International FJ Flying Jr.

International FJ Flying Jr.

Description

The International FJ (commonly called the Flying Junior or FJ) is a two-person, high-performance racing dinghy designed in 1955 by Dutch naval architect Uus Van Essen and Conrad Gülcher. Originally created as a youth trainer to bridge the gap between Optimist and larger classes like the 420 or Laser, the FJ became an ISAF (now World Sailing) International Class in 1962. With its planning hull, trapeze, and asymmetric spinnaker, the FJ teaches advanced techniques—hiking, trapezing, and downwind surfing—while remaining forgiving for lighter crews. Over 10,000 hulls have been built worldwide, with active fleets in Europe, North America, and Asia. It’s a staple in junior programs (e.g., US Sailing, RYA) and collegiate racing, known for its durability, simplicity, and thrilling speed.

Construction Details

Designer Uus Van Essen
Builder Zim Sailing
Length 13.220 ft
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The standard boat dimensions

i -
j -
p -
e -
p2 -
e2 -
i2 -
j2 -

Sails

International FJ Flying Jr. - MAINSAIL

Luff 15.92 ft - (4852 mm)
Foot 8.038 ft - (2450 mm)
Leech * 17.03 ft - (5191 mm)
Tack Angle * 85.21 °
Diagonal 17.224 ft - (5250 mm)
Head (inches) 4 in - (102 mm)
Area * 66.08 ft²
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International FJ Flying Jr. - JIBSAIL

Luff 12.467 ft - (3800 mm)
Foot 6.398 ft - (1950 mm)
Leech 11.483 ft - (3500 mm)
Area * 36.48 ft²
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International FJ Flying Jr. - SPINNAKER

Stays 11.81 ft - (3600 mm)
MidGirth 7.84 ft - (2390 mm)
Foot 7.16 ft - (2182 mm)
Area * 72 ft²
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Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.

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