TANGARD: ORC Rating

GPH

665.5

OSN

643.6

LOA

10.3 m

Displacement

5700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5951

Medium

0.828

High

0.9758

Triple Offshore

Low

0.7717

Medium

1.0248

High

1.1619

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.95 m
Displacement: 5700 kg
Crew weight: 641 kg
Wetted surface: 25.73 m²

Sails

Mainsail: 31.46 m²
Genoa: 30.78 m²
Spinnaker: 80.4 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUF 34 DK Le Sdt
Builder: DUFOUR YACHTS
Designer: FELCI Umberto
Year built: 2002
Stability index: 110.4

Performance data

Polar CSV

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

6,44.7,4.31908,52,4.76,60,5.06,75,5.29,90,5.22,110,5.3,120,5.15,135,4.67,146,4.101141,150,3.92
8,42.6,5.067266,52,5.67,60,5.99,75,6.25,90,6.3,110,6.44,120,6.28,135,5.74,150,4.98,150.5,4.963488
10,42,5.705483,52,6.37,60,6.64,75,6.84,90,6.98,110,7.09,120,7.01,135,6.66,150,5.92,150.7,5.88256
12,41.1,6.197222,52,6.8,60,6.99,75,7.14,90,7.3,110,7.45,120,7.39,135,7.16,150,6.72,156.5,6.422698
14,39.6,6.385354,52,7.02,60,7.19,75,7.36,90,7.44,110,7.77,120,7.74,135,7.5,150,7.16,166.7,6.668867
16,39,6.446665,52,7.11,60,7.31,75,7.54,90,7.63,110,8.08,120,8.11,135,7.86,150,7.48,177.2,6.988343
20,39,6.485268,52,7.16,60,7.38,75,7.75,90,8.06,110,8.42,120,8.79,135,8.66,150,8.18,179,7.621161

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.76	5.06	5.29	5.22	5.3	5.15	4.67	3.92
8	5.67	5.99	6.25	6.3	6.44	6.28	5.74	4.98
10	6.37	6.64	6.84	6.98	7.09	7.01	6.66	5.92
12	6.8	6.99	7.14	7.3	7.45	7.39	7.16	6.72
14	7.02	7.19	7.36	7.44	7.77	7.74	7.5	7.16
16	7.11	7.31	7.54	7.63	8.08	8.11	7.86	7.48
20	7.16	7.38	7.75	8.06	8.42	8.79	8.66	8.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.07	146°	3.4
8	42.6°	3.73	150.5°	4.32
10	42°	4.24	150.7°	5.13
12	41.1°	4.67	156.5°	5.89
14	39.6°	4.92	166.7°	6.49
16	39°	5.01	177.2°	6.98
20	39°	5.04	179°	7.62

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°	4.76	5.67	6.37	6.80	7.02	7.11	7.16
60°	5.06	5.99	6.64	6.99	7.19	7.31	7.38
75°	5.29	6.25	6.84	7.14	7.36	7.54	7.75
90°	5.22	6.30	6.98	7.30	7.44	7.63	8.06
110°	5.30	6.44	7.09	7.45	7.77	8.08	8.42
120°	5.15	6.28	7.01	7.39	7.74	8.11	8.79
135°	4.67	5.74	6.66	7.16	7.50	7.86	8.66
150°	3.92	4.98	5.92	6.72	7.16	7.48	8.18