Kwanza: ORC Rating

GPH

571.8

OSN

555.7

LOA

12.35 m

Displacement

7152 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8035

Medium

1.0849

High

1.2418

Triple Offshore

Low

1.0345

Medium

1.3313

High

1.4871

Boat Specifications

Dimensions

Length overall: 12.35 m
Beam: 3.65 m
Draft: 2.51 m
Displacement: 7152 kg
Crew weight: 870 kg
Wetted surface: 32.97 m²

Sails

Mainsail: 53.34 m²
Genoa: 45.76 m²
Spinnaker: 131.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-41
Builder: X-Yachts
Designer: Niels Jeppesen
Year built: 2006

Performance data

Polar CSV

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

6,42.5,5.167662,52,5.78,60,6.08,75,6.33,90,6.25,110,6.12,120,5.97,135,5.41,142.1,5.005804,150,4.56
8,41.1,6.144141,52,6.9,60,7.18,75,7.36,90,7.32,110,7.4,120,7.26,135,6.69,147.4,5.875703,150,5.72
10,39.8,6.794367,52,7.52,60,7.71,75,7.85,90,7.84,110,8.02,120,7.94,135,7.59,149.5,6.812676,150,6.77
12,38.3,6.982881,52,7.75,60,7.95,75,8.15,90,8.19,110,8.46,120,8.43,135,8.1,150,7.58,155.7,7.285469
14,37.8,7.074561,52,7.84,60,8.05,75,8.38,90,8.53,110,8.77,120,8.97,135,8.58,150,8.06,169.2,7.390913
16,38.1,7.167047,52,7.88,60,8.11,75,8.51,90,8.84,110,9.05,120,9.42,135,9.14,150,8.5,180,7.81
20,37.7,7.279864,52,8.01,60,8.23,75,8.63,90,9.24,110,9.54,120,10.05,135,10.5,150,9.55,180,8.67

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.78	6.08	6.33	6.25	6.12	5.97	5.41	4.56
8	6.9	7.18	7.36	7.32	7.4	7.26	6.69	5.72
10	7.52	7.71	7.85	7.84	8.02	7.94	7.59	6.77
12	7.75	7.95	8.15	8.19	8.46	8.43	8.1	7.58
14	7.84	8.05	8.38	8.53	8.77	8.97	8.58	8.06
16	7.88	8.11	8.51	8.84	9.05	9.42	9.14	8.5
20	8.01	8.23	8.63	9.24	9.54	10.05	10.5	9.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.81	142.1°	3.95
8	41.1°	4.63	147.4°	4.95
10	39.8°	5.22	149.5°	5.87
12	38.3°	5.48	155.7°	6.64
14	37.8°	5.59	169.2°	7.26
16	38.1°	5.64	180°	7.81
20	37.7°	5.76	180°	8.67

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°	5.78	6.90	7.52	7.75	7.84	7.88	8.01
60°	6.08	7.18	7.71	7.95	8.05	8.11	8.23
75°	6.33	7.36	7.85	8.15	8.38	8.51	8.63
90°	6.25	7.32	7.84	8.19	8.53	8.84	9.24
110°	6.12	7.40	8.02	8.46	8.77	9.05	9.54
120°	5.97	7.26	7.94	8.43	8.97	9.42	10.05
135°	5.41	6.69	7.59	8.10	8.58	9.14	10.50
150°	4.56	5.72	6.77	7.58	8.06	8.50	9.55