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07-03-2019, 09:00
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#32
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
...up from the depths...
I am looking to make a 100+% head sail for my 21'.
I have sewn before, including a dinghy sail:
Lofted, cut, taped, stitched, rope edges, grommets...
I would like to explore a more DIY option than a kit from Sailrite.
I have a background in CAD/CAM including basic foils.
What I lack is specific 'molding' knowledge for a fabric head sail on a smallish boat.
Is this something that can be gained from reading and research, fed into Sailcut CAD, in order to make patterns and sew a reasonable sail?
-which books or websites?
-anyone with real-life experience want to collaborate on a design?
Thanks!
__________________
Big dreams, small boats...
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07-03-2019, 14:50
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#34
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Moderator
Join Date: Feb 2010
Location: La Ciudad de la Misión Didacus de Alcalá en Alta California, Virreinato de Nueva España
Boat: Cal 20
Posts: 20,614
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Re: Making My Own Sail
I got several books with good info. If I remember when I get home from work I’ll get you titles.
__________________
Num Me Vexo?
For all of your celestial navigation questions: https://navlist.net/
A house is but a boat so poorly built and so firmly run aground no one would think to try and refloat it.
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07-03-2019, 17:03
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#35
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Moderator
Join Date: May 2008
Location: cruising SW Pacific
Boat: Jon Sayer 1-off 46 ft fract rig sloop strip plank in W Red Cedar
Posts: 21,236
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Re: Making My Own Sail
Sailrite used to publish small pamphlets describing sail designing, with separate volumes for head sails, main sails and spinnakers. I used them (back in about 1981) to design and build a spinnaker and a storm jib for my Yankee 30.
Perhaps they still have such things, properly updated.
Jim
__________________
Jim and Ann s/v Insatiable II, lying Port Cygnet Tasmania once again.
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07-03-2019, 19:06
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#36
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
Thanks Everyone for digging up the old books and such!
__________________
Big dreams, small boats...
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08-03-2019, 11:29
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#37
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
The Wallace Ross book looks like a bargain either way.
Quote:
Originally Posted by Jim Cate
Sailrite used to publish small pamphlets describing sail designing, with separate volumes for head sails, main sails and spinnakers. I used them (back in about 1981) to design and build a spinnaker and a storm jib for my Yankee 30.
Perhaps they still have such things, properly updated.
Jim
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I emailed Sailrite, the pamplets are books in the how-to section:
https://www.sailrite.com/Sailmakers-Library-5-Book-Set
How about the sail books from C. A. Marchaj?
https://www.amazon.com/s?k=C.+A.+Mar...ref=nb_sb_noss
__________________
Big dreams, small boats...
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10-03-2019, 11:48
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#38
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Moderator
Join Date: Feb 2010
Location: La Ciudad de la Misión Didacus de Alcalá en Alta California, Virreinato de Nueva España
Boat: Cal 20
Posts: 20,614
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Re: Making My Own Sail
This Old Boat by Don Casey chap-16 really good description of luff-rounding and broad-seaming needed to make a good sail shape.
The Sailmaker’s Apprentice by Mariano Whatever. Lots of info but not well organized.
The Sail Power books doesn’t have anything on design as I recall but I love the photo of Wi dingo with its 250% Genoa.
__________________
Num Me Vexo?
For all of your celestial navigation questions: https://navlist.net/
A house is but a boat so poorly built and so firmly run aground no one would think to try and refloat it.
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10-03-2019, 14:50
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#39
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
Thanks Adelie!
I found a list started over at WoodenBoat, where the series from Sailrite also comes highly recommended:
Learning Sailmaking
Emiliano Marino: The Sailmaker's Apprentice*(for the pictures)
Tom Whidden: The Art And Science Of Sails
Jeremy Howard Williams: Sails
Dennis Conner: Sail Like A Champion
Dave Gerr: The Nature Of Boats
Imhoff/Pranger: This Is Boat Tuning For Speed
Frank Rosenow: The Ditty Bag Book
Sail Magazine: The Best Of Sail Trim
Jim Grant: The New Canvas Worker's Library **(the series from Sailrite)
Bowker & Budd: (an old sailmaking book that deals mostly with cotton sails)
__________________
Big dreams, small boats...
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24-03-2019, 08:33
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#40
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
Spoils from Amazon:
Marino, Grant (sails), Grant (canvas), and Ross.
I have flipped through everything, tried doing the math for a storm jib (thinking a small sail that I do not already have would be a good one to try) from the Sailrite pamphlets, and have settled down to reading the Ross book. I am thinking my Sailrite pamphlets are older as they do not mention Sailrite machines and do not call out double-stick seam tape.
I have been messing with Sailcut CAD too. What is apparent there is that I can make a pretty-looking sail on the screen but have little understanding what it will do in the wind. The program interests me as CAD/CAM is part of my 'day job' and the ability to cut to size and sew together versus a full pin and broad seam lofting fits better with the workspace I have. If anyone has tips and tricks related to getting good results from book learning into Sailcut CAD I am all ears/eyes, thanks!
__________________
Big dreams, small boats...
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24-03-2019, 09:59
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#41
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Registered User
Join Date: Sep 2015
Location: Out of Norfolk Va
Boat: Tartan 37
Posts: 687
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Re: Making My Own Sail
He's talking about a dingy sail. I made my first one when I was 13, for I boat that I built. It was made from an tarp, lasted a few years, till I found someone throwing away a ripped sail. Just remember to take your oars. Lol. Watch some YouTube, you can get a ton of free info. I had a sailmaker down the street from me, learn a lot from watching and helping. Now sailmakers don't even make their own sails.
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24-03-2019, 11:23
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#42
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Registered User
Join Date: Jan 2019
Location: Minnesota, USA
Boat: Southwind 21 et al.
Posts: 1,754
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Re: Making My Own Sail
Currently I am hoping to make a couple of optional headsails for the 21'. Originally I wanted a genoa, now I am thinking storm sail to make the project more manageable.
I did the tarp sail for my dinghy, 59 sqft Bolger leg-o-mutton spritsail, based on the plans from Dave at Polysail Constructing My Favorite PolySails:
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