Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
Re: MAK/DWK diesels
Posted by: Rainer Bruns ()
Date: March 20, 2002 04:26AM

Hi Oscar,
Type XXI had 2 6cyl. MAN Diesels of about 2000hp with superchargers at 470rpm, but intentionally throttled down to only
0.35 atm charge air , snorkel speed of 10-11 kn max. were acchieved at 395rpm=2x1060shp @ ttl consumption of 412kg/hr.
Type XXIII was single screw, one 6cyl. MWM Diesel of 580hp.
Theoretical max load 630hp @ 880rpm.
Both types had reduction gears. Do not know the ratios and make. Do not have cyl volumes. Can't find my notes on these details right now. Rgds, RB

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Subject Written By Posted
Diesels and electro. at the same time? Leif... 03/04/2002 01:37PM
Re: Diesels and electro. at the same time? walter M 03/04/2002 05:47PM
Re: Diesels and electro. at the same time? Marc Cimon 03/05/2002 01:33AM
Re: Diesels and electro. at the same time? Leif... 03/05/2002 06:44AM
Re: Diesels and electro. at the same time? Einar 03/09/2002 01:19PM
Re: Diesels and electro. at the same time? J.T. McDaniel 03/09/2002 08:27PM
Re: Diesels and electro. at the same time? Oscar Bustamante 03/14/2002 01:22AM
Re: MAK/DWK Rainer Bruns 03/14/2002 03:53AM
Re: MAK/DWK diesels Oscar Bustamante 03/14/2002 11:21PM
Re: MAK/DWK diesels Rainer Bruns 03/15/2002 04:03AM
Re: MAK/DWK diesels Oscar Bustamante 03/15/2002 11:43PM
Re: MAK/DWK diesels Rainer Bruns 03/16/2002 04:40AM
Re: MAK/DWK diesels Oscar Bustamante 03/19/2002 11:15PM
Re: MAK/DWK diesels Rainer Bruns 03/20/2002 04:26AM
Re: MAK/DWK diesels Vincenzo 12/10/2002 09:42PM


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