NN — ORC Rating | RegattaPages

GPH

734.8

OSN

714.1

LOA

8.64 m

Displacement

3596 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5616

Medium

0.7534

High

0.8506

Triple Offshore

Low

0.7184

Medium

0.9206

High

1.0127

Boat Specifications

Dimensions

Length overall: 8.64 m
Beam: 2.86 m
Draft: 1.73 m
Displacement: 3596 kg
Crew weight: 434 kg
Wetted surface: 18.5 m²

Sails

Mainsail: 19.77 m²
Genoa: 24.86 m²
Spinnaker: 49.67 m²
Asymmetric spinnaker: 0 m²

Design

Type: CUMULUS
Builder: Albin
Designer: Peter Norlin
Year built: 1968

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.

6,42,3.996529,52,4.48,60,4.71,75,4.88,90,4.81,110,4.82,120,4.68,135,4.26,148,3.749787,150,3.67
8,40.5,4.629106,52,5.25,60,5.51,75,5.7,90,5.72,110,5.8,120,5.67,135,5.17,150,4.58,153,4.466858
10,40.5,5.194594,52,5.79,60,5.96,75,6.09,90,6.2,110,6.27,120,6.2,135,5.92,150,5.37,154.5,5.185106
12,40.1,5.503833,52,6.03,60,6.17,75,6.31,90,6.44,110,6.57,120,6.51,135,6.3,150,5.99,166,5.503477
14,39.8,5.583876,52,6.12,60,6.29,75,6.47,90,6.54,110,6.85,120,6.8,135,6.59,150,6.33,180,5.91
16,39.6,5.593674,52,6.16,60,6.34,75,6.59,90,6.72,110,7.09,120,7.1,135,6.9,150,6.59,180,6.26
20,41.1,5.573519,52,6.14,60,6.34,75,6.69,90,7.01,110,7.32,120,7.57,135,7.51,150,7.17,180,6.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.48	4.71	4.88	4.81	4.82	4.68	4.26	3.67
8	5.25	5.51	5.7	5.72	5.8	5.67	5.17	4.58
10	5.79	5.96	6.09	6.2	6.27	6.2	5.92	5.37
12	6.03	6.17	6.31	6.44	6.57	6.51	6.3	5.99
14	6.12	6.29	6.47	6.54	6.85	6.8	6.59	6.33
16	6.16	6.34	6.59	6.72	7.09	7.1	6.9	6.59
20	6.14	6.34	6.69	7.01	7.32	7.57	7.51	7.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	2.97	148°	3.18
8	40.5°	3.52	153°	3.98
10	40.5°	3.95	154.5°	4.68
12	40.1°	4.21	166°	5.34
14	39.8°	4.29	180°	5.91
16	39.6°	4.31	180°	6.26
20	41.1°	4.2	180°	6.79

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