Mata-mata — ORC Rating

GPH

712.5

OSN

689.8

LOA

5.56 m

Displacement

470 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5753

Medium

0.7571

High

0.8985

Triple Offshore

Low

0.7327

Medium

0.9442

High

1.1178

Boat Specifications

Dimensions

Length overall: 5.56 m
Beam: 2.38 m
Draft: 1.5 m
Displacement: 470 kg
Crew weight: 260 kg
Wetted surface: 8.45 m²

Sails

Mainsail: 15.19 m²
Genoa: 6.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 34.62 m²

Design

Type: Seascape 18
Builder: ISSA d.o.o
Designer: S. Manuard
Year built: 2007

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.

6,41.9,4.03057,52,4.49,60,4.69,75,4.8,90,5,110,5.06,120,4.88,135,4.42,145.7,3.958367,150,3.78
8,40.1,4.719439,52,5.25,60,5.4,75,5.5,90,5.77,110,5.9,120,5.78,135,5.37,148,4.846423,150,4.74
10,38.2,5.115435,52,5.66,60,5.83,75,6,90,6.27,110,6.66,120,6.55,135,6.13,148.6,5.529841,150,5.45
12,36.9,5.27708,52,5.95,60,6.21,75,6.5,90,6.58,110,7.35,120,7.44,135,6.88,147.2,6.269581,150,6.08
14,36.9,5.35211,52,6.09,60,6.4,75,6.91,90,7.17,110,7.81,120,8.26,135,7.78,144.7,7.155656,150,6.74
16,36.6,5.418417,52,6.21,60,6.54,75,7.15,90,7.7,110,8.25,120,8.94,135,8.78,143.9,8.044655,150,7.51
20,36.8,5.507465,52,6.37,60,6.75,75,7.5,90,8.35,110,9.18,120,10.47,135,12.28,139.4,12.064199,150,10.58
24,37.9,5.538066,52,6.4,60,6.85,75,7.71,90,8.83,110,11.07,120,11.98,135,13.94,144.8,14.526187,150,13.7

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.49	4.69	4.8	5	5.06	4.88	4.42	3.78
8	5.25	5.4	5.5	5.77	5.9	5.78	5.37	4.74
10	5.66	5.83	6	6.27	6.66	6.55	6.13	5.45
12	5.95	6.21	6.5	6.58	7.35	7.44	6.88	6.08
14	6.09	6.4	6.91	7.17	7.81	8.26	7.78	6.74
16	6.21	6.54	7.15	7.7	8.25	8.94	8.78	7.51
20	6.37	6.75	7.5	8.35	9.18	10.47	12.28	10.58
24	6.4	6.85	7.71	8.83	11.07	11.98	13.94	13.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	3	145.7°	3.27
8	40.1°	3.61	148°	4.11
10	38.2°	4.02	148.6°	4.72
12	36.9°	4.22	147.2°	5.27
14	36.9°	4.28	144.7°	5.84
16	36.6°	4.35	143.9°	6.5
20	36.8°	4.41	139.4°	9.16
24	37.9°	4.37	144.8°	11.87

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