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Re: Tornado rigs? [Re: Mark P] #155401
09/20/08 05:27 PM
09/20/08 05:27 PM
Joined: Jul 2007
Posts: 976
France
pepin Offline
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pepin  Offline
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Joined: Jul 2007
Posts: 976
France
Quote
For those of you who haven't fallen asleep yet here's a photo of the 2008 ex-Olympic Tornado mainsheet system. Maybe in years to come we'll all be using cascade systems within the boom!
Interesting picture. Any insight on the purchase inside the boom? I'm guessing the dyneema line is routed around a block on the front of the boom and the yellow line pulls its end backward via a floating block?

Assuming something simple like this, 8/1 would be the purchase at the block at the end of the boom, but as the line is coming back to the beam it's adding another length to pull: 9/1?

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Re: Tornado rigs? [Re: pepin] #155402
09/20/08 05:41 PM
09/20/08 05:41 PM
Joined: May 2006
Posts: 954
Mumbles Y.C Wales U.K
Mark P Offline
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Mark P  Offline
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Joined: May 2006
Posts: 954
Mumbles Y.C Wales U.K
I can't be positive but it's probably between 12-15 to 1, I think the beauty of this internal cascade system is the extra purchase for less residual sheet and also the cost.
How it actually works has been explained to me but unfortunately I was at the bar at the time so now I haven't a clue <img src="http://www.catsailor.com/forums/images/graemlins/blush.gif" alt="" />


MP*MULTIHULLS
Re: Tornado rigs? [Re: Mark P] #155403
09/22/08 03:18 AM
09/22/08 03:18 AM
Joined: Dec 2006
Posts: 74
S
stuartoffer Offline
journeyman
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Posts: 74
Probably find it is actually 9:1 or 10:1. But much reduced windage at the rear of the boat

Re: Tornado rigs? [Re: stuartoffer] #155404
09/22/08 03:53 AM
09/22/08 03:53 AM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline
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Posts: 1,147
Bay of Islands, NZ
dug this up from the files. Before someone says it's there's thanks for blablabla : )

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