STALKER — ORC Rating | RegattaPages

GPH

692.2

OSN

675

LOA

9.647 m

Displacement

3369 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5945

Medium

0.795

High

0.897

Triple Offshore

Low

0.7661

Medium

0.9754

High

1.0748

Boat Specifications

Dimensions

Length overall: 9.647 m
Beam: 3.24 m
Draft: 1.7 m
Displacement: 3369 kg
Crew weight: 420 kg
Wetted surface: 19.04 m²

Sails

Mainsail: 26.57 m²
Genoa: 28.37 m²
Spinnaker: 53.25 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 30ES
Builder: BENETEAU
Designer: BERET
Year built: 1977

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.

6,42,4.346394,52,4.89,60,5.16,75,5.38,90,5.3,110,5.08,120,4.91,135,4.42,147.5,3.853489,150,3.75
8,41.6,5.135076,52,5.76,60,6,75,6.17,90,6.16,110,6.12,120,5.96,135,5.41,150,4.73,152,4.643537
10,40.9,5.649243,52,6.22,60,6.39,75,6.52,90,6.55,110,6.61,120,6.54,135,6.23,150,5.6,153,5.465729
12,40.5,5.838986,52,6.4,60,6.57,75,6.74,90,6.82,110,6.95,120,6.88,135,6.64,150,6.29,162,5.856645
14,40.1,5.896031,52,6.47,60,6.66,75,6.91,90,7.03,110,7.29,120,7.23,135,6.98,150,6.66,180,6.19
16,40.5,5.944193,52,6.5,60,6.7,75,7.03,90,7.24,110,7.59,120,7.59,135,7.33,150,6.97,180,6.58
20,41.2,5.940871,52,6.48,60,6.71,75,7.12,90,7.55,110,7.91,120,8.2,135,8.06,150,7.65,180,7.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.16	5.38	5.3	5.08	4.91	4.42	3.75
8	5.76	6	6.17	6.16	6.12	5.96	5.41	4.73
10	6.22	6.39	6.52	6.55	6.61	6.54	6.23	5.6
12	6.4	6.57	6.74	6.82	6.95	6.88	6.64	6.29
14	6.47	6.66	6.91	7.03	7.29	7.23	6.98	6.66
16	6.5	6.7	7.03	7.24	7.59	7.59	7.33	6.97
20	6.48	6.71	7.12	7.55	7.91	8.2	8.06	7.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.23	147.5°	3.25
8	41.6°	3.84	152°	4.1
10	40.9°	4.27	153°	4.87
12	40.5°	4.44	162°	5.57
14	40.1°	4.51	180°	6.19
16	40.5°	4.52	180°	6.58
20	41.2°	4.47	180°	7.2

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