BALLERINA 2 — ORC Rating

GPH

678.3

OSN

658.8

LOA

9.476 m

Displacement

3640 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.599

Medium

0.8108

High

0.9285

Triple Offshore

Low

0.774

Medium

0.9978

High

1.1152

Boat Specifications

Dimensions

Length overall: 9.476 m
Beam: 3.03 m
Draft: 1.93 m
Displacement: 3640 kg
Crew weight: 385 kg
Wetted surface: 20.09 m²

Sails

Mainsail: 27.59 m²
Genoa: 20.79 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 74.61 m²

Design

Type: NISSEN 31
Builder: HENZE
Designer: NISSEN
Year built: 1998
Stability index: 128.4

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,43.8,4.156505,52,4.58,60,4.85,75,5.07,90,5.41,110,5.48,120,5.34,135,4.86,145.1,4.377238,150,4.14
8,41.8,4.842544,52,5.43,60,5.72,75,6.08,90,6.38,110,6.48,120,6.38,135,5.98,147.5,5.311887,150,5.17
10,41.8,5.473013,52,6.08,60,6.3,75,6.57,90,6.82,110,6.93,120,6.88,135,6.64,150,6.09,152,5.97997
12,40.8,5.852086,52,6.42,60,6.59,75,6.77,90,7.11,110,7.3,120,7.3,135,7.05,150,6.65,160.1,6.306578
14,40,5.991819,52,6.59,60,6.76,75,6.96,90,7.32,110,7.59,120,7.73,135,7.47,150,7.03,175.4,6.480876
16,40.2,6.07492,52,6.65,60,6.86,75,7.14,90,7.46,110,7.94,120,8.09,135,7.91,150,7.42,179,6.861045
20,40.6,6.097952,52,6.67,60,6.91,75,7.34,90,7.72,110,8.48,120,8.74,135,8.89,150,8.25,178.4,7.582956

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.58	4.85	5.07	5.41	5.48	5.34	4.86	4.14
8	5.43	5.72	6.08	6.38	6.48	6.38	5.98	5.17
10	6.08	6.3	6.57	6.82	6.93	6.88	6.64	6.09
12	6.42	6.59	6.77	7.11	7.3	7.3	7.05	6.65
14	6.59	6.76	6.96	7.32	7.59	7.73	7.47	7.03
16	6.65	6.86	7.14	7.46	7.94	8.09	7.91	7.42
20	6.67	6.91	7.34	7.72	8.48	8.74	8.89	8.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3	145.1°	3.59
8	41.8°	3.61	147.5°	4.48
10	41.8°	4.08	152°	5.28
12	40.8°	4.43	160.1°	5.93
14	40°	4.59	175.4°	6.46
16	40.2°	4.64	179°	6.86
20	40.6°	4.63	178.4°	7.58

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