MAEÑA 9: ORC Rating

GPH

642.3

OSN

623.4

LOA

10.3 m

Displacement

5402 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6372

Medium

0.8598

High

0.9802

Triple Offshore

Low

0.8194

Medium

1.0541

High

1.1693

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.94 m
Displacement: 5402 kg
Crew weight: 490 kg
Wetted surface: 24.96 m²

Sails

Mainsail: 35.64 m²
Genoa: 34.42 m²
Spinnaker: 75.61 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: Felci Yachts
Year built: 2003
Stability index: 114.3

Performance data

Polar CSV

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

6,43,4.689933,52,5.24,60,5.51,75,5.7,90,5.59,110,5.44,120,5.27,135,4.74,144.8,4.246493,150,4.01
8,41.4,5.519183,52,6.15,60,6.38,75,6.54,90,6.5,110,6.53,120,6.39,135,5.88,149.6,5.13615,150,5.12
10,40,6.030982,52,6.68,60,6.87,75,7.01,90,7.02,110,7.14,120,7.06,135,6.71,150,6.06,153.2,5.892991
12,39.3,6.267444,52,6.94,60,7.12,75,7.29,90,7.33,110,7.53,120,7.49,135,7.22,150,6.77,158.6,6.412075
14,38.8,6.351545,52,7.05,60,7.24,75,7.49,90,7.59,110,7.85,120,7.86,135,7.61,150,7.23,170,6.671353
16,38.8,6.415702,52,7.11,60,7.31,75,7.62,90,7.81,110,8.11,120,8.2,135,7.99,150,7.6,177.2,7.068439
20,39,6.433798,52,7.15,60,7.38,75,7.76,90,8.13,110,8.43,120,8.8,135,8.79,150,8.33,179,7.771184

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.24	5.51	5.7	5.59	5.44	5.27	4.74	4.01
8	6.15	6.38	6.54	6.5	6.53	6.39	5.88	5.12
10	6.68	6.87	7.01	7.02	7.14	7.06	6.71	6.06
12	6.94	7.12	7.29	7.33	7.53	7.49	7.22	6.77
14	7.05	7.24	7.49	7.59	7.85	7.86	7.61	7.23
16	7.11	7.31	7.62	7.81	8.11	8.2	7.99	7.6
20	7.15	7.38	7.76	8.13	8.43	8.8	8.79	8.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.43	144.8°	3.47
8	41.4°	4.14	149.6°	4.43
10	40°	4.62	153.2°	5.26
12	39.3°	4.85	158.6°	5.97
14	38.8°	4.95	170°	6.57
16	38.8°	5	177.2°	7.06
20	39°	5	179°	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°	5.24	6.15	6.68	6.94	7.05	7.11	7.15
60°	5.51	6.38	6.87	7.12	7.24	7.31	7.38
75°	5.70	6.54	7.01	7.29	7.49	7.62	7.76
90°	5.59	6.50	7.02	7.33	7.59	7.81	8.13
110°	5.44	6.53	7.14	7.53	7.85	8.11	8.43
120°	5.27	6.39	7.06	7.49	7.86	8.20	8.80
135°	4.74	5.88	6.71	7.22	7.61	7.99	8.79
150°	4.01	5.12	6.06	6.77	7.23	7.60	8.33