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Old 10-12-2012, 19:33   #121
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Re: Series Drogues & Heaving To

There have been 2-3 suggestions for drogue retrival from a stern bridal setup.

We do not have this very well down (I suppose it varies for each boat) therefore any additional suggestions from people who have had multiple retrievals or set-ups- for- easier retrieval would be welcome.

Thanks
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Old 10-11-2014, 10:00   #122
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US Coastguard: Series drogue is the best. Anchors are dangeours

Series Drogue, ocean survival

Read what the US coastguard thinks - maybe it will answer many of the perceptions here.
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Old 10-11-2014, 18:26   #123
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Re: US Coastguard: Series drogue is the best. Anchors are dangeours

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Originally Posted by fstarocka View Post
Series Drogue, ocean survival

Read what the US coastguard thinks - maybe it will answer many of the perceptions here.
Having studied this at length and in personal discussion with Pardys at the Chicago boat show, we conclude a series drogue is the only possible device we could deploy from our 58 foot 35 ton ketch, but only as a last ditch - to be avoided - method. Ours is a classic designed (1984) with narrow stern and long overhangs; modified full keel and only 6'-7" draft. As noted in the CG report, the loads can be very high. They evaluated a series drogue with 80 cones. The calculation for us is 180 cones with three end-to-end lines joined starting at 1 inch diameter and 500 feet long. This would surely tear any object on deck from the boat in short time. Storage would be difficult; deployment dangerous; retrieval nearly impossible. Pardys agree that there is a practical limit to any system. This one is not for us. I have their "STORM TACTICS" which I recommend to anyone sailing offshore. Our boat does fore-reaching and the hull shape lays a nice slick. The best plan is to not be in a storm. Jimmy Cornell at the same show noted that he was able to plan well enough to never have had do deal with a boat crushing storm.
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Old 11-11-2014, 09:29   #124
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Re: Series Drogues & Heaving To

Quote:
Originally Posted by silverp40 View Post
There have been 2-3 suggestions for drogue retrival from a stern bridal setup.

We do not have this very well down (I suppose it varies for each boat) therefore any additional suggestions from people who have had multiple retrievals or set-ups- for- easier retrieval would be welcome.

Thanks
What we do (normally) is lead the main rode to our genoa winch - where it can simply be winched in for retrieval. And tie a spare sheet (75' long) to the main rode (with an icicle hitch) to form the bridle and lead that to a strong point on the other transom corner to form the bridle. The bridle is important to center the drogue, otherwise the drogue jerks on one corner of the boat and can unsettle the steering.

There is some theory that our genoa winch is not strong enough for truly extreme breaking waves, so we have a strong point also on that size that we can secure the rode to - we would leave it on the winch, but again secure a short line to it and to the strong point)

That's worked for us. we sometimes put out 600' of rode, and it does take time to winch all that back in, especially if we are still making way and it is still under load, but it's no problem, just a bunch of simple physical work.

We have tried using the electric anchor windless to winch it back in, but when accelerating down the fronts of waves it will stall the windless. And in some drogue tests on Dashew's boats we burned out an electric winch during retrieval. So manual winches seem the slow but simple foolproof way.
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