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Islander 36 Fleet San Francisco Bay

Islander 36 Fleet San Francisco Bay. Sail Shaping for Performance Sailors Sail Trim Lecture Module #3. Sail Shaping for Performance Sailors Third Module. Trim Loops Helm/Sail Feedback Spinnaker Shaping. J24 Parallel Leeches. Islander 36 Parallel Leeches.

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Islander 36 Fleet San Francisco Bay

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  1. Islander 36 FleetSan Francisco Bay Sail Shaping for Performance Sailors Sail Trim Lecture Module #3

  2. Sail Shaping for Performance SailorsThird Module • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  3. J24 Parallel Leeches

  4. Islander 36 Parallel Leeches

  5. Sail Shaping for Performance SailorsThird Module • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  6. 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

  7. Telltales - Point Mode

  8. I36 Polar Diagram - VPP

  9. I36 Performance Prediction

  10. 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

  11. Sail Shaping for Performance SailorsThird Module • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  12. Helm/Sail Feedback • Slight Weather Helm Set-up • Perfectly Balanced Helm - Fast • Upwind Puff Cards - Heel and Induced Weather Helm

  13. IAC Sail Trim - Telltales

  14. IAC Genoa Trim & Draft Stripes

  15. Sail Shaping for Performance SailorsThird Module • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  16. Symmetrical Spinnakers • Generational Designs & Specialty Designs • Trim Fundamentals • Special Circumstance Trim Requirements

  17. General Spinnaker Designs

  18. 1970’s Islander 36Radial Head Symmetrical Spinnaker

  19. I36 Tri-RadialSymmetrical Spinnaker

  20. Islander 36 Genniker/Cruising Spinnaker

  21. Symmetrical Spinnaker Trim Fundamentals • Hoist • Trim • Gybing • Douse • Control

  22. One Ton Cup Hoist – “Ringing the Bell”

  23. J24 Spinnaker Hoist

  24. J24 2002 NAs HoistingDeeper Angle When it’s Blowing

  25. Spinnaker Trim

  26. Wind Tunnel Demonstrating Flow

  27. J24 Spinnaker Leech Curves

  28. Islander 36 Spinnaker Trim

  29. Farr 40 Worlds SF Symmetrical Spinnaker Trim

  30. IAC LVC Finals – Symmetrical

  31. Islander 36 Reaching Trim

  32. IAC Symmetrical Running

  33. IAC Oracle BMW Leeward Takedown

  34. Special CircumstancesIAC Alinghi Spinnaker Set

  35. J24 2005 Nationals30 Knot Squall

  36. J24 2005 Nationals37 Knot Squall

  37. Wing-on-Wing“The Other Option”

  38. The “Other Option” Continued

  39. Sail Shaping for Performance SailorsThird Module • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  40. 5 Key Factors for Success • Trim Spinnaker with Constant 3 “ to 6” Curl • Square the Pole Visually By Vertical Luff and Vertical Center Seam • Keep Windward Clew (the tack) Slightly Lower • Luff Breaking Too High – Pole Up, Breaking Too Low - Pole Down • Always Remember to Have Fun!

  41. I36 Fleet Racing SF Bay“The Chess Game”

  42. Sail Shaping for Performance SailorsFinal Q&A • Trim Loops • Helm/Sail Feedback • Spinnaker Shaping

  43. Time to go Sailing!

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