Echange de polaires (Exchange of polar)

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Echange de polaires (Exchange of polar)

Postby Olivier Zitoune RKN » Tue Nov 10, 2009 10:36 am

J échange mes polaires récoltées sur Vrtool avec celui ou celle qui me le fera savoir par email (clipper race)

Exchange my polar harvested Vrtool with one who will know me by email (clipper race)
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Re: Echange de polaires (Exchange of polar)

Postby omar » Tue Nov 10, 2009 11:10 am

Here is one :)

Image
This is the estimated polars for a 16th century portuguese nau.
Not much upwind speed..

more information> http://nautarch.tamu.edu/shiplab/Index_indianau00.htm
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Re: Echange de polaires (Exchange of polar)

Postby Olivier Zitoune RKN » Tue Nov 10, 2009 11:53 am

:lol: :lol: :lol: :lol: :lol:
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Polar studio

Postby omar » Tue Nov 10, 2009 5:24 pm

I developed a little program to work with polar databases .
Its called PolarStudio and can be downloaded from

http://www.tecepe.com.br/nav/vrtool/PolarStudio.zip

I included a set of polars for J/24.

Oh yeah... And you can use it to import VR vpp files
use menu option >File>Import..
Select multiple files vpp_1_*.csv at once:
"vpp_1_1.xml", "vpp_1_2.xml", "vpp_1_4.xml", "vpp_1_8.xml",
"vpp_1_16.xml", "vpp_1_32.xml", "vpp_1_64.xml"
(ignore vpp_1_256.csv)

Than use File> export to VRTool.
This will write the polars in vrtool merged format.

Individual Polar lines can be edited with the mouse
by moving individual points.you can create or delete
lines or sails.

Also check the external resources in this page:
http://www.tecepe.com.br/nav/vrtool/links.htm
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Re: Echange de polaires (Exchange of polar)

Postby Olivier Zitoune RKN » Wed Nov 11, 2009 11:16 am

Thank you for your help Omar, you're a leader.
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