Uredd II: ORC Rating

GPH

567.7

OSN

551.7

LOA

11.99 m

Displacement

6817 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8139

Medium

1.0914

High

1.2331

Triple Offshore

Low

1.0487

Medium

1.3387

High

1.4874

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.79 m
Draft: 2.54 m
Displacement: 6817 kg
Crew weight: 748 kg
Wetted surface: 30.65 m²

Sails

Mainsail: 53.24 m²
Genoa: 37.65 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 149.08 m²

Design

Type: A40 rc
Builder: Archambault
Designer: Joubert/Nivel
Year built: 2006

Performance data

Polar CSV

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

6,42.1,5.134938,52,5.76,60,6.06,75,6.29,90,6.3,110,6.39,120,6.23,135,5.55,143.5,5.05065,150,4.68
8,40.7,6.120287,52,6.89,60,7.16,75,7.33,90,7.45,110,7.58,120,7.48,135,6.93,146.4,6.099016,150,5.86
10,39.5,6.790867,52,7.5,60,7.68,75,7.81,90,7.81,110,8.11,120,8.05,135,7.74,148.4,7.067993,150,6.95
12,37.9,7.008125,52,7.75,60,7.93,75,8.11,90,8.14,110,8.44,120,8.54,135,8.22,150,7.68,151.2,7.600079
14,37.3,7.12783,52,7.86,60,8.07,75,8.35,90,8.46,110,8.72,120,9.03,135,8.73,150,8.02,152.9,7.863288
16,36.9,7.165324,52,7.92,60,8.15,75,8.55,90,8.79,110,9,120,9.39,135,9.35,150,8.4,176.4,7.544888
20,36.4,7.292888,52,8.03,60,8.24,75,8.72,90,9.34,110,9.61,120,10.13,135,10.95,150,9.44,177.5,8.307907

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.06	6.29	6.3	6.39	6.23	5.55	4.68
8	6.89	7.16	7.33	7.45	7.58	7.48	6.93	5.86
10	7.5	7.68	7.81	7.81	8.11	8.05	7.74	6.95
12	7.75	7.93	8.11	8.14	8.44	8.54	8.22	7.68
14	7.86	8.07	8.35	8.46	8.72	9.03	8.73	8.02
16	7.92	8.15	8.55	8.79	9	9.39	9.35	8.4
20	8.03	8.24	8.72	9.34	9.61	10.13	10.95	9.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.81	143.5°	4.06
8	40.7°	4.64	146.4°	5.08
10	39.5°	5.24	148.4°	6.02
12	37.9°	5.53	151.2°	6.66
14	37.3°	5.67	152.9°	7
16	36.9°	5.73	176.4°	7.53
20	36.4°	5.87	177.5°	8.3

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°	5.76	6.89	7.50	7.75	7.86	7.92	8.03
60°	6.06	7.16	7.68	7.93	8.07	8.15	8.24
75°	6.29	7.33	7.81	8.11	8.35	8.55	8.72
90°	6.30	7.45	7.81	8.14	8.46	8.79	9.34
110°	6.39	7.58	8.11	8.44	8.72	9.00	9.61
120°	6.23	7.48	8.05	8.54	9.03	9.39	10.13
135°	5.55	6.93	7.74	8.22	8.73	9.35	10.95
150°	4.68	5.86	6.95	7.68	8.02	8.40	9.44