FIREBALL — ORC Rating

GPH

591.8

OSN

573.3

LOA

11.924 m

Displacement

6970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6867

Medium

0.9372

High

1.0802

Triple Offshore

Low

0.8835

Medium

1.1455

High

1.284

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.41 m
Displacement: 6970 kg
Crew weight: 717 kg
Wetted surface: 31.21 m²

Sails

Mainsail: 49.49 m²
Genoa: 33.57 m²
Spinnaker: 131.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7 Dist DK
Builder: BENETEAU SA
Designer: FARR Bruce
Year built: 1997
Stability index: 128.8

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.

6,42.4,4.902124,52,5.49,60,5.77,75,5.96,90,5.91,110,6.03,120,5.88,135,5.31,139.4,5.070651,150,4.44
8,40.6,5.808201,52,6.5,60,6.75,75,6.92,90,7.02,110,7.19,120,7.07,135,6.56,147.8,5.684281,150,5.56
10,39,6.408063,52,7.14,60,7.32,75,7.46,90,7.59,110,7.8,120,7.74,135,7.4,149.2,6.682501,150,6.62
12,37.8,6.732856,52,7.48,60,7.65,75,7.8,90,7.83,110,8.22,120,8.21,135,7.92,150,7.42,157,7.093933
14,37.2,6.867288,52,7.65,60,7.84,75,8.06,90,8.12,110,8.55,120,8.64,135,8.38,150,7.91,166.4,7.325397
16,37.2,6.967723,52,7.74,60,7.96,75,8.27,90,8.4,110,8.77,120,9.04,135,8.85,150,8.33,176.3,7.655958
20,37.6,7.080744,52,7.82,60,8.08,75,8.5,90,8.85,110,9.17,120,9.64,135,9.93,150,9.25,177.2,8.470112

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.49	5.77	5.96	5.91	6.03	5.88	5.31	4.44
8	6.5	6.75	6.92	7.02	7.19	7.07	6.56	5.56
10	7.14	7.32	7.46	7.59	7.8	7.74	7.4	6.62
12	7.48	7.65	7.8	7.83	8.22	8.21	7.92	7.42
14	7.65	7.84	8.06	8.12	8.55	8.64	8.38	7.91
16	7.74	7.96	8.27	8.4	8.77	9.04	8.85	8.33
20	7.82	8.08	8.5	8.85	9.17	9.64	9.93	9.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.62	139.4°	3.85
8	40.6°	4.41	147.8°	4.81
10	39°	4.98	149.2°	5.74
12	37.8°	5.32	157°	6.53
14	37.2°	5.47	166.4°	7.12
16	37.2°	5.55	176.3°	7.64
20	37.6°	5.61	177.2°	8.46

Loading polar chart…