SEALION: ORC Rating

GPH

651.3

OSN

630.8

LOA

12.68 m

Displacement

9029 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6761

Medium

0.9386

High

1.1013

Triple Offshore

Low

0.8786

Medium

1.1831

High

1.3423

Boat Specifications

Dimensions

Length overall: 12.68 m
Beam: 3.62 m
Draft: 2.05 m
Displacement: 9029 kg
Crew weight: 801 kg
Wetted surface: 35.51 m²

Sails

Mainsail: 33.55 m²
Genoa: 57.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 105.3 m²

Design

Type: Waarschip 1220
Builder: V BEEK
Designer: KREMER
Year built: 1991

Performance data

Polar CSV

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

6,44.3,4.443248,52,4.92,60,5.22,75,5.46,90,5.39,110,5.24,120,5.06,135,4.51,145.3,4.026058,150,3.82
8,42.6,5.298214,52,5.91,60,6.23,75,6.49,90,6.43,110,6.43,120,6.23,135,5.66,146.5,5.072637,150,4.89
10,42.2,6.006982,52,6.73,60,7.02,75,7.23,90,7.22,110,7.33,120,7.18,135,6.66,146.2,6.041027,150,5.8
12,42.3,6.543803,52,7.19,60,7.41,75,7.59,90,7.67,110,7.78,120,7.69,135,7.37,146.4,6.85539,150,6.59
14,41.5,6.742722,52,7.37,60,7.59,75,7.8,90,7.87,110,8.1,120,8.03,135,7.78,148.1,7.279395,150,7.13
16,40.8,6.803215,52,7.45,60,7.67,75,7.95,90,8.08,110,8.4,120,8.38,135,8.1,150,7.51,169,6.815215
20,40.4,6.841416,52,7.52,60,7.74,75,8.08,90,8.43,110,8.83,120,9.1,135,8.82,150,8.03,173.4,7.610436

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.22	5.46	5.39	5.24	5.06	4.51	3.82
8	5.91	6.23	6.49	6.43	6.43	6.23	5.66	4.89
10	6.73	7.02	7.23	7.22	7.33	7.18	6.66	5.8
12	7.19	7.41	7.59	7.67	7.78	7.69	7.37	6.59
14	7.37	7.59	7.8	7.87	8.1	8.03	7.78	7.13
16	7.45	7.67	7.95	8.08	8.4	8.38	8.1	7.51
20	7.52	7.74	8.08	8.43	8.83	9.1	8.82	8.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.3°	3.18	145.3°	3.31
8	42.6°	3.9	146.5°	4.23
10	42.2°	4.45	146.2°	5.02
12	42.3°	4.84	146.4°	5.71
14	41.5°	5.05	148.1°	6.18
16	40.8°	5.15	169°	6.69
20	40.4°	5.21	173.4°	7.56

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°	4.92	5.91	6.73	7.19	7.37	7.45	7.52
60°	5.22	6.23	7.02	7.41	7.59	7.67	7.74
75°	5.46	6.49	7.23	7.59	7.80	7.95	8.08
90°	5.39	6.43	7.22	7.67	7.87	8.08	8.43
110°	5.24	6.43	7.33	7.78	8.10	8.40	8.83
120°	5.06	6.23	7.18	7.69	8.03	8.38	9.10
135°	4.51	5.66	6.66	7.37	7.78	8.10	8.82
150°	3.82	4.89	5.80	6.59	7.13	7.51	8.03