KALLIPYGOS — ORC Rating

GPH

731.5

OSN

710.6

LOA

9.34 m

Displacement

4267 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5427

Medium

0.7377

High

0.8786

Triple Offshore

Low

0.7043

Medium

0.9291

High

1.0646

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.61 m
Displacement: 4267 kg
Crew weight: 494 kg
Wetted surface: 21.08 m²

Sails

Mainsail: 18.98 m²
Genoa: 25.18 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 56.14 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: JACOPIN & JACOPIN
Year built: 1993

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.

6,45,3.903229,52,4.31,60,4.59,75,4.79,90,4.82,110,4.89,120,4.73,135,4.28,146,3.823711,150,3.66
8,43.9,4.635341,52,5.13,60,5.44,75,5.66,90,5.84,110,5.93,120,5.75,135,5.26,147,4.745606,150,4.6
10,43.3,5.180188,52,5.76,60,6.06,75,6.26,90,6.49,110,6.55,120,6.45,135,6.1,146,5.608913,150,5.37
12,42.8,5.642404,52,6.19,60,6.4,75,6.57,90,6.82,110,6.89,120,6.82,135,6.6,147,6.188365,150,5.99
14,40.9,5.900615,52,6.45,60,6.62,75,6.78,90,7.06,110,7.2,120,7.14,135,6.91,150,6.38,174,5.570516
16,40.1,6.052909,52,6.61,60,6.78,75,6.96,90,7.23,110,7.53,120,7.47,135,7.22,150,6.67,176,6.104871
20,40.1,6.118276,52,6.7,60,6.92,75,7.26,90,7.43,110,8.09,120,8.14,135,7.86,150,7.13,178,6.744108

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.59	4.79	4.82	4.89	4.73	4.28	3.66
8	5.13	5.44	5.66	5.84	5.93	5.75	5.26	4.6
10	5.76	6.06	6.26	6.49	6.55	6.45	6.1	5.37
12	6.19	6.4	6.57	6.82	6.89	6.82	6.6	5.99
14	6.45	6.62	6.78	7.06	7.2	7.14	6.91	6.38
16	6.61	6.78	6.96	7.23	7.53	7.47	7.22	6.67
20	6.7	6.92	7.26	7.43	8.09	8.14	7.86	7.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.76	146°	3.17
8	43.9°	3.34	147°	3.98
10	43.3°	3.77	146°	4.65
12	42.8°	4.14	147°	5.19
14	40.9°	4.46	174°	5.54
16	40.1°	4.63	176°	6.09
20	40.1°	4.68	178°	6.74

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