KALLIPYGOS — ORC Rating

GPH

732.2

OSN

707.8

LOA

9.34 m

Displacement

4267 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6028

Medium

0.8421

High

1.0068

Triple Offshore

Low

0.7816

Medium

1.0501

High

1.2066

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: 21.14 m²

Sails

Mainsail: 18.98 m²
Genoa: 31.67 m²
Spinnaker: 64.77 m²
Asymmetric spinnaker: 0 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.

6,45,3.874945,52,4.28,60,4.57,75,4.78,90,4.71,110,4.75,120,4.61,135,4.16,147.2,3.664195,150,3.56
8,43.3,4.589345,52,5.13,60,5.45,75,5.69,90,5.66,110,5.82,120,5.66,135,5.18,150,4.54,150.5,4.515395
10,43,5.182171,52,5.79,60,6.08,75,6.29,90,6.39,110,6.51,120,6.43,135,6.07,150,5.39,151.8,5.310316
12,42.7,5.687736,52,6.23,60,6.43,75,6.6,90,6.75,110,6.88,120,6.82,135,6.59,150,6.14,155.8,5.887382
14,41.4,5.932455,52,6.47,60,6.64,75,6.81,90,6.96,110,7.19,120,7.14,135,6.93,150,6.6,174.5,6.007658
16,40.8,6.037028,52,6.59,60,6.78,75,6.99,90,7.07,110,7.5,120,7.48,135,7.25,150,6.91,180,6.47
20,40.9,6.085836,52,6.65,60,6.87,75,7.25,90,7.47,110,7.93,120,8.13,135,7.93,150,7.51,180,7.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.28	4.57	4.78	4.71	4.75	4.61	4.16	3.56
8	5.13	5.45	5.69	5.66	5.82	5.66	5.18	4.54
10	5.79	6.08	6.29	6.39	6.51	6.43	6.07	5.39
12	6.23	6.43	6.6	6.75	6.88	6.82	6.59	6.14
14	6.47	6.64	6.81	6.96	7.19	7.14	6.93	6.6
16	6.59	6.78	6.99	7.07	7.5	7.48	7.25	6.91
20	6.65	6.87	7.25	7.47	7.93	8.13	7.93	7.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.74	147.2°	3.08
8	43.3°	3.34	150.5°	3.93
10	43°	3.79	151.8°	4.68
12	42.7°	4.18	155.8°	5.37
14	41.4°	4.45	174.5°	5.98
16	40.8°	4.57	180°	6.47
20	40.9°	4.6	180°	7.07

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