FETTES BOOT — ORC Rating

GPH

544.1

OSN

531

LOA

11.5 m

Displacement

3664 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7696

Medium

0.9968

High

1.1413

Triple Offshore

Low

0.9887

Medium

1.2288

High

1.3898

Boat Specifications

Dimensions

Length overall: 11.5 m
Beam: 3.65 m
Draft: 2.24 m
Displacement: 3664 kg
Crew weight: 550 kg
Wetted surface: 26.53 m²

Sails

Mainsail: 54.67 m²
Genoa: 28.76 m²
Spinnaker: 112.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: JS FORMEL 20
Builder: JS DANMARK
Designer: NEUCRUISE
Year built: 1989

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.

6,42,5.597832,52,6.31,60,6.66,75,6.91,90,6.82,110,6.68,120,6.46,135,5.78,143,5.25897,150,4.85
8,40.3,6.582153,52,7.32,60,7.54,75,7.7,90,7.67,110,7.76,120,7.65,135,7.16,144.2,6.534628,150,6.12
10,38.2,6.807855,52,7.59,60,7.83,75,8.17,90,8.24,110,8.33,120,8.4,135,7.91,150,7.18,151,7.123096
12,37.9,6.970106,52,7.72,60,7.98,75,8.47,90,8.83,110,8.79,120,9.06,135,8.66,150,7.86,158,7.46346
14,37.1,7.071356,52,7.81,60,8.09,75,8.66,90,9.23,110,9.24,120,9.57,135,9.58,150,8.52,174,7.551367
16,36.8,7.168447,52,7.98,60,8.28,75,8.8,90,9.48,110,9.71,120,10.08,135,10.65,150,9.31,174,8.124507
20,37.1,7.246886,52,8.09,60,8.49,75,9.22,90,9.8,110,11.02,120,11.25,135,12.28,143,12.383622,150,11.41

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.31	6.66	6.91	6.82	6.68	6.46	5.78	4.85
8	7.32	7.54	7.7	7.67	7.76	7.65	7.16	6.12
10	7.59	7.83	8.17	8.24	8.33	8.4	7.91	7.18
12	7.72	7.98	8.47	8.83	8.79	9.06	8.66	7.86
14	7.81	8.09	8.66	9.23	9.24	9.57	9.58	8.52
16	7.98	8.28	8.8	9.48	9.71	10.08	10.65	9.31
20	8.09	8.49	9.22	9.8	11.02	11.25	12.28	11.41

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.16	143°	4.2
8	40.3°	5.02	144.2°	5.3
10	38.2°	5.35	151°	6.23
12	37.9°	5.5	158°	6.92
14	37.1°	5.64	174°	7.51
16	36.8°	5.74	174°	8.08
20	37.1°	5.78	143°	9.89

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