NINA: ORC Rating

GPH

664.7

OSN

647.2

LOA

11.54 m

Displacement

7531 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6313

Medium

0.8253

High

0.9349

Triple Offshore

Low

0.8029

Medium

1.0122

High

1.1151

Boat Specifications

Dimensions

Length overall: 11.54 m
Beam: 3.71 m
Draft: 1.9 m
Displacement: 7531 kg
Crew weight: 597 kg
Wetted surface: 26.15 m²

Sails

Mainsail: 29.74 m²
Genoa: 43.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 90.41 m²

Design

Type: C&C 38
Builder: C&C
Designer: C&C
Year built: 1975
Stability index: 111.7

Performance data

Polar CSV

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

6,41.8,4.54743,52,5.08,60,5.31,75,5.44,90,5.34,110,5.33,120,5.19,135,4.74,146,4.245887,150,4.07
8,40.6,5.28138,52,5.9,60,6.11,75,6.23,90,6.21,110,6.33,120,6.2,135,5.76,147.9,5.182253,150,5.07
10,39.4,5.784659,52,6.39,60,6.55,75,6.67,90,6.75,110,6.86,120,6.8,135,6.51,147.8,6.003357,150,5.87
12,38.4,6.061043,52,6.65,60,6.79,75,6.92,90,7.02,110,7.18,120,7.15,135,6.96,148.5,6.509194,150,6.41
14,38.1,6.201274,52,6.79,60,6.93,75,7.09,90,7.19,110,7.42,120,7.43,135,7.27,150,6.76,167.6,6.020443
16,37.6,6.247715,52,6.88,60,7.03,75,7.21,90,7.3,110,7.65,120,7.7,135,7.55,150,7.02,173.6,6.42001
20,37.6,6.323445,52,6.96,60,7.15,75,7.42,90,7.57,110,8.04,120,8.27,135,8.13,150,7.44,177.5,7.026688

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.08	5.31	5.44	5.34	5.33	5.19	4.74	4.07
8	5.9	6.11	6.23	6.21	6.33	6.2	5.76	5.07
10	6.39	6.55	6.67	6.75	6.86	6.8	6.51	5.87
12	6.65	6.79	6.92	7.02	7.18	7.15	6.96	6.41
14	6.79	6.93	7.09	7.19	7.42	7.43	7.27	6.76
16	6.88	7.03	7.21	7.3	7.65	7.7	7.55	7.02
20	6.96	7.15	7.42	7.57	8.04	8.27	8.13	7.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.39	146°	3.52
8	40.6°	4.01	147.9°	4.39
10	39.4°	4.47	147.8°	5.08
12	38.4°	4.75	148.5°	5.55
14	38.1°	4.88	167.6°	5.88
16	37.6°	4.95	173.6°	6.38
20	37.6°	5.01	177.5°	7.02

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°	5.08	5.90	6.39	6.65	6.79	6.88	6.96
60°	5.31	6.11	6.55	6.79	6.93	7.03	7.15
75°	5.44	6.23	6.67	6.92	7.09	7.21	7.42
90°	5.34	6.21	6.75	7.02	7.19	7.30	7.57
110°	5.33	6.33	6.86	7.18	7.42	7.65	8.04
120°	5.19	6.20	6.80	7.15	7.43	7.70	8.27
135°	4.74	5.76	6.51	6.96	7.27	7.55	8.13
150°	4.07	5.07	5.87	6.41	6.76	7.02	7.44