BLUNDERBUSS — ORC Rating

GPH

581.5

OSN

562.9

LOA

12.24 m

Displacement

8202 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6907

Medium

0.9523

High

1.1082

Triple Offshore

Low

0.893

Medium

1.1685

High

1.3183

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 2.5 m
Displacement: 8202 kg
Crew weight: 805 kg
Wetted surface: 35.04 m²

Sails

Mainsail: 53.79 m²
Genoa: 38.05 m²
Spinnaker: 141.07 m²
Asymmetric spinnaker: 128.51 m²

Design

Type: FIRST 40
Builder: BENETEAU
Designer: FARR
Year built: 2008
Stability index: 134.2

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.

6,43,4.854012,52,5.44,60,5.77,75,6.03,90,6.11,110,6.16,120,5.99,135,5.41,142.6,4.984803,150,4.57
8,41.2,5.768094,52,6.51,60,6.84,75,7.08,90,7.31,110,7.4,120,7.26,135,6.68,147.5,5.892875,150,5.74
10,40.6,6.55892,52,7.28,60,7.49,75,7.65,90,7.87,110,8,120,7.92,135,7.59,149.8,6.814962,150,6.8
12,38.8,6.941789,52,7.65,60,7.83,75,7.97,90,8.11,110,8.42,120,8.37,135,8.08,150,7.59,156.1,7.295566
14,37.6,7.080744,52,7.83,60,8.02,75,8.23,90,8.3,110,8.8,120,8.86,135,8.53,150,8.06,165.8,7.509449
16,37.6,7.194339,52,7.92,60,8.13,75,8.45,90,8.6,110,9.07,120,9.36,135,9.05,150,8.48,177.2,7.809323
20,37,7.299951,52,7.99,60,8.23,75,8.71,90,9.17,110,9.55,120,10.08,135,10.25,150,9.47,177.2,8.610279

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.44	5.77	6.03	6.11	6.16	5.99	5.41	4.57
8	6.51	6.84	7.08	7.31	7.4	7.26	6.68	5.74
10	7.28	7.49	7.65	7.87	8	7.92	7.59	6.8
12	7.65	7.83	7.97	8.11	8.42	8.37	8.08	7.59
14	7.83	8.02	8.23	8.3	8.8	8.86	8.53	8.06
16	7.92	8.13	8.45	8.6	9.07	9.36	9.05	8.48
20	7.99	8.23	8.71	9.17	9.55	10.08	10.25	9.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.55	142.6°	3.96
8	41.2°	4.34	147.5°	4.97
10	40.6°	4.98	149.8°	5.89
12	38.8°	5.41	156.1°	6.67
14	37.6°	5.61	165.8°	7.28
16	37.6°	5.7	177.2°	7.8
20	37°	5.83	177.2°	8.6

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