WITCH'S FLOWER — ORC Rating

GPH

689.5

OSN

670.1

LOA

9.085 m

Displacement

3405 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6157

Medium

0.8096

High

0.9098

Triple Offshore

Low

0.7795

Medium

0.9733

High

1.0678

Boat Specifications

Dimensions

Length overall: 9.085 m
Beam: 3.13 m
Draft: 1.77 m
Displacement: 3405 kg
Crew weight: 550 kg
Wetted surface: 19.06 m²

Sails

Mainsail: 20.45 m²
Genoa: 35.34 m²
Spinnaker: 67.85 m²
Asymmetric spinnaker: 0 m²

Design

Type: METALMAST 30
Builder: METALMAST
Designer: CANNING
Year built: 1979
Stability index: 108.9

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.

6,41.4,4.492668,52,5.04,60,5.25,75,5.34,90,5.23,110,5.08,120,4.94,135,4.51,146.9,3.998956,150,3.87
8,40.2,5.210815,52,5.77,60,5.92,75,6.01,90,5.95,110,5.99,120,5.87,135,5.49,150,4.87,151.4,4.806471
10,38.2,5.586259,52,6.14,60,6.26,75,6.35,90,6.34,110,6.46,120,6.39,135,6.14,150,5.67,155,5.461721
12,37.2,5.737387,52,6.34,60,6.46,75,6.58,90,6.58,110,6.78,120,6.74,135,6.53,150,6.21,164,5.784065
14,37.2,5.837822,52,6.42,60,6.57,75,6.75,90,6.79,110,7.04,120,7.05,135,6.85,150,6.56,175.4,6.099648
16,37,5.872516,52,6.47,60,6.63,75,6.87,90,6.98,110,7.26,120,7.35,135,7.18,150,6.85,179,6.450983
20,37.5,5.911616,52,6.5,60,6.68,75,6.99,90,7.25,110,7.56,120,7.89,135,7.95,150,7.5,179,7.011068

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.25	5.34	5.23	5.08	4.94	4.51	3.87
8	5.77	5.92	6.01	5.95	5.99	5.87	5.49	4.87
10	6.14	6.26	6.35	6.34	6.46	6.39	6.14	5.67
12	6.34	6.46	6.58	6.58	6.78	6.74	6.53	6.21
14	6.42	6.57	6.75	6.79	7.04	7.05	6.85	6.56
16	6.47	6.63	6.87	6.98	7.26	7.35	7.18	6.85
20	6.5	6.68	6.99	7.25	7.56	7.89	7.95	7.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.4°	3.37	146.9°	3.35
8	40.2°	3.98	151.4°	4.22
10	38.2°	4.39	155°	4.95
12	37.2°	4.57	164°	5.56
14	37.2°	4.65	175.4°	6.08
16	37°	4.69	179°	6.45
20	37.5°	4.69	179°	7.01

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