Mata-mata: ORC Rating

GPH

705.6

OSN

685.5

LOA

5.56 m

Displacement

470 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5885

Medium

0.7607

High

0.8935

Triple Offshore

Low

0.7487

Medium

0.9504

High

1.1085

Boat Specifications

Dimensions

Length overall: 5.56 m
Beam: 2.38 m
Draft: 1.5 m
Displacement: 470 kg
Crew weight: 180 kg
Wetted surface: 8.2 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
Stability index: 90.2

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,41.8,4.145003,52,4.62,60,4.83,75,4.96,90,5.09,110,5.16,120,4.99,135,4.51,145.2,4.055292,150,3.85
8,39.6,4.801994,52,5.35,60,5.5,75,5.62,90,5.8,110,6,120,5.9,135,5.47,148.2,4.9418,150,4.84
10,38.2,5.12816,52,5.71,60,5.92,75,6.14,90,6.18,110,6.74,120,6.73,135,6.27,148.7,5.629294,150,5.55
12,37.8,5.214167,52,5.87,60,6.16,75,6.59,90,6.75,110,7.28,120,7.58,135,7.14,147.1,6.443392,150,6.24
14,38.1,5.29904,52,5.98,60,6.3,75,6.85,90,7.31,110,7.72,120,8.25,135,8.13,145,7.422309,150,7.02
16,37.9,5.3353,52,6.06,60,6.41,75,7.04,90,7.7,110,8.15,120,8.82,135,9.29,143.9,8.453076,150,7.88
20,38.4,5.371998,52,6.14,60,6.53,75,7.3,90,8.18,110,9.24,120,10.1,135,11.99,142.1,12.166004,150,11.08

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.62	4.83	4.96	5.09	5.16	4.99	4.51	3.85
8	5.35	5.5	5.62	5.8	6	5.9	5.47	4.84
10	5.71	5.92	6.14	6.18	6.74	6.73	6.27	5.55
12	5.87	6.16	6.59	6.75	7.28	7.58	7.14	6.24
14	5.98	6.3	6.85	7.31	7.72	8.25	8.13	7.02
16	6.06	6.41	7.04	7.7	8.15	8.82	9.29	7.88
20	6.14	6.53	7.3	8.18	9.24	10.1	11.99	11.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.09	145.2°	3.33
8	39.6°	3.7	148.2°	4.2
10	38.2°	4.03	148.7°	4.81
12	37.8°	4.12	147.1°	5.41
14	38.1°	4.17	145°	6.08
16	37.9°	4.21	143.9°	6.83
20	38.4°	4.21	142.1°	9.6

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.62	5.35	5.71	5.87	5.98	6.06	6.14
60°	4.83	5.50	5.92	6.16	6.30	6.41	6.53
75°	4.96	5.62	6.14	6.59	6.85	7.04	7.30
90°	5.09	5.80	6.18	6.75	7.31	7.70	8.18
110°	5.16	6.00	6.74	7.28	7.72	8.15	9.24
120°	4.99	5.90	6.73	7.58	8.25	8.82	10.10
135°	4.51	5.47	6.27	7.14	8.13	9.29	11.99
150°	3.85	4.84	5.55	6.24	7.02	7.88	11.08