SARASOTA — ORC Rating

GPH

667.7

OSN

654.3

LOA

9.25 m

Displacement

3552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6443

Medium

0.825

High

0.9146

Triple Offshore

Low

0.8204

Medium

0.9971

High

1.0841

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: 19.04 m²

Sails

Mainsail: 28.61 m²
Genoa: 44.27 m²
Spinnaker: 83.28 m²
Asymmetric spinnaker: 0 m²

Design

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

Velocity Prediction

Polar CSV

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

6,42,4.669346,52,5.24,60,5.53,75,5.75,90,5.71,110,5.42,120,5.28,135,4.83,148,4.256834,150,4.17
8,41.6,5.456018,52,6,60,6.16,75,6.28,90,6.28,110,6.26,120,6.19,135,5.86,150,5.138417
10,40.1,5.739152,52,6.27,60,6.42,75,6.55,90,6.57,110,6.66,120,6.61,135,6.4,150,5.96,154.5,5.772308
12,39.4,5.849364,52,6.38,60,6.54,75,6.76,90,6.83,110,7.01,120,7,135,6.77,150,6.43,170,5.919937
14,38.8,5.876783,52,6.43,60,6.6,75,6.89,90,7.07,110,7.25,120,7.37,135,7.17,150,6.78,180,6.32
16,39,5.906226,52,6.45,60,6.64,75,6.98,90,7.26,110,7.41,120,7.66,135,7.55,150,7.14,180,6.66
20,39,5.931962,52,6.47,60,6.66,75,7.05,90,7.45,110,7.67,120,7.97,135,8.2,150,7.84,180,7.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.24	5.53	5.75	5.71	5.42	5.28	4.83	4.17
8	6	6.16	6.28	6.28	6.26	6.19	5.86	5.14
10	6.27	6.42	6.55	6.57	6.66	6.61	6.4	5.96
12	6.38	6.54	6.76	6.83	7.01	7	6.77	6.43
14	6.43	6.6	6.89	7.07	7.25	7.37	7.17	6.78
16	6.45	6.64	6.98	7.26	7.41	7.66	7.55	7.14
20	6.47	6.66	7.05	7.45	7.67	7.97	8.2	7.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.47	148°	3.61
8	41.6°	4.08	150°	4.45
10	40.1°	4.39	154.5°	5.21
12	39.4°	4.52	170°	5.83
14	38.8°	4.58	180°	6.32
16	39°	4.59	180°	6.66
20	39°	4.61	180°	7.35

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