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 Post subject: How to point higher
PostPosted: Thu Jul 10, 2008 7:11 am 
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Joined: Sun Aug 26, 2007 5:56 pm
Posts: 132
Location: Upstate, South Carolina
As I learn my H16 more and more, I now get interested in actually tuning it and sailing it better. :-)
A lot of information is about it here, yet I want to describe my situation so that I get a better understanding.
So over the last weekend my wife and I were out. The wind was between 10 to maybe 15 mph at times (no white caps at any moment).
My shrouds were in the third hole from the bottom. Main sheet was 3 inches between the blocks, traveler out about a foot. Tell tails on jib and main were all straight. Downhaul was pulled somewhat tight.
With that setup we had the highest speed going upwind.
What I kept noticing was that other monohulls going in the same direction were pointing much higher than us did.
As soon as I tried to pull traveler in, jib in, main sheet block to block, and turn closer to the wind, I was immediately loosing speed. So I had to bear away, release traveler and main sheet to the set up I mention.
What did I do wrong and what should I try to play with for better upwind sailing?

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Hobie 16
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 Post subject:
PostPosted: Thu Jul 10, 2008 9:32 am 
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Joined: Mon Aug 07, 2006 1:40 pm
Posts: 212
Location: Ontario, Canada
Its inevitable. The closer you go to the wind the slower you're gonna get.
More mast rake will help you go higher. Monos can typically point higher than we can anways.

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 Post subject:
PostPosted: Thu Jul 10, 2008 10:24 am 
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Joined: Mon Jul 14, 2003 7:11 pm
Posts: 5198
Location: Detroit, MI
Pointing is not the be-all, end-all.

VMG (Velocity Made Good) is. VMG is the component of your velocity towards the wind.

Image

If you go proportionately faster by not pointing (footing - which the 16 loves to do), you'll still get to the weather mark first.


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 Post subject:
PostPosted: Thu Jul 10, 2008 11:37 am 
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Location: Upstate, South Carolina
All right. I guess this is what I wanted to get confirmed that a monohull can point higher than a multihull.

I agree, as long as I can move faster, then pointing does not matter that much.

thanks guys!

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Yuri
Hobie 16
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 Post subject:
PostPosted: Thu Jul 10, 2008 12:00 pm 
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Joined: Tue May 27, 2003 12:44 pm
Posts: 15090
Location: Oceanside, California
From a recent post in the 14 section... same issue.

Quote:
In the past, I've always just sheeted in as far as I could and pointed as high as the conditions would allow. The boat always felt constrained and held back


Yes, bearing off for speed and then coming back up as far as possible is the trick. You can not point high sheeted tight and pinching. You have to have some boat speed. Otherwise the boat crabs sideways more. Plus the sheeting is likely stalling the boat speed.

Image

Image

Tell tails in the upper third of the sail really help to tune the sheeting. It is easy to over sheet. You need to pay attention to the air flow in that area. Tails at the leach should flow aft and hook behind the sail alternately.

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Hobie Cat USA
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 Post subject:
PostPosted: Thu Jul 10, 2008 12:29 pm 
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Location: Upstate, South Carolina
Oh, I see. I don't have tails on the leech. I guess I will install them.

Can you please explain what does "hook behind the sail alternately" mean? :oops:

I understand they need to fly straight aft as in the picture, but what is "hook" here?

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Yuri
Hobie 16
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 Post subject:
PostPosted: Thu Jul 10, 2008 10:12 pm 
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Site Rank - Old Salt

Joined: Sat Jul 02, 2005 9:47 pm
Posts: 614
Location: San Diego
If you have old plastic rudders, buy a set of EPO2 carbon rudders. The rudders on the Hobie 16 act as daggerboards so old soft injected plastic rudders will not make the boat reach its full potential. A helm with little or no tiller load means your stiff rudders are taking the load and will help you to point better.


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 Post subject:
PostPosted: Fri Jul 11, 2008 6:05 am 
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Joined: Sun Aug 26, 2007 5:56 pm
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Location: Upstate, South Carolina
Oh, my rudders are good - EPO2 Kevlar. Thanks for advice though.

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Yuri
Hobie 16
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 Post subject: Apparent Wind
PostPosted: Fri Jul 11, 2008 2:08 pm 
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Joined: Fri Aug 18, 2006 1:11 pm
Posts: 313
Location: West Point, Utah
What you are doing by falling off and building speed and then pointing up is to build apparent wind speed. Then as you point higher you can maintain that apparent wind at the higher angle. The instant you begin to slow down, you need to fall off again and do it all over again. Go Fat, Get skinny, slow down, get fat etc...


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 Post subject:
PostPosted: Fri Jul 11, 2008 4:03 pm 
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Joined: Tue May 27, 2003 12:44 pm
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Location: Oceanside, California
Tell Tails flowing off the leech straight aft would indicate that you are under sheeted typically.

If you sheet in too hard, the air flow comes across the sail and around to the back side "hooks" behind.

Good sheeting is a balance of the two... a little of both. Back and forth flowing aft then hooking and then straight aft.

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Matt Miller
Former - Director of Parts and Accessory Sales
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Hobie Cat USA
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 Post subject:
PostPosted: Sat Jul 12, 2008 5:06 am 
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Joined: Sun Aug 26, 2007 5:56 pm
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Location: Upstate, South Carolina
A-ha! Now I got it. Thank you for explanation!
Well, I'm definitely ordering a set of tails to put on the leech.

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Yuri
Hobie 16
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