LOTTA — ORC Rating | RegattaPages

GPH

702.4

OSN

683.8

LOA

9 m

Displacement

2513 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6561

Medium

0.8812

High

0.996

Triple Offshore

Low

0.8467

Medium

1.0836

High

1.1948

Boat Specifications

Dimensions

Length overall: 9 m
Beam: 2.71 m
Draft: 1.61 m
Displacement: 2513 kg
Crew weight: 190 kg
Wetted surface: 17.36 m²

Sails

Mainsail: 22.48 m²
Genoa: 22.28 m²
Spinnaker: 48.61 m²
Asymmetric spinnaker: 0 m²

Design

Type: BANNER 30 R/C MK2
Builder: BANNER BAADE
Designer: NIELSEN
Year built: 1978

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.

6,42.1,4.245421,52,4.76,60,5,75,5.19,90,5.11,110,5.07,120,4.9,135,4.39,147,3.791715,150,3.67
8,40.9,5.000969,52,5.65,60,5.89,75,6.05,90,6.04,110,6.11,120,5.97,135,5.4,150,4.68,150.9,4.635075
10,40.8,5.508623,52,6.1,60,6.28,75,6.43,90,6.48,110,6.6,120,6.53,135,6.24,150,5.59,150.7,5.561485
12,40.2,5.669053,52,6.26,60,6.45,75,6.64,90,6.72,110,6.93,120,6.89,135,6.66,150,6.29,160.7,5.901668
14,40,5.730738,52,6.33,60,6.52,75,6.79,90,6.95,110,7.19,120,7.28,135,7.02,150,6.67,180,6.17
16,40,5.756846,52,6.36,60,6.56,75,6.87,90,7.15,110,7.38,120,7.66,135,7.45,150,7.01,180,6.57
20,40.5,5.786383,52,6.38,60,6.57,75,6.94,90,7.42,110,7.71,120,8.1,135,8.4,150,7.83,180,7.26

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.76	5	5.19	5.11	5.07	4.9	4.39	3.67
8	5.65	5.89	6.05	6.04	6.11	5.97	5.4	4.68
10	6.1	6.28	6.43	6.48	6.6	6.53	6.24	5.59
12	6.26	6.45	6.64	6.72	6.93	6.89	6.66	6.29
14	6.33	6.52	6.79	6.95	7.19	7.28	7.02	6.67
16	6.36	6.56	6.87	7.15	7.38	7.66	7.45	7.01
20	6.38	6.57	6.94	7.42	7.71	8.1	8.4	7.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.15	147°	3.18
8	40.9°	3.78	150.9°	4.05
10	40.8°	4.17	150.7°	4.85
12	40.2°	4.33	160.7°	5.57
14	40°	4.39	180°	6.17
16	40°	4.41	180°	6.57
20	40.5°	4.4	180°	7.26

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