SCHIZZO: ORC Rating

GPH

863.1

OSN

841.4

LOA

5.5 m

Displacement

811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5331

Medium

0.7085

High

0.8071

Triple Offshore

Low

0.6878

Medium

0.8778

High

0.9927

Boat Specifications

Dimensions

Length overall: 5.5 m
Beam: 2.4 m
Draft: 0.93 m
Displacement: 811 kg
Crew weight: 330 kg
Wetted surface: 8.94 m²

Sails

Mainsail: 11.47 m²
Genoa: 9.21 m²
Spinnaker: 17.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 18
Builder: BENETEAU
Designer: FINOT
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.

6,45,3.37997,52,3.71,60,3.96,75,4.18,90,4.23,110,4.27,120,4.15,135,3.75,150,3.28,150.3,3.269511
8,44.3,3.926266,52,4.35,60,4.62,75,4.85,90,5,110,5.04,120,4.94,135,4.57,150,4.1,155.4,3.926373
10,44.9,4.37643,52,4.79,60,5.03,75,5.2,90,5.4,110,5.42,120,5.35,135,5.14,150,4.78,172.1,4.250338
12,45,4.695189,52,5.06,60,5.25,75,5.42,90,5.71,110,5.75,120,5.65,135,5.46,150,5.22,180,4.8
14,44.1,4.832019,52,5.23,60,5.42,75,5.65,90,6.04,110,6.1,120,5.99,135,5.77,150,5.51,180,5.21
16,44.9,5.011719,52,5.35,60,5.57,75,5.89,90,6.35,110,6.44,120,6.32,135,6.1,150,5.8,180,5.49
20,47.4,5.096946,52,5.38,60,5.76,75,6.27,90,6.73,110,7.19,120,7.07,135,6.78,150,6.43,180,6.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.71	3.96	4.18	4.23	4.27	4.15	3.75	3.28
8	4.35	4.62	4.85	5	5.04	4.94	4.57	4.1
10	4.79	5.03	5.2	5.4	5.42	5.35	5.14	4.78
12	5.06	5.25	5.42	5.71	5.75	5.65	5.46	5.22
14	5.23	5.42	5.65	6.04	6.1	5.99	5.77	5.51
16	5.35	5.57	5.89	6.35	6.44	6.32	6.1	5.8
20	5.38	5.76	6.27	6.73	7.19	7.07	6.78	6.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.39	150.3°	2.84
8	44.3°	2.81	155.4°	3.57
10	44.9°	3.1	172.1°	4.21
12	45°	3.32	180°	4.8
14	44.1°	3.47	180°	5.21
16	44.9°	3.55	180°	5.49
20	47.4°	3.45	180°	6.07

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°	3.71	4.35	4.79	5.06	5.23	5.35	5.38
60°	3.96	4.62	5.03	5.25	5.42	5.57	5.76
75°	4.18	4.85	5.20	5.42	5.65	5.89	6.27
90°	4.23	5.00	5.40	5.71	6.04	6.35	6.73
110°	4.27	5.04	5.42	5.75	6.10	6.44	7.19
120°	4.15	4.94	5.35	5.65	5.99	6.32	7.07
135°	3.75	4.57	5.14	5.46	5.77	6.10	6.78
150°	3.28	4.10	4.78	5.22	5.51	5.80	6.43