Capere Ventus: ORC Rating

GPH

615.7

OSN

598.1

LOA

14.55 m

Displacement

10569 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7144

Medium

0.9868

High

1.1593

Triple Offshore

Low

0.9333

Medium

1.2482

High

1.4221

Boat Specifications

Dimensions

Length overall: 14.55 m
Beam: 3.66 m
Draft: 1.9 m
Displacement: 10569 kg
Crew weight: 821 kg
Wetted surface: 41.4 m²

Sails

Mainsail: 46.28 m²
Genoa: 72.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 117.29 m²

Design

Type: CAL 48
Builder: Jensen Bjorn
Designer: C. William Lapwort
Year built: 1966

Performance data

Polar CSV

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

6,45.6,4.80231,52,5.25,60,5.61,75,5.9,90,5.87,110,5.54,120,5.37,135,4.82,144.7,4.312998,150,4.07
8,44.3,5.686798,52,6.29,60,6.68,75,7,90,6.98,110,6.8,120,6.59,135,6,147.4,5.329678,150,5.19
10,44.2,6.486164,52,7.14,60,7.47,75,7.69,90,7.72,110,7.72,120,7.56,135,7.02,147.3,6.31008,150,6.13
12,43.4,6.964184,52,7.61,60,7.86,75,8.05,90,8.11,110,8.2,120,8.1,135,7.76,147.4,7.157674,150,6.97
14,42,7.118397,52,7.8,60,8.04,75,8.3,90,8.4,110,8.6,120,8.5,135,8.19,148.8,7.645865,150,7.55
16,41.5,7.223391,52,7.89,60,8.14,75,8.47,90,8.67,110,8.98,120,8.94,135,8.58,150,7.94,169.9,7.160972
20,41.4,7.305585,52,7.97,60,8.22,75,8.65,90,9.12,110,9.49,120,9.77,135,9.44,150,8.53,174,8.013901

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.61	5.9	5.87	5.54	5.37	4.82	4.07
8	6.29	6.68	7	6.98	6.8	6.59	6	5.19
10	7.14	7.47	7.69	7.72	7.72	7.56	7.02	6.13
12	7.61	7.86	8.05	8.11	8.2	8.1	7.76	6.97
14	7.8	8.04	8.3	8.4	8.6	8.5	8.19	7.55
16	7.89	8.14	8.47	8.67	8.98	8.94	8.58	7.94
20	7.97	8.22	8.65	9.12	9.49	9.77	9.44	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.6°	3.36	144.7°	3.52
8	44.3°	4.07	147.4°	4.49
10	44.2°	4.65	147.3°	5.31
12	43.4°	5.06	147.4°	6.03
14	42°	5.29	148.8°	6.54
16	41.5°	5.41	169.9°	7.05
20	41.4°	5.48	174°	7.97

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°	5.25	6.29	7.14	7.61	7.80	7.89	7.97
60°	5.61	6.68	7.47	7.86	8.04	8.14	8.22
75°	5.90	7.00	7.69	8.05	8.30	8.47	8.65
90°	5.87	6.98	7.72	8.11	8.40	8.67	9.12
110°	5.54	6.80	7.72	8.20	8.60	8.98	9.49
120°	5.37	6.59	7.56	8.10	8.50	8.94	9.77
135°	4.82	6.00	7.02	7.76	8.19	8.58	9.44
150°	4.07	5.19	6.13	6.97	7.55	7.94	8.53