may be provided aft on the starboard side. Cabin maximum headroom is . For sailing downwind the design may be equipped with a code 0 sail of . The design has a hull speed of . Operational history In a 2017 review Zuzana Prochazka wrote, "the most notable characteristic of the J51 under sail is her balance. In 17 knots of breeze at 40 degrees apparent wind angle, our test boat blazed along at 8.1 knots with only light fingertip control on the helm. She basically sailed herself and pointed impressively high. As we eased off and the wind dropped to 11 knots, the Technique Voile sails drew us along at 7.6 knots on a beam reach." See also List of sailing boat types References External links Keelboats 2000s sailboat type designs Sailboat type designs by Philippe Briand Sailboat type designs by Jeanneau Design Office Sailboat type designs by Andrew Winch Sailboat types built by Jeanneau