TABA — ORC Rating | RegattaPages

GPH

658.7

OSN

636.8

LOA

8.28 m

Displacement

1499 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6105

Medium

0.8388

High

0.9615

Triple Offshore

Low

0.7891

Medium

1.0292

High

1.178

Boat Specifications

Dimensions

Length overall: 8.28 m
Beam: 2.49 m
Draft: 1.68 m
Displacement: 1499 kg
Crew weight: 420 kg
Wetted surface: 14.86 m²

Sails

Mainsail: 22.87 m²
Genoa: 13.81 m²
Spinnaker: 43.43 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIGMA 8 O.D.
Builder: SEAWAY
Designer: D.PETERSEN
Year built: 1994
Stability index: 102.3

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.

6,43.6,4.418841,52,4.89,60,5.17,75,5.37,90,5.42,110,5.43,120,5.25,135,4.72,144.2,4.204355,150,3.94
8,41.8,5.244971,52,5.85,60,6.09,75,6.24,90,6.37,110,6.43,120,6.31,135,5.84,148.7,5.079238,150,5.01
10,39.7,5.809725,52,6.36,60,6.51,75,6.64,90,6.85,110,7,120,6.88,135,6.5,150,5.96,152.4,5.845158
12,37.8,6.024134,52,6.62,60,6.81,75,7.04,90,7.16,110,7.67,120,7.55,135,7.03,150,6.54,161.9,6.144033
14,37.2,6.076357,52,6.72,60,7,75,7.44,90,7.55,110,8.22,120,8.35,135,7.67,150,7.04,175.4,6.410649
16,37,6.097901,52,6.77,60,7.09,75,7.68,90,8.09,110,8.61,120,9.12,135,8.47,150,7.62,176.6,6.832026
20,37.5,6.176315,52,6.87,60,7.2,75,7.84,90,8.71,110,9.23,120,10.09,135,10.44,150,9.11,155.6,8.707744

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.17	5.37	5.42	5.43	5.25	4.72	3.94
8	5.85	6.09	6.24	6.37	6.43	6.31	5.84	5.01
10	6.36	6.51	6.64	6.85	7	6.88	6.5	5.96
12	6.62	6.81	7.04	7.16	7.67	7.55	7.03	6.54
14	6.72	7	7.44	7.55	8.22	8.35	7.67	7.04
16	6.77	7.09	7.68	8.09	8.61	9.12	8.47	7.62
20	6.87	7.2	7.84	8.71	9.23	10.09	10.44	9.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.2	144.2°	3.41
8	41.8°	3.91	148.7°	4.34
10	39.7°	4.47	152.4°	5.18
12	37.8°	4.76	161.9°	5.84
14	37.2°	4.84	175.4°	6.39
16	37°	4.87	176.6°	6.82
20	37.5°	4.9	155.6°	7.93

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