2004 SmartSail Technology: Introducing the first adaptable sail structure'

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2004 SmartSail Technology Introducing the
first adaptable sail structure.

• What is a Fusion m sail?
• What Makes it Unique?
• What Makes it the Same?
• The Story Behind the Technology
• Answers to Common Questions
• Fusion Cuben Fibre
• Farr 52 Fusionm mainsail represents fundamental
  difference in underlying structural principles
  from load path jib in photo at left.

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FUSION IS NOT A LOAD PATH SAIL

• Stress versus Strain (absorbed load versus
  stretch)
• The Load Path is not Static, it depends upon trim
  and sailing conditions such as windspeed and
  angle
• Load is multi-directional at every point
• Integrated, Multi-axis fiber system needs to
  address not just primary loads, but all others
• A sail structure must be adaptable, since there
  is no one fiber distribution that is perfect for
  every condition

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Load Path Variability with Lead Position
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Load is Multi-Directional at Every Point
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Old World New World
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Complex fiber layout produces interlocked
structural system addressing loads in all
directions throughout the sail.
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Old World New World

• Mid sail detail of load path versus smart
  structure genoa.

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• FUSION Lineage

• Balance
• Fiber Density
• Integrated Fiber Structure
• High Quality Lamination
• Superior Engineering

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Fusion is Balance

• Fusion m is the first smart, adaptable sail
  structure.
• As the sail is loaded, the structure moves
  evenly, and does not allow one part to load up
  more than another.
• By avoiding uneven loading, the sail remains
  easy to trim through a wider range, and does not
  become distorted, making for better shape life
  over the long haul.
• Fusion is the first sail to utilize an Isostrain,
  as opposed to a Load Path structure.

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Bottom Of Range Top of Range
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FUSION IS ALL ABOUT LAMINATION QUALITY

• A composite is judged by two qualities strength
  to weight ratio, and durability. De-lamination is
  not an option. High quality lamination has always
  been a Fusion trademark.
• High quality lamination is all about carefully
  controlling heat, pressure, and the amount of
  adhesive.
• Fusion m uses lamination technology more like
  that used by state of the art aerospace materials
  construction.
• By comparison, Fusions chief competitor 3DL, is
  a process inherently limited with respect to
  pressure and heat

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From the beginning, Fusion has stood for state of
the art lamination techniques. This is why
Quantum has been able to put more fiber in more
directions to achieve balanced strength, without
increasing the overall weight of the sail. Fusion
m produces a sail that will not delaminate. A
more durable, easier to trim sail is the result.
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ULTIMATELY, ITS ALL ABOUT THE SHAPE

• The industrys most technically sophisticated
  design process A full suite of design tools,
  leader in VPP integration.
• Experience
• Success on a level playing field
• This combination is particularly suited to
  one-off custom projects Get it right the first
  time.

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Swan 45 Code 2Fusion vs. Fusion m
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Judson 50
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THE TOOLS AND THE DESIGN PROCESS

• QSDG Design Program creates the geometry and
  defines the design shape
• S2KV takes geometry and produces pressure
  distribution and integrated sail forces
  (aerodynamic analysis)

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AERO-STRUCTURES

• FEA software, ALGOR, computes the aero-structural
  mechanics of the sail, rig, and rigging, and
  answers the question, what is the flying shape
  and what is the stress-strain relationship within
  the membrane?
• Algor takes the geometry (design shape), the aero
  qualities produced by S2KV, and the design
  structure (fiber layout) specified by the
  designer, and calculates the amount of
  deformation (stretch), as well as shape changes
  based upon trim.
• All of these tools are integrated into a loop.
  Change the structure or the trim and assess the
  impact. If the structure is moving too much,
  change the structure, etc.

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Fusion M Preliminary Results
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FUSION IN A NUTSHELLANSWERING COMMON QUESTIONS

• What is Quantums new product?
• Fusion m is a further refinement of the Fusion
  process first introduced in 2001. The primary
  enhancements are that Fusion m sails are the
  first to incorporate smart structures
  technology, and are now engineered and
  constructed on a sail by sail basis. This allows
  not only more robust tailoring of the structure
  to anticipated usage, but also the integration of
  components like batten pockets and corner
  reinforcements.

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• What makes it unique?
• Fusion m is not a load path sail. It is the
  first sail built using a smart structure, which
  addresses loadings throughout the whole sail so
  that loadings are shared evenly. Gone is the
  principle of trying to place fibers along primary
  stress paths.
• Fusion m is an adaptable sail structure that
  transfers loads as they increase instead of
  allowing loads to concentrate and distort sail
  shape. It is the first sail to strain
  proportionately (isostrain), so that the mold
  shape does not distort (this makes it easier to
  trim and preserves sail shape over the long haul.
• It also is not assembled full size, so it can
  utilize state of the art lamination techniques.
  The result is a balanced sail structure, that is
  more adaptable to the ever-changing load patterns
  seen in the real world, and which produces a sail
  with a longer shape life.
• Isotrain means there no distortion, but
  consistent deformation in all directions.

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• Where is it built?
• Designed and engineered in Annapolis, MD, USA.
  Assembled at a brand new, purpose built facility
  in Malaysia.

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• When is it available?
• Testing has been on going for the last year.
  Final prototypes are being tested on select
  boats. Limited production in the Spring, full
  production in the Fall of 2004.

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• What about Fusion Cuben Fibre?
• Fusion m is the most advanced yarn-based
  composite sail construction. It can nominally be
  compared to 3DL, Tape Drive Ultra, 4D, and other
  yarn-based systems.
• Fusion Cuben Fibre enters into another realm of
  composite construction entirely. It moves beyond
  fiber bundles (yarns), into the micro world of
  monofilaments. Fusion Cuben Fibre represents the
  absolute state of the art in composite sail
  construction for sails not made on a sail by sail
  basis.
• The downside to Cuben Fibre is cost. Its
  sophistication and complexity means it simply
  cannot currently be produced on a cost
  competitive basis with yarn based systems. It is
  also difficult to work with, it requires
  extensive experience and engineering.
• The real advantage is in applications that
  demand high fiber density (ie high load sails).
  Fusion Cuben Fibre is a big boat product..

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FusionSmartSailsThe nature of the structure of
Fusion SmartSails is like that of a circle, of
which the center is everywhere and
thecircumference is nowhere.
(adapted from
Empedocles)Fusion SmartSails The strength
of balance.