you guys really serious afficionados? I consider myself to be in the latter category but I sure as hell don't hold a candle to you folks when it comes to general sub knowledge!

This forum is a good learning tool. Good show!

Now, I have a few questions:

Why did subs go from a double prop to a single? Was it to eliminate, entirely, any imbalance and thus noise? Joe also mentioned something about a "cruciform tail empennage". Joe, you'd best explain that $50 dollar word to me!

One further question: we've discussed the hull designs and it is pretty much agreed upon that U-boats were really a diving boat and not a submarine and that their form was more suited to surface travel. Now, how well do today's subs travel on the surface? Is the imblalance now in the other direction?

Finally, I had earlier asked about the breathing air supply system on a U-boat: whether it was supplied by compressed air tanks or was it simply drawn from whatever was trapped in the hull after it dove? One gentleman mentioned oxygen candles which I have never heard of.

Thanks people. Very interesting forum. Gotta love it.

regards to all

Robert Eno

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Subject	Written By	Posted
technological differences?	Les	06/27/2000 01:49AM
RE: technological differences?	Ted Armstrong	06/27/2000 06:46AM
RE: technological differences?	Mike Sung	06/27/2000 12:47PM
RE: technological differences?	Rainer Bruns	06/27/2000 03:27PM
RE: technological differences?	rabbit	06/27/2000 05:02PM
RE: technological differences?	Rainer Bruns	06/27/2000 06:46PM
RE: technological differences?	Les	06/27/2000 10:02PM
RE: technological differences?	Joe	06/28/2000 06:14AM
RE: technological differences?	Rainer Bruns	06/28/2000 03:31PM
RE: technological differences?	Joe	06/29/2000 07:20AM
RE: technological differences?	Rainer Bruns	06/29/2000 02:01PM
RE: technological differences?	Joe	06/30/2000 05:41AM
RE: technological differences? - RN?	Rainer Bruns	06/30/2000 01:06PM
RE:measures and countermeasures.	Don Dirst	06/30/2000 07:29PM
RE:measures and countermeasures.	Tom Manson	07/01/2000 02:14AM
RE:measures and countermeasures.	Don Dirst	07/01/2000 11:12AM
RE:measures and countermeasures.	Rainer Bruns	07/01/2000 02:29AM
RE:measures and countermeasures.	Rainer Bruns	07/01/2000 03:20AM
RE: technological differences? - RN?	Rainer Bruns	06/30/2000 01:08PM
RE: technological differences? - RN?	Rainer Bruns	06/30/2000 01:09PM
RE:measures and countermeasures.	Joe	07/01/2000 12:43AM
RE:measures and countermeasures.	Les	07/01/2000 01:20AM
RE: technological differences?	Les	06/29/2000 02:39AM
RE: technological differences?	Tom Manson	06/28/2000 02:51AM
RE: technological differences?	Rainer Bruns	06/28/2000 03:27AM
RE: technological differences?	Rick Mann	06/29/2000 12:51AM
RE: technological differences? - RN?	Andrew Hetherington	06/30/2000 10:25AM
RE: technological differences? - RN?	Rainer Bruns	06/30/2000 01:14PM
RE: technological differences? - RN?	Robert Eno	06/30/2000 03:48PM
RE: The more things change...ya know the rest...	rabbit	06/30/2000 05:43PM
RE:measures and countermeasures.	Tom Manson	07/01/2000 02:31AM
RE:measures and countermeasures.	Old Salt - Once There	06/30/2000 11:51PM
RE:single screw maneuverability	AL Wellman	07/01/2000 04:16PM
CO2 Filters	DS	07/04/2000 03:15AM

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Robert Eno Wrote:
-------------------------------------------------------
> Fascinating thread folks.   Mine Gut! Are you all
> submariners or are you guys really serious
> afficionados?  I consider myself to be in the
> latter category but I sure as hell don't hold a
> candle to you folks when it comes to general sub
> knowledge!
> 
> This forum is a good learning tool. Good show!
> 
> Now, I have a few questions:
> 
> Why did subs go from a double prop to a single?
> Was it to eliminate, entirely, any imbalance and
> thus noise?  Joe also mentioned something about a
> "cruciform tail empennage".  Joe, you'd best
> explain that $50 dollar word to me!
> 
> One further question: we've discussed the hull
> designs and it is pretty much agreed upon that
> U-boats were really a diving boat and not a
> submarine and that their form was more suited to
> surface travel.  Now, how well do today's subs
> travel on the surface?  Is the imblalance now in
> the other direction?
> 
> Finally, I had earlier asked about the breathing
> air supply system on a U-boat: whether it was
> supplied by compressed air tanks or was it simply
> drawn from whatever was trapped in the hull after
> it dove?   One gentleman mentioned oxygen candles
> which I have never heard of.
> 
> Thanks people.  Very interesting forum.  Gotta
> love it.
> 
> regards to all
> 
> 
> Robert Eno