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 Headsail ... what is it?		  New Topic  Topic Locked
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Buzz Maring
Master Marine Consultant

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USA
1774 Posts
Initially Posted - 10/05/2002 :  20:04:05  Show Profile
Hi everyone,

I've been cleaning sails today, and I took time to measure both of my headsails. One of them is a 110%, but the other I'm not sure about. Here are the dimensions (I could be an inch or two off on each):

Luff 28'8"
Leach 26'4"
Foot 14'10"

Is it a 135%?

Thanks for the help!

Buzz Maring, C-25 SK/SR #68, "Freya"
Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 10/06/2002 :  01:48:23  Show Profile
Buzz,

The percentage is based on the boat's J dimension of 10.5'. Measure from the clew of the sail to the closest point on the luff to determine the luff perpendicular(LP) measurement. Divide this measurement by the Catalina 25's J measurement(10.5') to determine the size percentage.

For example, if your luff perpendicular measurement is 14.8', then 14.8' divided by 10.5' = 1.41

So if your sail's LP is roughly 1.4 times that of the J dimension then it would be a 140 percent.

Don Lucier, North Star
C25 SR/FK


Edited by - dlucier on 10/06/2002 11:00:40
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Buzz Maring
Master Marine Consultant

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USA
1774 Posts
Response Posted - 10/06/2002 :  10:15:54  Show Profile
Thanks Don!

I didn't know that's how the calculations were made. I just did a quick measure, recalculated, and I came up with 137% ... so, I suppose it's a 135%.

Thanks again!

Buzz Maring, C-25 SK/SR #68, "Freya"
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 10/06/2002 :  10:49:35  Show Profile
You're welcome.

Don Lucier, North Star
C25 SR/FK
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gnorgan
Admiral

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USA
563 Posts
Response Posted - 10/12/2002 :  00:57:12  Show Profile
Okay, now there is another idea for the website: a place where one can go to find just this sort of information. Where would we put this or should there be a specific location?
Whatever happens I will print this out and store a copy in my C25 manual.
Thanks Don

Gary Norgan
Hemet, CA

C25 tall/wing
Classical Cat #5944

Edited by - gnorgan on 10/12/2002 00:58:14
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.