Derbigum — ORC Rating

GPH

665.3

OSN

642.8

LOA

13.1 m

Displacement

11259 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5903

Medium

0.8231

High

0.9682

Triple Offshore

Low

0.767

Medium

1.0287

High

1.166

Boat Specifications

Dimensions

Length overall: 13.1 m
Beam: 4 m
Draft: 1.88 m
Displacement: 11259 kg
Crew weight: 768 kg
Wetted surface: 37.36 m²

Sails

Mainsail: 38.48 m²
Genoa: 58.35 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.46 m²

Design

Type: Montevedeo 43
Designer: Fred Scholtz
Year built: 1993
Stability index: 127.9

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.

6,46,4.333065,52,4.74,60,5.09,75,5.31,90,5.21,110,5.24,120,5.08,135,4.6,144.2,4.142707,150,3.88
8,43.8,5.181776,52,5.73,60,6.05,75,6.28,90,6.22,110,6.41,120,6.26,135,5.75,147.8,5.0934,150,4.98
10,42.4,5.768798,52,6.42,60,6.71,75,6.94,90,6.98,110,7.19,120,7.11,135,6.68,150,5.92,151.1,5.859746
12,41.8,6.183968,52,6.85,60,7.1,75,7.31,90,7.39,110,7.62,120,7.59,135,7.32,150,6.72,154.1,6.503195
14,41.8,6.412011,52,7.06,60,7.3,75,7.54,90,7.62,110,7.92,120,7.93,135,7.72,150,7.29,162.2,6.8163
16,41.5,6.529091,52,7.17,60,7.41,75,7.69,90,7.81,110,8.16,120,8.22,135,8.04,150,7.67,173.6,7.094212
20,41.4,6.639017,52,7.27,60,7.52,75,7.86,90,8.11,110,8.52,120,8.72,135,8.65,150,8.28,179,7.791187

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5.09	5.31	5.21	5.24	5.08	4.6	3.88
8	5.73	6.05	6.28	6.22	6.41	6.26	5.75	4.98
10	6.42	6.71	6.94	6.98	7.19	7.11	6.68	5.92
12	6.85	7.1	7.31	7.39	7.62	7.59	7.32	6.72
14	7.06	7.3	7.54	7.62	7.92	7.93	7.72	7.29
16	7.17	7.41	7.69	7.81	8.16	8.22	8.04	7.67
20	7.27	7.52	7.86	8.11	8.52	8.72	8.65	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	3.01	144.2°	3.36
8	43.8°	3.74	147.8°	4.31
10	42.4°	4.26	151.1°	5.13
12	41.8°	4.61	154.1°	5.85
14	41.8°	4.78	162.2°	6.49
16	41.5°	4.89	173.6°	7.05
20	41.4°	4.98	179°	7.79

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