20 to 30 indicates a coastal cruiser; 30 to 40 indicates a moderate bluewater cruising boat; 40 to 50 indicates a heavy bluewater boat; over 50 indicates an extremely heavy bluewater boat. Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam^1.33), where displacement is expressed in pounds, and length is expressed in feet.

A J/30 sails the speed of 35 to 40 footers and will be ahead of the average 30-foot cruiser by the length of a football field after a mile of sailing. Such performance means that 40 to 50 mile daily runs are easy.

The J/30 is a racer/cruiser sailing keelboat developed and built by J/Boats to provide more comfort for coastal cruising while maintaining a high level of sailing performance to make for a competitive racer.

Find J Boats J 30 boats for sale in your area & across the world on YachtWorld. Offering the best selection of J Boats to choose from.

2017年4月5日 · The J/30’s strengths are: good sailing performance in moderate to heavy winds; strength of construction; good accommodations (particularly post 1984 models with larger galleys); a strong one-design fleet; and reasonable cost.

Sailing the J/30 can be as simple or complicated as you choose. Although a crew of seven is optimal for competitive racing, one experienced and one inexperienced person can handle it easily with the stock rig.

2002年2月8日 · Designed by Rod Johnstone in 1978, the J/30 was in production from 1979 through 1986, with 545 hulls built. The average selling price is $28,000. It takes a crew of seven to race the boat.

View a wide selection of J Boats J/30 for sale in United States, explore detailed information & find your next boat on boats.com. #everythingboats

2024年9月3日 · Discussions on everything about the J/30 Sailboat! For J/30 humor, fun and laughs, plus anything else! Who is getting ready for sailing season? Discussion area for those interested in improving J/30 racing skills! J/30 Cruising info, places to go, how to get there... Looking for crew? Want to crew? Post your vital stats here.

2000年7月26日 · As a true racer/cruiser, the J/30 provides a reasonable balance in the way most people use their boats, unlike many of the newer sport-boat designs like the Mumm 30. What are the class sail rules? The class has strict sail limits on …