LET'S GO — ORC Rating

GPH

609.3

OSN

588.7

LOA

13.4 m

Displacement

5594 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6503

Medium

0.9046

High

1.0519

Triple Offshore

Low

0.8436

Medium

1.1217

High

1.2632

Boat Specifications

Dimensions

Length overall: 13.4 m
Beam: 2.57 m
Draft: 1.98 m
Displacement: 5594 kg
Crew weight: 789 kg
Wetted surface: 29.31 m²

Sails

Mainsail: 35.69 m²
Genoa: 27.88 m²
Spinnaker: 94.65 m²
Asymmetric spinnaker: 83.33 m²

Design

Type: WASA 55
Builder: Wasa Yahts
Designer: Leif Ängermark
Year built: 1975

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.

6,44.2,4.714674,52,5.2,60,5.5,75,5.67,90,5.75,110,5.81,120,5.61,135,4.99,140.5,4.678441,150,4.16
8,41.6,5.629862,52,6.28,60,6.57,75,6.78,90,6.91,110,7.09,120,6.94,135,6.32,145.8,5.634276,150,5.38
10,40.1,6.235935,52,7,60,7.25,75,7.44,90,7.53,110,7.81,120,7.74,135,7.35,149.4,6.506014,150,6.46
12,39.6,6.567051,52,7.34,60,7.58,75,7.81,90,7.86,110,8.21,120,8.24,135,7.97,150,7.34,153.9,7.12673
14,39.2,6.723062,52,7.49,60,7.74,75,8.02,90,8.16,110,8.49,120,8.66,135,8.46,150,7.93,160.1,7.487067
16,39,6.832693,52,7.59,60,7.83,75,8.16,90,8.38,110,8.71,120,9.03,135,8.97,150,8.4,172.2,7.670973
20,38.7,6.919259,52,7.68,60,7.93,75,8.32,90,8.7,110,9.05,120,9.62,135,10.08,150,9.41,176.8,8.52329
24,39.2,6.955337,52,7.71,60,7.97,75,8.41,90,8.9,110,9.25,120,10.13,135,11.85,150,10.74,174.8,9.489053

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.5	5.67	5.75	5.81	5.61	4.99	4.16
8	6.28	6.57	6.78	6.91	7.09	6.94	6.32	5.38
10	7	7.25	7.44	7.53	7.81	7.74	7.35	6.46
12	7.34	7.58	7.81	7.86	8.21	8.24	7.97	7.34
14	7.49	7.74	8.02	8.16	8.49	8.66	8.46	7.93
16	7.59	7.83	8.16	8.38	8.71	9.03	8.97	8.4
20	7.68	7.93	8.32	8.7	9.05	9.62	10.08	9.41
24	7.71	7.97	8.41	8.9	9.25	10.13	11.85	10.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.38	140.5°	3.61
8	41.6°	4.21	145.8°	4.66
10	40.1°	4.77	149.4°	5.6
12	39.6°	5.06	153.9°	6.4
14	39.2°	5.21	160.1°	7.04
16	39°	5.31	172.2°	7.6
20	38.7°	5.4	176.8°	8.51
24	39.2°	5.39	174.8°	9.45

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