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Old 16-01-2016, 01:07   #16
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Re: how to connect to a mooring on a cat?

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Originally Posted by Aqualibrium View Post
There are so many variables on this issue.
Displacement of cat
Windage
Tidal flows
Etc Etc Etc
Indeed. We have two approaches to using a mooring ball and it has a lot to do with the sea/wind conditions at the time.

If calm conditions, we'll pull the mooring ball line up over our crossbar and tie it to the centre cleat, keeping the ball positioned and just tight enough from hitting the hulls and also ensuring it doesn't go under the hulls removing my paint.

When winds and/or current pick up, we'll attach the (anchor) bridle, which is the correct method, as this then transfers the loads direct to the hull's strong points and provides a longer catenary to the clump weight which is also favourable.

Quite often we will shift between the two within a day or two with changing conditions, sometimes up in the middle of the night , but so be it.

Im not sure we need a 2nd bridle; not yet convinced of the argument for this, but this may be a vessel dependant requirement (?).

Also, don't loose the fact that you may have to pull off in a hurry and thus you want an easy to remove arrangement.

We also keep a 5mx12mm nylon braided line at the bow to attach to a mooring ball for additional length or to replace the existing (worn/damaged) one.
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Old 19-01-2016, 02:48   #17
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Re: how to connect to a mooring on a cat?

The problem with the moorings in the Whitsundays Islands is that the moorings do not have chain at the bottom and are simply screwed into coral. This means they have extremely long lines which come from the bottom of the buoy. We also hooked one around our rudder/prop when the current was opposite to the wind. Way too long! We ended up running our bridle through the loop under the buoy, but when tides were high this was a bit worrying. For next trip we will be taking a longer bridle for this purpose.
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Old 19-01-2016, 04:08   #18
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Re: how to connect to a mooring on a cat?

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Originally Posted by clownfishsydney View Post
The problem with the moorings in the Whitsundays Islands is that the moorings do not have chain at the bottom and are simply screwed into coral. This means they have extremely long lines which come from the bottom of the buoy. We also hooked one around our rudder/prop when the current was opposite to the wind. Way too long! We ended up running our bridle through the loop under the buoy, but when tides were high this was a bit worrying. For next trip we will be taking a longer bridle for this purpose.
I thought those moorings specifically instruct not to lengthen
so as to avoid swinging onto other boats?
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Old 20-01-2016, 17:52   #19
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Re: how to connect to a mooring on a cat?

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Originally Posted by Mirage Gecko View Post
I thought those moorings specifically instruct not to lengthen
so as to avoid swinging onto other boats?
We did not lengthen at all apart from putting a normal bridle on. We ended up shortening it as they are mostly all far too long for normal sized yachts and boats.
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