BELLATRIX — ORC Rating

GPH

657.3

OSN

634.1

LOA

10 m

Displacement

2946 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6066

Medium

0.847

High

0.984

Triple Offshore

Low

0.7852

Medium

1.0372

High

1.1718

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 2.99 m
Draft: 1.79 m
Displacement: 2946 kg
Crew weight: 590 kg
Wetted surface: 20.27 m²

Sails

Mainsail: 25.96 m²
Genoa: 19.98 m²
Spinnaker: 66.12 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-99
Builder: X-YACHTS
Designer: NIELS JEPPESEN
Year built: 1985

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.

6,43.8,4.41975,52,4.88,60,5.15,75,5.31,90,5.29,110,5.37,120,5.21,135,4.68,144,4.128467,150,3.85
8,41.9,5.293482,52,5.88,60,6.12,75,6.26,90,6.37,110,6.49,120,6.35,135,5.83,148.4,5.048566,150,4.97
10,39.8,5.844197,52,6.46,60,6.64,75,6.78,90,6.9,110,7.08,120,7,135,6.66,149.8,5.970323,150,5.96
12,38,6.129358,52,6.78,60,6.94,75,7.09,90,7.17,110,7.48,120,7.45,135,7.16,150,6.71,157.7,6.387741
14,37.6,6.28558,52,6.94,60,7.11,75,7.33,90,7.4,110,7.81,120,7.88,135,7.6,150,7.16,169.6,6.588235
16,37.3,6.360991,52,7.02,60,7.21,75,7.51,90,7.66,110,8.09,120,8.29,135,8.08,150,7.57,177.2,6.958307
20,37.5,6.441014,52,7.11,60,7.33,75,7.73,90,8.09,110,8.54,120,9.14,135,9.29,150,8.49,177.7,7.726224
24,38.5,6.46556,52,7.11,60,7.36,75,7.84,90,8.39,110,9,120,9.94,135,11.66,142,11.053149,150,10.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.15	5.31	5.29	5.37	5.21	4.68	3.85
8	5.88	6.12	6.26	6.37	6.49	6.35	5.83	4.97
10	6.46	6.64	6.78	6.9	7.08	7	6.66	5.96
12	6.78	6.94	7.09	7.17	7.48	7.45	7.16	6.71
14	6.94	7.11	7.33	7.4	7.81	7.88	7.6	7.16
16	7.02	7.21	7.51	7.66	8.09	8.29	8.08	7.57
20	7.11	7.33	7.73	8.09	8.54	9.14	9.29	8.49
24	7.11	7.36	7.84	8.39	9	9.94	11.66	10.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.19	144°	3.34
8	41.9°	3.94	148.4°	4.3
10	39.8°	4.49	149.8°	5.16
12	38°	4.83	157.7°	5.91
14	37.6°	4.98	169.6°	6.48
16	37.3°	5.06	177.2°	6.95
20	37.5°	5.11	177.7°	7.72
24	38.5°	5.06	142°	8.71

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