BLUNDERBUSS — ORC Rating

GPH

581.2

OSN

563.4

LOA

12.24 m

Displacement

8202 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6932

Medium

0.9507

High

1.1051

Triple Offshore

Low

0.8956

Medium

1.1675

High

1.3169

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: 35.12 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

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.

6,42.8,4.87918,52,5.47,60,5.8,75,6.07,90,6.11,110,6.16,120,5.99,135,5.42,143,4.9835,150,4.59
8,41.2,5.781385,52,6.52,60,6.85,75,7.1,90,7.31,110,7.39,120,7.25,135,6.69,147.5,5.892875,150,5.74
10,40.5,6.549133,52,7.28,60,7.5,75,7.66,90,7.87,110,7.99,120,7.92,135,7.59,149.5,6.824282,150,6.79
12,38.6,6.922403,52,7.65,60,7.83,75,7.98,90,8.08,110,8.4,120,8.36,135,8.08,150,7.58,155.5,7.297014
14,37.7,7.065007,52,7.83,60,8.02,75,8.24,90,8.31,110,8.75,120,8.84,135,8.52,150,8.04,169,7.385696
16,37.7,7.178755,52,7.91,60,8.13,75,8.46,90,8.61,110,9.01,120,9.31,135,9.03,150,8.45,180,7.8
20,37.1,7.259424,52,7.97,60,8.21,75,8.71,90,9.17,110,9.48,120,9.94,135,10.22,150,9.41,180,8.6

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.47	5.8	6.07	6.11	6.16	5.99	5.42	4.59
8	6.52	6.85	7.1	7.31	7.39	7.25	6.69	5.74
10	7.28	7.5	7.66	7.87	7.99	7.92	7.59	6.79
12	7.65	7.83	7.98	8.08	8.4	8.36	8.08	7.58
14	7.83	8.02	8.24	8.31	8.75	8.84	8.52	8.04
16	7.91	8.13	8.46	8.61	9.01	9.31	9.03	8.45
20	7.97	8.21	8.71	9.17	9.48	9.94	10.22	9.41

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.58	143°	3.98
8	41.2°	4.35	147.5°	4.97
10	40.5°	4.98	149.5°	5.88
12	38.6°	5.41	155.5°	6.64
14	37.7°	5.59	169°	7.25
16	37.7°	5.68	180°	7.8
20	37.1°	5.79	180°	8.6

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