TIAMAT: ORC Rating

GPH

620.7

OSN

599.8

LOA

11.97 m

Displacement

8378 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6294

Medium

0.8799

High

1.0359

Triple Offshore

Low

0.8184

Medium

1.1026

High

1.2668

Boat Specifications

Dimensions

Length overall: 11.97 m
Beam: 4.2 m
Draft: 2.04 m
Displacement: 8378 kg
Crew weight: 500 kg
Wetted surface: 34.46 m²

Sails

Mainsail: 43.51 m²
Genoa: 48.37 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 126.23 m²

Design

Type: Oceanis 41
Builder: Beneteau
Designer: Finot/Conq
Year built: 2012
Stability index: 122.5

Performance data

Polar CSV

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

6,45,4.553768,52,5.01,60,5.36,75,5.62,90,5.55,110,5.64,120,5.47,135,4.9,144.2,4.426285,150,4.15
8,43.2,5.446051,52,6.06,60,6.4,75,6.67,90,6.77,110,6.91,120,6.72,135,6.13,146.9,5.467229,150,5.29
10,42.4,6.175052,52,6.88,60,7.17,75,7.38,90,7.58,110,7.68,120,7.57,135,7.14,147.1,6.467212,150,6.28
12,41.2,6.711722,52,7.39,60,7.59,75,7.75,90,8.01,110,8.13,120,8.05,135,7.75,148,7.228364,150,7.07
14,40,6.996983,52,7.67,60,7.85,75,8.03,90,8.34,110,8.59,120,8.5,135,8.17,149.6,7.594083,150,7.56
16,39.9,7.169252,52,7.82,60,8.04,75,8.28,90,8.53,110,9.06,120,9,135,8.62,150,7.89,170,7.067369
20,39.4,7.247,52,7.93,60,8.2,75,8.71,90,8.98,110,9.81,120,10.08,135,9.61,150,8.5,176.3,7.846355

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.36	5.62	5.55	5.64	5.47	4.9	4.15
8	6.06	6.4	6.67	6.77	6.91	6.72	6.13	5.29
10	6.88	7.17	7.38	7.58	7.68	7.57	7.14	6.28
12	7.39	7.59	7.75	8.01	8.13	8.05	7.75	7.07
14	7.67	7.85	8.03	8.34	8.59	8.5	8.17	7.56
16	7.82	8.04	8.28	8.53	9.06	9	8.62	7.89
20	7.93	8.2	8.71	8.98	9.81	10.08	9.61	8.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.22	144.2°	3.59
8	43.2°	3.97	146.9°	4.58
10	42.4°	4.56	147.1°	5.43
12	41.2°	5.05	148°	6.13
14	40°	5.36	149.6°	6.55
16	39.9°	5.5	170°	6.96
20	39.4°	5.6	176.3°	7.83

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°	5.01	6.06	6.88	7.39	7.67	7.82	7.93
60°	5.36	6.40	7.17	7.59	7.85	8.04	8.20
75°	5.62	6.67	7.38	7.75	8.03	8.28	8.71
90°	5.55	6.77	7.58	8.01	8.34	8.53	8.98
110°	5.64	6.91	7.68	8.13	8.59	9.06	9.81
120°	5.47	6.72	7.57	8.05	8.50	9.00	10.08
135°	4.90	6.13	7.14	7.75	8.17	8.62	9.61
150°	4.15	5.29	6.28	7.07	7.56	7.89	8.50