BALBOA: ORC Rating

GPH

587.2

OSN

569

LOA

13.578 m

Displacement

10840 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.669

Medium

0.9325

High

1.1049

Triple Offshore

Low

0.8703

Medium

1.1623

High

1.3289

Boat Specifications

Dimensions

Length overall: 13.578 m
Beam: 4.24 m
Draft: 2.32 m
Displacement: 10840 kg
Crew weight: 610 kg
Wetted surface: 39.79 m²

Sails

Mainsail: 49.76 m²
Genoa: 63.54 m²
Spinnaker: 129.48 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRAND SOLEIL 45 SK
Builder: GRAND SOLEIL
Designer: J&J DESIGN
Year built: 2004

Performance data

Polar CSV

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

6,43.9,4.940663,52,5.5,60,5.85,75,6.15,90,6.1,110,5.76,120,5.62,135,5.09,139.5,4.852671,150,4.26
8,42,5.840046,52,6.57,60,6.93,75,7.23,90,7.2,110,7.05,120,6.89,135,6.32,148.5,5.488834,150,5.4
10,42,6.674338,52,7.41,60,7.69,75,7.9,90,7.9,110,7.95,120,7.84,135,7.36,149,6.498148,150,6.43
12,40.9,7.157472,52,7.87,60,8.08,75,8.25,90,8.28,110,8.42,120,8.35,135,8.04,150,7.35,153,7.182888
14,39.8,7.34104,52,8.09,60,8.3,75,8.51,90,8.56,110,8.81,120,8.76,135,8.47,150,8,159,7.572995
16,39,7.411735,52,8.19,60,8.41,75,8.71,90,8.83,110,9.19,120,9.19,135,8.86,150,8.41,180,7.69
20,39.4,7.557585,52,8.27,60,8.51,75,8.97,90,9.35,110,9.67,120,10.07,135,9.78,150,9.17,180,8.53

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.85	6.15	6.1	5.76	5.62	5.09	4.26
8	6.57	6.93	7.23	7.2	7.05	6.89	6.32	5.4
10	7.41	7.69	7.9	7.9	7.95	7.84	7.36	6.43
12	7.87	8.08	8.25	8.28	8.42	8.35	8.04	7.35
14	8.09	8.3	8.51	8.56	8.81	8.76	8.47	8
16	8.19	8.41	8.71	8.83	9.19	9.19	8.86	8.41
20	8.27	8.51	8.97	9.35	9.67	10.07	9.78	9.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.56	139.5°	3.69
8	42°	4.34	148.5°	4.68
10	42°	4.96	149°	5.57
12	40.9°	5.41	153°	6.4
14	39.8°	5.64	159°	7.07
16	39°	5.76	180°	7.69
20	39.4°	5.84	180°	8.53

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°	5.50	6.57	7.41	7.87	8.09	8.19	8.27
60°	5.85	6.93	7.69	8.08	8.30	8.41	8.51
75°	6.15	7.23	7.90	8.25	8.51	8.71	8.97
90°	6.10	7.20	7.90	8.28	8.56	8.83	9.35
110°	5.76	7.05	7.95	8.42	8.81	9.19	9.67
120°	5.62	6.89	7.84	8.35	8.76	9.19	10.07
135°	5.09	6.32	7.36	8.04	8.47	8.86	9.78
150°	4.26	5.40	6.43	7.35	8.00	8.41	9.17