ZAHRA — ORC Rating | RegattaPages

GPH

541.7

OSN

522.8

LOA

16.25 m

Displacement

18125 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7061

Medium

1.0085

High

1.2121

Triple Offshore

Low

0.9224

Medium

1.27

High

1.4779

Boat Specifications

Dimensions

Length overall: 16.25 m
Beam: 4.95 m
Draft: 3.07 m
Displacement: 18125 kg
Crew weight: 700 kg
Wetted surface: 60.48 m²

Sails

Mainsail: 88.99 m²
Genoa: 64.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 215.75 m²

Design

Type: Mostes 55
Builder: Cantieri Mostes
Designer: A.Vallicelli & Co.
Year built: 2012

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.

6,44.2,5.105239,52,5.69,60,6.07,75,6.38,90,6.3,110,6.34,120,6.15,135,5.45,142,4.999932,150,4.55
8,42,6.149542,52,6.94,60,7.31,75,7.62,90,7.74,110,7.82,120,7.6,135,6.86,145,6.152704,150,5.82
10,41.2,7.057276,52,7.95,60,8.31,75,8.56,90,8.79,110,8.89,120,8.71,135,8.04,147.8,7.09058,150,6.93
12,40.5,7.798466,52,8.65,60,8.9,75,9.08,90,9.3,110,9.44,120,9.32,135,8.9,148,8.089164,150,7.92
14,39,8.158056,52,9,60,9.22,75,9.42,90,9.55,110,9.93,120,9.81,135,9.41,149.5,8.727653,150,8.68
16,38.1,8.310724,52,9.17,60,9.42,75,9.71,90,9.78,110,10.44,120,10.4,135,9.88,150,9.13,151,9.055364
20,37.1,8.425446,52,9.32,60,9.61,75,10.16,90,10.51,110,11.12,120,11.67,135,11.12,150,9.84,177,8.98231

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	6.07	6.38	6.3	6.34	6.15	5.45	4.55
8	6.94	7.31	7.62	7.74	7.82	7.6	6.86	5.82
10	7.95	8.31	8.56	8.79	8.89	8.71	8.04	6.93
12	8.65	8.9	9.08	9.3	9.44	9.32	8.9	7.92
14	9	9.22	9.42	9.55	9.93	9.81	9.41	8.68
16	9.17	9.42	9.71	9.78	10.44	10.4	9.88	9.13
20	9.32	9.61	10.16	10.51	11.12	11.67	11.12	9.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.66	142°	3.94
8	42°	4.57	145°	5.04
10	41.2°	5.31	147.8°	6
12	40.5°	5.93	148°	6.86
14	39°	6.34	149.5°	7.52
16	38.1°	6.54	151°	7.92
20	37.1°	6.72	177°	8.97

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