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Old 15-06-2016, 14:42   #16
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Location: Australia
Boat: Modified Roberts 36' (stretched to 39')
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Re: new generation rope

Originally Posted by Snowpetrel View Post

Looks like there are plenty of options to add a nylon snubber and that float/drag trick really does work exceptionally well to damp peak loads and yawing, without the bounce associated with a long nylon snubber, kind of like a cars shock absorber.
The down side of using a float to provide spring in a mooring system is that when the float pulls down it generates a fairly substantial lifting force on the anchoring element. If the French are using fairly massive blocks or screw in anchors this is probably allowed for.

The up side is that this system has nothing dragging around on the bottom damaging corals or other seabed flora.

The mass and float system is used in offshore oil and gas fields so that boats don't have to drop anchors which might foul pipe lines.

Where perhaps five tons of anchor and chain will hold sufficiently, a 20 ton block of concrete would be used with the mass and buoy system. Definitely a permanent installation rather than a casual anchoring system.

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