FOOLPROOF: ORC Rating

GPH

720.1

OSN

701.3

LOA

7.865 m

Displacement

1413 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5683

Medium

0.762

High

0.8598

Triple Offshore

Low

0.7351

Medium

0.9365

High

1.0466

Boat Specifications

Dimensions

Length overall: 7.865 m
Beam: 3 m
Draft: 1.48 m
Displacement: 1413 kg
Crew weight: 375 kg
Wetted surface: 12.31 m²

Sails

Mainsail: 19.46 m²
Genoa: 11.52 m²
Spinnaker: 35.61 m²
Asymmetric spinnaker: 0 m²

Design

Type: 1/4 Ton
Builder: Caparros
Designer: J.Fauroux
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.

6,43.5,4.094437,52,4.56,60,4.82,75,5.03,90,5.12,110,5.11,120,4.93,135,4.43,147.5,3.829776,150,3.73
8,42.8,4.838293,52,5.39,60,5.63,75,5.78,90,5.95,110,5.96,120,5.84,135,5.4,150,4.7,151,4.653451
10,41.2,5.263054,52,5.81,60,5.98,75,6.14,90,6.36,110,6.42,120,6.31,135,6.04,150,5.52,154,5.362741
12,40.1,5.49076,52,6.01,60,6.2,75,6.41,90,6.69,110,6.87,120,6.77,135,6.45,150,6.09,172,5.554052
14,39.9,5.565946,52,6.13,60,6.36,75,6.66,90,6.89,110,7.26,120,7.22,135,6.88,150,6.47,180,6.01
16,40.3,5.611876,52,6.18,60,6.45,75,6.85,90,7.08,110,7.63,120,7.68,135,7.32,150,6.87,180,6.39
20,41.6,5.656607,52,6.18,60,6.49,75,7.02,90,7.52,110,8.21,120,8.84,135,8.54,150,7.73,180,7.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.82	5.03	5.12	5.11	4.93	4.43	3.73
8	5.39	5.63	5.78	5.95	5.96	5.84	5.4	4.7
10	5.81	5.98	6.14	6.36	6.42	6.31	6.04	5.52
12	6.01	6.2	6.41	6.69	6.87	6.77	6.45	6.09
14	6.13	6.36	6.66	6.89	7.26	7.22	6.88	6.47
16	6.18	6.45	6.85	7.08	7.63	7.68	7.32	6.87
20	6.18	6.49	7.02	7.52	8.21	8.84	8.54	7.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.97	147.5°	3.23
8	42.8°	3.55	151°	4.07
10	41.2°	3.96	154°	4.82
12	40.1°	4.2	172°	5.5
14	39.9°	4.27	180°	6.01
16	40.3°	4.28	180°	6.39
20	41.6°	4.23	180°	7.14

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°	4.56	5.39	5.81	6.01	6.13	6.18	6.18
60°	4.82	5.63	5.98	6.20	6.36	6.45	6.49
75°	5.03	5.78	6.14	6.41	6.66	6.85	7.02
90°	5.12	5.95	6.36	6.69	6.89	7.08	7.52
110°	5.11	5.96	6.42	6.87	7.26	7.63	8.21
120°	4.93	5.84	6.31	6.77	7.22	7.68	8.84
135°	4.43	5.40	6.04	6.45	6.88	7.32	8.54
150°	3.73	4.70	5.52	6.09	6.47	6.87	7.73