Spiralis: ORC Rating

GPH

631.4

OSN

610.6

LOA

11.25 m

Displacement

7421 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7039

Medium

0.9791

High

1.1563

Triple Offshore

Low

0.9119

Medium

1.2162

High

1.3861

Boat Specifications

Dimensions

Length overall: 11.25 m
Beam: 3.75 m
Draft: 2.02 m
Displacement: 7421 kg
Crew weight: 755 kg
Wetted surface: 32.28 m²

Sails

Mainsail: 46.62 m²
Genoa: 26.9 m²
Spinnaker: 91.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: Hanse 370
Builder: Hanse Yachts
Designer: Judel/Vrolijk
Year built: 2005

Performance data

Polar CSV

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

6,43.6,4.446458,52,4.95,60,5.24,75,5.49,90,5.54,110,5.59,120,5.42,135,4.9,145,4.370373,150,4.13
8,42,5.288337,52,5.92,60,6.24,75,6.5,90,6.71,110,6.8,120,6.61,135,6.03,149.7,5.246726,150,5.23
10,41.7,6.000229,52,6.72,60,7,75,7.2,90,7.43,110,7.51,120,7.4,135,6.97,150,6.19,152,6.070575
12,40.7,6.515996,52,7.21,60,7.41,75,7.57,90,7.77,110,7.91,120,7.83,135,7.54,150,7.01,155.4,6.730925
14,39.7,6.74552,52,7.44,60,7.63,75,7.82,90,7.92,110,8.29,120,8.21,135,7.91,150,7.53,170.8,6.868353
16,39.3,6.810191,52,7.53,60,7.75,75,8.02,90,8.13,110,8.65,120,8.64,135,8.29,150,7.88,180,7.35
20,39.2,6.865008,52,7.56,60,7.81,75,8.25,90,8.64,110,9.07,120,9.47,135,9.18,150,8.63,180,8.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.24	5.49	5.54	5.59	5.42	4.9	4.13
8	5.92	6.24	6.5	6.71	6.8	6.61	6.03	5.23
10	6.72	7	7.2	7.43	7.51	7.4	6.97	6.19
12	7.21	7.41	7.57	7.77	7.91	7.83	7.54	7.01
14	7.44	7.63	7.82	7.92	8.29	8.21	7.91	7.53
16	7.53	7.75	8.02	8.13	8.65	8.64	8.29	7.88
20	7.56	7.81	8.25	8.64	9.07	9.47	9.18	8.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.22	145°	3.58
8	42°	3.93	149.7°	4.53
10	41.7°	4.48	152°	5.36
12	40.7°	4.94	155.4°	6.12
14	39.7°	5.19	170.8°	6.78
16	39.3°	5.27	180°	7.35
20	39.2°	5.32	180°	8.06

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°	4.95	5.92	6.72	7.21	7.44	7.53	7.56
60°	5.24	6.24	7.00	7.41	7.63	7.75	7.81
75°	5.49	6.50	7.20	7.57	7.82	8.02	8.25
90°	5.54	6.71	7.43	7.77	7.92	8.13	8.64
110°	5.59	6.80	7.51	7.91	8.29	8.65	9.07
120°	5.42	6.61	7.40	7.83	8.21	8.64	9.47
135°	4.90	6.03	6.97	7.54	7.91	8.29	9.18
150°	4.13	5.23	6.19	7.01	7.53	7.88	8.63