ADELE: ORC Rating

GPH

650.1

OSN

629.7

LOA

9.98 m

Displacement

4820 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6957

Medium

0.9573

High

1.109

Triple Offshore

Low

0.8975

Medium

1.1769

High

1.324

Boat Specifications

Dimensions

Length overall: 9.98 m
Beam: 3.37 m
Draft: 2.01 m
Displacement: 4820 kg
Crew weight: 700 kg
Wetted surface: 23.94 m²

Sails

Mainsail: 33.25 m²
Genoa: 26.09 m²
Spinnaker: 81.85 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 34.7
Builder: Beneteau
Designer: Farr
Year built: 2005

Performance data

Polar CSV

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

6,42.7,4.354247,52,4.87,60,5.13,75,5.35,90,5.39,110,5.48,120,5.33,135,4.85,145.9,4.275051,150,4.08
8,41.2,5.143439,52,5.8,60,6.1,75,6.33,90,6.51,110,6.61,120,6.47,135,5.95,150,5.14,150.2,5.128114
10,41.4,5.879129,52,6.51,60,6.73,75,6.88,90,7.07,110,7.17,120,7.09,135,6.79,150,6.1,150.5,6.066485
12,39.7,6.251628,52,6.87,60,7.04,75,7.18,90,7.34,110,7.55,120,7.48,135,7.23,150,6.83,157.9,6.497371
14,38.8,6.377208,52,7.04,60,7.22,75,7.41,90,7.48,110,7.93,120,7.9,135,7.6,150,7.23,180,6.63
16,39,6.472401,52,7.1,60,7.31,75,7.6,90,7.72,110,8.22,120,8.33,135,8.01,150,7.57,180,7.08
20,39.2,6.516596,52,7.12,60,7.36,75,7.81,90,8.19,110,8.6,120,9.02,135,8.93,150,8.35,180,7.76

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.13	5.35	5.39	5.48	5.33	4.85	4.08
8	5.8	6.1	6.33	6.51	6.61	6.47	5.95	5.14
10	6.51	6.73	6.88	7.07	7.17	7.09	6.79	6.1
12	6.87	7.04	7.18	7.34	7.55	7.48	7.23	6.83
14	7.04	7.22	7.41	7.48	7.93	7.9	7.6	7.23
16	7.1	7.31	7.6	7.72	8.22	8.33	8.01	7.57
20	7.12	7.36	7.81	8.19	8.6	9.02	8.93	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.2	145.9°	3.54
8	41.2°	3.87	150.2°	4.45
10	41.4°	4.41	150.5°	5.28
12	39.7°	4.81	157.9°	6.02
14	38.8°	4.97	180°	6.63
16	39°	5.03	180°	7.08
20	39.2°	5.05	180°	7.76

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°	4.87	5.80	6.51	6.87	7.04	7.10	7.12
60°	5.13	6.10	6.73	7.04	7.22	7.31	7.36
75°	5.35	6.33	6.88	7.18	7.41	7.60	7.81
90°	5.39	6.51	7.07	7.34	7.48	7.72	8.19
110°	5.48	6.61	7.17	7.55	7.93	8.22	8.60
120°	5.33	6.47	7.09	7.48	7.90	8.33	9.02
135°	4.85	5.95	6.79	7.23	7.60	8.01	8.93
150°	4.08	5.14	6.10	6.83	7.23	7.57	8.35