MAKOSA: ORC Rating

GPH

620.1

OSN

599.7

LOA

14.94 m

Displacement

14000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6889

Medium

0.9784

High

1.1792

Triple Offshore

Low

0.9049

Medium

1.2481

High

1.4578

Boat Specifications

Dimensions

Length overall: 14.94 m
Beam: 4.55 m
Draft: 2.13 m
Displacement: 14000 kg
Crew weight: 1047 kg
Wetted surface: 46.52 m²

Sails

Mainsail: 43.51 m²
Genoa: 67.68 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 121.15 m²

Design

Type: DUFOUR 50 CLASSIC
Builder: DUFOUR
Designer: Poncin/Berret
Year built: 1998

Performance data

Polar CSV

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

6,46.2,4.536634,52,4.98,60,5.4,75,5.74,90,5.67,110,5.5,120,5.31,135,4.74,144.6,4.244733,150,3.99
8,44.3,5.449266,52,6.07,60,6.48,75,6.84,90,6.8,110,6.8,120,6.58,135,5.97,146.7,5.324193,150,5.14
10,43.6,6.213995,52,6.91,60,7.34,75,7.69,90,7.7,110,7.84,120,7.66,135,7.02,147.1,6.31238,150,6.12
12,43.1,6.834097,52,7.59,60,7.94,75,8.21,90,8.32,110,8.45,120,8.34,135,7.91,146.6,7.234851,150,6.98
14,42.6,7.281648,52,8,60,8.28,75,8.51,90,8.69,110,8.84,120,8.76,135,8.45,147.4,7.893621,150,7.68
16,41.9,7.44312,52,8.21,60,8.48,75,8.74,90,8.91,110,9.2,120,9.13,135,8.83,149.2,8.207601,150,8.14
20,41.7,7.55386,52,8.32,60,8.61,75,9.04,90,9.28,110,9.93,120,9.96,135,9.59,150,8.75,173.6,8.140734

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.4	5.74	5.67	5.5	5.31	4.74	3.99
8	6.07	6.48	6.84	6.8	6.8	6.58	5.97	5.14
10	6.91	7.34	7.69	7.7	7.84	7.66	7.02	6.12
12	7.59	7.94	8.21	8.32	8.45	8.34	7.91	6.98
14	8	8.28	8.51	8.69	8.84	8.76	8.45	7.68
16	8.21	8.48	8.74	8.91	9.2	9.13	8.83	8.14
20	8.32	8.61	9.04	9.28	9.93	9.96	9.59	8.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.2°	3.14	144.6°	3.46
8	44.3°	3.9	146.7°	4.45
10	43.6°	4.5	147.1°	5.3
12	43.1°	4.99	146.6°	6.04
14	42.6°	5.36	147.4°	6.65
16	41.9°	5.54	149.2°	7.05
20	41.7°	5.64	173.6°	8.09

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°	4.98	6.07	6.91	7.59	8.00	8.21	8.32
60°	5.40	6.48	7.34	7.94	8.28	8.48	8.61
75°	5.74	6.84	7.69	8.21	8.51	8.74	9.04
90°	5.67	6.80	7.70	8.32	8.69	8.91	9.28
110°	5.50	6.80	7.84	8.45	8.84	9.20	9.93
120°	5.31	6.58	7.66	8.34	8.76	9.13	9.96
135°	4.74	5.97	7.02	7.91	8.45	8.83	9.59
150°	3.99	5.14	6.12	6.98	7.68	8.14	8.75