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Manatee Zones don't work.....

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Old 03-28-2011, 07:29 PM
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You got that right.

There was a study done down here at a major university, regarding Manatees. The examined how Manatees and virtually all marine mammals navigate. The Manatee has extremely poor underwater vision, but excellent hearing (sonar), like most marine mammals. They went on to discover that a boat prop at idle speed, generates sound frequency's that Manatees do not hear until they are almost on top of them, but a boat prop at higher speed, generates sound frequency's that Manatees hear sometimes miles away.

Going at idle speed gives the Manatee a second or two to react and avoid your prop. Going faster gives the Manatee sometimes a minute or more to turn away and be far from your prop.

It doesnt matter what they here. Deer hear and see but sometimes change direction 180 deg. when they run. Usually right in your path of travel..
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Old 03-28-2011, 07:40 PM
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I keep feeding them, and have cold water fountains spraying off my dock to get as many behind my house as I can, then Im going to take some pictures, send them to the state and get a sweet no wake zone for my house too. Hopefully that helps the property value, and protects my boat.







Sarcasm above, manatee zones are pretty much pointless.

Last edited by spk1; 03-28-2011 at 07:43 PM.
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Old 03-28-2011, 07:49 PM
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I keep feeding them...
You too!


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Old 03-28-2011, 08:29 PM
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You too!


Yea, but dont shoot them till after you get the no wake zone for your house,, then its open season!
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Old 03-28-2011, 09:50 PM
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Originally Posted by AppSysCons View Post
You got that right.

There was a study done down here at a major university, regarding Manatees. The examined how Manatees and virtually all marine mammals navigate. The Manatee has extremely poor underwater vision, but excellent hearing (sonar), like most marine mammals. They went on to discover that a boat prop at idle speed, generates sound frequency's that Manatees do not hear until they are almost on top of them, but a boat prop at higher speed, generates sound frequency's that Manatees hear sometimes miles away.

Going at idle speed gives the Manatee a second or two to react and avoid your prop. Going faster gives the Manatee sometimes a minute or more to turn away and be far from your prop.
http://news.nationalgeographic.com/n...-video-wc.html
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Old 03-29-2011, 06:45 AM
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Unsane,
Good data there thanks,
The Feds, Fl. State, and of course the $MC ignored all this research!
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Old 03-29-2011, 09:22 AM
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I keep feeding them, and have cold water fountains spraying off my dock to get as many behind my house as I can, then Im going to take some pictures, send them to the state and get a sweet no wake zone for my house too. Hopefully that helps the property value, and protects my boat.







Sarcasm above, manatee zones are pretty much pointless.
spk1,
Have any pics of your 40' Magnum, love to see them, those are awesome boats.... Is it the Yellow one?
Thanks,
Dean
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Old 03-29-2011, 12:59 PM
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spk1,
Have any pics of your 40' Magnum, love to see them, those are awesome boats.... Is it the Yellow one?
Thanks,
Dean
Its a custom, its black, with red trim, custom swim platform, 316 stainless radar arch, twin yanmars with shafts. I can email you a few pictures if you like.
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Old 03-29-2011, 01:16 PM
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http://miami.craigslist.org/brw/com/2293443523.html

here it is Dean
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Old 03-29-2011, 02:17 PM
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spk1,
Very nice, good luck with the sale. If you have to go slow in a Manatee Zone, that's the style to do it in!
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