SARASOTA: ORC Rating

GPH

669.1

OSN

655.2

LOA

9.25 m

Displacement

3552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7236

Medium

0.9268

High

1.0265

Triple Offshore

Low

0.9199

Medium

1.1203

High

1.2178

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.16 m
Draft: 1.7 m
Displacement: 3552 kg
Crew weight: 472 kg
Wetted surface: 19.06 m²

Sails

Mainsail: 28.61 m²
Genoa: 42.35 m²
Spinnaker: 83.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 3800
Builder: Dufour
Designer: G.Frers
Year built: 1978

Performance data

Polar CSV

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

6,41.6,4.626917,52,5.21,60,5.49,75,5.69,90,5.63,110,5.39,120,5.26,135,4.82,148,4.256834,150,4.16
8,41.7,5.464494,52,5.99,60,6.15,75,6.26,90,6.25,110,6.25,120,6.18,135,5.85,150,5.13,150.4,5.106413
10,40,5.717684,52,6.27,60,6.41,75,6.54,90,6.55,110,6.66,120,6.61,135,6.39,150,5.95,154.3,5.78197
12,39.3,5.828077,52,6.37,60,6.53,75,6.75,90,6.82,110,7.01,120,7,135,6.76,150,6.43,170.5,5.911067
14,39.1,5.888823,52,6.42,60,6.6,75,6.89,90,7.06,110,7.25,120,7.37,135,7.16,150,6.77,180,6.32
16,39.3,5.905612,52,6.44,60,6.63,75,6.98,90,7.25,110,7.42,120,7.66,135,7.54,150,7.14,180,6.66
20,39.4,5.952893,52,6.47,60,6.64,75,7.04,90,7.45,110,7.68,120,7.96,135,8.2,150,7.83,180,7.34

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.21	5.49	5.69	5.63	5.39	5.26	4.82	4.16
8	5.99	6.15	6.26	6.25	6.25	6.18	5.85	5.13
10	6.27	6.41	6.54	6.55	6.66	6.61	6.39	5.95
12	6.37	6.53	6.75	6.82	7.01	7	6.76	6.43
14	6.42	6.6	6.89	7.06	7.25	7.37	7.16	6.77
16	6.44	6.63	6.98	7.25	7.42	7.66	7.54	7.14
20	6.47	6.64	7.04	7.45	7.68	7.96	8.2	7.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.46	148°	3.61
8	41.7°	4.08	150.4°	4.44
10	40°	4.38	154.3°	5.21
12	39.3°	4.51	170.5°	5.83
14	39.1°	4.57	180°	6.32
16	39.3°	4.57	180°	6.66
20	39.4°	4.6	180°	7.34

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°	5.21	5.99	6.27	6.37	6.42	6.44	6.47
60°	5.49	6.15	6.41	6.53	6.60	6.63	6.64
75°	5.69	6.26	6.54	6.75	6.89	6.98	7.04
90°	5.63	6.25	6.55	6.82	7.06	7.25	7.45
110°	5.39	6.25	6.66	7.01	7.25	7.42	7.68
120°	5.26	6.18	6.61	7.00	7.37	7.66	7.96
135°	4.82	5.85	6.39	6.76	7.16	7.54	8.20
150°	4.16	5.13	5.95	6.43	6.77	7.14	7.83