ZOLTAR — ORC Rating | RegattaPages

GPH

611.9

OSN

593.6

LOA

9.46 m

Displacement

2551 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7573

Medium

1.0183

High

1.1581

Triple Offshore

Low

0.9719

Medium

1.2401

High

1.3987

Boat Specifications

Dimensions

Length overall: 9.46 m
Beam: 2.92 m
Draft: 2.15 m
Displacement: 2551 kg
Crew weight: 633 kg
Wetted surface: 18.72 m²

Sails

Mainsail: 32.35 m²
Genoa: 19.25 m²
Spinnaker: 70.33 m²
Asymmetric spinnaker: 0 m²

Design

Type: MANTRA 31
Builder: A.ARMINSKI
Designer: A.ARMINSKI
Year built: 2002

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.

6,41.7,4.727859,52,5.32,60,5.6,75,5.82,90,5.87,110,5.9,120,5.73,135,5.15,143,4.720551,150,4.35
8,40.5,5.681176,52,6.38,60,6.59,75,6.73,90,6.85,110,6.94,120,6.83,135,6.38,147.1,5.657322,150,5.49
10,38.2,6.197057,52,6.85,60,7.01,75,7.15,90,7.16,110,7.46,120,7.38,135,7.05,150,6.47,152.1,6.359152
12,36.8,6.331711,52,7.03,60,7.22,75,7.48,90,7.53,110,7.92,120,8.02,135,7.57,150,7.06,160.4,6.66626
14,36.4,6.39836,52,7.11,60,7.33,75,7.76,90,7.98,110,8.26,120,8.63,135,8.23,150,7.54,180,6.86
16,36,6.452275,52,7.15,60,7.4,75,7.92,90,8.36,110,8.62,120,9.07,135,9.04,150,8.13,180,7.31
20,36.3,6.551451,52,7.27,60,7.57,75,8.05,90,8.82,110,9.31,120,9.93,135,11,150,9.67,180,8.39

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.6	5.82	5.87	5.9	5.73	5.15	4.35
8	6.38	6.59	6.73	6.85	6.94	6.83	6.38	5.49
10	6.85	7.01	7.15	7.16	7.46	7.38	7.05	6.47
12	7.03	7.22	7.48	7.53	7.92	8.02	7.57	7.06
14	7.11	7.33	7.76	7.98	8.26	8.63	8.23	7.54
16	7.15	7.4	7.92	8.36	8.62	9.07	9.04	8.13
20	7.27	7.57	8.05	8.82	9.31	9.93	11	9.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.7°	3.53	143°	3.77
8	40.5°	4.32	147.1°	4.75
10	38.2°	4.87	152.1°	5.62
12	36.8°	5.07	160.4°	6.28
14	36.4°	5.15	180°	6.86
16	36°	5.22	180°	7.31
20	36.3°	5.28	180°	8.39

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