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Old 20 July 2009, 05:14   #1
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Seaweed

I have generally tried to avoid large and obvious outcrops of seaweed - thinking, perhaps foolishly, that it might clog the prop. Is this right?
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Old 20 July 2009, 05:24   #2
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Just dont swerve too hard to avoid it !

Anyway ....... I reckon there ismore chance of it blocking the water inlets on the leg than clogging the prop . I have only had this once when going a long way up river running at idle in very very thick weed.

I reckon at any speed the prop will rip seaweed to bits in seconds. But odly even though I know & think this this I still try & avoid it ! Maybe as you never know what its hiding by way of big bits of wood etc.
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Old 20 July 2009, 05:38   #3
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Large amounts of Seaweed seem to collect and hang on to flotsam and jetsam.
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Old 20 July 2009, 05:47   #4
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Near me you often see long lines of seaweed where currents meets - its impossible to avoid , but I try & pick a 'thin' bit to run through If I am at any speed.

Other days the sea is full of odd bits - every few metres , others you dont see any floating or slighly submerged for miles.

Guess its the same all round the coast ?
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Old 20 July 2009, 08:49   #5
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Not around here it isn't - always too rough and massive tides for it to form in big clumps.

Have to watch out for the odd coconut palm though - the Gulf Stream seems to drop loads of stuff from the Caribbean over here!!!
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Old 20 July 2009, 11:02   #6
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Quote:
Originally Posted by JSP View Post
Large amounts of Seaweed seem to collect and hang on to flotsam and jetsam.
...and rocks!!
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Old 20 July 2009, 11:20   #7
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I hear what JSP is saying, if the weed is gathering, so are the bottles, cans, nets, ropes and planks. I always try to avoid the stuff and nip through light patches if necessary. It can't do the paintwork on props any good - not that I have much left
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Old 20 July 2009, 11:29   #8
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...and rocks!!
when this gets bad it is known as 'ISLANDS' or 'LAND' - there is a big WIGHT one near me I try & avoid.
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Old 20 July 2009, 11:34   #9
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We have lots of giant kelp out here (two types: Giant Kelp, Macrocystis pyrifera; and Bull Kelp, Nereocystis leutkeana); at speed usually isn't an issue (the stuff tends to get chopped up pretty easiily with the prop spinning at a good clip) and I think the speed of the skeg tends to either cut it or srive it down clear of the prop.

Going slower can be more problematic; the stuff can wrap around the prop or snag the LU. Usually, stopping and giving it a burst in reverse (or doing the same a few times between reverse and forward) will clear things up nicely. Occasionally you have to raise the motor and manually clear it.

A bigger problem is having a blade of kelp fold across the front of the LU. I've had a few overheat alarms when a blade positioned itself across both sides of the water intake.

I usually try to pick my way through thinner spots, but occasionally have to just motor through. It normally isn't that big a deal.

Drifting paddies I usually avoid. Not so much for potential damage, but more because they are neat mobile ecosystems for small critters and I feel bad about tearing them up.

jky
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Old 20 July 2009, 14:30   #10
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Drifting Paddies I usually avoid. Not so much for potential damage, but more because they are neat mobile ecosystems for small critters and I feel bad about tearing them up.

jky
Hmmm. I'll take that as a compliment, I think...
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