Tjorven: ORC Rating

GPH

638.3

OSN

619.4

LOA

11.99 m

Displacement

8816 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.696

Medium

0.9553

High

1.1161

Triple Offshore

Low

0.9066

Medium

1.2018

High

1.3582

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.95 m
Draft: 2.03 m
Displacement: 8816 kg
Crew weight: 780 kg
Wetted surface: 34.33 m²

Sails

Mainsail: 44.52 m²
Genoa: 29.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 86.59 m²

Design

Type: Bavaria 41 Cruiser
Builder: Bavaria
Designer: Farr Yachtdesign
Year built: 2010

Performance data

Polar CSV

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

6,44.7,4.459767,52,4.92,60,5.24,75,5.47,90,5.64,110,5.64,120,5.44,135,4.87,144.5,4.372844,150,4.11
8,42.7,5.252311,52,5.86,60,6.19,75,6.46,90,6.77,110,6.84,120,6.61,135,5.99,147.9,5.312104,150,5.19
10,41.4,5.852467,52,6.6,60,6.92,75,7.17,90,7.49,110,7.56,120,7.43,135,6.97,147.6,6.253494,150,6.1
12,41.2,6.392749,52,7.13,60,7.36,75,7.55,90,7.84,110,7.94,120,7.86,135,7.57,148.1,7.032037,150,6.89
14,40.8,6.710744,52,7.39,60,7.6,75,7.79,90,8.01,110,8.28,120,8.21,135,7.94,150,7.39,150.6,7.357551
16,40.5,6.785849,52,7.49,60,7.73,75,7.97,90,8.13,110,8.61,120,8.58,135,8.28,150,7.72,175.3,6.983483
20,40.9,6.80026,52,7.53,60,7.79,75,8.19,90,8.49,110,9.04,120,9.34,135,9.06,150,8.25,178.3,7.773421

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.24	5.47	5.64	5.64	5.44	4.87	4.11
8	5.86	6.19	6.46	6.77	6.84	6.61	5.99	5.19
10	6.6	6.92	7.17	7.49	7.56	7.43	6.97	6.1
12	7.13	7.36	7.55	7.84	7.94	7.86	7.57	6.89
14	7.39	7.6	7.79	8.01	8.28	8.21	7.94	7.39
16	7.49	7.73	7.97	8.13	8.61	8.58	8.28	7.72
20	7.53	7.79	8.19	8.49	9.04	9.34	9.06	8.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.17	144.5°	3.56
8	42.7°	3.86	147.9°	4.5
10	41.4°	4.39	147.6°	5.28
12	41.2°	4.81	148.1°	5.97
14	40.8°	5.08	150.6°	6.41
16	40.5°	5.16	175.3°	6.96
20	40.9°	5.14	178.3°	7.77

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°	4.92	5.86	6.60	7.13	7.39	7.49	7.53
60°	5.24	6.19	6.92	7.36	7.60	7.73	7.79
75°	5.47	6.46	7.17	7.55	7.79	7.97	8.19
90°	5.64	6.77	7.49	7.84	8.01	8.13	8.49
110°	5.64	6.84	7.56	7.94	8.28	8.61	9.04
120°	5.44	6.61	7.43	7.86	8.21	8.58	9.34
135°	4.87	5.99	6.97	7.57	7.94	8.28	9.06
150°	4.11	5.19	6.10	6.89	7.39	7.72	8.25