MADAME: ORC Rating

GPH

669.9

OSN

647.4

LOA

11.745 m

Displacement

9048 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5912

Medium

0.8223

High

0.9682

Triple Offshore

Low

0.7663

Medium

1.019

High

1.1534

Boat Specifications

Dimensions

Length overall: 11.745 m
Beam: 3.9 m
Draft: 1.75 m
Displacement: 9048 kg
Crew weight: 600 kg
Wetted surface: 32.07 m²

Sails

Mainsail: 32.15 m²
Genoa: 45.36 m²
Spinnaker: 104.05 m²
Asymmetric spinnaker: 86.71 m²

Design

Type: FIRST 38 SD
Builder: BENETEAU
Designer: BERRET
Year built: 1982
Stability index: 119.1

Performance data

Polar CSV

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

6,45,4.341636,52,4.78,60,5.08,75,5.25,90,5.28,110,5.2,120,5.03,135,4.54,146,4.004644,150,3.83
8,42.9,5.132805,52,5.7,60,5.98,75,6.16,90,6.32,110,6.29,120,6.17,135,5.67,149.6,4.939052,150,4.92
10,41.8,5.71447,52,6.34,60,6.59,75,6.77,90,6.97,110,7.01,120,6.94,135,6.58,150,5.88,151.4,5.797379
12,41.1,6.130871,52,6.75,60,6.94,75,7.12,90,7.32,110,7.4,120,7.37,135,7.13,150,6.65,155.9,6.375747
14,40.6,6.374533,52,6.98,60,7.17,75,7.34,90,7.55,110,7.68,120,7.67,135,7.49,150,7.14,165.8,6.622343
16,40.2,6.480788,52,7.11,60,7.31,75,7.51,90,7.72,110,7.91,120,7.94,135,7.79,150,7.48,175.4,6.952395
20,39.6,6.541095,52,7.22,60,7.43,75,7.73,90,7.92,110,8.35,120,8.44,135,8.36,150,8.02,179,7.581155

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.08	5.25	5.28	5.2	5.03	4.54	3.83
8	5.7	5.98	6.16	6.32	6.29	6.17	5.67	4.92
10	6.34	6.59	6.77	6.97	7.01	6.94	6.58	5.88
12	6.75	6.94	7.12	7.32	7.4	7.37	7.13	6.65
14	6.98	7.17	7.34	7.55	7.68	7.67	7.49	7.14
16	7.11	7.31	7.51	7.72	7.91	7.94	7.79	7.48
20	7.22	7.43	7.73	7.92	8.35	8.44	8.36	8.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.07	146°	3.32
8	42.9°	3.76	149.6°	4.26
10	41.8°	4.26	151.4°	5.09
12	41.1°	4.62	155.9°	5.82
14	40.6°	4.84	165.8°	6.42
16	40.2°	4.95	175.4°	6.93
20	39.6°	5.04	179°	7.58

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°	4.78	5.70	6.34	6.75	6.98	7.11	7.22
60°	5.08	5.98	6.59	6.94	7.17	7.31	7.43
75°	5.25	6.16	6.77	7.12	7.34	7.51	7.73
90°	5.28	6.32	6.97	7.32	7.55	7.72	7.92
110°	5.20	6.29	7.01	7.40	7.68	7.91	8.35
120°	5.03	6.17	6.94	7.37	7.67	7.94	8.44
135°	4.54	5.67	6.58	7.13	7.49	7.79	8.36
150°	3.83	4.92	5.88	6.65	7.14	7.48	8.02