SPIRIT — ORC Rating | RegattaPages

GPH

651.1

OSN

635.3

LOA

9.295 m

Displacement

3760 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.634

Medium

0.845

High

0.9582

Triple Offshore

Low

0.8179

Medium

1.0343

High

1.145

Boat Specifications

Dimensions

Length overall: 9.295 m
Beam: 3.1 m
Draft: 1.99 m
Displacement: 3760 kg
Crew weight: 400 kg
Wetted surface: 20.96 m²

Sails

Mainsail: 32.54 m²
Genoa: 26.38 m²
Spinnaker: 62.15 m²
Asymmetric spinnaker: 60.73 m²

Design

Type: Cross 31
Builder: Ridas Jaht Estonia
Designer: Dieter Blank
Year built: 1998

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.

6,41.6,4.600172,52,5.18,60,5.44,75,5.66,90,5.8,110,5.53,120,5.3,135,4.75,145,4.236088,150,4.01
8,40.5,5.405008,52,6.07,60,6.29,75,6.48,90,6.63,110,6.52,120,6.36,135,5.81,148,5.141218,150,5.03
10,39.8,5.935309,52,6.54,60,6.7,75,6.86,90,7.01,110,6.98,120,6.89,135,6.6,150,5.94,151,5.888273
12,38.6,6.077896,52,6.72,60,6.88,75,7.06,90,7.31,110,7.34,120,7.26,135,7.01,150,6.64,160,6.257365
14,38.2,6.146157,52,6.79,60,6.97,75,7.22,90,7.57,110,7.72,120,7.67,135,7.38,150,7.01,180,6.5
16,38.2,6.184332,52,6.82,60,7.01,75,7.33,90,7.75,110,8.01,120,8.11,135,7.8,150,7.36,180,6.91
20,38.5,6.23556,52,6.86,60,7.04,75,7.41,90,7.97,110,8.71,120,8.86,135,8.78,150,8.18,180,7.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.44	5.66	5.8	5.53	5.3	4.75	4.01
8	6.07	6.29	6.48	6.63	6.52	6.36	5.81	5.03
10	6.54	6.7	6.86	7.01	6.98	6.89	6.6	5.94
12	6.72	6.88	7.06	7.31	7.34	7.26	7.01	6.64
14	6.79	6.97	7.22	7.57	7.72	7.67	7.38	7.01
16	6.82	7.01	7.33	7.75	8.01	8.11	7.8	7.36
20	6.86	7.04	7.41	7.97	8.71	8.86	8.78	8.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.44	145°	3.47
8	40.5°	4.11	148°	4.36
10	39.8°	4.56	151°	5.15
12	38.6°	4.75	160°	5.88
14	38.2°	4.83	180°	6.5
16	38.2°	4.86	180°	6.91
20	38.5°	4.88	180°	7.59

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