ISIDORA — ORC Rating | RegattaPages

GPH

819.8

OSN

789.5

LOA

7.45 m

Displacement

1700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4899

Medium

0.6798

High

0.7892

Triple Offshore

Low

0.6273

Medium

0.8329

High

0.9372

Boat Specifications

Dimensions

Length overall: 7.45 m
Beam: 2.51 m
Draft: 1.43 m
Displacement: 1700 kg
Crew weight: 325 kg
Wetted surface: 12.52 m²

Sails

Mainsail: 10.6 m²
Genoa: 17.91 m²
Spinnaker: 37.15 m²
Asymmetric spinnaker: 0 m²

Design

Type: BRIGAND 750
Builder: DROMOR
Designer: CAMPER & NICHOLSON
Year built: 1991
Stability index: 113.2

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.

6,43.9,3.469567,52,3.83,60,4.03,75,4.15,90,4.16,110,4.27,120,4.15,135,3.74,148.4,3.287439,150,3.24
8,42.3,4.150718,52,4.61,60,4.81,75,4.94,90,5.08,110,5.18,120,5.07,135,4.66,150,4.15,152,4.077252
10,41.1,4.618059,52,5.13,60,5.31,75,5.45,90,5.61,110,5.73,120,5.65,135,5.38,150,4.91,155,4.722457
12,40,4.93444,52,5.44,60,5.59,75,5.73,90,5.88,110,6.06,120,6.01,135,5.81,150,5.49,164,5.076661
14,39.4,5.085841,52,5.6,60,5.76,75,5.92,90,6,110,6.32,120,6.32,135,6.13,150,5.85,174.8,5.412275
16,39.3,5.156103,52,5.67,60,5.84,75,6.06,90,6.16,110,6.53,120,6.61,135,6.45,150,6.15,178.1,5.763168
20,39.6,5.178367,52,5.71,60,5.9,75,6.2,90,6.43,110,6.81,120,7.11,135,7.11,150,6.74,179,6.320963

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.83	4.03	4.15	4.16	4.27	4.15	3.74	3.24
8	4.61	4.81	4.94	5.08	5.18	5.07	4.66	4.15
10	5.13	5.31	5.45	5.61	5.73	5.65	5.38	4.91
12	5.44	5.59	5.73	5.88	6.06	6.01	5.81	5.49
14	5.6	5.76	5.92	6	6.32	6.32	6.13	5.85
16	5.67	5.84	6.06	6.16	6.53	6.61	6.45	6.15
20	5.71	5.9	6.2	6.43	6.81	7.11	7.11	6.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.5	148.4°	2.8
8	42.3°	3.07	152°	3.6
10	41.1°	3.48	155°	4.28
12	40°	3.78	164°	4.88
14	39.4°	3.93	174.8°	5.39
16	39.3°	3.99	178.1°	5.76
20	39.6°	3.99	179°	6.32

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