Facebook

Login

Support Sailonline

If you haven't already - join the SAILONLINE YACHT CLUB!

Please also consider making a donation - all amounts are greatly appreciated!

Board » General Discussion » Polar analysis spreadsheet

Page: 1 2 3 Next

Posted by
Incognito


Users avatar

Posts
183
Registered at
2008-12-06 13:43:52
2010-02-23 22:01:36 - Polar analysis spreadsheet
New version for those who are interested.

Go to the page 'VMG overview' and change only the figures in red.

Two exceptions:
-'Chosen setting' where you can input either a TWA in cell C7 or or a CC in cell C8.
- Cell V10, which defines the scale of the graph.

--- Last Edited by Incognito at 2010-02-24 20:19:56 ---
Attachments
Posted by
A2


Users avatar

Posts
347
Registered at
2009-10-26 00:39:42
2010-02-23 22:56:01 - Re: Polar analysis spreadsheet
Excellent work as usual Incognito.. I think I can see how this has progressed from your earlier SS.

If you wouldn't mind giving us the benefit of your insight as to how you improved this from the last one and how to utilize its features.

thanks
None so blind
Posted by
Incognito


Users avatar

Posts
183
Registered at
2008-12-06 13:43:52
2010-02-24 08:17:10 - Re: Polar analysis spreadsheet
There are 3 main changes:
- I added an input for the settings that you are using or want to use in cells 'C7' and 'C8', an the corresponding data in colum 'G2:G8'.
- I added the VMC row 'E6:T6'.
- I added a macro to adjust the graph automatically when changing cell 'V10'.

I am already thinking of the next version. I would like to give it a more dynamic character by providing key data at various wind speeds and wind angles. That requires a bit more programming however, and that is always time-consuming.
Posted by
Joshua_Pig


Users avatar

Posts
22
Registered at
2009-09-25 16:58:15
2010-02-24 11:59:30 - Re: Polar analysis spreadsheet
Many thanks for this great job, Inco :)

Where can we find spreadsheets for other boats ?
Posted by
A2


Users avatar

Posts
347
Registered at
2009-10-26 00:39:42
2010-02-24 16:55:08 - Re: Polar analysis spreadsheet
See Below

--- Last Edited by Aethereal at 2010-02-24 19:51:48 ---
None so blind
Posted by
Incognito


Users avatar

Posts
183
Registered at
2008-12-06 13:43:52
2010-02-24 19:44:48 - Re: Polar analysis spreadsheet
Almost correct, but it will not work with the Santa Cruz spreadsheet. Reason is that the Santa Cruz polar data does not come from brainaid's site. It is an own construct based on the raw data provided in the race screen. (Interestingly, my interpolations seemed to come very close to the real thing.)

Anyway, here is how to use the spreadsheet for another boat.

1. Download the attached spreadsheet for the Seacart 30.

2. Download the polar data from Brainaid's site and copy it into the cells 'A11:d7250' on the page 'Data'.

3. Right-click on any cell in the table 'F9:AT191' on the page 'Data'.

4. Select 'Refresh Data' in the menu that just appeared. You should see some changes in the table as a result.

5. That 's it! You are ready to go.

Attachments
Posted by
kalle


Users avatar

Posts
413
Registered at
2007-06-01 09:58:04
2010-02-24 20:16:52 - Re: Polar analysis spreadsheet
Also note that our raw polar data is downloadable from the "Help tab" in the client.
Posted by
Joshua_Pig


Users avatar

Posts
22
Registered at
2009-09-25 16:58:15
2010-03-16 15:54:22 - Re: Polar analysis spreadsheet
Thanks for your reply but it doesn't work...

When pasting new polar data, the following error message appears : "La taille et la forme des données ne correspondent pas à la zone sélectionnée"

If I ignore that message, values obtained in spreadsheet don't correspond with reality.

Sorry for the trouble...
Posted by
Incognito


Users avatar

Posts
183
Registered at
2008-12-06 13:43:52
2010-03-17 09:28:52 - Re: Polar analysis spreadsheet
FR Joshua74 said @ 2010-03-16 15:54:22:
Thanks for your reply but it doesn't work...

When pasting new polar data, the following error message appears : "La taille et la forme des données ne correspondent pas à la zone sélectionnée"
-------

Hello Josh,

Sorry for the late answer, I was a bit sick for the last few days.

So, if I understand you well, you want to use my spreadsheet with the polar data of another boat.

My first question then is: where does the new polar data come from?

Regards,

Francois
Posted by
Joshua_Pig


Users avatar

Posts
22
Registered at
2009-09-25 16:58:15
2010-03-18 16:16:56 - Re: Polar analysis spreadsheet
Salut François, j'espère que tu vas mieux maintenant.

En fait ce que je recherche pour l'instant, c'est un moyen de connaître le meilleur twa pour une tws donnée... Pour cela, je n'ai que ta feuille de calcul et j'essaye de rentrer les data obtenues sur le site de Brain ou dans l'onglet "boat polar" du bateau en question et selon le mode d'emploi que tu indiques plus haut.

Mais je suis une vraie bille en info et je dois faire quelque chose de faux sous excel sans savoir quoi évidemment...

Merci d'avance !

Page: 1 2 3 Next

Please login to post a reply.

Races

Next Race: 00d 00h 00m

Current Races:

Newport to Annapolis 2025


The Newport to Annapolis race, first held in 1947, is one of the most historic and well-known US East Coast blue water races. Linking two seaports dating from the US nation's birth, Annapolis and Newport, the race contrasts the country's largest estuary, the Chesapeake Bay, and the Atlantic Ocean. Since 1969, the route has run from Annapolis through the Chesapeake Bay to Newport. The SOLers will sail 470nm in their Carkeek40s in the original direction from Newport to Annapolis, including the Chesapeake, which is such a daunting challenge that the 1997–98 Whitbread Round the World Race for the Volvo Trophy added it to the course, as did the Volvo Ocean Race in 2002 and 2006.
Race #1912
INFO from brainaid.de
Carkeek 40 PARTICULARS
WX Updates:
0245 / 0845 / 1445 / 2045
Ranking:
ARQ2 - ARCH - SUPSOL – SYC
Race starts: May 12th 17:00 Registration Open!
▶ Flash
GO TO RACE

Channel Islands TIMED Chase 2025

Join us in Saint Peter Port, Guernsey for a race around the Channel Islands in the J-109, a recent addition to the Sailonline fleet. The course takes us around the islands of Alderney and Jersey finishing back in Saint Peter Port. This is a TIMED race, so you may RE-REGISTER HERE to try again, after finishing a run. You will have 13 days and 11 hours to test your skill and decision making after the race opens.
Race #1915
INFO by brainaid.de
J-109 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking:
TRQ2 - TRCH - SUPSOL - SYC
RACE CLOSE: Saturday,
24 May at 23:00 UTC
Race starts: May 11th 12:00 Registration will open soon
▶ Flash
GO TO RACE

Elephant Island to Marquesas 2025

Prepare to test your limits as we launch into the third leg of the RWW Series and the fifth leg of the 2025 Ocean Championship Series—an epic voyage from Elephant Island to the Marquesas in the heart of French Polynesia. This 4,700-nautical-mile challenge is a true test of endurance, strategy, and raw sailing adrenaline. Aboard the high-performance Volvo 70v4, competitors will face fierce headwinds as they round the legendary Cape Horn and make the thrilling transition from the Atlantic to the Pacific. Do you have what it takes to conquer the Pacific? Join us, and put your skills to the ultimate test.
PRIZE: SMPF
Race #1909
INFO by brainaid.de
VO70_v4 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: OCQ2 - RWW - OCCH - SUPSOL - SYC
Race starts: May 05th 11:00 Registration Open!
▶ Flash
GO TO RACE

Transat à Deux 2025

Above you see a single-handed sailor semi-foiling his Beneteau Figaro III to the horizon. It is in fact Ireland’s Sailor of the Year and the overall winner of last year’s Solitaire du Figaro, Tom Dolan. Somehow, we got our hands on a polar for the Class, and rather than trying to surreptitiously track Tom and his mates in the 2025 edition of the Solitaire, sailing rather-short, single-handed legs across the Celtic Sea and Biscay, we thought we’d see how our virtual craft would fare on the Class’s double-handed 3900nm Trans-Atlantic, from somewhere in Brittanny to somewhere in the Caribbean via somewhere in the Canaries. Allez, mes braves!
Race #1901
INFOby brainaid.de
Figaro III foil PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC
RACE CLOSE: Thursday,
May 15 at 2300 UTC.
Race starts: Apr 20th 11:00 Registration Closed
▶ Flash
GO TO RACE

Sinbad by Balloon 2025 - Toamasina to Baia de l'Oiseau


You may recall that when last we visited Madagascar in the company of Sinbad, the Sultan commanded our intrepid inspirator to seek out fabled islands where in Summer the sun barely set. We did and we returned but the Sultan wasn’t happy with Sinbad’s report, so here we go again, now by SOL Balloon instead of sailing vessel. Expect to be in the air for at least 2100nm and depending on how the wind brings us, anything between two weeks and two months before we shall descend at the Sultan’s given coordinates!
Race #1884
INFOby brainaid.de
SOL Balloon PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC - SBB
RACE CLOSE: Sunday,
May 18 at 2300 UTC.
Race starts: Apr 09th 11:00 Registration Closed
▶ Flash
GO TO RACE

Go to race archive

SYC Ranking

  1. Sailonline Yacht Club Member WRmirekd
  2. Sailonline Yacht Club Member Patrick70119
  3. Sailonline Yacht Club Member CriticalHippo
  4. Sailonline Yacht Club Member KaSToR
  5. Sailonline Yacht Club Member FreyjaUSA
  6. Sailonline Yacht Club Member rafa
  7. Sailonline Yacht Club Member Kipper1258
  8. Sailonline Yacht Club Member vida
  9. Sailonline Yacht Club Member bonknhoot
  10. Sailonline Yacht Club Member rumskib

View full list

Series

Mobile Client

SYC members have the benefit of access to our mobile/lightweight web client!

The mobile client