Suomenlahden Ykkönen — ORC Rating

GPH

651.2

OSN

632.6

LOA

9.764 m

Displacement

3000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6219

Medium

0.8499

High

0.9698

Triple Offshore

Low

0.8064

Medium

1.04

High

1.1605

Boat Specifications

Dimensions

Length overall: 9.764 m
Beam: 3.01 m
Draft: 1.85 m
Displacement: 3000 kg
Crew weight: 485 kg
Wetted surface: 19.93 m²

Sails

Mainsail: 32.97 m²
Genoa: 24.08 m²
Spinnaker: 58.79 m²
Asymmetric spinnaker: 0 m²

Design

Type: Mach3 3/4Ton
Builder: Framboat
Designer: Cristian Bergenhei
Year built: 1981
Stability index: 124.7

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.

6,42.4,4.590664,52,5.15,60,5.43,75,5.66,90,5.57,110,5.47,120,5.26,135,4.68,145.1,4.084609,150,3.87
8,41.4,5.465857,52,6.1,60,6.32,75,6.47,90,6.49,110,6.52,120,6.37,135,5.79,150,4.93,150.2,4.920684
10,39.4,5.965834,52,6.57,60,6.73,75,6.86,90,6.95,110,7.03,120,6.93,135,6.61,150,5.92,150.2,5.911736
12,38.4,6.150364,52,6.77,60,6.95,75,7.15,90,7.23,110,7.48,120,7.38,135,7.06,150,6.65,159.7,6.290724
14,38.1,6.239397,52,6.85,60,7.06,75,7.38,90,7.53,110,7.89,120,7.85,135,7.5,150,7.07,175.4,6.510973
16,37.8,6.264594,52,6.9,60,7.13,75,7.52,90,7.81,110,8.19,120,8.32,135,7.98,150,7.49,179,6.931056
20,38.4,6.316245,52,6.93,60,7.17,75,7.65,90,8.15,110,8.62,120,9.16,135,9.12,150,8.4,178.1,7.734252

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.43	5.66	5.57	5.47	5.26	4.68	3.87
8	6.1	6.32	6.47	6.49	6.52	6.37	5.79	4.93
10	6.57	6.73	6.86	6.95	7.03	6.93	6.61	5.92
12	6.77	6.95	7.15	7.23	7.48	7.38	7.06	6.65
14	6.85	7.06	7.38	7.53	7.89	7.85	7.5	7.07
16	6.9	7.13	7.52	7.81	8.19	8.32	7.98	7.49
20	6.93	7.17	7.65	8.15	8.62	9.16	9.12	8.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.39	145.1°	3.35
8	41.4°	4.1	150.2°	4.27
10	39.4°	4.61	150.2°	5.13
12	38.4°	4.82	159.7°	5.9
14	38.1°	4.91	175.4°	6.49
16	37.8°	4.95	179°	6.93
20	38.4°	4.95	178.1°	7.73

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