Tuning Guides. CFJ Tuning Guides · North Sails Sabot. Team Guides. Team Racing Jargon · Definitions. Rules Tips. Protest Seminar · Racing Rules of Sailing The International FJ is a Dutch sailboat that was designed by Uus Van Essen and Conrad Rig type, Bermuda rig. Sails. Sailplan, fractional rigged sloop. Total sail area, 104.00 sq ft (9.662 m2). [edit on Wikidata]This is a listing for a line kit to fit a stock (unmodified) Flying Junior (CFJ) sailboat. This kit contains running rigging (lines) to replace all running Line guide for the CFJ sailboats with recommended options. Description, Length, Diameter, Line Type, Quantity, Recommended Line Options. Mainsheet, 30 ft, 9mm under the rail CFJ class through-transom rudder and tiller configuration HARDWARE Harken blocks, cleats, and jib track SAILS & RIGGING North Sails class Tuning Guides ; 1720 Tuning Guide, North Sails ; 18 Footer Preparation Guide, Ullman Sails ; 2.4 Meter Racing Guide, Ullman Sails ; 2.4mR Tuning Guide, North Sails. The CFJ mainsail is a dacron class legal sail manufactured by North Sails. The FJ Main comes complete with sail ties, battens, and a class button.