La Bella II — ORC Rating

GPH

756.2

OSN

732.3

LOA

7.65 m

Displacement

1984 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5399

Medium

0.7372

High

0.8501

Triple Offshore

Low

0.6932

Medium

0.8953

High

1.0028

Boat Specifications

Dimensions

Length overall: 7.65 m
Beam: 2.76 m
Draft: 1.57 m
Displacement: 1984 kg
Crew weight: 384 kg
Wetted surface: 13.35 m²

Sails

Mainsail: 18.49 m²
Genoa: 15.67 m²
Spinnaker: 35.34 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 25RT
Builder: Gdansk, Poland
Designer: Peterson
Year built: 1976
Stability index: 102.5

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.

6,41.8,3.863303,52,4.35,60,4.57,75,4.72,90,4.71,110,4.7,120,4.53,135,4.05,148.7,3.522698,150,3.48
8,41.2,4.545364,52,5.14,60,5.36,75,5.49,90,5.6,110,5.6,120,5.46,135,4.95,150,4.37,153.8,4.235123
10,40.8,5.099109,52,5.6,60,5.74,75,5.86,90,6.01,110,6.02,120,5.94,135,5.69,150,5.19,153.8,5.026423
12,38.4,5.333718,52,5.84,60,5.96,75,6.08,90,6.29,110,6.34,120,6.26,135,6.05,150,5.77,164.6,5.383285
14,37.6,5.465173,52,5.98,60,6.12,75,6.28,90,6.52,110,6.67,120,6.59,135,6.35,150,6.09,178.4,5.692219
16,37.2,5.511406,52,6.05,60,6.23,75,6.46,90,6.65,110,6.98,120,6.92,135,6.68,150,6.37,179,6.020917
20,37.8,5.543216,52,6.09,60,6.31,75,6.69,90,6.97,110,7.39,120,7.52,135,7.33,150,6.99,179,6.581002

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.35	4.57	4.72	4.71	4.7	4.53	4.05	3.48
8	5.14	5.36	5.49	5.6	5.6	5.46	4.95	4.37
10	5.6	5.74	5.86	6.01	6.02	5.94	5.69	5.19
12	5.84	5.96	6.08	6.29	6.34	6.26	6.05	5.77
14	5.98	6.12	6.28	6.52	6.67	6.59	6.35	6.09
16	6.05	6.23	6.46	6.65	6.98	6.92	6.68	6.37
20	6.09	6.31	6.69	6.97	7.39	7.52	7.33	6.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	2.88	148.7°	3.01
8	41.2°	3.42	153.8°	3.8
10	40.8°	3.86	153.8°	4.51
12	38.4°	4.18	164.6°	5.19
14	37.6°	4.33	178.4°	5.69
16	37.2°	4.39	179°	6.02
20	37.8°	4.38	179°	6.58

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