Vesper: ORC Rating

GPH

575.4

OSN

558.1

LOA

12.24 m

Displacement

8096 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7119

Medium

0.9589

High

1.0839

Triple Offshore

Low

0.9153

Medium

1.1765

High

1.3048

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 2.49 m
Displacement: 8096 kg
Crew weight: 797 kg
Wetted surface: 34.07 m²

Sails

Mainsail: 51.55 m²
Genoa: 39.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 158.07 m²

Design

Type: First 40
Builder: Beneteau
Designer: Farr
Year built: 2008
Stability index: 124.7

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.4,5.064626,52,5.68,60,5.96,75,6.16,90,6.16,110,6.27,120,6.13,135,5.44,143.3,4.963982,150,4.6
8,40.2,5.983273,52,6.72,60,6.96,75,7.13,90,7.28,110,7.44,120,7.34,135,6.81,146.9,5.992465,150,5.8
10,38.8,6.608173,52,7.36,60,7.54,75,7.67,90,7.79,110,8.04,120,7.99,135,7.67,147.8,7.019674,150,6.86
12,37.6,6.904041,52,7.68,60,7.86,75,8.01,90,8.01,110,8.44,120,8.46,135,8.19,150,7.61,150.3,7.586646
14,37,7.037002,52,7.83,60,8.04,75,8.26,90,8.31,110,8.71,120,8.9,135,8.67,150,8.02,150.7,7.96955
16,36.7,7.121693,52,7.92,60,8.13,75,8.44,90,8.58,110,8.94,120,9.28,135,9.15,150,8.34,171.8,7.456231
20,37,7.249865,52,8.01,60,8.25,75,8.65,90,9,110,9.35,120,9.83,135,10.29,150,9.02,175.7,8.213119

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.68	5.96	6.16	6.16	6.27	6.13	5.44	4.6
8	6.72	6.96	7.13	7.28	7.44	7.34	6.81	5.8
10	7.36	7.54	7.67	7.79	8.04	7.99	7.67	6.86
12	7.68	7.86	8.01	8.01	8.44	8.46	8.19	7.61
14	7.83	8.04	8.26	8.31	8.71	8.9	8.67	8.02
16	7.92	8.13	8.44	8.58	8.94	9.28	9.15	8.34
20	8.01	8.25	8.65	9	9.35	9.83	10.29	9.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.74	143.3°	3.98
8	40.2°	4.57	146.9°	5.02
10	38.8°	5.15	147.8°	5.94
12	37.6°	5.47	150.3°	6.59
14	37°	5.62	150.7°	6.95
16	36.7°	5.71	171.8°	7.38
20	37°	5.79	175.7°	8.19

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.68	6.72	7.36	7.68	7.83	7.92	8.01
60°	5.96	6.96	7.54	7.86	8.04	8.13	8.25
75°	6.16	7.13	7.67	8.01	8.26	8.44	8.65
90°	6.16	7.28	7.79	8.01	8.31	8.58	9.00
110°	6.27	7.44	8.04	8.44	8.71	8.94	9.35
120°	6.13	7.34	7.99	8.46	8.90	9.28	9.83
135°	5.44	6.81	7.67	8.19	8.67	9.15	10.29
150°	4.60	5.80	6.86	7.61	8.02	8.34	9.02