WITCH'S FLOWER — ORC Rating

GPH

689.1

OSN

669.7

LOA

9.083 m

Displacement

3392 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.616

Medium

0.8101

High

0.908

Triple Offshore

Low

0.7802

Medium

0.9739

High

1.0667

Boat Specifications

Dimensions

Length overall: 9.083 m
Beam: 3.13 m
Draft: 1.77 m
Displacement: 3392 kg
Crew weight: 552 kg
Wetted surface: 19.13 m²

Sails

Mainsail: 20.61 m²
Genoa: 35.49 m²
Spinnaker: 68 m²
Asymmetric spinnaker: 0 m²

Design

Type: METALMAST 30
Builder: METALMAST
Designer: CANNING
Year built: 1979

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.

6,41.5,4.51295,52,5.04,60,5.25,75,5.35,90,5.24,110,5.09,120,4.95,135,4.51,146.6,4.012707,150,3.87
8,40.3,5.231632,52,5.78,60,5.93,75,6.02,90,5.96,110,6,120,5.88,135,5.49,150,4.86,150.9,4.818189
10,38.2,5.598984,52,6.15,60,6.27,75,6.36,90,6.35,110,6.46,120,6.39,135,6.14,150,5.67,154.6,5.468623
12,37.3,5.770148,52,6.35,60,6.47,75,6.59,90,6.59,110,6.78,120,6.74,135,6.53,150,6.21,162.8,5.809825
14,37.1,5.842645,52,6.43,60,6.58,75,6.75,90,6.8,110,7.05,120,7.05,135,6.85,150,6.55,175.8,6.076318
16,37.1,5.880259,52,6.47,60,6.63,75,6.87,90,6.99,110,7.27,120,7.35,135,7.17,150,6.85,178.6,6.43192
20,37.8,5.897577,52,6.48,60,6.66,75,6.97,90,7.25,110,7.56,120,7.9,135,7.94,150,7.49,178.6,7.00209
24,39.4,5.875246,52,6.44,60,6.66,75,7.03,90,7.38,110,7.72,120,8.24,135,8.77,150,8.3,177.7,7.626144

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.25	5.35	5.24	5.09	4.95	4.51	3.87
8	5.78	5.93	6.02	5.96	6	5.88	5.49	4.86
10	6.15	6.27	6.36	6.35	6.46	6.39	6.14	5.67
12	6.35	6.47	6.59	6.59	6.78	6.74	6.53	6.21
14	6.43	6.58	6.75	6.8	7.05	7.05	6.85	6.55
16	6.47	6.63	6.87	6.99	7.27	7.35	7.17	6.85
20	6.48	6.66	6.97	7.25	7.56	7.9	7.94	7.49
24	6.44	6.66	7.03	7.38	7.72	8.24	8.77	8.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	3.38	146.6°	3.35
8	40.3°	3.99	150.9°	4.21
10	38.2°	4.4	154.6°	4.94
12	37.3°	4.59	162.8°	5.55
14	37.1°	4.66	175.8°	6.06
16	37.1°	4.69	178.6°	6.43
20	37.8°	4.66	178.6°	7
24	39.4°	4.54	177.7°	7.62

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