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J/80 Deck Layout


With two Carbo fiddles and a pendant (yellow) to reduce the mainsheet's length, the 5:1 system is a combination of low weight and high power. The adjustable 75 mm Carbo Ratchamatic's® ratchet instantly engages to carry higher loads, but disengages quickly during mark rounding, jibes and light-air situations. A swivel base allows cleating from any direction.


Mainsheet Traveler

The mainsheet traveler system uses Harken's award-winning CB traveler car. Captive ball bearings are extremely low-friction and enable effortless car cleaning and installation. The double-ended control line has a 2:1 purchase, making the system simple and very fast.



A double-ended 4:1 purchase makes this split backstay adjustable. As the ring is pulled down, two high-strength wire blocks tighten the backstay by pinching the legs of the bridle together. The system is quick and powerful, and the fixed wires keep the mast tensioned even if the 4:1 is released.


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Class History

Designed by J/Boats' Rod Johnstone, the International J/80 is a perfect choice for offshore family racing, as well as for cruising and dinghy sailors transitioning to keelboat competition. The powerful asymmetrical spinnaker is easy to set and allows this sprit one-design to plane at 15 knots with crew trimming safely from the cockpit. The fixed keel and bulb keeps the boat on its feet and user friendly, particularly going upwind in a chop. A high boom and closed transom are additional safety factors. The J/80 is trailerable and complies with US and European towing widths. Active fleets can be found in the US, France, UK and Sweden.

J/80 Class


Boat Specifications

LOA: 26.25 ft (8 m)
LWL: 24.60 ft (7.5 m)
Beam: 8.25 ft (2.5 m)
Draft: 4.90 ft (1.5 m)
Sail Area: 338 sq ft (31.4 sq m)
DSPL: 31,000 lb (14058.5 kg)
Lead Keel: 1,400 lb (635 kg)
Spinnaker: 700 sq ft(65 sq m)


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