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Jam Session

Country: NED
Sail number: NED/GBR6909R


GPH: 634

OSN: 617.4

Triple Inshore: [0.6494,0.8613,0.9665]

Triple Offshore: [0.836,1.0661,1.1713]


Length Overall: 10.75 meters.

Beam: 3.52 meters.

Crew weight: 180 kg.

Draft: 2.13 m.

Main: 36.47 m^2.

Genoa: 29.86 m^2.

Displacement: 5109 kg.

Spinnaker asymmetrical: 96.47 m^2.

Wetted surface: 26.37 m^2.

Builder: J Boats

Designer: Johnstone

Stability index: 119.5

Boat type: J-109

Year built: 2001

Wind Speed 52°60°75°90°110°120°135°150°
6 5.08 5.36 5.6 5.67 5.76 5.62 5.09 4.32
8 6.05 6.33 6.56 6.75 6.88 6.76 6.25 5.41
10 6.68 6.9 7.07 7.17 7.4 7.34 7.06 6.35
12 6.95 7.15 7.34 7.4 7.73 7.75 7.5 6.99
14 7.04 7.25 7.52 7.64 7.96 8.17 7.93 7.35
16 7.08 7.3 7.64 7.87 8.17 8.5 8.4 7.64
20 7.17 7.36 7.72 8.22 8.53 8.96 9.44 8.38
Wind Speed Beat Angle Beat VMG Run Angle Run VMG
6 42.8° 3.35 144.5° 3.74
8 41.2° 4.05 148° 4.69
10 40.5° 4.55 148.5° 5.5
12 40.1° 4.8 150° 6.05
14 39.8° 4.89 174° 6.39
16 39.8° 4.91 177° 6.96
20 39.8° 4.98 178° 7.65
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