FANYTAS: ORC Rating

GPH

660.7

OSN

639.5

LOA

10.3 m

Displacement

5345 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6034

Medium

0.8347

High

0.9718

Triple Offshore

Low

0.7812

Medium

1.0311

High

1.1613

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.93 m
Displacement: 5345 kg
Crew weight: 524 kg
Wetted surface: 24.93 m²

Sails

Mainsail: 31.74 m²
Genoa: 33.13 m²
Spinnaker: 70.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: DUFOUR
Year built: 2002
Stability index: 116.3

Performance data

Polar CSV

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

6,43.6,4.377414,52,4.89,60,5.2,75,5.44,90,5.36,110,5.26,120,5.1,135,4.6,146,4.064954,150,3.9
8,41.8,5.151071,52,5.81,60,6.13,75,6.38,90,6.35,110,6.4,120,6.23,135,5.68,150,4.96,150.2,4.955256
10,41.8,5.862026,52,6.51,60,6.74,75,6.91,90,6.97,110,7.06,120,6.97,135,6.58,150,5.88,152,5.776107
12,40.6,6.269169,52,6.88,60,7.05,75,7.21,90,7.31,110,7.43,120,7.37,135,7.11,150,6.65,156.5,6.368176
14,39.7,6.394597,52,7.04,60,7.23,75,7.42,90,7.49,110,7.78,120,7.72,135,7.46,150,7.12,167.3,6.622011
16,39.3,6.44836,52,7.11,60,7.31,75,7.59,90,7.73,110,8.12,120,8.1,135,7.82,150,7.45,177.2,6.968319
20,39.6,6.463224,52,7.14,60,7.36,75,7.77,90,8.15,110,8.51,120,8.85,135,8.64,150,8.17,179,7.611159

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.2	5.44	5.36	5.26	5.1	4.6	3.9
8	5.81	6.13	6.38	6.35	6.4	6.23	5.68	4.96
10	6.51	6.74	6.91	6.97	7.06	6.97	6.58	5.88
12	6.88	7.05	7.21	7.31	7.43	7.37	7.11	6.65
14	7.04	7.23	7.42	7.49	7.78	7.72	7.46	7.12
16	7.11	7.31	7.59	7.73	8.12	8.1	7.82	7.45
20	7.14	7.36	7.77	8.15	8.51	8.85	8.64	8.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.17	146°	3.37
8	41.8°	3.84	150.2°	4.3
10	41.8°	4.37	152°	5.1
12	40.6°	4.76	156.5°	5.84
14	39.7°	4.92	167.3°	6.46
16	39.3°	4.99	177.2°	6.96
20	39.6°	4.98	179°	7.61

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°	4.89	5.81	6.51	6.88	7.04	7.11	7.14
60°	5.20	6.13	6.74	7.05	7.23	7.31	7.36
75°	5.44	6.38	6.91	7.21	7.42	7.59	7.77
90°	5.36	6.35	6.97	7.31	7.49	7.73	8.15
110°	5.26	6.40	7.06	7.43	7.78	8.12	8.51
120°	5.10	6.23	6.97	7.37	7.72	8.10	8.85
135°	4.60	5.68	6.58	7.11	7.46	7.82	8.64
150°	3.90	4.96	5.88	6.65	7.12	7.45	8.17