Luna Blu — ORC Rating

GPH

668.2

OSN

643.7

LOA

11.817 m

Displacement

7192 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6068

Medium

0.8367

High

1.0026

Triple Offshore

Low

0.7709

Medium

1.0171

High

1.1659

Boat Specifications

Dimensions

Length overall: 11.817 m
Beam: 3.33 m
Draft: 1.56 m
Displacement: 7192 kg
Crew weight: 488 kg
Wetted surface: 27.91 m²

Sails

Mainsail: 34.75 m²
Genoa: 42.09 m²
Spinnaker: 92.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: BRISTOL 39 CB YAWL
Builder: Bristol
Designer: Ted Hood/Dieter E
Year built: 1970
Stability index: 156.9

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.

6,41.1,4.273031,52,4.76,60,4.96,75,5.11,90,5.04,110,5.15,120,5.01,135,4.58,147.8,4.029813,150,3.93
8,39.4,4.982312,52,5.63,60,5.87,75,6.04,90,6.05,110,6.24,120,6.08,135,5.57,150,4.92,152.3,4.822714
10,39.6,5.671544,52,6.33,60,6.5,75,6.61,90,6.75,110,6.85,120,6.76,135,6.44,150,5.79,152,5.696827
12,38.1,6.150444,52,6.73,60,6.84,75,6.92,90,7.11,110,7.21,120,7.13,135,6.91,150,6.52,157.7,6.214807
14,36.3,6.402555,52,6.96,60,7.07,75,7.17,90,7.31,110,7.55,120,7.47,135,7.24,150,6.93,171.2,6.415521
16,35.2,6.534949,52,7.14,60,7.26,75,7.39,90,7.43,110,7.88,120,7.81,135,7.57,150,7.24,178.1,6.793735
20,35,6.689845,52,7.34,60,7.53,75,7.77,90,7.88,110,8.3,120,8.41,135,8.21,150,7.87,179,7.391126

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.76	4.96	5.11	5.04	5.15	5.01	4.58	3.93
8	5.63	5.87	6.04	6.05	6.24	6.08	5.57	4.92
10	6.33	6.5	6.61	6.75	6.85	6.76	6.44	5.79
12	6.73	6.84	6.92	7.11	7.21	7.13	6.91	6.52
14	6.96	7.07	7.17	7.31	7.55	7.47	7.24	6.93
16	7.14	7.26	7.39	7.43	7.88	7.81	7.57	7.24
20	7.34	7.53	7.77	7.88	8.3	8.41	8.21	7.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.1°	3.22	147.8°	3.41
8	39.4°	3.85	152.3°	4.27
10	39.6°	4.37	152°	5.03
12	38.1°	4.84	157.7°	5.75
14	36.3°	5.16	171.2°	6.34
16	35.2°	5.34	178.1°	6.79
20	35°	5.48	179°	7.39

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