FLIN: ORC Rating

GPH

567.8

OSN

551.8

LOA

12.469 m

Displacement

6669 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.808

Medium

1.0922

High

1.2527

Triple Offshore

Low

1.0413

Medium

1.3408

High

1.5008

Boat Specifications

Dimensions

Length overall: 12.469 m
Beam: 3.69 m
Draft: 2.7 m
Displacement: 6669 kg
Crew weight: 793 kg
Wetted surface: 33.11 m²

Sails

Mainsail: 48.48 m²
Genoa: 42.01 m²
Spinnaker: 139.4 m²
Asymmetric spinnaker: 0 m²

Design

Type: BH 41 MOD
Builder: Bashford boats pty
Designer: J. Murray
Year built: 1996

Performance data

Polar CSV

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

6,42.1,5.161893,52,5.8,60,6.12,75,6.38,90,6.28,110,6.18,120,6.04,135,5.44,142.4,5.023415,150,4.6
8,40.6,6.137464,52,6.92,60,7.2,75,7.4,90,7.35,110,7.47,120,7.35,135,6.78,146.4,5.978957,150,5.75
10,39.4,6.794062,52,7.55,60,7.75,75,7.9,90,7.88,110,8.08,120,8.03,135,7.71,148,6.992528,150,6.85
12,38.1,6.976434,52,7.77,60,7.99,75,8.21,90,8.24,110,8.46,120,8.54,135,8.23,150,7.69,155.1,7.408681
14,37.6,7.068122,52,7.87,60,8.09,75,8.44,90,8.58,110,8.74,120,9.05,135,8.77,150,8.17,165.1,7.574691
16,37.5,7.159483,52,7.92,60,8.16,75,8.58,90,8.9,110,9.01,120,9.39,135,9.38,150,8.66,180,7.88
20,37.5,7.348554,52,8.08,60,8.31,75,8.7,90,9.31,110,9.55,120,10.01,135,10.85,150,9.82,180,8.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.8	6.12	6.38	6.28	6.18	6.04	5.44	4.6
8	6.92	7.2	7.4	7.35	7.47	7.35	6.78	5.75
10	7.55	7.75	7.9	7.88	8.08	8.03	7.71	6.85
12	7.77	7.99	8.21	8.24	8.46	8.54	8.23	7.69
14	7.87	8.09	8.44	8.58	8.74	9.05	8.77	8.17
16	7.92	8.16	8.58	8.9	9.01	9.39	9.38	8.66
20	8.08	8.31	8.7	9.31	9.55	10.01	10.85	9.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.83	142.4°	3.98
8	40.6°	4.66	146.4°	4.98
10	39.4°	5.25	148°	5.93
12	38.1°	5.49	155.1°	6.72
14	37.6°	5.6	165.1°	7.32
16	37.5°	5.68	180°	7.88
20	37.5°	5.83	180°	8.79

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°	5.80	6.92	7.55	7.77	7.87	7.92	8.08
60°	6.12	7.20	7.75	7.99	8.09	8.16	8.31
75°	6.38	7.40	7.90	8.21	8.44	8.58	8.70
90°	6.28	7.35	7.88	8.24	8.58	8.90	9.31
110°	6.18	7.47	8.08	8.46	8.74	9.01	9.55
120°	6.04	7.35	8.03	8.54	9.05	9.39	10.01
135°	5.44	6.78	7.71	8.23	8.77	9.38	10.85
150°	4.60	5.75	6.85	7.69	8.17	8.66	9.82