KATCHUPITCHU — ORC Rating

GPH

663.3

OSN

643.9

LOA

9.61 m

Displacement

3637 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6046

Medium

0.825

High

0.9433

Triple Offshore

Low

0.7846

Medium

1.0242

High

1.1471

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3637 kg
Crew weight: 450 kg
Wetted surface: 21.75 m²

Sails

Mainsail: 24.27 m²
Genoa: 26.67 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 83.82 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998

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.

6,43.1,4.273023,52,4.79,60,5.08,75,5.3,90,5.39,110,5.5,120,5.32,135,4.72,145,4.236088,150,4
8,41.2,5.023824,52,5.69,60,5.99,75,6.23,90,6.45,110,6.59,120,6.47,135,5.9,147,5.210628,150,5.04
10,40.9,5.688933,52,6.35,60,6.57,75,6.74,90,6.97,110,7.11,120,7.04,135,6.75,146.8,6.214414,150,6.01
12,39.4,6.082303,52,6.71,60,6.88,75,7.03,90,7.2,110,7.52,120,7.47,135,7.19,149.2,6.705785,150,6.65
14,38.6,6.231443,52,6.88,60,7.06,75,7.26,90,7.35,110,7.91,120,7.95,135,7.62,150,6.99,173.5,6.109271
16,38.2,6.273407,52,6.95,60,7.15,75,7.46,90,7.6,110,8.17,120,8.43,135,8.11,150,7.27,176,6.636165
20,39,6.292254,52,6.96,60,7.19,75,7.66,90,8.1,110,8.59,120,9.14,135,9.26,150,8.05,177.5,7.296945

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.79	5.08	5.3	5.39	5.5	5.32	4.72	4
8	5.69	5.99	6.23	6.45	6.59	6.47	5.9	5.04
10	6.35	6.57	6.74	6.97	7.11	7.04	6.75	6.01
12	6.71	6.88	7.03	7.2	7.52	7.47	7.19	6.65
14	6.88	7.06	7.26	7.35	7.91	7.95	7.62	6.99
16	6.95	7.15	7.46	7.6	8.17	8.43	8.11	7.27
20	6.96	7.19	7.66	8.1	8.59	9.14	9.26	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.12	145°	3.47
8	41.2°	3.78	147°	4.37
10	40.9°	4.3	146.8°	5.2
12	39.4°	4.7	149.2°	5.76
14	38.6°	4.87	173.5°	6.07
16	38.2°	4.93	176°	6.62
20	39°	4.89	177.5°	7.29

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