WILLIWAW: ORC Rating

GPH

612.8

OSN

598.9

LOA

10.275 m

Displacement

2828 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7814

Medium

1.0078

High

1.125

Triple Offshore

Low

0.9977

Medium

1.2252

High

1.3524

Boat Specifications

Dimensions

Length overall: 10.275 m
Beam: 2.5 m
Draft: 1.69 m
Displacement: 2828 kg
Crew weight: 566 kg
Wetted surface: 19.73 m²

Sails

Mainsail: 33.01 m²
Genoa: 28.81 m²
Spinnaker: 70.4 m²
Asymmetric spinnaker: 97.66 m²

Design

Type: Diamant 3000
Builder: Ott
Designer: Kjaerulff
Year built: 1990

Performance data

Polar CSV

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

6,42.1,4.932775,52,5.53,60,5.82,75,6.03,90,6.01,110,6.1,120,5.95,135,5.36,142.3,4.966991,150,4.54
8,40.8,5.825666,52,6.45,60,6.62,75,6.74,90,6.76,110,6.94,120,6.87,135,6.5,147.6,5.756057,150,5.61
10,38.7,6.112012,52,6.75,60,6.92,75,7.09,90,7.1,110,7.37,120,7.39,135,7.08,150,6.52,152.5,6.403529
12,37.8,6.213971,52,6.86,60,7.04,75,7.33,90,7.47,110,7.69,120,7.93,135,7.64,150,7.09,161.6,6.660512
14,37.6,6.272958,52,6.91,60,7.11,75,7.47,90,7.8,110,7.99,120,8.33,135,8.3,150,7.6,180,6.87
16,37.6,6.272958,52,6.93,60,7.15,75,7.55,90,8.03,110,8.28,120,8.7,135,9.06,150,8.19,180,7.32
20,38.7,6.381094,52,7.01,60,7.25,75,7.63,90,8.22,110,8.81,120,9.46,135,10.65,147.7,9.96141,150,9.72

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.53	5.82	6.03	6.01	6.1	5.95	5.36	4.54
8	6.45	6.62	6.74	6.76	6.94	6.87	6.5	5.61
10	6.75	6.92	7.09	7.1	7.37	7.39	7.08	6.52
12	6.86	7.04	7.33	7.47	7.69	7.93	7.64	7.09
14	6.91	7.11	7.47	7.8	7.99	8.33	8.3	7.6
16	6.93	7.15	7.55	8.03	8.28	8.7	9.06	8.19
20	7.01	7.25	7.63	8.22	8.81	9.46	10.65	9.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.66	142.3°	3.93
8	40.8°	4.41	147.6°	4.86
10	38.7°	4.77	152.5°	5.68
12	37.8°	4.91	161.6°	6.32
14	37.6°	4.97	180°	6.87
16	37.6°	4.97	180°	7.32
20	38.7°	4.98	147.7°	8.42

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°	5.53	6.45	6.75	6.86	6.91	6.93	7.01
60°	5.82	6.62	6.92	7.04	7.11	7.15	7.25
75°	6.03	6.74	7.09	7.33	7.47	7.55	7.63
90°	6.01	6.76	7.10	7.47	7.80	8.03	8.22
110°	6.10	6.94	7.37	7.69	7.99	8.28	8.81
120°	5.95	6.87	7.39	7.93	8.33	8.70	9.46
135°	5.36	6.50	7.08	7.64	8.30	9.06	10.65
150°	4.54	5.61	6.52	7.09	7.60	8.19	9.72