FIREBALL — ORC Rating

GPH

595.4

OSN

577

LOA

11.924 m

Displacement

6970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6747

Medium

0.9301

High

1.0793

Triple Offshore

Low

0.8724

Medium

1.1411

High

1.2848

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.41 m
Displacement: 6970 kg
Crew weight: 738 kg
Wetted surface: 31.24 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: 128.7

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.

6,43,4.785646,52,5.33,60,5.64,75,5.88,90,5.9,110,6.01,120,5.87,135,5.32,139.8,5.053705,150,4.46
8,41.2,5.648479,52,6.36,60,6.67,75,6.91,90,7.1,110,7.23,120,7.11,135,6.57,148.7,5.629294,150,5.55
10,40.6,6.400874,52,7.1,60,7.31,75,7.46,90,7.65,110,7.82,120,7.75,135,7.44,148.4,6.75099,150,6.64
12,38.8,6.76215,52,7.47,60,7.64,75,7.78,90,7.85,110,8.24,120,8.22,135,7.92,150,7.45,156.8,7.137143
14,38.2,6.92238,52,7.63,60,7.83,75,8.04,90,8.12,110,8.55,120,8.7,135,8.39,150,7.9,166.4,7.356262
16,38.1,7.014556,52,7.71,60,7.93,75,8.26,90,8.43,110,8.79,120,9.13,135,8.9,150,8.33,177.2,7.659144
20,37.6,7.105987,52,7.77,60,8.01,75,8.5,90,8.96,110,9.21,120,9.67,135,10.08,150,9.3,177.2,8.470112

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.33	5.64	5.88	5.9	6.01	5.87	5.32	4.46
8	6.36	6.67	6.91	7.1	7.23	7.11	6.57	5.55
10	7.1	7.31	7.46	7.65	7.82	7.75	7.44	6.64
12	7.47	7.64	7.78	7.85	8.24	8.22	7.92	7.45
14	7.63	7.83	8.04	8.12	8.55	8.7	8.39	7.9
16	7.71	7.93	8.26	8.43	8.79	9.13	8.9	8.33
20	7.77	8.01	8.5	8.96	9.21	9.67	10.08	9.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.5	139.8°	3.86
8	41.2°	4.25	148.7°	4.81
10	40.6°	4.86	148.4°	5.75
12	38.8°	5.27	156.8°	6.56
14	38.2°	5.44	166.4°	7.15
16	38.1°	5.52	177.2°	7.65
20	37.6°	5.63	177.2°	8.46

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