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Lightest 4.2 sail
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U2U2U2



Joined: 06 Jul 2001
Posts: 5065
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Mon Jul 09, 2018 10:39 pm    Post subject: Reply with quote

isobars wrote:
My opinion after testing hundreds of sails and owning another 100+ is that a modern rig's perceived weight depends more on aerodynamics than on its mass.


So does mine, but thatís not the question

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isobars



Joined: 12 Dec 1999
Posts: 19255

PostPosted: Tue Jul 10, 2018 12:20 am    Post subject: Reply with quote

We don't know that. Many sailors think rig weight is what we feel under sail.

That said, I overlooked a major contributor to a sail's feel: tuning. Too little downhaul often makes sails feel very heavy; another cm or inch of DH can make it feel much lighter.
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gvogelsang



Joined: 09 Nov 1988
Posts: 433

PostPosted: Tue Jul 10, 2018 7:25 am    Post subject: Reply with quote

swchandler wrote:
In 4.2 conditions, why would sail lightness be an important consideration? I have to agree with gvogelsang, the quality of your mast and boom factor greatly into the equation, yet one could ask, what are the conditions and your sailing focus?


I have a feeling that the OP was looking for a light sail for a beginner girl friend, or a young person.
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U2U2U2



Joined: 06 Jul 2001
Posts: 5065
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Tue Jul 10, 2018 7:52 am    Post subject: Reply with quote

isobars wrote:
We don't know that. Many sailors think rig weight is what we feel under sail.

That said, I overlooked a major contributor to a sail's feel: tuning. Too little downhaul often makes sails feel very heavy; another cm or inch of DH can make it feel much lighter.


The OP has been a forum member for 18years. I think he said what he meant to say. Lightest 4.2

This would be a number, not a subjective expression that could be interpreted by multi sailers. So Kevin Prichardís lightest and Andy Brants could be different, whereby a weight number is a number, only disputed by a lower number.

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techno900



Joined: 28 Mar 2001
Posts: 3467

PostPosted: Tue Jul 10, 2018 8:25 am    Post subject: Reply with quote

Another way to look at it is that when hooked in and balanced while reaching in planing conditions, there is little difference between an 11.0 and a 4.0.

It's the transitions, gusty winds, and getting started where the light stuff is nice.

Over simplified, but just something to think about.

And I sail both sails and many in between.

Unless the question relates to uphauling for a beginner, then the weight variations for a 4.0 seem inconsequencial.
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dvCali



Joined: 23 Aug 2007
Posts: 1061

PostPosted: Tue Jul 10, 2018 9:38 am    Post subject: Reply with quote

swchandler wrote:
In 4.2 conditions, why would sail lightness be an important consideration? I have to agree with gvogelsang, the quality of your mast and boom factor greatly into the equation, yet one could ask, what are the conditions and your sailing focus?

Because weight is bad no matter what? And for people in my weight range (160 pounds) or less, most women, 4.2 is not such a small sail ...
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hoodvista



Joined: 23 Sep 2000
Posts: 28

PostPosted: Tue Jul 10, 2018 12:03 pm    Post subject: Reply with quote

What I'm actually looking for now is the lightest 4.7 I can find which will rig on a 370 mast. This is for efficiency in getting on a plane by riding down swell in light wind like 18 mph. I like to get on a plane using this technique as opposed to muscling a giant sail.
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techno900



Joined: 28 Mar 2001
Posts: 3467

PostPosted: Tue Jul 10, 2018 12:14 pm    Post subject: Reply with quote

I weight 166 and am 73 years old. No big deal handling 9.2 sail in 15-20 mph on my formula board. (my 11.0 has a pretty small range, so I don't use it anymore in my gusty conditions).

When I get down to my smaller sails (5.2, 4.5, 4,0), a half pound difference between any sail in those sizes is a non issue. Technique (and board size) is the determining factor in early planing, not a few ounces of sail weight.

With that said, go for the lightest thing you can find, but it's not going to get you planing any faster than a slightly heavier sail.


Last edited by techno900 on Tue Jul 10, 2018 1:07 pm; edited 1 time in total
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U2U2U2



Joined: 06 Jul 2001
Posts: 5065
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Tue Jul 10, 2018 12:30 pm    Post subject: Reply with quote

hoodvista wrote:
What I'm actually looking for now is the lightest 4.7 I can find which will rig on a 370 mast. This is for efficiency in getting on a plane by riding down swell in light wind like 18 mph. I like to get on a plane using this technique as opposed to muscling a giant sail.


I dont find a 4.7m that rigs on a 370 mast.
Either HSM KS3,4.6m OR KSSpider 4.6m rigs on a 370, grenade close.

Wander over to NorthWave and have them build you a 4.7 that works on a 370 instead of a 400.

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hoodvista



Joined: 23 Sep 2000
Posts: 28

PostPosted: Tue Jul 10, 2018 12:55 pm    Post subject: Reply with quote

Techo900, we obviously have very different styles. I have no problem getting on a plane in 20 mph on my 4.2 Maui Sails and 370 carbon mast. In 18 mph, I feel much more weighted down with my 4.7 Maui Sails and 400 carbon mast. In light wind like this I can plane up easier on my 4.2 than my 4.7. Btw, I weigh about 170 lbs.
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