SARASOTA — ORC Rating

GPH

676.3

OSN

660.1

LOA

9.25 m

Displacement

3551 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6302

Medium

0.8193

High

0.9119

Triple Offshore

Low

0.8021

Medium

0.989

High

1.0778

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.16 m
Draft: 1.7 m
Displacement: 3551 kg
Crew weight: 472 kg
Wetted surface: 19.04 m²

Sails

Mainsail: 22.49 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
Stability index: 122.3

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.

6,41.8,4.54743,52,5.1,60,5.37,75,5.58,90,5.5,110,5.27,120,5.14,135,4.71,147.8,4.159807,150,4.06
8,41.8,5.392528,52,5.92,60,6.08,75,6.19,90,6.17,110,6.18,120,6.1,135,5.74,150,5.03,150.5,5.009446
10,40,5.717684,52,6.24,60,6.37,75,6.48,90,6.49,110,6.59,120,6.55,135,6.33,150,5.89,153.7,5.72234
12,39,5.829021,52,6.36,60,6.52,75,6.7,90,6.74,110,6.94,120,6.92,135,6.71,150,6.38,164,5.981722
14,38.4,5.869642,52,6.42,60,6.6,75,6.86,90,6.98,110,7.2,120,7.29,135,7.09,150,6.73,177.2,6.247459
16,38.7,5.91981,52,6.46,60,6.64,75,6.96,90,7.18,110,7.36,120,7.59,135,7.47,150,7.08,178.4,6.582566
20,38.8,5.928108,52,6.45,60,6.66,75,7.04,90,7.42,110,7.69,120,7.91,135,8.13,150,7.78,178.4,7.242824

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.1	5.37	5.58	5.5	5.27	5.14	4.71	4.06
8	5.92	6.08	6.19	6.17	6.18	6.1	5.74	5.03
10	6.24	6.37	6.48	6.49	6.59	6.55	6.33	5.89
12	6.36	6.52	6.7	6.74	6.94	6.92	6.71	6.38
14	6.42	6.6	6.86	6.98	7.2	7.29	7.09	6.73
16	6.46	6.64	6.96	7.18	7.36	7.59	7.47	7.08
20	6.45	6.66	7.04	7.42	7.69	7.91	8.13	7.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.39	147.8°	3.52
8	41.8°	4.02	150.5°	4.36
10	40°	4.38	153.7°	5.13
12	39°	4.53	164°	5.75
14	38.4°	4.6	177.2°	6.24
16	38.7°	4.62	178.4°	6.58
20	38.8°	4.62	178.4°	7.24

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