Gonta — ORC Rating | RegattaPages

GPH

681.4

OSN

664.7

LOA

9.94 m

Displacement

4554 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6056

Medium

0.808

High

0.912

Triple Offshore

Low

0.7786

Medium

0.9898

High

1.0918

Boat Specifications

Dimensions

Length overall: 9.94 m
Beam: 3.45 m
Draft: 1.67 m
Displacement: 4554 kg
Crew weight: 538 kg
Wetted surface: 21.97 m²

Sails

Mainsail: 27.3 m²
Genoa: 40.93 m²
Spinnaker: 83.26 m²
Asymmetric spinnaker: 68.8 m²

Design

Type: Carter 33 modif.
Builder: Grischenko/Bondar
Designer: Dick Carter
Year built: 1979

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.

6,43.1,4.341501,52,4.83,60,5.12,75,5.37,90,5.33,110,5.22,120,5.1,135,4.69,147,4.149424,150,4.01
8,42.4,5.078168,52,5.7,60,5.98,75,6.19,90,6.2,110,6.26,120,6.16,135,5.72,150,5,151,4.93929
10,42.4,5.714631,52,6.23,60,6.41,75,6.55,90,6.62,110,6.73,120,6.69,135,6.45,150,5.88,151.5,5.803255
12,41.2,5.927581,52,6.46,60,6.62,75,6.78,90,6.9,110,7.07,120,7.05,135,6.83,150,6.49,161,6.102471
14,40.5,5.996797,52,6.55,60,6.73,75,6.96,90,7.08,110,7.38,120,7.41,135,7.18,150,6.84,180,6.35
16,40.1,6.000617,52,6.59,60,6.79,75,7.1,90,7.29,110,7.66,120,7.74,135,7.56,150,7.16,180,6.73
20,40.9,5.993225,52,6.59,60,6.81,75,7.23,90,7.63,110,8.03,120,8.23,135,8.25,150,7.85,180,7.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.12	5.37	5.33	5.22	5.1	4.69	4.01
8	5.7	5.98	6.19	6.2	6.26	6.16	5.72	5
10	6.23	6.41	6.55	6.62	6.73	6.69	6.45	5.88
12	6.46	6.62	6.78	6.9	7.07	7.05	6.83	6.49
14	6.55	6.73	6.96	7.08	7.38	7.41	7.18	6.84
16	6.59	6.79	7.1	7.29	7.66	7.74	7.56	7.16
20	6.59	6.81	7.23	7.63	8.03	8.23	8.25	7.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.17	147°	3.48
8	42.4°	3.75	151°	4.32
10	42.4°	4.22	151.5°	5.1
12	41.2°	4.46	161°	5.77
14	40.5°	4.56	180°	6.35
16	40.1°	4.59	180°	6.73
20	40.9°	4.53	180°	7.35

Loading polar chart…