RIGHT NOW: ORC Rating

GPH

620.3

OSN

607.8

LOA

7.99 m

Displacement

1620 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7671

Medium

0.9747

High

1.1085

Triple Offshore

Low

0.9855

Medium

1.2066

High

1.3591

Boat Specifications

Dimensions

Length overall: 7.99 m
Beam: 2.54 m
Draft: 1.97 m
Displacement: 1620 kg
Crew weight: 340 kg
Wetted surface: 16.13 m²

Sails

Mainsail: 25.85 m²
Genoa: 18.52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 71.53 m²

Design

Type: SEASCAPE 27
Builder: ISSA
Designer: SAM MANUARD
Year built: 2012

Performance data

Polar CSV

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

6,42.8,5.042728,52,5.65,60,6,75,6.26,90,6.27,110,5.83,120,5.67,135,5.09,144.5,4.593943,150,4.32
8,40.1,5.752225,52,6.4,60,6.6,75,6.82,90,6.83,110,6.74,120,6.64,135,6.26,147.7,5.560407,150,5.43
10,38.1,5.947124,52,6.59,60,6.8,75,7.12,90,7.31,110,7.34,120,7.29,135,6.9,150,6.316212
12,37,6.047815,52,6.7,60,6.92,75,7.32,90,7.71,110,7.8,120,8.03,135,7.56,150,6.83,150.7,6.788452
14,37.2,6.126575,52,6.77,60,7.01,75,7.47,90,7.96,110,8.52,120,8.57,135,8.38,150,7.29,176,6.37553
16,36.9,6.177435,52,6.81,60,7.08,75,7.59,90,8.17,110,8.97,120,9.07,135,9.36,144.2,8.593652,150,8.05
20,37.5,6.226734,52,6.9,60,7.21,75,7.78,90,8.51,110,9.66,120,10.29,135,11.42,140.1,11.588118,150,10.27

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	6	6.26	6.27	5.83	5.67	5.09	4.32
8	6.4	6.6	6.82	6.83	6.74	6.64	6.26	5.43
10	6.59	6.8	7.12	7.31	7.34	7.29	6.9	6.32
12	6.7	6.92	7.32	7.71	7.8	8.03	7.56	6.83
14	6.77	7.01	7.47	7.96	8.52	8.57	8.38	7.29
16	6.81	7.08	7.59	8.17	8.97	9.07	9.36	8.05
20	6.9	7.21	7.78	8.51	9.66	10.29	11.42	10.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.7	144.5°	3.74
8	40.1°	4.4	147.7°	4.7
10	38.1°	4.68	150°	5.47
12	37°	4.83	150.7°	5.92
14	37.2°	4.88	176°	6.36
16	36.9°	4.94	144.2°	6.97
20	37.5°	4.94	140.1°	8.89

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°	5.65	6.40	6.59	6.70	6.77	6.81	6.90
60°	6.00	6.60	6.80	6.92	7.01	7.08	7.21
75°	6.26	6.82	7.12	7.32	7.47	7.59	7.78
90°	6.27	6.83	7.31	7.71	7.96	8.17	8.51
110°	5.83	6.74	7.34	7.80	8.52	8.97	9.66
120°	5.67	6.64	7.29	8.03	8.57	9.07	10.29
135°	5.09	6.26	6.90	7.56	8.38	9.36	11.42
150°	4.32	5.43	6.32	6.83	7.29	8.05	10.27