LA DARDOLA: ORC Rating

GPH

692.7

OSN

670

LOA

9.96 m

Displacement

3850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5841

Medium

0.8024

High

0.9172

Triple Offshore

Low

0.7512

Medium

0.9822

High

1.0925

Boat Specifications

Dimensions

Length overall: 9.96 m
Beam: 3.24 m
Draft: 1.91 m
Displacement: 3850 kg
Crew weight: 400 kg
Wetted surface: 19.94 m²

Sails

Mainsail: 23.36 m²
Genoa: 35.73 m²
Spinnaker: 63.24 m²
Asymmetric spinnaker: 0 m²

Design

Type: Ziggurat 995
Builder: C.P.R.
Designer: A. Vallicelli & C.
Year built: 1981
Stability index: 131.6

Performance data

Polar CSV

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

6,43.5,4.259869,52,4.72,60,4.98,75,5.17,90,5.09,110,4.97,120,4.82,135,4.36,146.9,3.855709,150,3.73
8,41.8,5.043757,52,5.64,60,5.9,75,6.09,90,6.05,110,6.08,120,5.94,135,5.43,150,4.76,150.5,4.745186
10,41.2,5.648479,52,6.22,60,6.4,75,6.52,90,6.54,110,6.65,120,6.59,135,6.29,150,5.67,152,5.572245
12,39.6,5.892176,52,6.47,60,6.62,75,6.77,90,6.81,110,7,120,6.96,135,6.74,150,6.37,157.8,6.069963
14,39.4,6.004657,52,6.57,60,6.75,75,6.96,90,7.05,110,7.34,120,7.33,135,7.09,150,6.76,171.8,6.274145
16,39.4,6.056421,52,6.62,60,6.81,75,7.11,90,7.28,110,7.6,120,7.69,135,7.48,150,7.1,179,6.63101
20,40.5,6.075702,52,6.62,60,6.84,75,7.27,90,7.64,110,7.9,120,8.24,135,8.26,150,7.83,179,7.271107

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.98	5.17	5.09	4.97	4.82	4.36	3.73
8	5.64	5.9	6.09	6.05	6.08	5.94	5.43	4.76
10	6.22	6.4	6.52	6.54	6.65	6.59	6.29	5.67
12	6.47	6.62	6.77	6.81	7	6.96	6.74	6.37
14	6.57	6.75	6.96	7.05	7.34	7.33	7.09	6.76
16	6.62	6.81	7.11	7.28	7.6	7.69	7.48	7.1
20	6.62	6.84	7.27	7.64	7.9	8.24	8.26	7.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.09	146.9°	3.23
8	41.8°	3.76	150.5°	4.13
10	41.2°	4.25	152°	4.92
12	39.6°	4.54	157.8°	5.62
14	39.4°	4.64	171.8°	6.21
16	39.4°	4.68	179°	6.63
20	40.5°	4.62	179°	7.27

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°	4.72	5.64	6.22	6.47	6.57	6.62	6.62
60°	4.98	5.90	6.40	6.62	6.75	6.81	6.84
75°	5.17	6.09	6.52	6.77	6.96	7.11	7.27
90°	5.09	6.05	6.54	6.81	7.05	7.28	7.64
110°	4.97	6.08	6.65	7.00	7.34	7.60	7.90
120°	4.82	5.94	6.59	6.96	7.33	7.69	8.24
135°	4.36	5.43	6.29	6.74	7.09	7.48	8.26
150°	3.73	4.76	5.67	6.37	6.76	7.10	7.83