North Sails Tuning Guide – http://www.northsailsod.com/class/j24/j24_tuning.html
Quantum Sails Tuning Guide- http://www.northsailsod.com/class/j24/j24_tuning.html
Shore Sails Tuning Guide- http://www.shoresails.com/onedesign/j24guide.htm

International J/24 Class Association
North Sails Tuning Guide – http://www.northsailsod.com/class/j24/j24_tuning.html
Quantum Sails Tuning Guide- http://www.northsailsod.com/class/j24/j24_tuning.html
Shore Sails Tuning Guide- http://www.shoresails.com/onedesign/j24guide.htm
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