TCHIN TCHIN: ORC Rating

GPH

602.3

OSN

584.8

LOA

10.617 m

Displacement

4396 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7618

Medium

1.027

High

1.1634

Triple Offshore

Low

0.9829

Medium

1.2638

High

1.4126

Boat Specifications

Dimensions

Length overall: 10.617 m
Beam: 3.59 m
Draft: 2.15 m
Displacement: 4396 kg
Crew weight: 613 kg
Wetted surface: 24.5 m²

Sails

Mainsail: 36.95 m²
Genoa: 29.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 112.32 m²

Design

Type: A-35
Builder: ARCHAMBAULT
Designer: NIVELT Bernard
Year built: 2005

Performance data

Polar CSV

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

6,42.2,4.724593,52,5.3,60,5.59,75,5.81,90,6,110,6.07,120,5.92,135,5.29,143.8,4.795775,150,4.47
8,40.9,5.649243,52,6.37,60,6.64,75,6.82,90,7.08,110,7.19,120,7.07,135,6.55,147.4,5.757002,150,5.6
10,39.7,6.342608,52,7.02,60,7.19,75,7.32,90,7.46,110,7.71,120,7.64,135,7.32,148.7,6.694296,150,6.6
12,38.2,6.629706,52,7.3,60,7.47,75,7.64,90,7.67,110,8.15,120,8.17,135,7.8,150,7.24,150.7,7.201263
14,37.4,6.709343,52,7.41,60,7.63,75,7.91,90,7.99,110,8.46,120,8.75,135,8.34,150,7.6,173.6,6.64139
16,37.3,6.775839,52,7.47,60,7.7,75,8.12,90,8.34,110,8.75,120,9.18,135,8.96,150,7.95,176.6,7.162607
20,36.8,6.881209,52,7.56,60,7.78,75,8.29,90,8.91,110,9.34,120,9.91,135,10.64,150,9.05,177.1,7.920143

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.3	5.59	5.81	6	6.07	5.92	5.29	4.47
8	6.37	6.64	6.82	7.08	7.19	7.07	6.55	5.6
10	7.02	7.19	7.32	7.46	7.71	7.64	7.32	6.6
12	7.3	7.47	7.64	7.67	8.15	8.17	7.8	7.24
14	7.41	7.63	7.91	7.99	8.46	8.75	8.34	7.6
16	7.47	7.7	8.12	8.34	8.75	9.18	8.96	7.95
20	7.56	7.78	8.29	8.91	9.34	9.91	10.64	9.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.5	143.8°	3.87
8	40.9°	4.27	147.4°	4.85
10	39.7°	4.88	148.7°	5.72
12	38.2°	5.21	150.7°	6.28
14	37.4°	5.33	173.6°	6.6
16	37.3°	5.39	176.6°	7.15
20	36.8°	5.51	177.1°	7.91

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°	5.30	6.37	7.02	7.30	7.41	7.47	7.56
60°	5.59	6.64	7.19	7.47	7.63	7.70	7.78
75°	5.81	6.82	7.32	7.64	7.91	8.12	8.29
90°	6.00	7.08	7.46	7.67	7.99	8.34	8.91
110°	6.07	7.19	7.71	8.15	8.46	8.75	9.34
120°	5.92	7.07	7.64	8.17	8.75	9.18	9.91
135°	5.29	6.55	7.32	7.80	8.34	8.96	10.64
150°	4.47	5.60	6.60	7.24	7.60	7.95	9.05