Lumikki — ORC Rating | RegattaPages

GPH

630.5

OSN

615.2

LOA

12.49 m

Displacement

4710 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6503

Medium

0.8657

High

0.9923

Triple Offshore

Low

0.8407

Medium

1.0703

High

1.1887

Boat Specifications

Dimensions

Length overall: 12.49 m
Beam: 2.84 m
Draft: 1.76 m
Displacement: 4710 kg
Crew weight: 350 kg
Wetted surface: 23.18 m²

Sails

Mainsail: 37.83 m²
Genoa: 22.37 m²
Spinnaker: 78.54 m²
Asymmetric spinnaker: 0 m²

Design

Type: Lancing 42
Builder: Targa Yachts
Designer: Hans Groop
Year built: 1984

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.

6,42,4.628977,52,5.2,60,5.48,75,5.73,90,5.72,110,5.77,120,5.6,135,5.05,144.5,4.495676,150,4.23
8,40.9,5.437562,52,6.18,60,6.48,75,6.7,90,6.77,110,6.9,120,6.78,135,6.23,149,5.354847,150,5.3
10,41.2,6.033905,52,6.73,60,6.96,75,7.16,90,7.19,110,7.42,120,7.37,135,7.05,150,6.304665
12,40.9,6.271057,52,6.95,60,7.18,75,7.41,90,7.49,110,7.72,120,7.78,135,7.51,150,7.06,157,6.746298
14,40.5,6.365021,52,7.05,60,7.29,75,7.59,90,7.74,110,7.93,120,8.16,135,7.93,150,7.49,180,6.84
16,39.4,6.418771,52,7.06,60,7.34,75,7.72,90,7.97,110,8.13,120,8.42,135,8.39,150,7.89,180,7.32
20,40.3,6.595265,52,7.24,60,7.47,75,7.79,90,8.31,110,8.45,120,8.83,135,9.34,150,8.78,180,8.11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.48	5.73	5.72	5.77	5.6	5.05	4.23
8	6.18	6.48	6.7	6.77	6.9	6.78	6.23	5.3
10	6.73	6.96	7.16	7.19	7.42	7.37	7.05	6.31
12	6.95	7.18	7.41	7.49	7.72	7.78	7.51	7.06
14	7.05	7.29	7.59	7.74	7.93	8.16	7.93	7.49
16	7.06	7.34	7.72	7.97	8.13	8.42	8.39	7.89
20	7.24	7.47	7.79	8.31	8.45	8.83	9.34	8.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.44	144.5°	3.66
8	40.9°	4.11	149°	4.59
10	41.2°	4.54	150°	5.46
12	40.9°	4.74	157°	6.21
14	40.5°	4.84	180°	6.84
16	39.4°	4.96	180°	7.32
20	40.3°	5.03	180°	8.11

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