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U2U2U2
Joined: 06 Jul 2001 Posts: 5467 Location: Shipsterns Bluff, Tasmania. Colorado
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Posted: Mon Jul 09, 2018 10:39 pm Post subject: |
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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 that’s not the question _________________ K4 fins
4Boards....May the fours be with you
http://www.k4fins.com/fins.html
http://4boards.co.uk/ |
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isobars
Joined: 12 Dec 1999 Posts: 20935
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Posted: Tue Jul 10, 2018 12:20 am Post subject: |
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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: 435
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Posted: Tue Jul 10, 2018 7:25 am Post subject: |
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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: 5467 Location: Shipsterns Bluff, Tasmania. Colorado
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Posted: Tue Jul 10, 2018 7:52 am Post subject: |
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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 Prichard’s lightest and Andy Brants could be different, whereby a weight number is a number, only disputed by a lower number. _________________ K4 fins
4Boards....May the fours be with you
http://www.k4fins.com/fins.html
http://4boards.co.uk/ |
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techno900
Joined: 28 Mar 2001 Posts: 4166
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Posted: Tue Jul 10, 2018 8:25 am Post subject: |
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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: 1314
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Posted: Tue Jul 10, 2018 9:38 am Post subject: |
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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
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Posted: Tue Jul 10, 2018 12:03 pm Post subject: |
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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: 4166
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Posted: Tue Jul 10, 2018 12:14 pm Post subject: |
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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: 5467 Location: Shipsterns Bluff, Tasmania. Colorado
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Posted: Tue Jul 10, 2018 12:30 pm Post subject: |
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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. _________________ K4 fins
4Boards....May the fours be with you
http://www.k4fins.com/fins.html
http://4boards.co.uk/ |
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hoodvista
Joined: 23 Sep 2000 Posts: 28
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Posted: Tue Jul 10, 2018 12:55 pm Post subject: |
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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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