TongSoo2 — ORC Rating

GPH

741.6

OSN

718

LOA

7.318 m

Displacement

1421 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5514

Medium

0.7506

High

0.8597

Triple Offshore

Low

0.7078

Medium

0.9124

High

1.023

Boat Specifications

Dimensions

Length overall: 7.318 m
Beam: 2.69 m
Draft: 1.24 m
Displacement: 1421 kg
Crew weight: 400 kg
Wetted surface: 12.36 m²

Sails

Mainsail: 15.38 m²
Genoa: 18.78 m²
Spinnaker: 34.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: J/24
Builder: Nissan
Designer: Johnstone
Year built: 1977

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.

6,43.5,4.122009,52,4.55,60,4.78,75,4.91,90,4.83,110,4.73,120,4.58,135,4.08,147.1,3.573046,150,3.46
8,41.6,4.787389,52,5.31,60,5.51,75,5.6,90,5.57,110,5.61,120,5.49,135,5.01,150,4.42,151.4,4.362271
10,40.1,5.229295,52,5.75,60,5.89,75,5.99,90,6.06,110,6.1,120,6.02,135,5.74,150,5.22,154.6,5.036889
12,38.5,5.468893,52,5.98,60,6.11,75,6.25,90,6.37,110,6.49,120,6.39,135,6.15,150,5.82,165.5,5.381411
14,38,5.58368,52,6.12,60,6.27,75,6.46,90,6.58,110,6.84,120,6.76,135,6.5,150,6.18,177.7,5.73462
16,37.9,5.626777,52,6.17,60,6.35,75,6.62,90,6.76,110,7.17,120,7.13,135,6.85,150,6.51,178.6,6.081815
20,38.9,5.65376,52,6.21,60,6.43,75,6.8,90,7.13,110,7.77,120,8.16,135,7.73,150,7.19,178.8,6.70147
24,41.5,5.661216,52,6.16,60,6.44,75,6.9,90,7.37,110,8.28,120,9.56,135,9.95,150,8.25,177.5,7.367012

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.55	4.78	4.91	4.83	4.73	4.58	4.08	3.46
8	5.31	5.51	5.6	5.57	5.61	5.49	5.01	4.42
10	5.75	5.89	5.99	6.06	6.1	6.02	5.74	5.22
12	5.98	6.11	6.25	6.37	6.49	6.39	6.15	5.82
14	6.12	6.27	6.46	6.58	6.84	6.76	6.5	6.18
16	6.17	6.35	6.62	6.76	7.17	7.13	6.85	6.51
20	6.21	6.43	6.8	7.13	7.77	8.16	7.73	7.19
24	6.16	6.44	6.9	7.37	8.28	9.56	9.95	8.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.99	147.1°	3
8	41.6°	3.58	151.4°	3.83
10	40.1°	4	154.6°	4.55
12	38.5°	4.28	165.5°	5.21
14	38°	4.4	177.7°	5.73
16	37.9°	4.44	178.6°	6.08
20	38.9°	4.4	178.8°	6.7
24	41.5°	4.24	177.5°	7.36

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