FOOLPROOF: ORC Rating

GPH

726

OSN

706.8

LOA

7.865 m

Displacement

1412 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5728

Medium

0.7587

High

0.848

Triple Offshore

Low

0.7371

Medium

0.926

High

1.0233

Boat Specifications

Dimensions

Length overall: 7.865 m
Beam: 3 m
Draft: 1.48 m
Displacement: 1412 kg
Crew weight: 375 kg
Wetted surface: 12.4 m²

Sails

Mainsail: 19.88 m²
Genoa: 11.21 m²
Spinnaker: 35.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: 1/4 Ton
Builder: Caparros
Designer: J.Fauroux
Year built: 1981
Stability index: 94.2

Performance data

Polar CSV

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

6,43.2,4.170275,52,4.63,60,4.87,75,5.02,90,5.12,110,5.09,120,4.92,135,4.4,146,3.835773,150,3.67
8,41.7,4.888579,52,5.4,60,5.58,75,5.7,90,5.88,110,5.87,120,5.75,135,5.33,150,4.67,151.4,4.612846
10,39.9,5.214001,52,5.77,60,5.93,75,6.06,90,6.27,110,6.31,120,6.21,135,5.95,150,5.48,155.6,5.259785
12,39.3,5.375787,52,5.94,60,6.12,75,6.32,90,6.53,110,6.71,120,6.6,135,6.34,150,6.01,168.2,5.547227
14,39.4,5.448191,52,6.04,60,6.25,75,6.52,90,6.69,110,7.07,120,7.01,135,6.71,150,6.37,178.1,5.933262
16,39.9,5.526841,52,6.1,60,6.33,75,6.67,90,6.88,110,7.36,120,7.45,135,7.11,150,6.72,179,6.280957
20,41.2,5.568736,52,6.13,60,6.4,75,6.84,90,7.24,110,7.85,120,8.32,135,8.35,150,7.54,179,6.96106

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.63	4.87	5.02	5.12	5.09	4.92	4.4	3.67
8	5.4	5.58	5.7	5.88	5.87	5.75	5.33	4.67
10	5.77	5.93	6.06	6.27	6.31	6.21	5.95	5.48
12	5.94	6.12	6.32	6.53	6.71	6.6	6.34	6.01
14	6.04	6.25	6.52	6.69	7.07	7.01	6.71	6.37
16	6.1	6.33	6.67	6.88	7.36	7.45	7.11	6.72
20	6.13	6.4	6.84	7.24	7.85	8.32	8.35	7.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.04	146°	3.18
8	41.7°	3.65	151.4°	4.05
10	39.9°	4	155.6°	4.79
12	39.3°	4.16	168.2°	5.43
14	39.4°	4.21	178.1°	5.93
16	39.9°	4.24	179°	6.28
20	41.2°	4.19	179°	6.96

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°	4.63	5.40	5.77	5.94	6.04	6.10	6.13
60°	4.87	5.58	5.93	6.12	6.25	6.33	6.40
75°	5.02	5.70	6.06	6.32	6.52	6.67	6.84
90°	5.12	5.88	6.27	6.53	6.69	6.88	7.24
110°	5.09	5.87	6.31	6.71	7.07	7.36	7.85
120°	4.92	5.75	6.21	6.60	7.01	7.45	8.32
135°	4.40	5.33	5.95	6.34	6.71	7.11	8.35
150°	3.67	4.67	5.48	6.01	6.37	6.72	7.54