ASCATA III — ORC Rating

GPH

620.8

OSN

601.5

LOA

12.124 m

Displacement

8476 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6532

Medium

0.8923

High

1.0341

Triple Offshore

Low

0.8422

Medium

1.093

High

1.2198

Boat Specifications

Dimensions

Length overall: 12.124 m
Beam: 4.14 m
Draft: 2.33 m
Displacement: 8476 kg
Crew weight: 540 kg
Wetted surface: 32.91 m²

Sails

Mainsail: 46.31 m²
Genoa: 41.27 m²
Spinnaker: 94.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: FORTUNA 12
Builder: RONAUTICA
Designer: VISIER
Year built: 1990
Stability index: 109.7

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.

6,43,4.840339,52,5.39,60,5.68,75,5.87,90,5.76,110,5.61,120,5.42,135,4.85,143.9,4.35649,150,4.07
8,40.6,5.663325,52,6.35,60,6.61,75,6.78,90,6.72,110,6.76,120,6.58,135,6,148.8,5.272607,150,5.2
10,39.4,6.237596,52,6.94,60,7.13,75,7.27,90,7.28,110,7.4,120,7.31,135,6.89,150,6.17,152.3,6.04251
12,38.2,6.527906,52,7.23,60,7.4,75,7.56,90,7.6,110,7.77,120,7.72,135,7.44,150,6.94,157.4,6.596547
14,37.6,6.664229,52,7.38,60,7.56,75,7.75,90,7.82,110,8.05,120,8.04,135,7.82,150,7.45,168.2,6.875293
16,37.2,6.729189,52,7.46,60,7.65,75,7.9,90,8.02,110,8.3,120,8.33,135,8.15,150,7.81,177.2,7.268678
20,37,6.799097,52,7.54,60,7.75,75,8.08,90,8.33,110,8.63,120,8.89,135,8.81,150,8.45,179,7.961213

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.68	5.87	5.76	5.61	5.42	4.85	4.07
8	6.35	6.61	6.78	6.72	6.76	6.58	6	5.2
10	6.94	7.13	7.27	7.28	7.4	7.31	6.89	6.17
12	7.23	7.4	7.56	7.6	7.77	7.72	7.44	6.94
14	7.38	7.56	7.75	7.82	8.05	8.04	7.82	7.45
16	7.46	7.65	7.9	8.02	8.3	8.33	8.15	7.81
20	7.54	7.75	8.08	8.33	8.63	8.89	8.81	8.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.54	143.9°	3.52
8	40.6°	4.3	148.8°	4.51
10	39.4°	4.82	152.3°	5.35
12	38.2°	5.13	157.4°	6.09
14	37.6°	5.28	168.2°	6.73
16	37.2°	5.36	177.2°	7.26
20	37°	5.43	179°	7.96

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