ARIADNI II — ORC Rating

GPH

784.2

OSN

756.4

LOA

9.1 m

Displacement

4500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5548

Medium

0.791

High

0.954

Triple Offshore

Low

0.7221

Medium

0.9837

High

1.1395

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: 21.47 m²

Sails

Mainsail: 20.57 m²
Genoa: 30.6 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 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.

6,45.4,3.831074,52,4.2,60,4.49,75,4.7,90,4.65,110,4.26,120,3.98,135,3.49,150,2.97,167.4,2.674408
8,43.4,4.486807,52,5.01,60,5.32,75,5.57,90,5.52,110,5.17,120,4.89,135,4.41,150,3.87,168.1,3.525772
10,43,5.045438,52,5.64,60,5.94,75,6.15,90,6.16,110,5.93,120,5.67,135,5.15,150,4.63,169.4,4.262742
12,42.7,5.538058,52,6.07,60,6.28,75,6.44,90,6.48,110,6.38,120,6.23,135,5.83,150,5.29,170.3,4.910199
14,41.5,5.768031,52,6.3,60,6.48,75,6.65,90,6.7,110,6.65,120,6.55,135,6.29,150,5.89,170.4,5.527406
16,40.8,5.838876,52,6.41,60,6.6,75,6.81,90,6.93,110,6.9,120,6.8,135,6.57,150,6.31,172.5,6.031601
20,41,5.856557,52,6.44,60,6.66,75,7.03,90,7.27,110,7.4,120,7.3,135,7.03,150,6.8,175.7,6.608602

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.2	4.49	4.7	4.65	4.26	3.98	3.49	2.97
8	5.01	5.32	5.57	5.52	5.17	4.89	4.41	3.87
10	5.64	5.94	6.15	6.16	5.93	5.67	5.15	4.63
12	6.07	6.28	6.44	6.48	6.38	6.23	5.83	5.29
14	6.3	6.48	6.65	6.7	6.65	6.55	6.29	5.89
16	6.41	6.6	6.81	6.93	6.9	6.8	6.57	6.31
20	6.44	6.66	7.03	7.27	7.4	7.3	7.03	6.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.69	167.4°	2.61
8	43.4°	3.26	168.1°	3.45
10	43°	3.69	169.4°	4.19
12	42.7°	4.07	170.3°	4.84
14	41.5°	4.32	170.4°	5.45
16	40.8°	4.42	172.5°	5.98
20	41°	4.42	175.7°	6.59

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