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 Fin swing or wing performance at Nationals		  New Topic  Topic Locked
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Champipple
Master Marine Consultant

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USA
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Response Posted - 12/01/2007 :  07:24:53  Show Profile  Visit Champipple's Homepage
finally had a chance to look at the photos.

I don't think you can make that statement based on that particular photo.

Crew weight - a big contributor to pointability and sail trim are not top notch on the swingers
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Champipple
Master Marine Consultant

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USA
6855 Posts
Response Posted - 12/01/2007 :  07:29:22  Show Profile  Visit Champipple's Homepage
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Derek Crawford</i>
<br />Raising the swing keel while racing actually violates one of the racing rules. You are not allowed to "move ballast" or do anything to affect the boat's stability while.
We had quite a discussion on this in our PHRF Committee a while back - one guy suggested that merely raising the keel was not "moving ballast" as it didn't really change anything except to lessen the wetted surface. We told him that it affected stability, and if he didn't believe that to keep his keel cranked up when he went to weather!
As for speed differential with the keel up, I have no experience with the C25 but on our C22 raising the keel downwind increased speed around 1/2 to 3/4 knot.
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

In the world of canting keels, daggerboards and centerboards I would disagree that this violates RRS and think I could argue effectively in a jury room to that point. However I also think I could argue for the prosecutor in this too. Like I said earlier, any benefit is negligible.
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Dave Bristle
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Djibouti
10005 Posts
Response Posted - 12/01/2007 :  15:38:11  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by ClamBeach</i>
<br />Interesting things to note from the last photo...
2) Jib cross sheeted to crew on the high side, tailed by hand. (no winch handle = strong crewmember)
I'd try to get that big guy by the mast base out to the rail! :&gt;)
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">I don't see the cross-sheeting--just two wraps on the leeward winch and then straight to the trimmer. And yes, I think that big guy by the mast was at that moment <i>negative</i> ballast, and perhaps the reason the rail was under.
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Derek Crawford
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Response Posted - 12/01/2007 :  17:43:01  Show Profile
Duane - I don't understand how the modern designs with all those fancy keels get away with it. Maybe they get a special dispensation from the Archbishops...
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Champipple
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Response Posted - 12/02/2007 :  12:56:02  Show Profile  Visit Champipple's Homepage
I think that in a technical sense moveable ballast is considered as such only when it is unattached from the vessel and held in a hold. Not when it is actually part of the vessel. As opposed to putting the beer cooler to weather on a tack etc.

I think designers are trying to advance the sport, not be held back by the rules.
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takokichi
Captain

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USA
321 Posts
Response Posted - 12/21/2007 :  11:02:02  Show Profile
why is no one hiking?
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 12/21/2007 :  12:54:26  Show Profile  Visit Frank Hopper's Homepage
Hey buddy, where you been?
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Champipple
Master Marine Consultant

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USA
6855 Posts
Response Posted - 12/26/2007 :  23:32:58  Show Profile  Visit Champipple's Homepage
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by takokichi</i>
<br />why is no one hiking?
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

Because they haven't read the definition of hiking relative to Shear Lines in the Judges manual so they think hanging your legs over the side is against the rules

And as Frank politely stated I where the hell have you been
Edited by - Champipple on 12/26/2007 23:34:33
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.