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Islander 36 Fleet San Francisco Bay Sail Shaping for Performance Sailors Sail Trim Lecture Module #3
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Sail Shaping for Performance Sailors Third Module Trim Loops Helm/Sail Feedback Spinnaker Shaping
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J24 Parallel Leeches
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Islander 36 Parallel Leeches
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Sail Shaping for Performance Sailors Third Module Trim Loops Helm/Sail Feedback Spinnaker Shaping
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Trim Loops Telltales Jib Trim – Distance From Spreaders Traveler Control Use Backstay Control Use Knot Meter Crew Feedback Two Boat Tuning Velocity Prediction Programs – VPP & Polar Diagrams Performance Prediction Programs – Target Boat Speeds
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Telltales - Point Mode
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I36 Polar Diagram - VPP
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I36 Performance Prediction
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Trim Loops – Instrument Use AWA = Apparent Wind Angle AWS = Apparent Wind Speed TWA = True Wind Angle TWS = True Wind Speed S = Boat Speed in Knots (Fun Meter!) VMG = Velocity Made Good
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Sail Shaping for Performance Sailors Third Module Trim Loops Helm/Sail Feedback Spinnaker Shaping
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Helm/Sail Feedback Slight Weather Helm Set-up Perfectly Balanced Helm - Fast Upwind Puff Cards - Heel and Induced Weather Helm
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IAC Sail Trim - Telltales
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IAC Genoa Trim & Draft Stripes
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Sail Shaping for Performance Sailors Third Module Trim Loops Helm/Sail Feedback Spinnaker Shaping
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Symmetrical Spinnakers Generational Designs & Specialty Designs Trim Fundamentals Special Circumstance Trim Requirements
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General Spinnaker Designs
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1970’s Islander 36 Radial Head Symmetrical Spinnaker
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I36 Tri-Radial Symmetrical Spinnaker
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Islander 36 Genniker/Cruising Spinnaker
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Symmetrical Spinnaker Trim Fundamentals Hoist Trim Gybing Douse Control
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One Ton Cup Hoist – “Ringing the Bell”
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J24 Spinnaker Hoist
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J24 2002 NAs Hoisting Deeper Angle When it’s Blowing
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Spinnaker Trim
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Wind Tunnel Demonstrating Flow
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J24 Spinnaker Leech Curves
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Islander 36 Spinnaker Trim
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Farr 40 Worlds SF Symmetrical Spinnaker Trim
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IAC LVC Finals – Symmetrical
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Islander 36 Reaching Trim
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IAC Symmetrical Running
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IAC Oracle BMW Leeward Takedown
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Special Circumstances IAC Alinghi Spinnaker Set
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J24 2005 Nationals 30 Knot Squall
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J24 2005 Nationals 37 Knot Squall
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Wing-on-Wing “The Other Option”
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The “Other Option” Continued
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Sail Shaping for Performance Sailors Third Module Trim Loops Helm/Sail Feedback Spinnaker Shaping
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5 Key Factors for Success 1. Trim Spinnaker with Constant 3 “ to 6” Curl 2. Square the Pole Visually By Vertical Luff and Vertical Center Seam 3. Keep Windward Clew (the tack) Slightly Lower 4. Luff Breaking Too High – Pole Up, Breaking Too Low - Pole Down 5. Always Remember to Have Fun!
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I36 Fleet Racing SF Bay “The Chess Game”
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Sail Shaping for Performance Sailors Final Q&A Trim Loops Helm/Sail Feedback Spinnaker Shaping
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Time to go Sailing!
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