Information on material:

• Things to know about cloth and laminate sails (Mylar)

• Different yarn rates which are used in sail fabric

• Small sailingmaker lexikon

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What to look for when measuring

• where and how to measuring sail. Yardstick and ORC (ISAF)

• how to measuring sail Yardstick

• Yardstick sail calculator (XLS)

• Equipment Rules of Sailing (Link to Woerld Sailing)

• ORC and IMS manual

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Boot Performance (Polardiagramm, ORC VPP)

• List of boats, True Wind polar chart. With GPH and sail area.

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