YPSIPYLI — ORC Rating

GPH

751.1

OSN

723.3

LOA

9.34 m

Displacement

4414 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5243

Medium

0.7344

High

0.8641

Triple Offshore

Low

0.6766

Medium

0.9124

High

1.0382

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.61 m
Displacement: 4414 kg
Crew weight: 250 kg
Wetted surface: 20.96 m²

Sails

Mainsail: 20.46 m²
Genoa: 27.22 m²
Spinnaker: 59.65 m²
Asymmetric spinnaker: 51.98 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC MARINE
Designer: JACOPIN & JACOPIN
Year built: 1993
Stability index: 105.1

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.

6,45.4,3.788348,52,4.14,60,4.41,75,4.57,90,4.51,110,4.63,120,4.49,135,4.03,146.9,3.581154,150,3.46
8,43.3,4.520642,52,5,60,5.26,75,5.44,90,5.52,110,5.67,120,5.53,135,5.08,150,4.48,150.5,4.457948
10,42.4,5.064626,52,5.6,60,5.85,75,6.05,90,6.21,110,6.36,120,6.28,135,5.92,150,5.34,153.8,5.171309
12,41.7,5.437707,52,6.02,60,6.23,75,6.42,90,6.6,110,6.74,120,6.71,135,6.47,150,6.04,157.7,5.728431
14,41.4,5.679159,52,6.26,60,6.46,75,6.65,90,6.83,110,7.02,120,7.01,135,6.84,150,6.51,169.4,5.992256
16,41.2,5.781385,52,6.37,60,6.58,75,6.81,90,6.96,110,7.27,120,7.28,135,7.15,150,6.85,177.2,6.367602
20,41.4,5.812473,52,6.43,60,6.67,75,7,90,7.2,110,7.75,120,7.89,135,7.77,150,7.43,179,7.001066

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.14	4.41	4.57	4.51	4.63	4.49	4.03	3.46
8	5	5.26	5.44	5.52	5.67	5.53	5.08	4.48
10	5.6	5.85	6.05	6.21	6.36	6.28	5.92	5.34
12	6.02	6.23	6.42	6.6	6.74	6.71	6.47	6.04
14	6.26	6.46	6.65	6.83	7.02	7.01	6.84	6.51
16	6.37	6.58	6.81	6.96	7.27	7.28	7.15	6.85
20	6.43	6.67	7	7.2	7.75	7.89	7.77	7.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.66	146.9°	3
8	43.3°	3.29	150.5°	3.88
10	42.4°	3.74	153.8°	4.64
12	41.7°	4.06	157.7°	5.3
14	41.4°	4.26	169.4°	5.89
16	41.2°	4.35	177.2°	6.36
20	41.4°	4.36	179°	7

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