NANO: ORC Rating

GPH

620.1

OSN

604.7

LOA

7.99 m

Displacement

1400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6805

Medium

0.8691

High

0.9872

Triple Offshore

Low

0.8692

Medium

1.0776

High

1.2131

Boat Specifications

Dimensions

Length overall: 7.99 m
Beam: 2.54 m
Draft: 1.95 m
Displacement: 1400 kg
Crew weight: 300 kg
Wetted surface: 15.41 m²

Sails

Mainsail: 26.41 m²
Genoa: 18.1 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 61.83 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.

6,42.8,4.811035,52,5.37,60,5.68,75,5.91,90,5.89,110,5.97,120,5.83,135,5.27,144,4.771222,150,4.45
8,41.2,5.728222,52,6.32,60,6.49,75,6.61,90,6.7,110,6.85,120,6.75,135,6.4,147,5.794886,150,5.62
10,38.8,5.966603,52,6.6,60,6.81,75,7.07,90,7.1,110,7.52,120,7.51,135,7.04,150,6.49,151.5,6.39496
12,38.2,6.006183,52,6.68,60,6.92,75,7.38,90,7.67,110,7.96,120,8.32,135,7.81,150,6.985938
14,39,6.124976,52,6.72,60,6.98,75,7.53,90,8.1,110,8.4,120,8.86,135,8.82,146.5,7.926745,150,7.63
16,38.8,6.159074,52,6.81,60,7.08,75,7.6,90,8.32,110,8.76,120,9.38,135,9.99,144.5,9.065053,150,8.52
20,40.5,6.207211,52,6.81,60,7.15,75,7.86,90,8.49,110,9.78,120,10.29,135,11.89,141.2,12.369473,150,11.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.37	5.68	5.91	5.89	5.97	5.83	5.27	4.45
8	6.32	6.49	6.61	6.7	6.85	6.75	6.4	5.62
10	6.6	6.81	7.07	7.1	7.52	7.51	7.04	6.49
12	6.68	6.92	7.38	7.67	7.96	8.32	7.81	6.99
14	6.72	6.98	7.53	8.1	8.4	8.86	8.82	7.63
16	6.81	7.08	7.6	8.32	8.76	9.38	9.99	8.52
20	6.81	7.15	7.86	8.49	9.78	10.29	11.89	11.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.53	144°	3.86
8	41.2°	4.31	147°	4.86
10	38.8°	4.65	151.5°	5.62
12	38.2°	4.72	150°	6.05
14	39°	4.76	146.5°	6.61
16	38.8°	4.8	144.5°	7.38
20	40.5°	4.72	141.2°	9.64

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°	5.37	6.32	6.60	6.68	6.72	6.81	6.81
60°	5.68	6.49	6.81	6.92	6.98	7.08	7.15
75°	5.91	6.61	7.07	7.38	7.53	7.60	7.86
90°	5.89	6.70	7.10	7.67	8.10	8.32	8.49
110°	5.97	6.85	7.52	7.96	8.40	8.76	9.78
120°	5.83	6.75	7.51	8.32	8.86	9.38	10.29
135°	5.27	6.40	7.04	7.81	8.82	9.99	11.89
150°	4.45	5.62	6.49	6.99	7.63	8.52	11.13