FERENGI — ORC Rating | RegattaPages

GPH

703.1

OSN

682.3

LOA

10.491 m

Displacement

5080 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5907

Medium

0.7823

High

0.8932

Triple Offshore

Low

0.7508

Medium

0.961

High

1.0648

Boat Specifications

Dimensions

Length overall: 10.491 m
Beam: 3.08 m
Draft: 2.54 m
Displacement: 5080 kg
Crew weight: 466 kg
Wetted surface: 22.31 m²

Sails

Mainsail: 24.07 m²
Genoa: 31.94 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 71.1 m²

Design

Type: TARTAN 34C
Builder: Tartan Yachts
Designer: OLIN STEPHENS
Year built: 1967
Stability index: 121.5

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.

6,41.2,4.226392,52,4.72,60,4.91,75,5.02,90,4.95,110,5.02,120,4.84,135,4.4,146,3.944333,150,3.77
8,39.4,4.904666,52,5.5,60,5.69,75,5.82,90,5.88,110,5.98,120,5.85,135,5.41,147.1,4.883162,150,4.73
10,38.4,5.410279,52,6.03,60,6.18,75,6.29,90,6.43,110,6.54,120,6.46,135,6.17,146.9,5.694035,150,5.51
12,37.5,5.70994,52,6.32,60,6.46,75,6.58,90,6.71,110,6.88,120,6.84,135,6.62,147.8,6.19244,150,6.05
14,37,5.847474,52,6.47,60,6.62,75,6.78,90,6.83,110,7.14,120,7.15,135,6.96,150,6.41,170,5.686389
16,36.6,5.904206,52,6.53,60,6.69,75,6.91,90,7.01,110,7.33,120,7.42,135,7.27,150,6.69,173.9,6.124678
20,36.6,5.954031,52,6.59,60,6.75,75,7.02,90,7.26,110,7.58,120,7.85,135,7.81,150,7.16,177.2,6.728032

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.91	5.02	4.95	5.02	4.84	4.4	3.77
8	5.5	5.69	5.82	5.88	5.98	5.85	5.41	4.73
10	6.03	6.18	6.29	6.43	6.54	6.46	6.17	5.51
12	6.32	6.46	6.58	6.71	6.88	6.84	6.62	6.05
14	6.47	6.62	6.78	6.83	7.14	7.15	6.96	6.41
16	6.53	6.69	6.91	7.01	7.33	7.42	7.27	6.69
20	6.59	6.75	7.02	7.26	7.58	7.85	7.81	7.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.18	146°	3.27
8	39.4°	3.79	147.1°	4.1
10	38.4°	4.24	146.9°	4.77
12	37.5°	4.53	147.8°	5.24
14	37°	4.67	170°	5.6
16	36.6°	4.74	173.9°	6.09
20	36.6°	4.78	177.2°	6.72

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