FORMIDABLE TAI — ORC Rating

GPH

646.1

OSN

631.8

LOA

10.7 m

Displacement

8811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.638

Medium

0.8493

High

0.9759

Triple Offshore

Low

0.8258

Medium

1.0408

High

1.1518

Boat Specifications

Dimensions

Length overall: 10.7 m
Beam: 3.29 m
Draft: 2.24 m
Displacement: 8811 kg
Crew weight: 600 kg
Wetted surface: 30.66 m²

Sails

Mainsail: 41.03 m²
Genoa: 34.86 m²
Spinnaker: 112.98 m²
Asymmetric spinnaker: 119.32 m²

Design

Type: DRAC ONE TON mod
Builder: MARYOLA
Designer: A.MAURIC
Year built: 1972

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.

6,40.9,4.418846,52,4.98,60,5.2,75,5.71,90,5.99,110,5.84,120,5.58,135,4.98,146,4.42682,150,4.24
8,39,5.095568,52,5.81,60,6.07,75,6.57,90,6.82,110,6.77,120,6.6,135,6.01,150,5.24,151,5.179394
10,39.8,5.753084,52,6.45,60,6.64,75,6.86,90,7.14,110,7.17,120,7.08,135,6.78,150,6.13,151.5,6.053592
12,39.6,6.138765,52,6.75,60,6.91,75,7.04,90,7.31,110,7.46,120,7.39,135,7.17,150,6.79,159,6.437581
14,39,6.266519,52,6.9,60,7.07,75,7.22,90,7.43,110,7.73,120,7.7,135,7.48,150,7.16,180,6.62
16,38.8,6.338713,52,6.96,60,7.15,75,7.37,90,7.5,110,7.95,120,8,135,7.81,150,7.45,180,7.04
20,37.7,6.395159,52,7.01,60,7.21,75,7.53,90,7.79,110,8.2,120,8.46,135,8.44,150,8.09,180,7.63

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.2	5.71	5.99	5.84	5.58	4.98	4.24
8	5.81	6.07	6.57	6.82	6.77	6.6	6.01	5.24
10	6.45	6.64	6.86	7.14	7.17	7.08	6.78	6.13
12	6.75	6.91	7.04	7.31	7.46	7.39	7.17	6.79
14	6.9	7.07	7.22	7.43	7.73	7.7	7.48	7.16
16	6.96	7.15	7.37	7.5	7.95	8	7.81	7.45
20	7.01	7.21	7.53	7.79	8.2	8.46	8.44	8.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.9°	3.34	146°	3.67
8	39°	3.96	151°	4.53
10	39.8°	4.42	151.5°	5.32
12	39.6°	4.73	159°	6.01
14	39°	4.87	180°	6.62
16	38.8°	4.94	180°	7.04
20	37.7°	5.06	180°	7.63

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