← Back to ORC directory

ALPHA PUPPY

USA J-35

Sail number USA/USA1300

GPH

609.9

OSN

594.1

LOA

10.79 m

Displacement

4300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6816

Medium

0.9052

High

1.0298

Triple Offshore

Low

0.8756

Medium

1.1023

High

1.2253

Boat Specifications

Dimensions

Length overall
10.79 m
Beam
3.65 m
Draft
2.1 m
Displacement
4300 kg
Crew weight
587 kg
Wetted surface
24.41 m²

Sails

Mainsail
32.69 m²
Genoa
52.25 m²
Spinnaker
94.36 m²
Asymmetric spinnaker
0 m²

Design

Type
J-35
Builder
TPI
Designer
JOHNSTONE
Year built
1983

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
65.675.986.236.165.675.525.024.24
86.626.816.946.926.786.676.195.33
1077.157.297.37.317.256.966.3
127.157.337.567.627.747.717.426.98
147.237.437.757.928.138.187.877.4
167.287.57.888.188.388.628.367.82
207.337.5588.478.819.279.498.74
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
642.4°3.74145°3.68
841.2°4.5149°4.62
1039°4.95151°5.46
1237.9°5.15158°6.16
1436.9°5.26180°6.76
1636.8°5.31180°7.21
2036.4°5.38180°8.01
Loading polar chart…