TIGRA: ORC Rating

GPH

725.3

OSN

700.1

LOA

7 m

Displacement

1321 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5606

Medium

0.7646

High

0.8792

Triple Offshore

Low

0.7192

Medium

0.9342

High

1.0615

Boat Specifications

Dimensions

Length overall: 7 m
Beam: 2.48 m
Draft: 1.55 m
Displacement: 1321 kg
Crew weight: 380 kg
Wetted surface: 12.75 m²

Sails

Mainsail: 18.82 m²
Genoa: 11.01 m²
Spinnaker: 40.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: Mantra 7000
Builder: A - Yachts
Designer: A.Arminskij
Year built: 1999
Stability index: 107.9

Performance data

Polar CSV

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

6,42.9,3.917859,52,4.34,60,4.55,75,4.66,90,4.97,110,5,120,4.83,135,4.36,146,3.87196,150,3.71
8,41.2,4.67827,52,5.21,60,5.4,75,5.51,90,5.81,110,5.92,120,5.79,135,5.37,150,4.71,150.5,4.687739
10,39.4,5.137605,52,5.71,60,5.87,75,6,90,6.21,110,6.43,120,6.35,135,6.03,150,5.54,154.2,5.353659
12,37.8,5.378691,52,5.98,60,6.14,75,6.31,90,6.43,110,6.88,120,6.89,135,6.53,150,6.1,162.8,5.694675
14,37.5,5.49566,52,6.12,60,6.32,75,6.59,90,6.7,110,7.25,120,7.4,135,7.08,150,6.56,176.3,5.98247
16,37.2,5.536515,52,6.19,60,6.42,75,6.81,90,7.03,110,7.52,120,7.89,135,7.69,150,7.06,177.2,6.40765
20,38.2,5.611709,52,6.25,60,6.53,75,7.05,90,7.55,110,7.97,120,8.67,135,9.29,150,8.27,174.8,7.350251

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.34	4.55	4.66	4.97	5	4.83	4.36	3.71
8	5.21	5.4	5.51	5.81	5.92	5.79	5.37	4.71
10	5.71	5.87	6	6.21	6.43	6.35	6.03	5.54
12	5.98	6.14	6.31	6.43	6.88	6.89	6.53	6.1
14	6.12	6.32	6.59	6.7	7.25	7.4	7.08	6.56
16	6.19	6.42	6.81	7.03	7.52	7.89	7.69	7.06
20	6.25	6.53	7.05	7.55	7.97	8.67	9.29	8.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	2.87	146°	3.21
8	41.2°	3.52	150.5°	4.08
10	39.4°	3.97	154.2°	4.82
12	37.8°	4.25	162.8°	5.44
14	37.5°	4.36	176.3°	5.97
16	37.2°	4.41	177.2°	6.4
20	38.2°	4.41	174.8°	7.32

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°	4.34	5.21	5.71	5.98	6.12	6.19	6.25
60°	4.55	5.40	5.87	6.14	6.32	6.42	6.53
75°	4.66	5.51	6.00	6.31	6.59	6.81	7.05
90°	4.97	5.81	6.21	6.43	6.70	7.03	7.55
110°	5.00	5.92	6.43	6.88	7.25	7.52	7.97
120°	4.83	5.79	6.35	6.89	7.40	7.89	8.67
135°	4.36	5.37	6.03	6.53	7.08	7.69	9.29
150°	3.71	4.71	5.54	6.10	6.56	7.06	8.27