Seaspray: ORC Rating

GPH

606.8

OSN

591.3

LOA

12.639 m

Displacement

11786 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6473

Medium

0.8935

High

1.0549

Triple Offshore

Low

0.8532

Medium

1.1203

High

1.2674

Boat Specifications

Dimensions

Length overall: 12.639 m
Beam: 4.08 m
Draft: 2.12 m
Displacement: 11786 kg
Crew weight: 856 kg
Wetted surface: 39.38 m²

Sails

Mainsail: 52.72 m²
Genoa: 43.14 m²
Spinnaker: 120.21 m²
Asymmetric spinnaker: 0 m²

Design

Type: XC-42
Builder: X-Yachts
Designer: Niels Jeppessen
Year built: 2008
Stability index: 124.8

Performance data

Polar CSV

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

6,44.4,4.702769,52,5.22,60,5.63,75,6.17,90,6.35,110,6.06,120,5.7,135,5.03,144.2,4.524921,150,4.24
8,42.6,5.542747,52,6.19,60,6.7,75,7.25,90,7.43,110,7.2,120,6.8,135,6.18,149.6,5.391219,150,5.37
10,41.8,6.210797,52,6.97,60,7.38,75,7.79,90,7.94,110,7.81,120,7.65,135,7.17,150,6.34,152,6.229135
12,41.8,6.774195,52,7.46,60,7.69,75,8.05,90,8.25,110,8.16,120,8.08,135,7.79,150,7.21,154.2,6.975307
14,41.2,7.030695,52,7.7,60,7.91,75,8.18,90,8.49,110,8.47,120,8.42,135,8.16,150,7.78,162.8,7.285834
16,40.5,7.10147,52,7.8,60,8.03,75,8.28,90,8.7,110,8.78,120,8.77,135,8.5,150,8.14,175.4,7.574398
20,40,7.166686,52,7.87,60,8.12,75,8.5,90,8.95,110,9.42,120,9.49,135,9.27,150,8.8,179,8.27126

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.63	6.17	6.35	6.06	5.7	5.03	4.24
8	6.19	6.7	7.25	7.43	7.2	6.8	6.18	5.37
10	6.97	7.38	7.79	7.94	7.81	7.65	7.17	6.34
12	7.46	7.69	8.05	8.25	8.16	8.08	7.79	7.21
14	7.7	7.91	8.18	8.49	8.47	8.42	8.16	7.78
16	7.8	8.03	8.28	8.7	8.78	8.77	8.5	8.14
20	7.87	8.12	8.5	8.95	9.42	9.49	9.27	8.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.36	144.2°	3.67
8	42.6°	4.08	149.6°	4.65
10	41.8°	4.63	152°	5.5
12	41.8°	5.05	154.2°	6.28
14	41.2°	5.29	162.8°	6.96
16	40.5°	5.4	175.4°	7.55
20	40°	5.49	179°	8.27

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°	5.22	6.19	6.97	7.46	7.70	7.80	7.87
60°	5.63	6.70	7.38	7.69	7.91	8.03	8.12
75°	6.17	7.25	7.79	8.05	8.18	8.28	8.50
90°	6.35	7.43	7.94	8.25	8.49	8.70	8.95
110°	6.06	7.20	7.81	8.16	8.47	8.78	9.42
120°	5.70	6.80	7.65	8.08	8.42	8.77	9.49
135°	5.03	6.18	7.17	7.79	8.16	8.50	9.27
150°	4.24	5.37	6.34	7.21	7.78	8.14	8.80