TAMARAN UNO: ORC Rating

GPH

754.9

OSN

725.9

LOA

9.6 m

Displacement

5395 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5832

Medium

0.828

High

1.0205

Triple Offshore

Low

0.7511

Medium

1.0187

High

1.1979

Boat Specifications

Dimensions

Length overall: 9.6 m
Beam: 3.52 m
Draft: 2 m
Displacement: 5395 kg
Crew weight: 320 kg
Wetted surface: 24.21 m²

Sails

Mainsail: 24.51 m²
Genoa: 25.68 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLAS 1000
Year built: 1982

Performance data

Polar CSV

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

6,42.8,3.92515,52,4.38,60,4.62,75,4.8,90,4.75,110,4.38,120,4.09,135,3.57,150,3.1,160.9,2.857297
8,40.9,4.604067,52,5.17,60,5.42,75,5.62,90,5.57,110,5.27,120,4.99,135,4.51,150,4.02,167.9,3.630662
10,40.2,5.13226,52,5.82,60,6.08,75,6.26,90,6.24,110,6.01,120,5.73,135,5.25,150,4.79,172.3,4.349216
12,40.6,5.676495,52,6.29,60,6.47,75,6.6,90,6.61,110,6.5,120,6.33,135,5.92,150,5.45,175.2,4.987492
14,39.1,5.979024,52,6.55,60,6.7,75,6.82,90,6.88,110,6.78,120,6.67,135,6.42,150,6.05,175.8,5.574972
16,37.8,6.163348,52,6.72,60,6.87,75,7.01,90,7.12,110,7.01,120,6.91,135,6.72,150,6.48,177.7,6.114926
20,37,6.285721,52,6.91,60,7.11,75,7.36,90,7.59,110,7.5,120,7.39,135,7.17,150,6.98,178.2,6.773342

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.38	4.62	4.8	4.75	4.38	4.09	3.57	3.1
8	5.17	5.42	5.62	5.57	5.27	4.99	4.51	4.02
10	5.82	6.08	6.26	6.24	6.01	5.73	5.25	4.79
12	6.29	6.47	6.6	6.61	6.5	6.33	5.92	5.45
14	6.55	6.7	6.82	6.88	6.78	6.67	6.42	6.05
16	6.72	6.87	7.01	7.12	7.01	6.91	6.72	6.48
20	6.91	7.11	7.36	7.59	7.5	7.39	7.17	6.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	2.88	160.9°	2.7
8	40.9°	3.48	167.9°	3.55
10	40.2°	3.92	172.3°	4.31
12	40.6°	4.31	175.2°	4.97
14	39.1°	4.64	175.8°	5.56
16	37.8°	4.87	177.7°	6.11
20	37°	5.02	178.2°	6.77

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°	4.38	5.17	5.82	6.29	6.55	6.72	6.91
60°	4.62	5.42	6.08	6.47	6.70	6.87	7.11
75°	4.80	5.62	6.26	6.60	6.82	7.01	7.36
90°	4.75	5.57	6.24	6.61	6.88	7.12	7.59
110°	4.38	5.27	6.01	6.50	6.78	7.01	7.50
120°	4.09	4.99	5.73	6.33	6.67	6.91	7.39
135°	3.57	4.51	5.25	5.92	6.42	6.72	7.17
150°	3.10	4.02	4.79	5.45	6.05	6.48	6.98