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Post by tonygibson on Dec 8, 2011 0:15:10 GMT
Hi all, For those interested, I have obtained copies of polar diagrams for the SunOdyssey 39i (standard GTE, performance TGTE) following contact with Eric Levet at Marc Lombards office in La Rochelle, contact details as below: Eric LEVET eric.levet@marclombard.com Skype: eric.levet.bureau
MARC LOMBARD ARCHITECTURE NAVALE Le Sextant, Rue de la Trinquette 17000 LA ROCHELLE +0033 (0)546453030 archinaval@marclombard.com
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Post by Phantom on Dec 9, 2011 23:58:08 GMT
I am not able to find the link to open for the SO39i-Performance polar diagrams.
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Post by tonygibson on Dec 26, 2011 12:23:19 GMT
Attempting again to attach a copy of Polar diagrams for SO39i Performance Attachments:
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Post by tonygibson on Dec 26, 2011 12:26:57 GMT
That worked, now the polar diagrams for the SO 39i Standard. It appears only one file can be added at a time to a posting. Attachments:
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Post by tonygibson on Dec 26, 2011 12:28:53 GMT
This time the Excel spreadsheet data for both SO39i Polar diagrams. Thanks again to Eric Levet at Mark Lombard's office Attachments:
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Post by nornaj on Dec 26, 2011 16:53:27 GMT
Thank you!
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Post by a3pilot on Apr 13, 2012 23:25:10 GMT
(standard GTE, performance TGTE)
What GTE TGTE stand for??
Thank you! Terry
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Post by MalcolmP on Apr 14, 2012 8:45:49 GMT
(standard GTE, performance TGTE) What GTE TGTE stand for?? Thank you! Terry It was easy when there was just standard and shallow draft, but the performance option could have an optional 2.2m draft, These are the specs: standard GTE Grand Tirant d'eau standard 2,00 m performance TGTE Grand Tirant d'eau performance 2,20 m PTE - lest court Petit Tirant d'eau 1,50 m
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Post by a3pilot on Apr 14, 2012 15:03:46 GMT
Thank you for your prompt response
Am only asking cause i have an app for the ipad iregatta which you can enter your polar table and give you optimal tacks etc for a given waypoint
Am planing to participate on a regatta with SO39i 2007 so i guess the xls gte values will do?
Theres also the pdf with a chart. Which sail combination takse into account? Full main and jib?
Thank you again Happy easter Terry
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Post by MalcolmP on Apr 14, 2012 15:27:27 GMT
Thank you for your prompt response Am only asking cause i have an app for the ipad iregatta which you can enter your polar table and give you optimal tacks etc for a given waypoint Am planing to participate on a regatta with SO39i 2007 so i guess the xls gte values will do? Theres also the pdf with a chart. Which sail combination takse into account? Full main and jib? Thank you again Happy easter Terry Hi Terry The polars show full sail in flat water - this includes spinnaker for downwind - you can see where the curves break and overlap for the change from fore and aft to downwind rig SO 39 TGTE Mat Performance pdf is the classic mast performance rig and the SO 39 GTE Mat Classique pdf is the standard boat also with classic main Presume you have the performance rig? you could try the xls data but perhaps also email Eric Levet as to see if he has other data sets specific to your exact model Be interesting to learn what you think of the iregatta prediction program
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Post by a3pilot on Apr 14, 2012 17:01:37 GMT
Well i wont have a spinakker but neither the other boats. Well the iregatta has a trim function what it does is takes the values i put from the xls i found here and interpolates all the other values and gives you a complete 360 degree up to 20 kts XLS. Degree by degree knot by knot values. What is Up.Vs Up.Bt Up.Vmg ?? Is it the speed and best angle and velocity made good for a given wind to sail upwind and downwind??? I want this app to give me best tacks and jibes to a waypoint. Also has start line function. If i dont have a spinakker propably the speed of the boat will be diferrent downwind but relatively the jibe angles would be close... ?? I am waiting on a gps device "bad elf" to connect it with my ipad and then take it for a test with a car in a parking lot. (its cheaper this way) Terry Ps sorry the boat is Not the performance variant. Its just a standard 39i SO made in 2007. Std main,genoa no spinakker. And supposely am the skipper!!
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