Krullevaar: ORC Rating

GPH

617.8

OSN

599

LOA

11.35 m

Displacement

6715 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6513

Medium

0.8943

High

1.0391

Triple Offshore

Low

0.842

Medium

1.0995

High

1.235

Boat Specifications

Dimensions

Length overall: 11.35 m
Beam: 3.47 m
Draft: 2.03 m
Displacement: 6715 kg
Crew weight: 712 kg
Wetted surface: 29.12 m²

Sails

Mainsail: 43.53 m²
Genoa: 33.1 m²
Spinnaker: 92.06 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-37
Builder: X-yachts
Designer: Niels Jeppesen
Year built: 2004
Stability index: 133

Performance data

Polar CSV

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

6,43,4.689933,52,5.24,60,5.55,75,5.8,90,5.73,110,5.72,120,5.55,135,5.01,144.3,4.506926,150,4.23
8,41.8,5.553499,52,6.23,60,6.55,75,6.78,90,6.82,110,6.91,120,6.75,135,6.15,149.8,5.333952,150,5.33
10,41.2,6.273135,52,6.93,60,7.14,75,7.29,90,7.42,110,7.51,120,7.42,135,7.05,150,6.3,151.6,6.207024
12,39.4,6.612887,52,7.27,60,7.44,75,7.58,90,7.7,110,7.89,120,7.82,135,7.54,150,7.08,156.8,6.76723
14,38.7,6.739871,52,7.42,60,7.61,75,7.81,90,7.89,110,8.27,120,8.22,135,7.92,150,7.54,168.2,6.997884
16,38.7,6.829565,52,7.48,60,7.69,75,8,90,8.15,110,8.57,120,8.64,135,8.33,150,7.89,178.4,7.362871
20,38.1,6.912896,52,7.55,60,7.73,75,8.19,90,8.63,110,8.96,120,9.36,135,9.24,150,8.69,179,8.061228

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.24	5.55	5.8	5.73	5.72	5.55	5.01	4.23
8	6.23	6.55	6.78	6.82	6.91	6.75	6.15	5.33
10	6.93	7.14	7.29	7.42	7.51	7.42	7.05	6.3
12	7.27	7.44	7.58	7.7	7.89	7.82	7.54	7.08
14	7.42	7.61	7.81	7.89	8.27	8.22	7.92	7.54
16	7.48	7.69	8	8.15	8.57	8.64	8.33	7.89
20	7.55	7.73	8.19	8.63	8.96	9.36	9.24	8.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.43	144.3°	3.66
8	41.8°	4.14	149.8°	4.61
10	41.2°	4.72	151.6°	5.46
12	39.4°	5.11	156.8°	6.22
14	38.7°	5.26	168.2°	6.85
16	38.7°	5.33	178.4°	7.36
20	38.1°	5.44	179°	8.06

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°	5.24	6.23	6.93	7.27	7.42	7.48	7.55
60°	5.55	6.55	7.14	7.44	7.61	7.69	7.73
75°	5.80	6.78	7.29	7.58	7.81	8.00	8.19
90°	5.73	6.82	7.42	7.70	7.89	8.15	8.63
110°	5.72	6.91	7.51	7.89	8.27	8.57	8.96
120°	5.55	6.75	7.42	7.82	8.22	8.64	9.36
135°	5.01	6.15	7.05	7.54	7.92	8.33	9.24
150°	4.23	5.33	6.30	7.08	7.54	7.89	8.69