ARIADNI II — ORC Rating

GPH

750.1

OSN

728.7

LOA

9.1 m

Displacement

4500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5284

Medium

0.7204

High

0.8478

Triple Offshore

Low

0.6867

Medium

0.9077

High

1.0303

Boat Specifications

Dimensions

Length overall: 9.1 m
Beam: 3.24 m
Draft: 1.67 m
Displacement: 4500 kg
Crew weight: 494 kg
Wetted surface: 21.42 m²

Sails

Mainsail: 20.57 m²
Genoa: 29.4 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.78 m²

Design

Type: DISCOVERY 3000
Builder: DROMOR
Designer: ED DUBOIS
Year built: 1987

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.

6,45.8,3.815452,52,4.16,60,4.45,75,4.67,90,4.71,110,4.8,120,4.64,135,4.21,146,3.7634,150,3.6
8,43.5,4.452873,52,4.97,60,5.29,75,5.54,90,5.71,110,5.83,120,5.66,135,5.18,146.5,4.688891,150,4.52
10,43.1,5.012584,52,5.6,60,5.91,75,6.12,90,6.35,110,6.43,120,6.34,135,6.02,145.5,5.569535,150,5.29
12,42.8,5.492485,52,6.04,60,6.26,75,6.43,90,6.66,110,6.76,120,6.7,135,6.49,147,6.081053,150,5.89
14,41.6,5.750215,52,6.29,60,6.46,75,6.63,90,6.84,110,7.07,120,7.01,135,6.8,150,6.27,174,5.510185
16,40.9,5.821234,52,6.4,60,6.59,75,6.8,90,6.93,110,7.36,120,7.35,135,7.1,150,6.55,176,6.0347
20,41.2,5.847837,52,6.43,60,6.66,75,7.02,90,7.25,110,7.74,120,7.93,135,7.72,150,7.01,178,6.634041

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.16	4.45	4.67	4.71	4.8	4.64	4.21	3.6
8	4.97	5.29	5.54	5.71	5.83	5.66	5.18	4.52
10	5.6	5.91	6.12	6.35	6.43	6.34	6.02	5.29
12	6.04	6.26	6.43	6.66	6.76	6.7	6.49	5.89
14	6.29	6.46	6.63	6.84	7.07	7.01	6.8	6.27
16	6.4	6.59	6.8	6.93	7.36	7.35	7.1	6.55
20	6.43	6.66	7.02	7.25	7.74	7.93	7.72	7.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.66	146°	3.12
8	43.5°	3.23	146.5°	3.91
10	43.1°	3.66	145.5°	4.59
12	42.8°	4.03	147°	5.1
14	41.6°	4.3	174°	5.48
16	40.9°	4.4	176°	6.02
20	41.2°	4.4	178°	6.63

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