Marine Fabricator January/February 2022 - 42

Shop Talk Exterior
to be super tight; you just want some
tension on the shade sail poles so that
the shade sail is taut (Image 4).
IMAGE 4
Mounting to hardtop or T-top
Boaters want something that is fast
and easy to put up and take down. You
can mount your shade sail connection
to the hardtop with snap hooks that
are easy for the boater to install, or use
a grommet in the fabric and secure it
to a mounting point like a handrail.
IMAGE 5
PHOTO 7
IMAGE 6
Using triangulation measurements can
help create a perfect shade sail pattern.
Use a small piece of PVC pipe to draw
your curve on the fabric.
Center console shade sails
Center console boats are getting
larger every year, ranging from
40 to 60-plus feet in length, and
boaters are requiring more shade
protection in this area. If you are
doing a bow-installed shade sail, you
can provide more shade by adding
four shade sail poles and installing
new rod holders at the midpoint of
the boat's bow area. This will give
you a six-sided shade sail instead
USE TRIANGULATION TO CREATE YOUR PATTERN
U
sing triangulation measurements can help
you create a perfect pattern for your shade
sail. If you have never done triangulation, here is
a simple explanation.
* Draw out your shade sail measurement from one
pole to the other, and do this with each fi xed point
that you are going to use (Image 5). Measure in
triangles to get the image of your pattern on paper
or pattern material.
* Subtract at least 3 inches (and sometimes more for very
large shade sails) because the fabric will stretch from
each pole measurement, and you want to have some
room to tension the shade sail.
* Lay out and clamp your fabric to the worktable and
start placing your marks. To create your luff in the edge
(Image 6), measure your straight edge and if it is 100
inches, take 100 x 3-5 percent. This will equal 3-5 inches
at the center of your 100-inch side. Go to the center
and measure up 3-5 inches, depending on the fabric
and the size of the shade sail. If it is small, 3-5 percent is
enough to mark your luff. On larger shade sails, you will
cut a luff of 5-7 percent.
* Take a small piece of PVC pipe or batten, and lay it on
the fi nish edge in the corner. Push it up in the center
to your 3-5 percent luff (Photo 7), mark it, and put the
other end of the pipe or batten on the other outside
corner and draw your curve on the fabric. If you're
adding a folded edge, add the extra material (say 2
inches if that is what you want), and draw the extra for
the fold onto your fabric. Cut this out. Go to the corners
and measure up 3 inches from this point. This is where
your reinforcement for the grommet or D ring will go
(Photo 10, see next page).
42 Marine Fabricator | January/February 2022

Marine Fabricator January/February 2022

Table of Contents for the Digital Edition of Marine Fabricator January/February 2022

Marine Fabricator January/February 2022 - Cover1
Marine Fabricator January/February 2022 - Cover2
Marine Fabricator January/February 2022 - 1
Marine Fabricator January/February 2022 - 2
Marine Fabricator January/February 2022 - 3
Marine Fabricator January/February 2022 - 4
Marine Fabricator January/February 2022 - 5
Marine Fabricator January/February 2022 - 6
Marine Fabricator January/February 2022 - 7
Marine Fabricator January/February 2022 - 8
Marine Fabricator January/February 2022 - 9
Marine Fabricator January/February 2022 - 10
Marine Fabricator January/February 2022 - 11
Marine Fabricator January/February 2022 - 12
Marine Fabricator January/February 2022 - 13
Marine Fabricator January/February 2022 - 14
Marine Fabricator January/February 2022 - 15
Marine Fabricator January/February 2022 - 16
Marine Fabricator January/February 2022 - 17
Marine Fabricator January/February 2022 - 18
Marine Fabricator January/February 2022 - 19
Marine Fabricator January/February 2022 - 20
Marine Fabricator January/February 2022 - 21
Marine Fabricator January/February 2022 - 22
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Marine Fabricator January/February 2022 - 24
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Marine Fabricator January/February 2022 - 26
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Marine Fabricator January/February 2022 - 30
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Marine Fabricator January/February 2022 - 42
Marine Fabricator January/February 2022 - 43
Marine Fabricator January/February 2022 - 44
Marine Fabricator January/February 2022 - 45
Marine Fabricator January/February 2022 - 46
Marine Fabricator January/February 2022 - 47
Marine Fabricator January/February 2022 - 48
Marine Fabricator January/February 2022 - Cover3
Marine Fabricator January/February 2022 - Cover4
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