Bonny Staf — ORC Rating

GPH

609.9

OSN

592.7

LOA

11.924 m

Displacement

7180 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6559

Medium

0.8984

High

1.0365

Triple Offshore

Low

0.8527

Medium

1.1142

High

1.249

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 1.9 m
Displacement: 7180 kg
Crew weight: 737 kg
Wetted surface: 31.6 m²

Sails

Mainsail: 46.2 m²
Genoa: 48.13 m²
Spinnaker: 100.57 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7 SD
Builder: BENETEAU
Designer: B.FARR
Year built: 1997
Stability index: 126

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.

6,44.4,4.856729,52,5.36,60,5.72,75,6.03,90,5.97,110,5.7,120,5.54,135,5,144.3,4.482298,150,4.21
8,43.2,5.775283,52,6.41,60,6.76,75,7.01,90,7.01,110,6.95,120,6.78,135,6.19,148.8,5.412899,150,5.34
10,42.4,6.472971,52,7.11,60,7.35,75,7.52,90,7.56,110,7.64,120,7.54,135,7.15,150,6.34,151.1,6.282379
12,41.2,6.738303,52,7.42,60,7.63,75,7.81,90,7.88,110,8.05,120,7.99,135,7.69,150,7.18,155.6,6.906899
14,40.5,6.851603,52,7.54,60,7.76,75,8.04,90,8.17,110,8.46,120,8.42,135,8.1,150,7.69,164.6,7.188085
16,40.6,6.940865,52,7.6,60,7.83,75,8.19,90,8.46,110,8.8,120,8.88,135,8.54,150,8.07,177.2,7.478929
20,40.7,7.004036,52,7.63,60,7.88,75,8.34,90,8.9,110,9.22,120,9.66,135,9.52,150,8.92,179,8.221252

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.72	6.03	5.97	5.7	5.54	5	4.21
8	6.41	6.76	7.01	7.01	6.95	6.78	6.19	5.34
10	7.11	7.35	7.52	7.56	7.64	7.54	7.15	6.34
12	7.42	7.63	7.81	7.88	8.05	7.99	7.69	7.18
14	7.54	7.76	8.04	8.17	8.46	8.42	8.1	7.69
16	7.6	7.83	8.19	8.46	8.8	8.88	8.54	8.07
20	7.63	7.88	8.34	8.9	9.22	9.66	9.52	8.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.47	144.3°	3.64
8	43.2°	4.21	148.8°	4.63
10	42.4°	4.78	151.1°	5.5
12	41.2°	5.07	155.6°	6.29
14	40.5°	5.21	164.6°	6.93
16	40.6°	5.27	177.2°	7.47
20	40.7°	5.31	179°	8.22

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