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 Post subject: Help in Tacking the AI
PostPosted: Thu Jul 22, 2010 5:27 pm 
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I've had my AI out several times now, in various conditions and I am still having some difficulty in completing the tack without peddling. I could use some suggestions. Also, what position should the drive be in while sailing? I've been keeping it with one peddle to bow and one to stern. Thanks to all for sharing their knowledge.

Rez
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PostPosted: Thu Jul 22, 2010 6:48 pm 
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There is a lot of drag and windage when tacking the AI... the boat slows, best to pedal right through the tacks. Its not cheating! :)

You can do it, but maybe on flatter water is easier.

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PostPosted: Thu Jul 22, 2010 7:05 pm 
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Matt's right, it's not cheating. I've been able to tack without pedalling, so it is possible, but doesn't work flawlessly for me all the time. I use the pedals quite often to get me up to speed. It takes a lot of force to get something moving, but less force to keep it moving, so by pedalling through the tack, and slightly beyond, you bring the boat up to speed quicker, and allow the wind to just keep you moving, instead of having to start you up again.

Pedals are part of the fun for me. In bigger winds, I sometimes pull the drive and use the plug, but if it's a bit gusty or calm, it's easier and just as enjoyable to sail with the pedals.

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PostPosted: Thu Jul 22, 2010 7:21 pm 
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I agree with Matt and augaug. The pedals and sail can compliment each other really well if used together properly.
If you are keen to sail without the pedals, it's possible to tack in winds of about 5-12 knots as long as you ease right off on the mainsheet as you come into and through the wind. Much less than that and the boat tends to just come to a halt. Much more and the sail luffs like crazy, which must be bad for it. If you get caught in irons in moderate to high winds, you can reverse the rudder and sit there ignominiously waiting for the boat to be blown backward, which will complete the tack.
One way that always works is to gybe and travel around through 270 degrees, instead of tacking through 90 degrees. By my testing, it takes 30-45 seconds longer than a successfully completed tack, but it's infinitely faster than an unsuccessful tack. It also feels faster, even if it's not.

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PostPosted: Thu Jul 22, 2010 8:01 pm 
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The TI with it's additional mass is easier to tack most of the time without pedals, but the AI takes much more skill and luck to do it often.

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PostPosted: Thu Jul 22, 2010 9:32 pm 
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A little trick I use is reaching up with my free hand and putting pressure against the sail... that "back winds" the sail slightly, keeps the luffing under control and brings the boat about a little quicker... it works for me...

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PostPosted: Fri Jul 23, 2010 12:29 am 
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Cool trick. Also related to the old "head tack" trick.

Try pushing it across with your noggin, you will have less chance of tearing the fragile sail window and edge. Plus you can keep your hands on the sheets and control tiller.

If needed, another trick is to hike up on the gunnels or tramps before and after the tack. I think this causes the upwind Ama to bite in and helps turn you sharper. As the turn completes, jump to the opposite rail or tramp and watch the wind fill your sail.

It must be done smothly. With 2 people and tramps, you can simply alternate positions in the cockpit. Good fun. Like real sailing.

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PostPosted: Fri Jul 23, 2010 5:23 am 
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That's using your noggin...

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PostPosted: Fri Jul 23, 2010 7:05 am 
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Location: Plant City, Fl.
wind below 5 knots



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PostPosted: Fri Jul 23, 2010 4:20 pm 
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Hi Rez. A bit was written on this very issue a while back which helped me out.

viewtopic.php?f=71&t=14234&p=78585&hilit=jibe#p78585

Hope it helps you too.

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PostPosted: Mon Jul 26, 2010 9:15 am 
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Thanks all for the rapid response. I've no problem powering through the tack with the drive. I just wanted to be able to tack without the drive and do it smoothly. I'll give some of the suggestions a try.

Rez
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PostPosted: Wed Aug 04, 2010 10:30 am 
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Location: Seattle, WA and more times than not, Camano Is, WA USA
I have to say, the difference between tacking and gybing on this post and the previous post, has used up a lot of my brain time in the past few weeks.
The way I understand it is..... Gybing or tacking is used when you want to turn your boat around. To gybe is when you turn your boat into your full sail to turn around. This is the way I usually turn. It's fast 4-5 sec. To tack is when you turn your boat into the wind to turn around.
I figure I can count on any one of you to tell me if I'm correct or not. Wasn't it Einstein who said, "You are sure you know something if you can explain it to your Grandmother."? :lol:

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PostPosted: Wed Aug 04, 2010 10:49 am 
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Fly'n C Lion,
Another way to think about a tack and gybe...the bow (front) of the boat crosses the wind when you tack...the stern (back) of the boat crosses the wind when you gybe...use a tack when you're sailing upwind...use a gybe when your sailing off the wind (downwind)...hope that helps

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PostPosted: Wed Aug 04, 2010 10:55 am 
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Easiest to remember is:

Tacking is moving the bow across the wind and

Jibing is moving the stern across the wind.

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PostPosted: Wed Aug 04, 2010 1:58 pm 
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Location: Seattle, WA and more times than not, Camano Is, WA USA
Whoowww Whoooo :!: You guys did it!!!! It is now set perfectly in my mind. :D So simple! Thank you.

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