Uro — ORC Rating | RegattaPages

GPH

684.5

OSN

668.5

LOA

10.16 m

Displacement

4825 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5991

Medium

0.7956

High

0.8969

Triple Offshore

Low

0.773

Medium

0.9871

High

1.0854

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.

6,42.8,4.33402,52,4.85,60,5.13,75,5.34,90,5.28,110,5.23,120,5.05,135,4.55,146,4.064954,150,3.89
8,42,5.113404,52,5.73,60,6.01,75,6.2,90,6.19,110,6.29,120,6.15,135,5.62,147,5.007926,150,4.85
10,42,5.745852,52,6.29,60,6.47,75,6.61,90,6.68,110,6.79,120,6.73,135,6.44,146.5,5.960049,150,5.73
12,41.2,5.980743,52,6.53,60,6.69,75,6.85,90,6.91,110,7.13,120,7.08,135,6.86,148.5,6.415368,150,6.32
14,40.5,6.062551,52,6.62,60,6.8,75,7.02,90,7.12,110,7.44,120,7.44,135,7.2,150,6.66,170,5.940246
16,40.3,6.097015,52,6.66,60,6.85,75,7.15,90,7.33,110,7.67,120,7.79,135,7.56,150,6.91,176,6.385555
20,40.5,6.0494,52,6.66,60,6.88,75,7.25,90,7.64,110,7.96,120,8.28,135,8.25,150,7.45,178,6.984255

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.13	5.34	5.28	5.23	5.05	4.55	3.89
8	5.73	6.01	6.2	6.19	6.29	6.15	5.62	4.85
10	6.29	6.47	6.61	6.68	6.79	6.73	6.44	5.73
12	6.53	6.69	6.85	6.91	7.13	7.08	6.86	6.32
14	6.62	6.8	7.02	7.12	7.44	7.44	7.2	6.66
16	6.66	6.85	7.15	7.33	7.67	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	42.8°	3.18	146°	3.37
8	42°	3.8	147°	4.2
10	42°	4.27	146.5°	4.97
12	41.2°	4.5	148.5°	5.47
14	40.5°	4.61	170°	5.85
16	40.3°	4.65	176°	6.37
20	40.5°	4.6	178°	6.98

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