Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
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Subject Written By Posted
  What kind of shells did the 20mm & 37mm AA guns fire circa 1942?  Painted_Ocean 01/30/2023 04:22PM
  Questions about how deck gun was operated  Painted_Ocean 01/30/2023 04:20PM
  Command to blow tanks: "Anblasen" vs. "Ausblasen"  Painted_Ocean 01/30/2023 04:15PM
  Hydrogen Peroxide Turbine Engine  Don Baker 05/31/2000 10:24PM
  RE: Hydrogen Peroxide Turbine Engine  Rod 06/01/2000 12:14AM
  RE: Hydrogen Peroxide Turbine Engine  Don Baker 06/01/2000 01:15AM
  Re: RE: Hydrogen Peroxide Turbine Engine  Jim 05/11/2015 10:58PM
  RE: Hydrogen Peroxide Turbine Engine  Kevin 06/01/2000 05:12PM
  RE: Hydrogen Peroxide Turbine Engine  Rod 06/01/2000 05:45PM
  Re: RE: Hydrogen Peroxide Turbine Engine  ROBERT M. 06/21/2009 08:58AM
  Re: RE: Hydrogen Peroxide Turbine Engine  ganing 09/22/2010 10:05AM
  RE: Hydrogen Peroxide Turbine Engine  Don Baker 06/02/2000 05:48PM
  RE: Hydrogen Peroxide Turbine Engine  Enrique 06/02/2000 02:51PM
  Re: RE: Hydrogen Peroxide Turbine Engine  Joseph 06/21/2009 02:49AM
  RE: Hydrogen Peroxide Turbine Engine  Enrique 06/02/2000 02:51PM
  Walter drives  SuperKraut 06/04/2000 07:58PM
  Re: Walter drives  Nitin_Shirsekar 01/30/2023 11:04AM
  RE: Walter drives  Mike D 06/11/2000 03:46PM
  ASDIC/sonar  SuperKraut 06/12/2000 10:00AM
  RE: ASDIC/sonar  Mike D 06/12/2000 08:20PM
  Sophisticated sonar.  SuperKraut 06/13/2000 01:13PM
  Re: Sophisticated sonar.  Seeker 06/21/2009 07:02AM
  Re: Sophisticated sonar.  ROBERT M. 06/22/2009 12:21AM
  Re: Sophisticated sonar.  Seeker 07/25/2009 06:09PM
  Re: Hydrogen Peroxide Turbine Engine  Nitin_Shirsekar 01/30/2023 11:00AM
  flashlight  Nicofededoc 05/25/2021 02:51AM
  Re: flashlight  Scott Sorenson 05/25/2021 06:45PM
  Re: flashlight  Nitin_Shirsekar 01/30/2023 09:29AM
  Re: flashlight  Nitin_Shirsekar 01/30/2023 10:18AM
  Pressure hull  Joern 03/31/2021 06:58PM
  Re: Pressure hull  Scott Sorenson 04/02/2021 11:06PM
  Re: Pressure hull  Scott Sorenson 04/03/2021 07:36PM
  Re: Pressure hull  Joern 04/04/2021 08:34PM
  Re: Pressure hull  Nitin_Shirsekar 01/30/2023 09:39AM
  Re: Pressure hull  Nitin_Shirsekar 01/30/2023 10:11AM
  U-boat attacks on trawlers in WWI  john.dh88@yahoo.co.uk 01/21/2023 04:59PM
  Re: U-boat attacks on trawlers in WWI  Urs Heßling 01/22/2023 06:37PM
  Re: U-boat attacks on trawlers in WWI  john.dh88@yahoo.co.uk 01/22/2023 07:02PM
  Re: U-boat attacks on trawlers in WWI  john.dh88@yahoo.co.uk 01/22/2023 07:41PM
  Re: U-boat attacks on trawlers in WWI  Urs Heßling 01/25/2023 05:31PM
  scuttling charge timers  Jerry Cornford 01/13/2023 05:33AM
  U-480  Scott Sorenson 11/12/2022 02:11AM
  Q tank  sidnik77 09/15/2022 06:09AM
  cork in a sub  sidnik77 09/13/2022 05:51AM
  Re: cork in a sub  Scott Sorenson 09/13/2022 04:32PM
  Re: cork in a sub  sidnik77 09/15/2022 05:42AM
  batteries recharged  tom monte 08/28/2003 04:57PM
  Re: batteries recharged  Philip Lyon 08/15/2022 04:40AM
  Re: batteries recharged  Philip Lyon 08/15/2022 04:43AM
  Re: batteries recharged  Scott Sorenson 09/07/2022 04:22PM
  U-boat blueprints and diagrams  John Maxmillan 10/24/2000 08:05PM
  RE: U-boat blueprints and diagrams  Rainer Bruns 10/24/2000 10:59PM
  RE: U-boat blueprints and diagrams  Enrique 10/25/2000 05:37PM
  RE: U-boat blueprints and diagrams  Rainer Bruns 10/25/2000 09:54PM
  Re: RE: U-boat blueprints and diagrams  Don Prince 12/16/2010 05:35AM
  Re: RE: U-boat blueprints and diagrams  andre chartarnd 08/21/2011 09:10AM
  Re: RE: U-boat blueprints and diagrams  Simon 08/21/2011 07:19PM
  Re: RE: U-boat blueprints and diagrams  James S 10/02/2008 09:26PM
  Re: RE: U-boat blueprints and diagrams  joshua 11/01/2010 09:24PM
  Re: RE: U-boat blueprints and diagrams  Simon 11/02/2010 05:11PM
  Re: RE: U-boat blueprints and diagrams  Dan Jarvis 04/24/2016 05:01AM
  RE: U-boat blueprints and diagrams  joe brandt 10/25/2000 01:41AM
  Re: RE: U-boat blueprints and diagrams  Norman McRidge 03/02/2008 08:53PM
  Re: RE: U-boat blueprints and diagrams  pinkpenguinlbs@aol.com 09/09/2008 10:45PM
  Re: RE: U-boat blueprints and diagrams  Emily 10/25/2008 04:27PM
  Re: RE: U-boat blueprints and diagrams  Simon 10/25/2008 05:08PM
  Re: RE: U-boat blueprints and diagrams  john taylor 10/30/2008 05:12PM
  Re: RE: U-boat blueprints and diagrams  Simon 10/30/2008 08:02PM
  Re: RE: U-boat blueprints and diagrams  Roger Pearce 01/12/2013 09:11PM
  Re: RE: U-boat blueprints and diagrams  mark schoenberger 05/28/2014 09:27PM
  Re: RE: U-boat blueprints and diagrams  Simon 05/29/2014 06:00AM
  Re: RE: U-boat blueprints and diagrams  Jason Jara 08/13/2017 11:30PM
  Re: RE: U-boat blueprints and diagrams  Scott Lynch 07/17/2022 02:43PM
  Re: U-boat blueprints and diagrams  A.Gomez Guerrero 09/11/2008 10:55AM
  Re: U-boat blueprints and diagrams  Don Prince 12/16/2010 05:27AM
  Re: U-boat blueprints and diagrams  P_Woodworth 01/09/2011 10:18PM
  missing u boats  paul roberts 12/03/2013 07:27PM
  Re: missing u boats  paul tjader 02/17/2015 03:04PM
  Type IXC Wire Antenna Details  Phil Turner 07/04/2015 08:14PM
  Re: U-boat blueprints and diagrams  EDUARDO VALERO VIRUET 04/10/2016 01:47PM
  Re: U-boat blueprints and diagrams  Fahim 03/18/2017 11:27PM
  Re: U-boat blueprints and diagrams  ^wolf 10/01/2017 10:49PM
  Re: U-boat blueprints and diagrams  Robert Jeannot 06/15/2018 12:02PM
  New Book Type XXI U Boat (Electroboot)  Nitin_Shirsekar 06/14/2022 11:59AM
  air conditioning system on u boats?  Yuri Nam 05/17/2016 08:17AM
  Re: air conditioning system on u boats?  SnakeDoc 05/17/2016 04:36PM
  Re: air conditioning system on u boats?  Benton Marcum 05/22/2022 10:53PM
  Re: air conditioning system on u boats?  Benton Marcum 05/22/2022 11:19PM
  WWII Stirling Engine ?  jessop 04/29/2005 10:52PM
  Re: WWII Stirling Engine ?  Sniper 04/30/2005 11:47AM
  Re: WWII Stirling Engine ?  Christine Davey 02/01/2022 10:00AM
  Re: WWII Stirling Engine ?  Brian 05/13/2005 03:32AM
  Delta Engine / German Submarine?  Manfred 12/24/2021 04:10PM
  Re: Delta Engine / German Submarine?  Scott Sorenson 01/03/2022 03:28PM
  Diving Times  PipsPriller 11/02/2021 10:55PM
  Torpedo cost  Mikeonthebike 11/18/2021 09:20PM
  Re: Diving Times  Scott Sorenson 11/23/2021 07:36PM
  Weight of storage batteries used in type VIIC uboots  Raymond Blaxill 10/12/2021 10:38PM
  Re: Weight of storage batteries used in type VIIC uboots  phil morgan 10/13/2021 03:32PM
  Re: Weight of storage batteries used in type VIIC uboots  Scott Sorenson 10/15/2021 12:58AM
  Re: Weight of storage batteries used in type VIIC uboots  Ken Dunn 10/15/2021 04:04PM
  Depth A  BB1982 10/06/2021 08:59AM
  Re: Depth A  Ken Dunn 10/06/2021 01:50PM
  Re: Depth A  BB1982 10/06/2021 02:02PM
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