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Islander 36 FleetIslander 36 FleetSan Francisco BaySan Francisco Bay
Sail Shaping for Performance Sailors Sail Trim Lecture
Module #3
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsThird ModuleThird Module
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
J24 Parallel LeechesJ24 Parallel Leeches
Islander 36 Parallel LeechesIslander 36 Parallel Leeches
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsThird ModuleThird Module
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
Trim LoopsTrim 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
Telltales - Point ModeTelltales - Point Mode
I36 Polar Diagram - VPPI36 Polar Diagram - VPP
I36 Performance PredictionI36 Performance Prediction
Trim Loops – Instrument UseTrim 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
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsThird ModuleThird Module
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
Helm/Sail FeedbackHelm/Sail Feedback
Slight Weather Helm Set-upPerfectly Balanced Helm - FastUpwind Puff Cards - Heel and Induced
Weather Helm
IAC Sail Trim - TelltalesIAC Sail Trim - Telltales
IAC Genoa Trim & Draft StripesIAC Genoa Trim & Draft Stripes
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsThird ModuleThird Module
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
Symmetrical SpinnakersSymmetrical Spinnakers
Generational Designs & Specialty DesignsTrim FundamentalsSpecial Circumstance Trim Requirements
General Spinnaker DesignsGeneral Spinnaker Designs
1970’s Islander 361970’s Islander 36Radial Head Symmetrical SpinnakerRadial Head Symmetrical Spinnaker
I36 Tri-RadialI36 Tri-RadialSymmetrical SpinnakerSymmetrical Spinnaker
Islander 36 Genniker/Cruising SpinnakerIslander 36 Genniker/Cruising Spinnaker
Symmetrical Spinnaker Trim Symmetrical Spinnaker Trim FundamentalsFundamentals
HoistTrimGybingDouseControl
One Ton Cup Hoist – “Ringing the Bell”One Ton Cup Hoist – “Ringing the Bell”
J24 Spinnaker HoistJ24 Spinnaker Hoist
J24 2002 NAs HoistingJ24 2002 NAs HoistingDeeper Angle When it’s BlowingDeeper Angle When it’s Blowing
Spinnaker TrimSpinnaker Trim
Wind Tunnel Demonstrating FlowWind Tunnel Demonstrating Flow
J24 Spinnaker Leech CurvesJ24 Spinnaker Leech Curves
Islander 36 Spinnaker TrimIslander 36 Spinnaker Trim
Farr 40 Worlds SF Farr 40 Worlds SF Symmetrical Spinnaker TrimSymmetrical Spinnaker Trim
IAC LVC Finals – SymmetricalIAC LVC Finals – Symmetrical
Islander 36 Reaching TrimIslander 36 Reaching Trim
IAC Symmetrical RunningIAC Symmetrical Running
IAC Oracle BMW Leeward TakedownIAC Oracle BMW Leeward Takedown
Special CircumstancesSpecial CircumstancesIAC Alinghi Spinnaker SetIAC Alinghi Spinnaker Set
J24 2005 NationalsJ24 2005 Nationals30 Knot Squall30 Knot Squall
J24 2005 NationalsJ24 2005 Nationals37 Knot Squall37 Knot Squall
Wing-on-WingWing-on-Wing“The Other Option”“The Other Option”
The “Other Option” ContinuedThe “Other Option” Continued
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsThird ModuleThird Module
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
5 Key Factors for Success5 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!
I36 Fleet Racing SF BayI36 Fleet Racing SF Bay“The Chess Game”“The Chess Game”
Sail Shaping for Performance SailorsSail Shaping for Performance SailorsFinal Q&AFinal Q&A
Trim LoopsHelm/Sail FeedbackSpinnaker Shaping
Time to go Sailing!Time to go Sailing!
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