LOTTA — ORC Rating | RegattaPages

GPH

696.4

OSN

677.7

LOA

9 m

Displacement

2546 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5884

Medium

0.7897

High

0.8866

Triple Offshore

Low

0.7611

Medium

0.971

High

1.0679

Boat Specifications

Dimensions

Length overall: 9 m
Beam: 2.71 m
Draft: 1.61 m
Displacement: 2546 kg
Crew weight: 190 kg
Wetted surface: 16.48 m²

Sails

Mainsail: 22.79 m²
Genoa: 23.65 m²
Spinnaker: 50.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: BANNER 30 R/C MK2
Builder: BANNER BAADE
Designer: NIELSEN
Year built: 1978
Stability index: 127

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.

6,43,4.334428,52,4.82,60,5.08,75,5.28,90,5.22,110,5.14,120,4.98,135,4.44,146,3.859897,150,3.7
8,41.8,5.124243,52,5.73,60,5.96,75,6.11,90,6.1,110,6.17,120,6.05,135,5.5,150,4.73,150.5,4.710718
10,41.2,5.582027,52,6.15,60,6.32,75,6.47,90,6.51,110,6.65,120,6.59,135,6.32,150,5.68,150.2,5.669735
12,40.5,5.707478,52,6.28,60,6.47,75,6.69,90,6.79,110,7.02,120,7,135,6.75,150,6.38,159.2,6.065302
14,40.2,5.747608,52,6.34,60,6.54,75,6.83,90,7.04,110,7.27,120,7.43,135,7.18,150,6.77,175.4,6.250132
16,40.6,5.768689,52,6.36,60,6.57,75,6.91,90,7.26,110,7.48,120,7.81,135,7.65,150,7.18,179,6.63101
20,41.2,5.794675,52,6.39,60,6.59,75,6.97,90,7.5,110,7.84,120,8.29,135,8.81,150,8.12,177.2,7.408845

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.08	5.28	5.22	5.14	4.98	4.44	3.7
8	5.73	5.96	6.11	6.1	6.17	6.05	5.5	4.73
10	6.15	6.32	6.47	6.51	6.65	6.59	6.32	5.68
12	6.28	6.47	6.69	6.79	7.02	7	6.75	6.38
14	6.34	6.54	6.83	7.04	7.27	7.43	7.18	6.77
16	6.36	6.57	6.91	7.26	7.48	7.81	7.65	7.18
20	6.39	6.59	6.97	7.5	7.84	8.29	8.81	8.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.17	146°	3.2
8	41.8°	3.82	150.5°	4.1
10	41.2°	4.2	150.2°	4.92
12	40.5°	4.34	159.2°	5.67
14	40.2°	4.39	175.4°	6.23
16	40.6°	4.38	179°	6.63
20	41.2°	4.36	177.2°	7.4

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