Polar Diagrams - Data in excel

skip

Guest

« on: May 21, 2003, 12:11:54 PM »

Fellow C34 Sailors

Just having a good time with polar diagrams...

I took the polar that was on our site for a C34 fin, 150% genoa etc and put the data into excel. I also converted the data to give a polar expressed from true wind direction. THe file includes graphs and tables as well as true-apparent wind speed/direction tables too. I plan on sharing this on the web based on interest.

Unfortunately, I have a wing keel and would love to get my hands on a polar for the wing, 150% with max-prop so I can do the same.

I noticed that Catalina is giving polars with some new boats. A thought, since we have a large community perhaps we should lobby for appropriate flavors of old boats too?


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Jkar

Guest

Polar Diagrams - Data in excel

« Reply #1 on: May 21, 2003, 03:21:12 PM »

Skip,

I would be most interested in this file. Thanks for taking the time. It is sure to be far superior to my hand drawn notes. Thanks, Joel

sails@the-boat.com

p.s. I tried to e-mail you and it got bounced back?


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Ken Juul

Forum - Master Chief Petty Officer

Karma: 9
Posts: 1583

Polar Diagrams - Data in excel

« Reply #2 on: May 22, 2003, 07:50:12 AM »

The FAQ section of the home page would be a great place to post this information. I would like to see it.


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Ken & Vicki Juul
Luna Loca #1090
Chesapeake Bay
Past Commodore C34IA

Terry

Guest

Polar Diagrams - Data in excel

« Reply #3 on: May 22, 2003, 11:16:04 AM »

How about a short course in polar diagrams


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skip

Guest

Polar Diagrams - Data in excel

« Reply #4 on: May 22, 2003, 09:16:55 PM »

test


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skip

Guest

Polar Diagrams - Data in excel

« Reply #5 on: May 23, 2003, 12:28:35 PM »

Ken & Vicki, Terry-
E-Mail me at skipc34@comcast.net and I'll send excel file.


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dave davis

C34IA - Past Commodore
Forum - Petty Officer 2nd Class

Karma: 1
Boat Name / Hull Number: Wind Dragon
Model Year: 1988
Home Port: San Francisco
Posts: 100

Polar Diagrams - Data in excel

« Reply #6 on: May 23, 2003, 02:46:45 PM »

Skip, I have an old polar for c34 with folder and 150. It does not say anything about the keel. I would be interested in the wing keel and the Mod 2 wide transom. I will try to attach my polar to this post. I also tried to spell check, but it does not show up. I'm sure that I did something wronge


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Dave Davis San Francisco, 707, Wind Dragon, 1988, South Beach

Kyle Ewing

Forum - Petty Officer 2nd Class

Karma: -1
Boat Name / Hull Number: Donnybrook #1010
Model Year: 1990 Tall/Fin
Home Port: Belmont Harbor, Chicago
Posts: 154

Polar Diagrams - Data in excel

« Reply #7 on: May 23, 2003, 07:15:09 PM »

Thanks for the diagram. The link http://albertson.sytes.net/~chris/C36_Polars/ which I found on the Catalina 36 owners association page has a C36 polar with an explanation on how to read it.

Kyle Ewing
1990 C34 #1010, Donnybrook
Belmont Harbor, Chicago

Catalina 36 polar information


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Kyle Ewing
Donnybrook #1010
Belmont Harbor, Chicago
http://www.saildonnybrook.com/

Admin

Guest

Polar Diagrams - Data in excel

« Reply #8 on: May 24, 2003, 10:13:07 AM »

Skip -

Please attach your excel spreadsheet to your next post.

For Dave Davis and anyone else having trouble with the spell checker, after you've installed ieSpell, and after you've typed your post, just right-click on the mouse and click on "check spelling".

David Smith, Bear Territory
Webmaster


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skip

Guest

Polar Diagrams - Data in excel

« Reply #9 on: May 24, 2003, 12:18:40 PM »

Here is the excel file. Appreciate all feedback.


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