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Old 22 February 2013, 00:13   #11
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Country: Canada
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Length: 4m +
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Hi,

Yes I see the rubber brackets, those must keep it well aligned. The picture from the grand is not coming through.

Do you find the wooden keel on your boat gives superior performance?
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Old 22 February 2013, 10:49   #12
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Country: Germany
Town: Nuremberg
Boat name: Gryphon 8
Make: Avon Searider 4M
Length: 4m +
Engine: Yam 55
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It certainly performs better in turning than a equal 3.2 boat with an inflatable keel.
Plus, it takes higher motorisation. I'm running it with 23 HP, it reaches 34 MPH, but i use it for racing mostly.
It still runs very rough in even the smallest of waves..
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Old 22 February 2013, 21:38   #13
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Nice speed. Not sure if the wooden keel would make the ride rougher through waves, the inflatable keel might dampen some of the impacts vs. a rigid keel.
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Old 23 February 2013, 02:37   #14
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Make: Avon Searider 4M
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The Inflatable Keel does not provide as much Ridigty as the wooden one, thus allowing the floor plates to move. If you do not inflate the keel to the right pressure, the whole boat is subject to more wear, so basically there is(should) be no "dampening" of the keel
Most SIBs don't have much of a V-Keel anyway, though woodkeeled ones tend to have more than inflatable Keeled ones, thus working "better" in rough water.
The wooden Keel is heavier though, my 3.2 SIB weights 50 KGs unladen.

These boats are just SIBs though, they will never rival the rough-water performance of a proper RIB, but should be faster on flat water than a RIB of the same length with the same motorisation.
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