BELLATRIX 2 — ORC Rating

GPH

706.6

OSN

683.8

LOA

10.75 m

Displacement

5340 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5709

Medium

0.7804

High

0.9014

Triple Offshore

Low

0.7347

Medium

0.9627

High

1.0771

Boat Specifications

Dimensions

Length overall: 10.75 m
Beam: 3.08 m
Draft: 1.63 m
Displacement: 5340 kg
Crew weight: 504 kg
Wetted surface: 23.44 m²

Sails

Mainsail: 29.4 m²
Genoa: 33.98 m²
Spinnaker: 79.35 m²
Asymmetric spinnaker: 0 m²

Design

Type: KIRK
Builder: AMEL
Designer: AMEL
Year built: 1973
Stability index: 126

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.

6,44.7,4.150256,52,4.56,60,4.84,75,5,90,4.92,110,4.99,120,4.86,135,4.41,146.9,3.879584,150,3.75
8,42.6,4.863489,52,5.41,60,5.67,75,5.85,90,5.83,110,6.02,120,5.91,135,5.44,150,4.78,150.5,4.756676
10,41.8,5.405942,52,5.99,60,6.21,75,6.39,90,6.46,110,6.65,120,6.59,135,6.27,150,5.66,152.9,5.526768
12,41.2,5.741513,52,6.33,60,6.53,75,6.7,90,6.76,110,7.01,120,6.99,135,6.78,150,6.36,158.6,6.014677
14,41.1,5.905276,52,6.49,60,6.7,75,6.91,90,6.99,110,7.27,120,7.31,135,7.14,150,6.8,170,6.275336
16,40.8,5.970977,52,6.57,60,6.78,75,7.05,90,7.19,110,7.48,120,7.58,135,7.47,150,7.14,177.2,6.647937
20,40.8,6.023817,52,6.64,60,6.86,75,7.2,90,7.46,110,7.73,120,8.01,135,8.07,150,7.75,179,7.281109

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.84	5	4.92	4.99	4.86	4.41	3.75
8	5.41	5.67	5.85	5.83	6.02	5.91	5.44	4.78
10	5.99	6.21	6.39	6.46	6.65	6.59	6.27	5.66
12	6.33	6.53	6.7	6.76	7.01	6.99	6.78	6.36
14	6.49	6.7	6.91	6.99	7.27	7.31	7.14	6.8
16	6.57	6.78	7.05	7.19	7.48	7.58	7.47	7.14
20	6.64	6.86	7.2	7.46	7.73	8.01	8.07	7.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	2.95	146.9°	3.25
8	42.6°	3.58	150.5°	4.14
10	41.8°	4.03	152.9°	4.92
12	41.2°	4.32	158.6°	5.6
14	41.1°	4.45	170°	6.18
16	40.8°	4.52	177.2°	6.64
20	40.8°	4.56	179°	7.28

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