Uro — ORC Rating | RegattaPages

GPH

684

OSN

668

LOA

10.16 m

Displacement

4825 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6747

Medium

0.896

High

1.0101

Triple Offshore

Low

0.8704

Medium

1.1115

High

1.222

Boat Specifications

Dimensions

Length overall: 10.16 m
Beam: 3.26 m
Draft: 1.74 m
Displacement: 4825 kg
Crew weight: 529 kg
Wetted surface: 23.42 m²

Sails

Mainsail: 24.91 m²
Genoa: 41.52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 86.23 m²

Design

Type: MAMBA 341
Builder: Mamba Boats AB
Designer: MAGNUSSON ROLF
Year built: 1980

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.

6,42.7,4.34064,52,4.86,60,5.13,75,5.35,90,5.28,110,5.23,120,5.05,135,4.55,146.1,4.048133,150,3.88
8,41.8,5.110829,52,5.74,60,6.01,75,6.2,90,6.2,110,6.29,120,6.15,135,5.61,147,5.007926,150,4.85
10,41.8,5.741298,52,6.3,60,6.48,75,6.61,90,6.68,110,6.8,120,6.73,135,6.44,146.3,5.961867,150,5.73
12,41,5.975809,52,6.53,60,6.7,75,6.85,90,6.91,110,7.13,120,7.08,135,6.86,148.5,6.415368,150,6.31
14,40.4,6.066668,52,6.62,60,6.8,75,7.03,90,7.12,110,7.44,120,7.44,135,7.19,150,6.66,169.9,5.942083
16,40.1,6.092129,52,6.66,60,6.86,75,7.15,90,7.33,110,7.66,120,7.79,135,7.56,150,6.91,176.2,6.384036
20,40.4,6.053537,52,6.66,60,6.88,75,7.25,90,7.64,110,7.96,120,8.28,135,8.25,150,7.45,178,6.974249

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.13	5.35	5.28	5.23	5.05	4.55	3.88
8	5.74	6.01	6.2	6.2	6.29	6.15	5.61	4.85
10	6.3	6.48	6.61	6.68	6.8	6.73	6.44	5.73
12	6.53	6.7	6.85	6.91	7.13	7.08	6.86	6.31
14	6.62	6.8	7.03	7.12	7.44	7.44	7.19	6.66
16	6.66	6.86	7.15	7.33	7.66	7.79	7.56	6.91
20	6.66	6.88	7.25	7.64	7.96	8.28	8.25	7.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.19	146.1°	3.36
8	41.8°	3.81	147°	4.2
10	41.8°	4.28	146.3°	4.96
12	41°	4.51	148.5°	5.47
14	40.4°	4.62	169.9°	5.85
16	40.1°	4.66	176.2°	6.37
20	40.4°	4.61	178°	6.97

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