Leda 3: ORC Rating

GPH

624.3

OSN

609.3

LOA

9.98 m

Displacement

4399 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7484

Medium

0.9869

High

1.1047

Triple Offshore

Low

0.963

Medium

1.2127

High

1.333

Boat Specifications

Dimensions

Length overall: 9.98 m
Beam: 3.37 m
Draft: 1.99 m
Displacement: 4399 kg
Crew weight: 582 kg
Wetted surface: 23.17 m²

Sails

Mainsail: 35.13 m²
Genoa: 34.92 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 98.16 m²

Design

Type: First 34.7
Builder: Beneteau
Designer: B.Farr
Year built: 2004

Performance data

Polar CSV

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

6,42.4,4.766707,52,5.35,60,5.65,75,5.91,90,5.84,110,5.82,120,5.66,135,5.09,144.9,4.57129,150,4.32
8,41.3,5.63051,52,6.31,60,6.55,75,6.72,90,6.76,110,6.86,120,6.75,135,6.26,148,5.506763,150,5.39
10,39.9,6.191626,52,6.82,60,6.98,75,7.1,90,7.19,110,7.34,120,7.26,135,6.98,148.7,6.413416,150,6.33
12,38.6,6.346603,52,7.02,60,7.19,75,7.37,90,7.41,110,7.74,120,7.7,135,7.41,150,6.9,150.6,6.875465
14,38.5,6.46556,52,7.1,60,7.29,75,7.58,90,7.7,110,8.07,120,8.17,135,7.85,150,7.23,174.5,6.419554
16,38.3,6.498667,52,7.13,60,7.34,75,7.7,90,7.97,110,8.28,120,8.62,135,8.33,150,7.53,177.2,6.908247
20,38.6,6.538536,52,7.16,60,7.36,75,7.8,90,8.32,110,8.66,120,9.16,135,9.47,150,8.31,177.7,7.566095

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.35	5.65	5.91	5.84	5.82	5.66	5.09	4.32
8	6.31	6.55	6.72	6.76	6.86	6.75	6.26	5.39
10	6.82	6.98	7.1	7.19	7.34	7.26	6.98	6.33
12	7.02	7.19	7.37	7.41	7.74	7.7	7.41	6.9
14	7.1	7.29	7.58	7.7	8.07	8.17	7.85	7.23
16	7.13	7.34	7.7	7.97	8.28	8.62	8.33	7.53
20	7.16	7.36	7.8	8.32	8.66	9.16	9.47	8.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.52	144.9°	3.74
8	41.3°	4.23	148°	4.67
10	39.9°	4.75	148.7°	5.48
12	38.6°	4.96	150.6°	5.99
14	38.5°	5.06	174.5°	6.39
16	38.3°	5.1	177.2°	6.9
20	38.6°	5.11	177.7°	7.56

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°	5.35	6.31	6.82	7.02	7.10	7.13	7.16
60°	5.65	6.55	6.98	7.19	7.29	7.34	7.36
75°	5.91	6.72	7.10	7.37	7.58	7.70	7.80
90°	5.84	6.76	7.19	7.41	7.70	7.97	8.32
110°	5.82	6.86	7.34	7.74	8.07	8.28	8.66
120°	5.66	6.75	7.26	7.70	8.17	8.62	9.16
135°	5.09	6.26	6.98	7.41	7.85	8.33	9.47
150°	4.32	5.39	6.33	6.90	7.23	7.53	8.31