INDIGO II — ORC Rating

GPH

491.6

OSN

478.2

LOA

15.03 m

Displacement

10528 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.842

Medium

1.1165

High

1.2756

Triple Offshore

Low

1.083

Medium

1.3684

High

1.5369

Boat Specifications

Dimensions

Length overall: 15.03 m
Beam: 4.13 m
Draft: 3.67 m
Displacement: 10528 kg
Crew weight: 996 kg
Wetted surface: 43.23 m²

Sails

Mainsail: 87.3 m²
Genoa: 58.65 m²
Spinnaker: 242.36 m²
Asymmetric spinnaker: 241.83 m²

Design

Type: MARTEN 49
Builder: AZZURRA MARINE
Designer: R/P
Year built: 2004
Stability index: 153.1

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.

6,42.6,6.004643,52,6.72,60,7.12,75,7.45,90,7.35,110,7.33,120,7.12,135,6.47,143,5.91008,150,5.45
8,41.2,7.163601,52,8.04,60,8.35,75,8.55,90,8.48,110,8.64,120,8.56,135,8.04,144.8,7.28145,150,6.87
10,39.4,7.751701,52,8.6,60,8.83,75,9.03,90,9.01,110,9.19,120,9.24,135,8.91,147.8,8.23689,150,8.05
12,38.1,7.929498,52,8.8,60,9.05,75,9.39,90,9.46,110,9.57,120,9.85,135,9.58,150,8.84,154.6,8.579317
14,37.8,8.074365,52,8.91,60,9.18,75,9.66,90,9.93,110,9.94,120,10.32,135,10.4,150,9.43,162.2,8.759314
16,37,8.163924,52,8.98,60,9.27,75,9.85,90,10.34,110,10.31,120,10.79,135,11.34,150,10.14,170,9.027143
20,36.6,8.283327,52,9.18,60,9.52,75,10.03,90,10.87,110,11.3,120,11.72,135,13.04,145.1,12.680578,150,12.01

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.72	7.12	7.45	7.35	7.33	7.12	6.47	5.45
8	8.04	8.35	8.55	8.48	8.64	8.56	8.04	6.87
10	8.6	8.83	9.03	9.01	9.19	9.24	8.91	8.05
12	8.8	9.05	9.39	9.46	9.57	9.85	9.58	8.84
14	8.91	9.18	9.66	9.93	9.94	10.32	10.4	9.43
16	8.98	9.27	9.85	10.34	10.31	10.79	11.34	10.14
20	9.18	9.52	10.03	10.87	11.3	11.72	13.04	12.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	4.42	143°	4.72
8	41.2°	5.39	144.8°	5.95
10	39.4°	5.99	147.8°	6.97
12	38.1°	6.24	154.6°	7.75
14	37.8°	6.38	162.2°	8.34
16	37°	6.52	170°	8.89
20	36.6°	6.65	145.1°	10.4

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