TUNCHE — ORC Rating | RegattaPages

GPH

609.9

OSN

593.5

LOA

9.95 m

Displacement

3863 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6791

Medium

0.8989

High

1.0054

Triple Offshore

Low

0.8746

Medium

1.1037

High

1.2219

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 1.99 m
Displacement: 3863 kg
Crew weight: 571 kg
Wetted surface: 22.83 m²

Sails

Mainsail: 35.23 m²
Genoa: 27.23 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.22 m²

Design

Type: J-99
Builder: J Composites
Designer: J Boats
Year built: 2018
Stability index: 117.1

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.

6,43,4.840339,52,5.38,60,5.66,75,6,90,6.21,110,6,120,5.84,135,5.24,143.9,4.752535,150,4.44
8,40.8,5.693564,52,6.32,60,6.54,75,6.85,90,7.02,110,6.98,120,6.9,135,6.45,147.8,5.719734,150,5.59
10,38.8,6.197568,52,6.84,60,7,75,7.22,90,7.45,110,7.5,120,7.46,135,7.18,149.2,6.577723,150,6.52
12,37.6,6.424418,52,7.09,60,7.26,75,7.42,90,7.76,110,7.89,120,7.94,135,7.69,150,7.12,150.5,7.089056
14,37.2,6.528317,52,7.21,60,7.4,75,7.65,90,7.96,110,8.26,120,8.39,135,8.19,150,7.48,169.4,6.592499
16,37,6.573712,52,7.28,60,7.49,75,7.82,90,8.12,110,8.65,120,8.84,135,8.73,150,7.83,174.8,7.008846
20,37.6,6.651608,52,7.34,60,7.58,75,8,90,8.43,110,9.43,120,9.76,135,10.54,150,8.6,175.7,7.741792

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.66	6	6.21	6	5.84	5.24	4.44
8	6.32	6.54	6.85	7.02	6.98	6.9	6.45	5.59
10	6.84	7	7.22	7.45	7.5	7.46	7.18	6.52
12	7.09	7.26	7.42	7.76	7.89	7.94	7.69	7.12
14	7.21	7.4	7.65	7.96	8.26	8.39	8.19	7.48
16	7.28	7.49	7.82	8.12	8.65	8.84	8.73	7.83
20	7.34	7.58	8	8.43	9.43	9.76	10.54	8.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.54	143.9°	3.84
8	40.8°	4.31	147.8°	4.84
10	38.8°	4.83	149.2°	5.65
12	37.6°	5.09	150.5°	6.17
14	37.2°	5.2	169.4°	6.48
16	37°	5.25	174.8°	6.98
20	37.6°	5.27	175.7°	7.72

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