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Old 04 December 2008, 10:21   #11
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Originally Posted by codprawn View Post
ILBs are rigged for very fast anchor deployment and have a big winch in front of the console to get it back in again.

Which ILB is that then?
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Old 04 December 2008, 10:22   #12
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Originally Posted by codprawn View Post
Looking at this brilliant video though it makes me wonder

Did they use a drogue or sea anchor?

I doubt it somehow. A situation like that is NOT the place to use one. If you are in danger of being swept onto the shore in shallow water you use an anchor - a proper one!!!

ILBs are rigged for very fast anchor deployment and have a big winch in front of the console to get it back in again.
The sea anchor will hold you head to sea, a drogue is deployed off the stern to slow your speed.

The reason the sea anchor was deployed was to hold the boat head to weather, it can be deployed loads quicker as its already tied off in the bow, all you do is open the lid and throw it over the side prefrably running through the fairlead.

If the crew had used the anchor they may not have got a bight and the boat end up ashore, it takes longer to deploy the ground anchor. Atlantics don't have a winch to recover the anchor, it needs pulling in by hand where it is coiled on the drum mounted infront of the console.

The crew were trained for what happened and recovered the situation.
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Old 04 December 2008, 10:49   #13
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I apologise - I thought the drum could also be used as a low powered winch - ie - a giant fishing reel.
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Old 04 December 2008, 10:54   #14
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Originally Posted by Jono Garton View Post
A "Sea Anchor" is a great bit of kit in situations like this connected to the bow, by personal experience I found that a "Sea Anchor" recommended for a 30ft Yacht is not suitable for a 5.5m - 6.5m RIB, I now use one recommended for a 50ft yacht with 5 x the boats length of warp.

It could also be used as "Drogue" with a displacement boat or semi displacement boat being towed from the stern with a 2nd line (tripping line) in a following sea to stop the boat broaching.

Jono
whats the physical difference between a sea anchor & a drogue? could not one desigh do 2 jobs?
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Old 04 December 2008, 11:01   #15
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whats the physical difference between a sea anchor & a drogue? could not one desigh do 2 jobs?
No physical difference apart from the lines attached. Yes it could do 2 jobs, this is what we do on our All Weather Lifeboat which can only do 17 knots.

However on a rib there is no need to use a Drogue. A rib can normally be in much more control in a following sea staying on top of the wave and not letting the wave go faster than the rib.

Jono
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Old 04 December 2008, 13:16   #16
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I apologise - I thought the drum could also be used as a low powered winch - ie - a giant fishing reel.
No worries mate, all the reel has is a handle which goes directly into the middle of it meaning its not geared at all.

If you have a look at the other vids from the same user they is one of the Atlantic smashing into the tractor during a net recovery!
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Old 04 December 2008, 13:31   #17
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From memory Rye Harbour was the biggest single loss of RNLI lives in the 1930's, their boat capsized on the Harbour Entrance and all the crew were lost.
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Old 04 December 2008, 15:31   #18
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Thanks for the explanation lads!
So when equipping out my next boat and remembering room is important would I be best just getting a sea anchor or sea anchor and drogue?
Quality info
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Old 04 December 2008, 15:32   #19
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Why?

Wondering why an Atlantic was out in this sea state and dunking the engines like this.

Is this standard training, or were they on a rescue?

Seems odd to do this to such important kit, having said that, it shows clearly the benefit of a sea anchor.

Great video and very informative.

TP.
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Old 04 December 2008, 15:38   #20
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So, cat and pigeon time. Can a large plastic basin/drum/bucket with an appropriate hole in the bottom be used as a sea anchor? Just asking...
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