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Go Back   SailNet Community > On Board > Gear & Maintenance > jordan series drogue
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Topic Review (Newest First)
08-04-2011 10:14 PM
funjohnson If I understand the idea of the series drogue correctly... It is to always have controlled pressure on the line, and some of the cones will always be in the right area of the wave and not pull out of the face.

Couldn't similar control be made with 5 or 6 larger drogues in series? If you used 10, 15 or even 20 larger drogues, you would be able to use a winch to pull the line back in with no problem, stopping at each cone to pull it across the winch without ripping it.
08-04-2011 02:46 PM
smackdaddy
Quote:
Originally Posted by popmeeye View Post
looking to buy one before I seriously cruise in the next couple years. Anyone tried using a boatlength trailing line to bring the JSD to the windlass spinning the boat once the waves and winds have died to say sub 30 knots? Basically use the bow height and wave action to raise more of the chutes out of the water. Also be kind of lazy with an electric windlass?
This is actually what Hal Roth talks about in his "Handling Storms at Sea" book. He says you just have to be careful that the windlass doesn't chew up the cones.

Here's a link where we were talking about it...

http://www.sailnet.com/forums/seaman...ailing-45.html
08-04-2011 02:14 PM
Zanshin Tomaz - I built my own Jordan and can confirm that a tripping line inside the cones wouldn't work. I have 132 of them any twist at all would make that idea untenable, although it would be nice to have an easy retrieve. Float, as mentioned earlier, aren't the way to go since there is supposed to be a heavy weight at the end (an anchor or the like) plus you want the drogue to be below the level of any white water. If the floats are attached with lines then one is back into the entanglement scenario again.
08-04-2011 01:29 PM
casey1999
Quote:
Originally Posted by Valiente View Post
Maybe I'm being a little dense here.

Given the general idea is free and the fact that one can make them with six hours of effort on a sewing machine, is it ridiculous to consider them disposable post-storm? I wouldn't want to dump a para-anchor-type sea anchor (too expensive) but a Jordan series drogue is simply a hundred cloth cones on the sort of line you can easily replace.

Or am I missing something?
With a comment like that you probably should not be on the water. Do you know how many whales each year get caught in marine debris? Do you know how much effort is spent freeing whales each year from marine debris? Do you think the ocean is a dump? I hope you don't throw your plastic trash in the ocean, and if you do, I hope the coast guard is watching. If you go to sea be responsible for your own junk.
08-04-2011 12:57 PM
popmeeye looking to buy one before I seriously cruise in the next couple years. Anyone tried using a boatlength trailing line to bring the JSD to the windlass spinning the boat once the waves and winds have died to say sub 30 knots? Basically use the bow height and wave action to raise more of the chutes out of the water. Also be kind of lazy with an electric windlass?
10-29-2009 11:23 AM
smackdaddy I floated another more extensive thread about the JSD that has some great discussion about it. As I say there, I'm not yet convinced. But that's just speaking theoretically - with absolutely no experience whatsoever...which, of course, makes me an expert.
10-29-2009 10:50 AM
casi Tie a buoy on a long buoy line to the anchor/weight at the end of your Jordan Series Drogue.

The buoy line should be longer than your drogue. 3/8" polypropylene line should work for a 40' boat.

The buoy should be a small lobster/fishing type buoy. Make sure that its much too small to lift your drougue's anchor/weight.

Pick up the buoy by throwing a grapple at the end of a line as your sailing past the buoy and then heave to. If conditions are too rough to pick up the buoy, then you should not be sailing until its less rough.

If you do not practice deploying and retrieving your drogue in calm weather then your not safe.
10-28-2009 04:52 PM
SailorNate Tager, Kaniksu, the weight on the end of the JSD rises and falls as necessary to prevent slack from forming in the line. This greatly dampens shock loads on the attaching hardware by preventing slack from accumulating in the bridal. I am unable to find my reference at the moment but suffice it to say shock loads are huge and are the second most likely mode of failure (chafe being #1) The two (chafe and shock load) often work in tandem.

I like the idea of a ring with some sort of drogue that pulls it to the end of the JSD to recover it. If you can keep it from snagging and tearing cones, and if it can pull itself down to the weighted end (remember the boat is very slow, its attached to the JSD) this sounds like a winner.

Nate
10-25-2009 04:32 PM
tager Why not make a tripline of some floating line? It seems that this would not interfere with the submerged cones.
06-24-2007 08:30 PM
sailingdog Kaniksu-

If you knew how the JSD worked, you'd realize that buoying the weight at the end will prevent it from working properly.
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