SIC TUTIUS: ORC Rating

GPH

701.7

OSN

676.3

LOA

9.66 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5603

Medium

0.7846

High

0.9449

Triple Offshore

Low

0.724

Medium

0.9735

High

1.1273

Boat Specifications

Dimensions

Length overall: 9.66 m
Beam: 3.39 m
Draft: 1.83 m
Displacement: 4700 kg
Crew weight: 480 kg
Wetted surface: 23.65 m²

Sails

Mainsail: 25.6 m²
Genoa: 23.83 m²
Spinnaker: 67.45 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 325 GL DK
Builder: Dufour Yachts
Designer: Felci
Year built: 2007
Stability index: 121.1

Performance data

Polar CSV

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

6,44.8,3.988327,52,4.38,60,4.65,75,4.82,90,4.93,110,5.02,120,4.87,135,4.4,146.6,3.892925,150,3.75
8,43.2,4.773868,52,5.28,60,5.55,75,5.74,90,5.97,110,6.1,120,5.94,135,5.46,150,4.8,150.2,4.793922
10,42,5.328706,52,5.92,60,6.18,75,6.38,90,6.67,110,6.78,120,6.68,135,6.3,150,5.68,153.8,5.505661
12,41.1,5.785844,52,6.39,60,6.6,75,6.78,90,7.08,110,7.21,120,7.13,135,6.86,150,6.4,157.7,6.085107
14,39.9,6.113416,52,6.72,60,6.89,75,7.06,90,7.32,110,7.56,120,7.51,135,7.25,150,6.89,169.1,6.344462
16,39.3,6.293289,52,6.91,60,7.09,75,7.28,90,7.45,110,7.87,120,7.85,135,7.61,150,7.25,177.2,6.738044
20,39.6,6.398333,52,7.04,60,7.27,75,7.62,90,7.76,110,8.32,120,8.52,135,8.33,150,7.92,179,7.411129

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.38	4.65	4.82	4.93	5.02	4.87	4.4	3.75
8	5.28	5.55	5.74	5.97	6.1	5.94	5.46	4.8
10	5.92	6.18	6.38	6.67	6.78	6.68	6.3	5.68
12	6.39	6.6	6.78	7.08	7.21	7.13	6.86	6.4
14	6.72	6.89	7.06	7.32	7.56	7.51	7.25	6.89
16	6.91	7.09	7.28	7.45	7.87	7.85	7.61	7.25
20	7.04	7.27	7.62	7.76	8.32	8.52	8.33	7.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	2.83	146.6°	3.25
8	43.2°	3.48	150.2°	4.16
10	42°	3.96	153.8°	4.94
12	41.1°	4.36	157.7°	5.63
14	39.9°	4.69	169.1°	6.23
16	39.3°	4.87	177.2°	6.73
20	39.6°	4.93	179°	7.41

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°	4.38	5.28	5.92	6.39	6.72	6.91	7.04
60°	4.65	5.55	6.18	6.60	6.89	7.09	7.27
75°	4.82	5.74	6.38	6.78	7.06	7.28	7.62
90°	4.93	5.97	6.67	7.08	7.32	7.45	7.76
110°	5.02	6.10	6.78	7.21	7.56	7.87	8.32
120°	4.87	5.94	6.68	7.13	7.51	7.85	8.52
135°	4.40	5.46	6.30	6.86	7.25	7.61	8.33
150°	3.75	4.80	5.68	6.40	6.89	7.25	7.92