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Cruising Sails / Appropriate Technology Quantum Sail Design
Balancing The Equation l Performance l Durability l Dollars
Three Types of Construction l Cross Cut (Woven Dacron) l Tri Radial or “Oriented” (Polyester or Pentex Composites) l Tri Radial With High Modulus Fibers (Vectran, Spectra, etc.)
What Do You Gain? l SHAPE l Shape Life l Durability?
Cross Cut Sails l Woven Polyester (Dacron) l The Quality Issue in Woven Materials l Type of Yarns l Number of Yarns per inch l Finish n Downsides to Dacron
Tri Radial (Fiber Oriented) Sails l Threadline / Loadline Alignment l Composites versus Wovens l Downside Risks / Mold and Mildew
How Do They Know?
Oriented = Composite Materials l Exterior skins of woven polyester l Pre Tensioned Scrim l Mylar Film
How Much Stronger? How Much Better Shape? l Dacron l Polyester Composites l Pentex Composites l High Modulus (Spectra or Vectran)
Shape Change Dacron Versus Design
Shape Change Polyester Composites Versus Design
Shape Change Vectran Composites Versus Design
Know Your Fabrics Beginners. How Fabrics Are Made Fibers ++ = Yarns Fabric Construction Fabrics Woven.
Structures and stress BaDI 1. Outline Beam Strength and Deflection Moment of Inertia Types of Forces Applied Young’s Modulus (stress and strain) Optimization.
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Forging new generations of engineers. Stress STRESS Stress in a structure is a quantity that’s calculated once you know the applied forces and the shape.
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1. 2 Plastic compounding…… 3 4 Where is used compounding of plastics Industries Served: Construction Auto Wire and Cable Durables Consumer.
Fibers and Fabrics. Fibers Natural Fibers- produced by nature Cotton- absorbs moisture, comfortable to wear, strong, dyes well; negatives- wrinkles.
POLYESTER FILAMENTS- MATERIALS PROPERTIES PRODUCTS AND MARKETS.
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Fabric Construction Fashion Design, Textiles & Merchandising Mrs. Moscinski.
Composite Processing ISAT 430 Module 4b. ISAT 430 Module 4a Dr. Ken Lewis Spring Polymer Based Composites Preforms Powders or granules of polymer.
1 Chemistry for Engineering Logistics COMPOSITE MATERIALS 1. Definition 2. Constituents of the Composite Materials 3. Classification of the Composite Materials.
any cloth or goods produced by weaving, knitting, or felting.
WE COME IN CONTACT WITH TEXTILES DAILY! Tooth brush makeup brushes coffee filters tire cords Paint rollers lampshades duct tape gloves balls Boat sails.
Yarn Bowls. They can have a lid Bowl can have a handle.
NTSB - AA587 Pilot? Accident Reconstruction Construction Site Tollbooth Cameras.
Synthetic Slings, Ropes and Winch Lines 2011 Pennsylvania REC Key Man Conference.
Fabric Construction How fabric is made. FABRIC CONSTRUCTION: 3 Steps fibers are created into yarns yarns are then woven or knit into fabrics fabrics are.
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Strengths Chapter 11 Mechanical Properties of Materials.
Structural Member Properties Moment of Inertia (I) is a mathematical property of a cross section (measured in inches 4 ) that gives important information.
Exercise 1 Torsional stiffness of a socket – Using Free mesh vs. Mapped Mesh – Appling torque distributed on nodes – Torsional stiffness: moment / (radian.
KEVLAR What is it Properties Uses. What is it 1965, Dupont Stehanie Kowlek & Herbert Blades Aromatic polyamide Symmetrical radial orientation.
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