ANSS Tartan2 — ORC Rating

GPH

713.3

OSN

688.4

LOA

7.925 m

Displacement

1307 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5568

Medium

0.765

High

0.89

Triple Offshore

Low

0.7188

Medium

0.9551

High

1.1013

Boat Specifications

Dimensions

Length overall: 7.925 m
Beam: 2.57 m
Draft: 1.32 m
Displacement: 1307 kg
Crew weight: 399 kg
Wetted surface: 13.41 m²

Sails

Mainsail: 15.79 m²
Genoa: 12.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 45.75 m²

Design

Type: Tartan 245
Builder: Tartan Yachts
Designer: Jackett
Year built: 2021

Velocity Prediction

Polar CSV

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

6,44.1,3.871185,52,4.27,60,4.52,75,4.67,90,4.95,110,5.06,120,4.89,135,4.42,145.3,3.965242,150,3.77
8,42.5,4.665815,52,5.16,60,5.4,75,5.56,90,5.97,110,6.07,120,5.96,135,5.51,147.1,4.954623,150,4.8
10,41.4,5.239224,52,5.79,60,5.99,75,6.19,90,6.56,110,6.68,120,6.58,135,6.28,147.6,5.779745,150,5.64
12,40.2,5.629775,52,6.19,60,6.36,75,6.52,90,6.94,110,7.22,120,7.13,135,6.79,148.7,6.28468,150,6.2
14,39.2,5.897197,52,6.47,60,6.65,75,6.86,90,7.14,110,7.74,120,7.7,135,7.3,148.3,6.675982,150,6.56
16,39,5.9963,52,6.62,60,6.86,75,7.16,90,7.31,110,8.19,120,8.39,135,7.88,150,6.91,174.6,6.257772
20,40,6.044036,52,6.68,60,6.98,75,7.52,90,7.96,110,8.86,120,9.79,135,9.47,150,7.69,175.2,6.964425
24,42.7,6.014304,52,6.58,60,6.94,75,7.61,90,8.45,110,9.54,120,11.1,135,13.19,138.6,12.771442,150,11.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.27	4.52	4.67	4.95	5.06	4.89	4.42	3.77
8	5.16	5.4	5.56	5.97	6.07	5.96	5.51	4.8
10	5.79	5.99	6.19	6.56	6.68	6.58	6.28	5.64
12	6.19	6.36	6.52	6.94	7.22	7.13	6.79	6.2
14	6.47	6.65	6.86	7.14	7.74	7.7	7.3	6.56
16	6.62	6.86	7.16	7.31	8.19	8.39	7.88	6.91
20	6.68	6.98	7.52	7.96	8.86	9.79	9.47	7.69
24	6.58	6.94	7.61	8.45	9.54	11.1	13.19	11.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	2.78	145.3°	3.26
8	42.5°	3.44	147.1°	4.16
10	41.4°	3.93	147.6°	4.88
12	40.2°	4.3	148.7°	5.37
14	39.2°	4.57	148.3°	5.68
16	39°	4.66	174.6°	6.23
20	40°	4.63	175.2°	6.94
24	42.7°	4.42	138.6°	9.58

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