ZIG ZAG I: ORC Rating

GPH

739.6

OSN

718.6

LOA

7.86 m

Displacement

2227 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6136

Medium

0.8365

High

0.9737

Triple Offshore

Low

0.7923

Medium

1.0318

High

1.1631

Boat Specifications

Dimensions

Length overall: 7.86 m
Beam: 2.57 m
Draft: 1.54 m
Displacement: 2227 kg
Crew weight: 350 kg
Wetted surface: 14.99 m²

Sails

Mainsail: 18.64 m²
Genoa: 18.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 37.35 m²

Design

Type: ETAP 26
Builder: Etap Yachting
Designer: J. de Ridder
Year built: 1982

Performance data

Polar CSV

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

6,42.4,3.967742,52,4.43,60,4.67,75,4.87,90,4.81,110,4.77,120,4.55,135,4.07,145.9,3.635001,150,3.48
8,41.1,4.67114,52,5.28,60,5.53,75,5.71,90,5.75,110,5.74,120,5.56,135,5.03,146.8,4.529352,150,4.37
10,41,5.300052,52,5.83,60,5.99,75,6.11,90,6.22,110,6.21,120,6.11,135,5.82,146.2,5.367128,150,5.15
12,38.7,5.561034,52,6.1,60,6.23,75,6.36,90,6.53,110,6.53,120,6.44,135,6.22,149.1,5.780449,150,5.72
14,37.8,5.707741,52,6.24,60,6.4,75,6.57,90,6.8,110,6.89,120,6.77,135,6.52,150,6.09,171.9,5.605927
16,37.3,5.745006,52,6.31,60,6.5,75,6.76,90,6.97,110,7.24,120,7.14,135,6.85,150,6.34,174.8,5.994672
20,38.1,5.807341,52,6.36,60,6.57,75,6.99,90,7.3,110,7.86,120,7.89,135,7.55,150,6.87,178.6,6.501941

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.43	4.67	4.87	4.81	4.77	4.55	4.07	3.48
8	5.28	5.53	5.71	5.75	5.74	5.56	5.03	4.37
10	5.83	5.99	6.11	6.22	6.21	6.11	5.82	5.15
12	6.1	6.23	6.36	6.53	6.53	6.44	6.22	5.72
14	6.24	6.4	6.57	6.8	6.89	6.77	6.52	6.09
16	6.31	6.5	6.76	6.97	7.24	7.14	6.85	6.34
20	6.36	6.57	6.99	7.3	7.86	7.89	7.55	6.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	2.93	145.9°	3.01
8	41.1°	3.52	146.8°	3.79
10	41°	4	146.2°	4.46
12	38.7°	4.34	149.1°	4.96
14	37.8°	4.51	171.9°	5.55
16	37.3°	4.57	174.8°	5.97
20	38.1°	4.57	178.6°	6.5

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°	4.43	5.28	5.83	6.10	6.24	6.31	6.36
60°	4.67	5.53	5.99	6.23	6.40	6.50	6.57
75°	4.87	5.71	6.11	6.36	6.57	6.76	6.99
90°	4.81	5.75	6.22	6.53	6.80	6.97	7.30
110°	4.77	5.74	6.21	6.53	6.89	7.24	7.86
120°	4.55	5.56	6.11	6.44	6.77	7.14	7.89
135°	4.07	5.03	5.82	6.22	6.52	6.85	7.55
150°	3.48	4.37	5.15	5.72	6.09	6.34	6.87