LOTTA — ORC Rating | RegattaPages

GPH

700.6

OSN

682.9

LOA

9 m

Displacement

2546 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5856

Medium

0.7844

High

0.8812

Triple Offshore

Low

0.7571

Medium

0.9646

High

1.059

Boat Specifications

Dimensions

Length overall: 9 m
Beam: 2.71 m
Draft: 1.61 m
Displacement: 2546 kg
Crew weight: 185 kg
Wetted surface: 17.42 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

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.

6,42.4,4.279203,52,4.78,60,5.04,75,5.25,90,5.2,110,5.12,120,4.96,135,4.44,147,3.827486,150,3.7
8,41.2,5.023824,52,5.66,60,5.91,75,6.07,90,6.07,110,6.14,120,6.02,135,5.46,150,4.71,151,4.664885
10,41.2,5.528864,52,6.1,60,6.29,75,6.44,90,6.48,110,6.61,120,6.55,135,6.29,150,5.646486
12,40.5,5.668025,52,6.25,60,6.44,75,6.64,90,6.73,110,6.94,120,6.92,135,6.7,150,6.33,161,5.943828
14,40.3,5.716771,52,6.31,60,6.51,75,6.78,90,6.95,110,7.19,120,7.31,135,7.07,150,6.7,180,6.21
16,40.5,5.74693,52,6.33,60,6.53,75,6.85,90,7.15,110,7.38,120,7.68,135,7.5,150,7.06,180,6.6
20,41.2,5.741513,52,6.33,60,6.53,75,6.89,90,7.38,110,7.71,120,8.11,135,8.48,150,7.9,180,7.3

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.04	5.25	5.2	5.12	4.96	4.44	3.7
8	5.66	5.91	6.07	6.07	6.14	6.02	5.46	4.71
10	6.1	6.29	6.44	6.48	6.61	6.55	6.29	5.64
12	6.25	6.44	6.64	6.73	6.94	6.92	6.7	6.33
14	6.31	6.51	6.78	6.95	7.19	7.31	7.07	6.7
16	6.33	6.53	6.85	7.15	7.38	7.68	7.5	7.06
20	6.33	6.53	6.89	7.38	7.71	8.11	8.48	7.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.16	147°	3.21
8	41.2°	3.78	151°	4.08
10	41.2°	4.16	150°	4.89
12	40.5°	4.31	161°	5.62
14	40.3°	4.36	180°	6.21
16	40.5°	4.37	180°	6.6
20	41.2°	4.32	180°	7.3

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