LA DARDOLA: ORC Rating

GPH

688.6

OSN

666.3

LOA

9.96 m

Displacement

3850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5963

Medium

0.8101

High

0.919

Triple Offshore

Low

0.7641

Medium

0.9847

High

1.086

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: 20.04 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

Performance data

Polar CSV

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

6,43.4,4.431754,52,4.89,60,5.14,75,5.29,90,5.17,110,5.01,120,4.85,135,4.36,145.7,3.897841,150,3.71
8,41.1,5.201951,52,5.77,60,5.97,75,6.1,90,6.05,110,6.07,120,5.94,135,5.46,149.4,4.809803,150,4.78
10,39.4,5.655248,52,6.23,60,6.38,75,6.5,90,6.51,110,6.61,120,6.55,135,6.26,150,5.68,152.8,5.542961
12,38.4,5.856882,52,6.45,60,6.59,75,6.73,90,6.77,110,6.94,120,6.91,135,6.71,150,6.33,159.2,5.990422
14,37.9,5.930927,52,6.55,60,6.7,75,6.89,90,6.98,110,7.2,120,7.23,135,7.05,150,6.73,173.2,6.203639
16,38.2,6.006183,52,6.59,60,6.76,75,7.01,90,7.15,110,7.45,120,7.53,135,7.38,150,7.05,178.1,6.593625
20,39,6.009167,52,6.6,60,6.79,75,7.12,90,7.43,110,7.76,120,8.14,135,8.13,150,7.71,179,7.201097
24,40.6,5.992588,52,6.55,60,6.78,75,7.18,90,7.6,110,7.96,120,8.54,135,9.13,150,8.53,178.6,7.842341

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.14	5.29	5.17	5.01	4.85	4.36	3.71
8	5.77	5.97	6.1	6.05	6.07	5.94	5.46	4.78
10	6.23	6.38	6.5	6.51	6.61	6.55	6.26	5.68
12	6.45	6.59	6.73	6.77	6.94	6.91	6.71	6.33
14	6.55	6.7	6.89	6.98	7.2	7.23	7.05	6.73
16	6.59	6.76	7.01	7.15	7.45	7.53	7.38	7.05
20	6.6	6.79	7.12	7.43	7.76	8.14	8.13	7.71
24	6.55	6.78	7.18	7.6	7.96	8.54	9.13	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.22	145.7°	3.22
8	41.1°	3.92	149.4°	4.14
10	39.4°	4.37	152.8°	4.93
12	38.4°	4.59	159.2°	5.6
14	37.9°	4.68	173.2°	6.16
16	38.2°	4.72	178.1°	6.59
20	39°	4.67	179°	7.2
24	40.6°	4.55	178.6°	7.84

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.89	5.77	6.23	6.45	6.55	6.59	6.60	6.55
60°	5.14	5.97	6.38	6.59	6.70	6.76	6.79	6.78
75°	5.29	6.10	6.50	6.73	6.89	7.01	7.12	7.18
90°	5.17	6.05	6.51	6.77	6.98	7.15	7.43	7.60
110°	5.01	6.07	6.61	6.94	7.20	7.45	7.76	7.96
120°	4.85	5.94	6.55	6.91	7.23	7.53	8.14	8.54
135°	4.36	5.46	6.26	6.71	7.05	7.38	8.13	9.13
150°	3.71	4.78	5.68	6.33	6.73	7.05	7.71	8.53