Snorkfrøken — ORC Rating

GPH

681.7

OSN

662.3

LOA

9.21 m

Displacement

4635 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5991

Medium

0.8113

High

0.9346

Triple Offshore

Low

0.7705

Medium

0.9926

High

1.1077

Boat Specifications

Dimensions

Length overall: 9.21 m
Beam: 3.3 m
Draft: 1.93 m
Displacement: 4635 kg
Crew weight: 550 kg
Wetted surface: 22.03 m²

Sails

Mainsail: 31.03 m²
Genoa: 26.74 m²
Spinnaker: 58.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: Elan 31 Modified
Builder: Elan Marine
Designer: Rob Humphreys
Year built: 2002

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.

6,42,4.319481,52,4.87,60,5.13,75,5.32,90,5.27,110,5.16,120,4.99,135,4.51,147,3.97057,150,3.84
8,40.5,5.023632,52,5.7,60,5.98,75,6.18,90,6.17,110,6.2,120,6.03,135,5.5,150,4.83,152,4.745469
10,40.5,5.654874,52,6.27,60,6.45,75,6.59,90,6.67,110,6.72,120,6.64,135,6.31,150,5.67,154,5.485128
12,39.4,5.978775,52,6.54,60,6.69,75,6.83,90,6.95,110,7.04,120,6.97,135,6.74,150,6.37,160,5.980679
14,38.4,6.061043,52,6.67,60,6.84,75,7.02,90,7.09,110,7.36,120,7.29,135,7.05,150,6.75,180,6.25
16,38.2,6.120707,52,6.73,60,6.91,75,7.17,90,7.32,110,7.68,120,7.64,135,7.38,150,7.04,180,6.67
20,38.6,6.141874,52,6.76,60,6.96,75,7.33,90,7.7,110,8.02,120,8.29,135,8.1,150,7.68,180,7.25

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.13	5.32	5.27	5.16	4.99	4.51	3.84
8	5.7	5.98	6.18	6.17	6.2	6.03	5.5	4.83
10	6.27	6.45	6.59	6.67	6.72	6.64	6.31	5.67
12	6.54	6.69	6.83	6.95	7.04	6.97	6.74	6.37
14	6.67	6.84	7.02	7.09	7.36	7.29	7.05	6.75
16	6.73	6.91	7.17	7.32	7.68	7.64	7.38	7.04
20	6.76	6.96	7.33	7.7	8.02	8.29	8.1	7.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.21	147°	3.33
8	40.5°	3.82	152°	4.19
10	40.5°	4.3	154°	4.93
12	39.4°	4.62	160°	5.62
14	38.4°	4.75	180°	6.25
16	38.2°	4.81	180°	6.67
20	38.6°	4.8	180°	7.25

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