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Optimal settings for seat harness lines and boom height
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isobars



Joined: 12 Dec 1999
Posts: 18325

PostPosted: Mon Sep 18, 2017 10:18 am    Post subject: Reply with quote

kmf wrote:
No one here has arms that only reach 15 inches from their chest....

No one here runs their hook at shoulder (the base of their arms) height, either. There's a triangle involved.

I've seen no hyperventilation, and the difference between straight/locked arms and a 10-20 degree elbow flex is significant in many ways.
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westender



Joined: 02 Aug 2007
Posts: 994
Location: Portland / Gorge

PostPosted: Mon Sep 18, 2017 10:52 am    Post subject: Reply with quote

Ittiandro, there is a perfect set up. Your challenge to be a great sailor is to quickly figure out what that is every time you rig up and hit the water hoping to get things as close as you can with all your gear. If the wind was perfect it would be much easier. Since it's usually not, we use our skills to compensate for things being less than perfect.
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sl55



Joined: 03 Aug 2007
Posts: 99

PostPosted: Mon Sep 18, 2017 2:26 pm    Post subject: Reply with quote

Well written with pictures:
https://issuu.com/arcwindltdpublishing/docs/harty319sept
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isobars



Joined: 12 Dec 1999
Posts: 18325

PostPosted: Thu Sep 21, 2017 2:55 pm    Post subject: Reply with quote

westender wrote:
Ittiandro, there is a perfect set up.

Only once the sailing style, venue, board, wind quality, rider's ergonomics and preferences, point of sail, fin, and many more variables are specified in great detail.
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mamero



Joined: 25 Aug 2013
Posts: 215
Location: Vancouver, Canada

PostPosted: Thu Sep 21, 2017 11:34 pm    Post subject: Reply with quote

Didn't we already go over this topic quite thoroughly not that long ago.

HARNESS LINE LENGTH and SEAT Harnesses
http://www.iwindsurf.com/forums/viewtopic.php?t=32254&sid=c1a8a941270f02bd7082731dcbaa14ba
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gronquist



Joined: 12 May 2000
Posts: 64

PostPosted: Fri Sep 22, 2017 1:02 pm    Post subject: Reply with quote

[quote="sl55"]Well written with pictures:
https://issuu.com/arcwindltdpublishing/docs/harty319sept[/quote

great article!
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techno900



Joined: 28 Mar 2001
Posts: 2794

PostPosted: Fri Sep 22, 2017 2:41 pm    Post subject: Reply with quote

As has been shared before, but there are too many variables that influence how one sets his/her boom and lines to offer a definitive response. Consider:

Variable or steady winds - hooked in while slogging
Type of sailing - wave, freeriding, freestyle, slalom, racing
Type of board - Longboard, formula, widestyle, slalom, wave (small boards)
Size of sail - Generally, bigger = higher boom / smaller = lower boom
Body height
Waist or seat harness
Arm length
PERSONAL PREFERENCE

It's much like asking where to set the mast base in the track. Start in the middle and experiment to see what works best for you with your style of sailing.
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isobars



Joined: 12 Dec 1999
Posts: 18325

PostPosted: Fri Sep 22, 2017 6:26 pm    Post subject: Reply with quote

mamero wrote:
Didn't we already go over this topic quite thoroughly not that long ago.

Many times.
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joethewindsufa



Joined: 10 Oct 2010
Posts: 879
Location: Montréal

PostPosted: Sat Sep 23, 2017 4:59 am    Post subject: Reply with quote

patience , patience - oh wise one Smile
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isobars



Joined: 12 Dec 1999
Posts: 18325

PostPosted: Sat Sep 23, 2017 12:23 pm    Post subject: Reply with quote

techno900 wrote:
Size of sail - Generally, bigger = higher boom / smaller = lower boom

In my case, I set my boom height with the same knot in the same string whether it's my 3.2 or my 6.2. After all, my sailing style and my ergonomics haven't changed; only the swell size is really different ... we hope. It might be a different story if my 6.2 were a slalom sail and I sailed it differently than my 3.2 wave sail.
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