TongSoo 2 — ORC Rating

GPH

739.7

OSN

716.3

LOA

7.318 m

Displacement

1421 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5527

Medium

0.7519

High

0.8603

Triple Offshore

Low

0.7098

Medium

0.9144

High

1.0258

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: 12.35 m²

Sails

Mainsail: 15.38 m²
Genoa: 18.78 m²
Spinnaker: 34.41 m²
Asymmetric spinnaker: 0 m²

Design

Type: J/24
Builder: Nissan
Designer: Johnstone
Year built: 1977
Stability index: 86.7

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.

6,43.5,4.122009,52,4.56,60,4.8,75,4.93,90,4.85,110,4.74,120,4.59,135,4.09,147.5,3.568924,150,3.47
8,41.8,4.802301,52,5.33,60,5.53,75,5.62,90,5.58,110,5.63,120,5.51,135,5.03,150,4.43,152,4.349069
10,40.2,5.237,52,5.76,60,5.9,75,6,90,6.07,110,6.12,120,6.03,135,5.76,150,5.24,155,5.031403
12,38.5,5.468893,52,5.99,60,6.12,75,6.26,90,6.39,110,6.51,120,6.41,135,6.17,150,5.84,165.8,5.394837
14,38.2,5.586259,52,6.12,60,6.28,75,6.48,90,6.61,110,6.87,120,6.79,135,6.53,150,6.2,177.2,5.756873
16,38.1,5.629436,52,6.18,60,6.37,75,6.66,90,6.8,110,7.21,120,7.18,135,6.89,150,6.54,179,6.110931
20,39,5.648874,52,6.21,60,6.44,75,6.83,90,7.18,110,7.82,120,8.22,135,7.82,150,7.25,179,6.741027

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.8	4.93	4.85	4.74	4.59	4.09	3.47
8	5.33	5.53	5.62	5.58	5.63	5.51	5.03	4.43
10	5.76	5.9	6	6.07	6.12	6.03	5.76	5.24
12	5.99	6.12	6.26	6.39	6.51	6.41	6.17	5.84
14	6.12	6.28	6.48	6.61	6.87	6.79	6.53	6.2
16	6.18	6.37	6.66	6.8	7.21	7.18	6.89	6.54
20	6.21	6.44	6.83	7.18	7.82	8.22	7.82	7.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.99	147.5°	3.01
8	41.8°	3.58	152°	3.84
10	40.2°	4	155°	4.56
12	38.5°	4.28	165.8°	5.23
14	38.2°	4.39	177.2°	5.75
16	38.1°	4.43	179°	6.11
20	39°	4.39	179°	6.74

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