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L

LAL

Sat, Apr 10, 2021 9:55 AM

https://www.passagemaker.com/trawler-news/naval-mine-washes-ashore-in-florida

RG

Rich Gano

Sat, Apr 10, 2021 3:25 PM

I think it was an inert bottom mine used to exercise mine sweepers.

-----Original Message-----
From: LAL lazilicata@gmail.com
Sent: Saturday, April 10, 2021 4:55 AM
To: TrawlerList trawlers@lists.trawlering.com
Subject: T&T: Something DIFFERENT to keep a lookout for

https://www.passagemaker.com/trawler-news/naval-mine-washes-ashore-in-florid
a

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I think it was an inert bottom mine used to exercise mine sweepers. -----Original Message----- From: LAL <lazilicata@gmail.com> Sent: Saturday, April 10, 2021 4:55 AM To: TrawlerList <trawlers@lists.trawlering.com> Subject: T&T: Something DIFFERENT to keep a lookout for https://www.passagemaker.com/trawler-news/naval-mine-washes-ashore-in-florid a To access the T&T List archives, go to https://lists.trawlering.com/empathy/list/trawlers.lists.trawlering.com To unsubscribe, send email to trawlers-leave@lists.trawlering.com with nothing in the subject or body of the message. Trawlers & Trawlering and T&T are trademarks of Water World Productions. Unauthorized use is prohibited.

DR

Don Robertson

Sat, Apr 10, 2021 3:57 PM

To embellish Rich’s comment, this inert mine looks more like a moored (anchored on a chain at some depth) or floating exercise mine. The horns on the mine are the detonators and must come in contact with a ship to cause it to explode. A bottom mine has some other source of detonation since a ship wouldn’t contact the horns if the mine is on the bottom.

FWIW, the Navy operates a range off shore near Ft. Lauderdale used for training and for testing of mine hunting vehicles. The range is operated from a small station located at the inlet of the Stranahan River at Port Everglades. Years ago, I spent several weeks there testing a remotely operated mine hunting vehicle. We operated against both bottom and moored inert mines. We didn’t work against floating mines because they just drift with the current. I’m pretty sure the inert mine in the photo broke free of its mooring chain on that range and drifted onto the beach at Lauderdale-by-the-Sea, probably carried by the weak edges of the Gulf Stream which is fairly close to shore in this area.

Sent from my iPad

On Apr 10, 2021, at 11:26 AM, Rich Gano richgano@gmail.com wrote:

I think it was an inert bottom mine used to exercise mine sweepers.

-----Original Message-----
From: LAL lazilicata@gmail.com
Sent: Saturday, April 10, 2021 4:55 AM
To: TrawlerList trawlers@lists.trawlering.com
Subject: T&T: Something DIFFERENT to keep a lookout for

https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.passagemaker.com%2Ftrawler-news%2Fnaval-mine-washes-ashore-in-florid&data=04%7C01%7C%7C3483987b32b84e93738f08d8fc34f9f0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637536651742682619%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=IhsnIyoC9YDFa3yXcvoXttXWTpeCOlwYZB35M0Cwurk%3D&reserved=0
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To embellish Rich’s comment, this inert mine looks more like a moored (anchored on a chain at some depth) or floating exercise mine. The horns on the mine are the detonators and must come in contact with a ship to cause it to explode. A bottom mine has some other source of detonation since a ship wouldn’t contact the horns if the mine is on the bottom. FWIW, the Navy operates a range off shore near Ft. Lauderdale used for training and for testing of mine hunting vehicles. The range is operated from a small station located at the inlet of the Stranahan River at Port Everglades. Years ago, I spent several weeks there testing a remotely operated mine hunting vehicle. We operated against both bottom and moored inert mines. We didn’t work against floating mines because they just drift with the current. I’m pretty sure the inert mine in the photo broke free of its mooring chain on that range and drifted onto the beach at Lauderdale-by-the-Sea, probably carried by the weak edges of the Gulf Stream which is fairly close to shore in this area. Sent from my iPad > On Apr 10, 2021, at 11:26 AM, Rich Gano <richgano@gmail.com> wrote: > > I think it was an inert bottom mine used to exercise mine sweepers. > > -----Original Message----- > From: LAL <lazilicata@gmail.com> > Sent: Saturday, April 10, 2021 4:55 AM > To: TrawlerList <trawlers@lists.trawlering.com> > Subject: T&T: Something DIFFERENT to keep a lookout for > > > > > > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.passagemaker.com%2Ftrawler-news%2Fnaval-mine-washes-ashore-in-florid&data=04%7C01%7C%7C3483987b32b84e93738f08d8fc34f9f0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637536651742682619%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=IhsnIyoC9YDFa3yXcvoXttXWTpeCOlwYZB35M0Cwurk%3D&reserved=0 > a > > To access the T&T List archives, go to > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.trawlering.com%2Fempathy%2Flist%2Ftrawlers.lists.trawlering.com&data=04%7C01%7C%7C3483987b32b84e93738f08d8fc34f9f0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637536651742682619%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=2T4L7FR3hkfR9PzrMykwz%2BzrESk%2F8T8xMpwBPdRd2R4%3D&reserved=0 > To unsubscribe, send email to trawlers-leave@lists.trawlering.com with > nothing in the subject or body of the message. > > Trawlers & Trawlering and T&T are trademarks of Water World Productions. > Unauthorized use is prohibited.