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Yoohoo, I'm making my own sail and it'll be awesome!

 
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manuel



Joined: 08 Oct 2007
Posts: 1158

PostPosted: Mon Apr 26, 2021 7:45 pm    Post subject: Yoohoo, I'm making my own sail and it'll be awesome! Reply with quote

Well or so I hope Smile Sailmaker huge noobie alert here.

Learning lots so far, including about sewing machines, thread, sail cloth, etc. Lately, thinking about draft design, outline is figured out mostly as well as sail sizes.

It looked like sails had three stages of evolution:

1. Straight mast, triangular sails.
2. Curved mast with flat panel sails, no tension at the clew.
3. Curved mast, seam shape, batten rotation and lots of clew tension.

The goal would be to be somewhere between 2 and 3 for a first. I'm not sure how big of a draft I should use with sailflow as any material will be stretchy and create it's own draft with wind pressure. Batten tension and profile will also affect profile.

Goal is 5 batten super light in the hands, stable, durable. I like a wide mast sleeve to let sail breeze and regular downhaul tension.

Suggestions on regards to draft depth? I'll use my favorite sail of all time, 100% fun, 1000% solid, the 1996 north zeta!

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manuel



Joined: 08 Oct 2007
Posts: 1158

PostPosted: Sun Jun 20, 2021 8:45 am    Post subject: Reply with quote

A quick update:

Plotted out my 4.7, took for.e.v.e.r! But it's near perfect. Next will be design updates.

Received my machine it's capable of 6 maybe 7mm wide triple stich. It seems that most sails are 8mm and up to 9!

So I was thinking about using two rows of stitches with a lighter V69 thread to substitute the single row wider V92 stitches. Sounds good or 6mm is good enough or does it depend on materials as well?

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joethewindsufa



Joined: 10 Oct 2010
Posts: 1190
Location: Montréal

PostPosted: Mon Jun 21, 2021 11:12 am    Post subject: Reply with quote

there are lotsa sail makers out there that are very "user friendly"

Bruce Peterson of Sailworks
David Ezzy
Barry Spanier/Art Szpunar previous MauiSails and now S2Maui

fire them your questions ??

also of Jeff Brown of IceRatz makes his own sails

wishing you lotsa luck !!
when do you start taking orders ?? Very Happy
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jingebritsen



Joined: 21 Aug 2002
Posts: 3371

PostPosted: Thu Jun 24, 2021 5:35 pm    Post subject: Reply with quote

sail design techniques abound.

luff curve
luff sleeve sizes (diameters up the mast.)
positive seam shaping down low to be negated by negative seam shaping up top.
sail outline: how low a foot, or truncated top
batten shapes, compositions, and bends
mast bends
tack foot positions and tack foot tensioners
sail cloth choices
reinforcements at foot, head, and clew.

recommend you repair, and/or dissect lots of older sails. there is lots to learn that way too. caution, seam rippers are quite fragile if used improperly.

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