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Re: Asymmetrical
#2259
08/21/08 09:01 AM
08/21/08 09:01 AM
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Joined: Apr 2003
Posts: 649 Marblehead, MA
dbows
Senior Member
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Senior Member
Joined: Apr 2003
Posts: 649
Marblehead, MA
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Russ - what I did (without the pole setup) was run a tack line through a block at the base of the forestay, then have both spin sheets at the clew - then you can jibe. But my problem was that when we were on starbord reach the tack line would put a lot of load on the forestay. But with the pole up this would fix the issue.
What I have is a block that has a strop around the base of the forestay. This holds the tack line down. I think then you would run the tack up to the outboard end of the pole and it would work well and keep everything off the headstay. Aditionally it would free you to jibe and allow you to adjust the tack height.
Just some thoughts.
David #397
David Bows Mallorca - Hull# 397 ~~~~~_/)~_/)~~~~_/)~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~
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Re: Asymmetrical
#2261
08/25/08 12:23 PM
08/25/08 12:23 PM
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Joined: Nov 2006
Posts: 45 Detroit, MI
RobC222
Senior Member
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Senior Member
Joined: Nov 2006
Posts: 45
Detroit, MI
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Originally posted by Russ Atkinson: Well, so much for not having to tack an "A" sail. The sail is definetely fast and controlable on a beam to slightly forward of the beam reach in 15+ knots of wind (what we bought it for). But not being able to jibe cost us 1st in class as well as overall. Wind shifted aft about 2/3 of the way down the 2nd leg. Lost some speed with having the A sail up when the wind moved aft but nothing compared to sailing with our #2 while we get rolled by an Evelyn 32 as we re-ran lines to set up for a re-hoist of the Ace. Time for a re-think.
Russ, Noticed in last America's Cup, they gybed the sail, but not the pole, leaving it to leeward of the headstay. There is probably some video around on YouTube showing this.
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Re: Asymmetrical
#2264
08/29/08 12:10 AM
08/29/08 12:10 AM
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Joined: Nov 2006
Posts: 45 Detroit, MI
RobC222
Senior Member
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Senior Member
Joined: Nov 2006
Posts: 45
Detroit, MI
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Originally posted by Russ Atkinson: Bob, Thanks for the input. We plan to jibe similar to the A/C boats. We'll run two guys thru the eye of the outboard end of the pole. On the first jibe set, the pole will be trimmed away from the forestay. On the opposite jibe (assuming the we use the A sail) we will not jibe the pole; we'll simply trim it toward the forestay. We'll attach the tack of the sail directly to the pole off of a short line with a snap shackle to the pole. We'll run two sheets off the clew. We can adjust the pole back and up on one tack but only up on the oppisite tack. Seems complicated but I don't know how else to do it.
PS. Bob, Anna will be at the club Wednesday night to show off her Gold Metal! See you there. Russ, Sounds about like what I saw on the AC boats, but I don't know how the strop will work on the launch. Seems like you want the tack line attached at the bag pulling the sail out to the bow as its going up. Another string to pull, but with the number of crew I have been seeing on your boat, you should be able to handle it! Sorry to have missed Anna and Wildcat's season overall win celebration, but I was crying in my beer over my busted winch! Glad I had a ride home!
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Re: Asymmetrical
[Re: mango madness]
#10727
12/07/10 10:12 PM
12/07/10 10:12 PM
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Joined: Nov 2010
Posts: 147 Vancouver, BC, Canada
Vampire
Past Pacific Northwest District Governor
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Past Pacific Northwest District Governor
Joined: Nov 2010
Posts: 147
Vancouver, BC, Canada
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OK has any one taken this further? I am looking at putting in a new spin hoist sheave 1-2 ft up from the normal sheave and using a 5.5 sprit. I would be just under the J92 dimensions. I am sick and tired of the sprit boats passing me on long reaching races. I kill them up wind but as the wind goes aft in PHRF racing the chance of winning falls behind as well.
any one have helpful info to provide before I start cutting checks.
Vampire #18 Don Bite Me
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