Julia: ORC Rating

GPH

621.7

OSN

603.7

LOA

11.65 m

Displacement

6430 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.655

Medium

0.8896

High

1.0186

Triple Offshore

Low

0.8467

Medium

1.0892

High

1.209

Boat Specifications

Dimensions

Length overall: 11.65 m
Beam: 3.46 m
Draft: 1.93 m
Displacement: 6430 kg
Crew weight: 683 kg
Wetted surface: 29.79 m²

Sails

Mainsail: 41.73 m²
Genoa: 40.87 m²
Spinnaker: 92.11 m²
Asymmetric spinnaker: 0 m²

Design

Type: COMFORTINA 38 CR
Builder: Comfortbåtar Marin
Designer: Thomas Bern
Year built: 1985
Stability index: 122

Performance data

Polar CSV

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

6,43.6,4.91596,52,5.46,60,5.76,75,5.96,90,5.83,110,5.63,120,5.46,135,4.89,143.3,4.390256,150,4.07
8,41.8,5.781541,52,6.42,60,6.65,75,6.81,90,6.75,110,6.77,120,6.62,135,6.06,148.7,5.278195,150,5.21
10,40,6.279009,52,6.94,60,7.11,75,7.24,90,7.24,110,7.36,120,7.28,135,6.92,150,6.2,151.4,6.127681
12,39,6.511003,52,7.18,60,7.35,75,7.51,90,7.54,110,7.74,120,7.69,135,7.41,150,6.96,157.7,6.625525
14,38.4,6.596967,52,7.29,60,7.48,75,7.71,90,7.79,110,8.06,120,8.04,135,7.79,150,7.42,170,6.843975
16,38.2,6.667881,52,7.36,60,7.56,75,7.85,90,8.01,110,8.33,120,8.38,135,8.16,150,7.77,177.2,7.248654
20,38.4,6.724568,52,7.42,60,7.64,75,8,90,8.34,110,8.69,120,9.06,135,8.98,150,8.48,179,7.931208

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.46	5.76	5.96	5.83	5.63	5.46	4.89	4.07
8	6.42	6.65	6.81	6.75	6.77	6.62	6.06	5.21
10	6.94	7.11	7.24	7.24	7.36	7.28	6.92	6.2
12	7.18	7.35	7.51	7.54	7.74	7.69	7.41	6.96
14	7.29	7.48	7.71	7.79	8.06	8.04	7.79	7.42
16	7.36	7.56	7.85	8.01	8.33	8.38	8.16	7.77
20	7.42	7.64	8	8.34	8.69	9.06	8.98	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.56	143.3°	3.52
8	41.8°	4.31	148.7°	4.51
10	40°	4.81	151.4°	5.38
12	39°	5.06	157.7°	6.13
14	38.4°	5.17	170°	6.74
16	38.2°	5.24	177.2°	7.24
20	38.4°	5.27	179°	7.93

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°	5.46	6.42	6.94	7.18	7.29	7.36	7.42
60°	5.76	6.65	7.11	7.35	7.48	7.56	7.64
75°	5.96	6.81	7.24	7.51	7.71	7.85	8.00
90°	5.83	6.75	7.24	7.54	7.79	8.01	8.34
110°	5.63	6.77	7.36	7.74	8.06	8.33	8.69
120°	5.46	6.62	7.28	7.69	8.04	8.38	9.06
135°	4.89	6.06	6.92	7.41	7.79	8.16	8.98
150°	4.07	5.21	6.20	6.96	7.42	7.77	8.48