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Old 10-22-2007, 04:35 AM   #1
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Is there a place for a furling main sail on a cruising boat?

How many of you have had to deploy a drogue or a sail sock in extreme conditions?

Do you prefer the drogue or the sail sock?

Just a couple of more questions in the process of Educating Duckwheat. Thanks in advance.
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Old 10-22-2007, 05:32 AM   #2
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Hi Duchwheat,

here are my, and I stress MY, opinions:

Is there a place for a furling main sail on a cruising boat?

I assume you mean some form of roller-furling.

Basically there are three types, the older rolling-boom type which has more-or-less been superceeded by other reefing methods. Then there are in-mast and in-boom reefing. Of the two, I would go for in-boom reefing as there is less weight aloft and the sail can always be taken down using the halyard even if the reefing system should fail.

How many of you have had to deploy a drogue or a sail sock in extreme conditions?

I have never had to deploy a drogue or sea anchor but favour the Jordan Series Drogue. The methodology behind it makes much sense.

Aye // Stephen
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Old 10-22-2007, 08:11 AM   #3
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Hi ducks,

Where do you find these questions !!! Like Stephen says - it depends !

The early furling main sails that furled in the mast had the potential to jam in the mast = panic.

The next "improvement" had a rod that turned just aft of the mast furling the sail on the rod - which also tended to jam when furling in strong winds = panic

In-boom furlers are/were ok on small boats - but as soon as this system was tried on big yachts the size of the boom had to be increased giving all sorts of problems.

The challenge of furling the main is faced with a couple of design issues; 1. Sails to be efficient are cut to provide lift like the wing of an aircraft - which means that when you are furling - the central part of the sail bunches up as more and more sail is wound onto the furling shaft;

2. Only very special battens can be rolled up with the sail - and as many modern sails depend on battens to provide shape - you cannot roll them into the mast.

Nowadays, many cruisers opt for simple "Lazy Jack Reefing' which can easily be made up and repaired) with some blocks and some line. 'Therapy' in an earlier topic linked us to :- http://www.ukhalsey.com/sails/cradledetail...adledetails.asp

This site shows the other development that improved on lazy jacks by adding a pocket into which the main could be dropped - it also doubles as a sail cover when closed.

-----------------------------------------------------------------------------------

I did some trials with drogues when I got a multihull - cannot remember the name - but the best was about 6ft in diameter, shaped like half a soccer ball.

History has shown that the efficient and timely use of drogues have been responsible for keeping the boat into the wind and/or waves - averting beam-on situations. In the case of multihulls - the drogue is deployed to slow the boat down and prevent pitchpoling.

The caveat is that if a drogue is be part of the boats safety equipment it must be readily available with all of of its bits attached, and equally important the crew must know how it should be deployed - early better than later. Some training and testing would not be wasted.

keep the ????s coming

Richard
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Old 10-22-2007, 12:37 PM   #4
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Duckwheat, what do you mean by a sail sock? *One of those long tubes run up the forestay to douse the jib? *Or the spinnaker? *
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Old 10-22-2007, 02:16 PM   #5
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The questions come up after reading some info or watching the furling main on another SV in the San Juan's. I meant Sea Anchor, not sail sock.

I am just learning from all of you. When I have a question just post. This is pretty amazing site where you have tutors spread out around the world.

I am in the middle of reading N. Calders Diesel engine care and feeding. I am going to brush up on the electrical systems next.

What is a good source for of learning how to use a sextant? Books, courses?

Pondering in the Potato state

Duckwheat
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Old 10-22-2007, 06:54 PM   #6
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Hi again Duckwheat!

I am just learning from all of you. When I have a question just post

Just go ahead and keep posting. This might be a learning experience for you but many others will also gain by it.

This is pretty amazing site where you have tutors spread out around the world.

I can but agree and suggest that this, I believe, is one of the main strengths of this forum

I am in the middle of reading N. Calders Diesel engine care and feeding. I am going to brush up on the electrical systems next.

Nigel Calder's book is as good as it gets. Good choice!

What is a good source for of learning how to use a sextant? Books, courses?

The hardest question today. The theory behind the use of the sextant is easily learnt from books. The art of astro-nav is not so easily learnt unless you have a special aptitude for maths. Of course one can learn to take and work out sights by using the "monkey see - monkey do" method. By this I mean one can work out sights by doing what one is told to do rather than understanding the underlying principles.

Using a sextant rerquires a bit of practise. It is soon learnt and there is nothing mystical about it. The important thing is to practise before heading off into the wide blue yonder and relying on your astronav skills.

Try reading up about the sextant and the theory of astronav. If you get stuck, post another question and I will try to help. A word to the wise though: forget the moon. It is so close to Earth that the altitude and, above all, hour angle changes so rapidly that you need to be pretty good and sharp at taking the time to get good position lines from it. to begin with, look to the sun and later to the stars and planets.

Pondering in the Potato state

Now, I spent years at sea as a professional navigator but I admit to not knowing which is the potato state. Enlighten me please!

Aye // Stephen
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Old 10-22-2007, 07:31 PM   #7
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Idaho potatoes?????????????????????????
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Old 10-22-2007, 10:09 PM   #8
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Quote:
Originally Posted by imagine2frolic View Post
Idaho potatoes?????????????????????????
Is this the variety used for making Vodka ? Stolen from the Russians ?
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Old 10-23-2007, 12:52 AM   #9
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See how much we can learn from this site?

Is an Idaho potato a variety like King Edward?

I like spuds!

David.
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Old 10-23-2007, 03:27 AM   #10
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Idaho is the King of Potatoes. Auzzie don't try one. You will turn your nose up at any other kind of potato. I live in Boise, the capitol

Thanks again.

DW
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Old 10-23-2007, 04:49 AM   #11
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Quote:
Originally Posted by duckwheat View Post
Idaho is the King of Potatoes. Auzzie don't try one. You will turn your nose up at any other kind of potato. I live in Boise, the capitol

Thanks again.

DW
What are they like when cut into fingers fried in lard served with fried cod sprinkled with malt vinegar and sea salt wrapped in newspaper and devoured with gusto then washed down with a cold lager???

Yum!!
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Old 10-23-2007, 01:48 PM   #12
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If ever you get the chance to try a purple potato from Chile they are a treat....
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Old 10-24-2007, 06:03 AM   #14
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Sorry for this really ignorant question but I am hoping one of you knowledgeable sailors will be able to help.

When writing about a cabin and a fo'c'sle can they be one and the same thing or must a cabin be referred to as just that?

Thank you very much in advance!

(and I can spell but I didn't check my sign on name before I hit enter )
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