DENEBOLA: ORC Rating

GPH

604.7

OSN

585.4

LOA

13.82 m

Displacement

11335 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6552

Medium

0.9095

High

1.0747

Triple Offshore

Low

0.8494

Medium

1.1278

High

1.2801

Boat Specifications

Dimensions

Length overall: 13.82 m
Beam: 4.31 m
Draft: 2.45 m
Displacement: 11335 kg
Crew weight: 800 kg
Wetted surface: 40.55 m²

Sails

Mainsail: 47.94 m²
Genoa: 69.09 m²
Spinnaker: 110.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 456
Builder: BENETEAU
Designer: FRERS
Year built: 1985
Stability index: 120.2

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.2,4.911048,52,5.46,60,5.78,75,6.02,90,5.94,110,5.55,120,5.38,135,4.84,144.8,4.295444,150,4.06
8,41.7,5.799328,52,6.5,60,6.83,75,7.07,90,7.02,110,6.8,120,6.6,135,5.99,149.6,5.217309,150,5.19
10,41.2,6.552236,52,7.28,60,7.5,75,7.65,90,7.66,110,7.66,120,7.54,135,6.98,150,6.16,152,6.047924
12,40.2,6.978303,52,7.64,60,7.82,75,7.97,90,8.01,110,8.1,120,8.02,135,7.67,150,7.05,153.4,6.855641
14,38.8,7.095766,52,7.82,60,8.01,75,8.19,90,8.26,110,8.45,120,8.37,135,8.08,150,7.67,160.6,7.241132
16,38.4,7.196691,52,7.91,60,8.11,75,8.38,90,8.5,110,8.8,120,8.72,135,8.43,150,8.06,173.6,7.466532
20,38.2,7.278679,52,7.99,60,8.21,75,8.61,90,8.92,110,9.31,120,9.44,135,9.19,150,8.73,179,8.191248

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.46	5.78	6.02	5.94	5.55	5.38	4.84	4.06
8	6.5	6.83	7.07	7.02	6.8	6.6	5.99	5.19
10	7.28	7.5	7.65	7.66	7.66	7.54	6.98	6.16
12	7.64	7.82	7.97	8.01	8.1	8.02	7.67	7.05
14	7.82	8.01	8.19	8.26	8.45	8.37	8.08	7.67
16	7.91	8.11	8.38	8.5	8.8	8.72	8.43	8.06
20	7.99	8.21	8.61	8.92	9.31	9.44	9.19	8.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.58	144.8°	3.51
8	41.7°	4.33	149.6°	4.5
10	41.2°	4.93	152°	5.34
12	40.2°	5.33	153.4°	6.13
14	38.8°	5.53	160.6°	6.83
16	38.4°	5.64	173.6°	7.42
20	38.2°	5.72	179°	8.19

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.46	6.50	7.28	7.64	7.82	7.91	7.99
60°	5.78	6.83	7.50	7.82	8.01	8.11	8.21
75°	6.02	7.07	7.65	7.97	8.19	8.38	8.61
90°	5.94	7.02	7.66	8.01	8.26	8.50	8.92
110°	5.55	6.80	7.66	8.10	8.45	8.80	9.31
120°	5.38	6.60	7.54	8.02	8.37	8.72	9.44
135°	4.84	5.99	6.98	7.67	8.08	8.43	9.19
150°	4.06	5.19	6.16	7.05	7.67	8.06	8.73