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Old 06-01-2016, 10:04   #16
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Re: What is this?

for ice or logs I suppose...
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Old 06-01-2016, 10:27   #17
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Re: What is this?

Boats in the PNW would have something similar to move logs around.


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Old 06-01-2016, 19:26   #18
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Re: What is this?

WOW, thanks for all the innovative observations. I knew I came to the right place.


I checked it over before I snapped the picture. It was not sharp & looks like it never was. Too high for me to touch so I can't comment on the material. I think geometry is wrong for a bobstay. Can't imagine it as a mooring eye. It would break thin ice but I see no boats (especially sail) once October passes. Marinas have drop-dead dates here for haul-out & shut down the travel lifts --crews go home. Tributary lakes & marinas freeze over totally so no way to get out. If you planned to bang logs I think you would just want them to roll off a hard plate.


I noticed the overhang of the upper where this is located so it looks deliberate & fitted.


Is this like tail fins on a classic car?
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Old 06-01-2016, 19:45   #19
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Re: What is this?

It acts as a saw to increase damage to another boat when you ram it .

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Old 06-01-2016, 20:07   #20
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Re: What is this?

I cannot claim to know what it is.......have seen,but not experienced,this fitted to an extremely competitive skiff raced on a crowded river section in Sydney......and seen on old submarines.

Might help.
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Old 06-01-2016, 20:31   #21
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Re: What is this?

I just dug through the archives and fund another photo I had stashed. I couldn't tell in the close-up what the boat was. NOAA research vessel. I go with ice cutter or pirate rammer.
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Old 07-01-2016, 13:35   #22
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Re: What is this?

Here is the best I do I could find on it.

Great Lakes Association of Science Ships

Name: NOAA R5002 Storm
Captain:
Length: 50 feet
Beam: 17 feet
Draft: 6 feet
Speed: 24 knots
Displacement: 26 tons
Hull: Aluminum Semi-Displacement
Year: 1992
Comments:
The vessel is used to support the Science Missions, Dive Operations, and Multi-beam/Side Scan for the Thunder Bay National Marine Sanctuary. (Thunder Bay National Marine Sanctuary | Home) Former Coast Guard Patrol vessel and later used as a Training Vessel for the US Merchant Marine Academy at Kings Point, NY. Vessel transited from New York Harbor to the Great Lakes in the fall of 2009. After undergoing a major overhaul at GLERL's Lake Michigan Field Station during the winter of 2010, Storm was transferred to Alpena, MI in the spring of 2010. Vessel has limited accommodations for 24-36 hour operations.
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