Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
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Subject Written By Posted
  Was the Observation Periscope in Type VII and IX U-Boats at fixed height.  Dave McQueen 04/11/2019 01:47PM
  U Boat Clock Verification  John Hutchings 03/20/2019 12:04PM
  Torpedo loadouts?  Hansel 04/10/2011 04:21AM
  Re: Torpedo loadouts?  SnakeDoc 04/17/2011 09:54PM
  Re: Torpedo loadouts?  Ken Dunn 04/17/2011 11:27PM
  Re: Torpedo loadouts?  Hansel 04/18/2011 04:22AM
  Re: Torpedo loadouts?  Ken Dunn 04/18/2011 01:44PM
  Re: Torpedo loadouts?  SnakeDoc 04/19/2011 06:02AM
  Re: Torpedo loadouts?  streetdoc911 05/15/2011 01:16AM
  Re: Torpedo loadouts?  Jerry and Charla Mason 05/15/2011 02:19PM
  Re: Torpedo loadouts?  streetdoc911 05/15/2011 03:42PM
  Re: Torpedo loadouts?  Maurice Eldridge 03/02/2019 12:26PM
  Re: Torpedo loadouts?  Ken Dunn 03/02/2019 01:17PM
  Re: Torpedo loadouts?  Maurice Eldridge 03/02/2019 03:01PM
  Re: Torpedo loadouts?  Jerry and Charla Mason 03/02/2019 07:12PM
  Re: Torpedo loadouts?  Maurice Eldridge 03/03/2019 11:14AM
  Re: Torpedo loadouts?  Ã…kerberg 04/18/2011 07:04AM
  U-995 Engine Room racks  Katuna 02/20/2019 08:43PM
  U-boat anchor and chain mechanisms/stowage/etc.  mauserbob 02/05/2019 02:19AM
  Re: U-boat anchor and chain mechanisms/stowage/etc.  Scott Sorenson 02/08/2019 09:07PM
  UZO.  james 02/12/2005 03:08PM
  Re: UZO.  ROBERT M. 02/13/2005 06:08AM
  Re: UZO.  Philipp0408 02/21/2005 10:33PM
  Re: UZO.  Rainer Bruns 02/22/2005 02:16AM
  Re: UZO.  ROBERT M. 02/22/2005 06:50AM
  Re: UZO.  Rainer Bruns 02/22/2005 05:24PM
  Re: UZO.  ROBERT M. 02/22/2005 08:23PM
  Re: UZO.  Simon Gunson 03/11/2006 01:12AM
  Re: UZO.  Unser Russell 11/13/2018 02:06AM
  VII vs IX diving times?  twsecrest 10/26/2018 04:51PM
  Re: VII vs IX diving times?  Scott Sorenson 11/10/2018 05:49PM
  German clock  phil morgan 02/05/2016 03:09PM
  Re: German clock  roger laksekjon 11/07/2018 11:21AM
  Type VIIC/41 Attachment to Top Front Hull  David Manley 11/01/2018 06:09AM
  WW2 sub diesel engines turn so slow?  twsecrest 10/15/2018 04:12AM
  Re: WW2 sub diesel engines turn so slow?  Scott Sorenson 10/15/2018 06:47PM
  Identification of rare (older?) variant of G7 torpedo  VC54002 09/26/2018 09:03PM
  Re: Identification of rare (older?) variant of G7 torpedo  Scott Sorenson 10/08/2018 06:56PM
  Re: Identification of rare (older?) variant of G7 torpedo  VC54002 10/08/2018 09:02PM
  U-boats in the Kiel Canal?  Cybermat47 10/07/2018 06:58AM
  Kriegsmarine Binoculars  jourdain 09/16/2018 07:06PM
  German binoculars  Sgt Art 10/21/2003 07:26PM
  Re: German binoculars  mike 10/23/2003 03:47AM
  Re: German binoculars  james 10/26/2003 09:02PM
  Re: German binoculars  Dick Martin 10/27/2003 02:43AM
  Re: German binoculars  Harvey 10/27/2003 09:20PM
  Re: German binoculars  Sgt Art 10/28/2003 03:10AM
  Re: German binoculars  Dick Martin 10/28/2003 05:16AM
  Re: German binoculars  jourdain 08/19/2018 09:26PM
  Re: German binoculars  jourdain 09/10/2018 01:01PM
  Re: German binoculars  Forum Moderator 09/10/2018 02:51PM
  Quality of submarines  bernard zimmermann 09/21/2000 09:47AM
  RE: Quality of submarines  David W 09/21/2000 11:18PM
  RE: Quality of submarines - RN vs VIIC  Andrew Hetherington 09/22/2000 11:01AM
  RE: nautical mile conversion  AL Wellman 09/25/2000 01:24AM
  RE: nautical mile conversion  Andrew Hetherington 09/25/2000 07:29AM
  RE: Admiralty mile  AL Wellman 09/25/2000 06:13PM
  RE: nautical mile conversion  Steve Cooper 09/25/2000 01:15PM
  RE: nautical mile conversion  Andrew Hetherington 09/25/2000 03:09PM
  Max depth US subs  Don Baker 09/26/2000 08:54PM
  RE: Max depth US subs  Forest 09/27/2000 12:14AM
  RE: Pressure Testing Submarine Hulls  Don Baker 09/27/2000 04:42PM
  Re: RE: Pressure Testing Submarine Hulls  stan 06/17/2012 04:33PM
  RE: Max depth US subs  kurt 09/27/2000 04:34PM
  RE: Max depth US subs  David W 09/28/2000 01:39AM
  US vs German subs  Kurt 09/24/2000 09:05PM
  Underwater manueverability  David W 09/25/2000 11:31PM
  RE: Underwater manueverability  Forest 09/26/2000 01:31AM
  Re: US vs German subs  Colin Fulton 01/28/2016 12:29AM
  Re: US vs German subs  SnakeDoc 01/28/2016 08:46AM
  Re: US vs German subs  Jim 02/23/2018 05:44AM
  Re: US vs German subs  TF 02/24/2018 04:42PM
  Re: US vs German subs  Seeker 08/20/2018 02:14AM
  RE: Quality of submarines  bernard zimmermann 09/25/2000 10:32AM
  RE: Quality of submarines  kurt 09/25/2000 08:58PM
  Re: RE: Quality of submarines  horst 03/31/2018 05:23AM
  RE: Mk24 and "Cutie"  Don Baker 09/26/2000 05:04AM
  RE: Mk24 and "Cutie"  Steve Cooper 09/26/2000 12:10PM
  RE: Mk24 and "Cutie"  joe brandt 09/26/2000 03:56PM
  RE: Mk24 and "Cutie"  Don Baker 09/26/2000 09:16PM
  RE: Mk24 and "Cutie"  kurt 09/26/2000 08:59PM
  RE: Mk24 and Cutie Performance  Don Baker 09/27/2000 08:29PM
  Correction to Cutie performance  Don Baker 09/28/2000 01:02AM
  RE: Mk24 and Cutie Performance  kurt 09/28/2000 04:07PM
  RE: Hellions of the Deep  Don Baker 09/30/2000 02:26PM
  RE: Hellions of the Deep  Forest 09/30/2000 04:22PM
  TBM/TBF Avenger  Don Baker 09/30/2000 06:16PM
  Re: RE: Hellions of the Deep  ROBERT M. 06/26/2012 06:06PM
  Re: Quality of submarines  Walter Schmidt 06/26/2012 03:02PM
  Re: Quality of submarines  ROBERT M. 06/26/2012 05:50PM
  Re: Quality of submarines  Walter Schmidt 06/26/2012 08:36PM
  Re: Quality of submarines  ROBERT M. 06/26/2012 08:52PM
  Re: Quality of submarines  Nicholas Rothenberg 07/13/2018 02:39PM
  Re: Quality of submarines  Walter Schmidt 06/27/2012 08:46PM
  Design  Rodney 08/10/2018 03:40PM
  Re: Design  Scott Sorenson 08/19/2018 12:36PM
  Catalina crash site at De Hoop?  ClintBarton 07/23/2018 09:42AM
  U-Boat Propulsion  Robert Eno 07/21/2000 12:44PM
  RE: U-Boat Propulsion  Rainer Bruns 07/21/2000 02:31PM
  RE: U-Boat Propulsion  Rainer Bruns 07/21/2000 04:01PM
  XXI propulsion system.  SuperKraut 07/27/2000 09:58PM
  RE: U-Boat Propulsion  Robert Eno 07/21/2000 09:42PM
  RE: U-Boat Propulsion  Don Baker 07/23/2000 07:05PM
  RE: U-Boat Propulsion  Rainer Bruns 07/24/2000 01:40AM
  RE: U-Boat Propulsion  Don Baker 07/24/2000 11:54PM
  RE: U-Boat Propulsion  Rainer Bruns 07/25/2000 01:31AM
  RE: U-Boat Propulsion  Rainer Bruns 07/25/2000 01:46AM
  RE: U-Boat Propulsion  Don Baker 07/25/2000 05:43AM
  RE: U-Boat Propulsion  Rainer Bruns 07/25/2000 01:02PM
  RE: U-Boat Propulsion  Robert Eno 07/24/2000 12:31PM
  RE: U-Boat Propulsion  Garth 07/24/2000 06:57AM
  RE: U-Boat Propulsion  Andrew Hetherington 07/24/2000 08:16AM
  RE: U-Boat Propulsion  Rick Mann 07/25/2000 09:38PM
  RE: U-Boat Propulsion  Don Baker 07/27/2000 01:00AM
  Re: U-Boat Propulsion  Robert Laloie 07/27/2017 01:43PM
  Re: U-Boat Propulsion  Don Prince 05/14/2018 06:01AM
  Re: U-Boat Propulsion  raf janssens 07/20/2018 05:49PM
  Re: U-Boat Propulsion  Don Prince 07/20/2018 08:47PM
  \"Standard\" 533 mm torpedo  walter M 07/20/2001 08:13PM
  RE: \"Standard\" 533 mm torpedo  Rainer Kolbicz 07/27/2001 12:56PM
  RE: \\\\\\  walter M 07/27/2001 06:22PM
  RE: \"Standard\" 533 mm torpedo  Rainer Kolbicz 07/30/2001 06:03AM
  RE: \\\"Standard\\\" 533 mm torpedo  walter M 07/30/2001 03:21PM
  Re: RE: \"Standard\" 533 mm torpedo  Natter 07/04/2018 11:34AM
  wire guidance in late german WWII torpedoes?  Johan Fredin 08/15/2000 06:39PM
  RE: wire guidance in late german WWII torpedoes?  joe brandt 08/16/2000 12:21AM
  RE: wire guidance in late german WWII torpedoes?  Johan Fredin 08/20/2000 10:36PM
  RE: wire guidance in late german WWII torpedoes?  joe brandt 08/21/2000 12:27AM
  Lerche  SuperKraut 08/21/2000 10:26AM
  RE: Lerche  Johan Fredin 08/21/2000 01:02PM
  Chicken and egg  SuperKraut 08/24/2000 08:52AM
  Re: RE: wire guidance in late german WWII torpedoes?  Natter 07/04/2018 11:29AM
  RE: Lerche  joe brandt 08/21/2000 08:28PM
  Lerche technology.  SuperKraut 08/24/2000 07:58AM
  RE: wire guidance in late german WWII torpedoes?  Garth 08/21/2000 05:18AM
  RE: Lerche  Don Baker 08/22/2000 08:34PM
  RE: Lerche  SuperKraut 08/24/2000 07:48AM
  Re: RE: Lerche  Natter 08/27/2011 03:51PM
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