Notes: aka NACRA FORMULA 18, NACRA F18 INFUSION, F18 EVOLUTION. \nThe Evolution has the same specs as the Infusion but with a chine and raked bow.\nMainsail Area: 183 sq ft / 17 sq m \nJib Area: 46 sq ft / 4.3 sq m \nAsym. Spin. Area: 226 sq ft / 21 sq m