Castor — ORC Rating | RegattaPages

GPH

747

OSN

724

LOA

7.65 m

Displacement

1608 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5523

Medium

0.7464

High

0.8459

Triple Offshore

Low

0.706

Medium

0.9046

High

1.0054

Boat Specifications

Dimensions

Length overall: 7.65 m
Beam: 2.76 m
Draft: 1.53 m
Displacement: 1608 kg
Crew weight: 348 kg
Wetted surface: 12.43 m²

Sails

Mainsail: 14.53 m²
Genoa: 20.07 m²
Spinnaker: 40.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 25RT
Builder: Gdansk /PL/
Designer: Doug Peterson
Year built: 1976
Stability index: 105.5

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.

6,42,3.942704,52,4.42,60,4.65,75,4.81,90,4.75,110,4.72,120,4.58,135,4.17,148.4,3.651405,150,3.59
8,41.8,4.668158,52,5.22,60,5.43,75,5.56,90,5.55,110,5.63,120,5.53,135,5.11,150,4.5,152,4.417023
10,40.5,5.181443,52,5.65,60,5.78,75,5.89,90,5.99,110,6.07,120,6,135,5.78,150,5.32,153.3,5.182615
12,38.7,5.381646,52,5.87,60,5.99,75,6.13,90,6.27,110,6.43,120,6.37,135,6.15,150,5.85,164,5.471975
14,38.1,5.45153,52,5.98,60,6.14,75,6.34,90,6.44,110,6.77,120,6.74,135,6.5,150,6.18,177.2,5.746861
16,37.8,5.479937,52,6.03,60,6.22,75,6.52,90,6.67,110,7.06,120,7.1,135,6.87,150,6.51,179,6.070925
20,39,5.494463,52,6.04,60,6.26,75,6.68,90,7.04,110,7.39,120,7.71,135,7.64,150,7.2,178.1,6.69368

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.42	4.65	4.81	4.75	4.72	4.58	4.17	3.59
8	5.22	5.43	5.56	5.55	5.63	5.53	5.11	4.5
10	5.65	5.78	5.89	5.99	6.07	6	5.78	5.32
12	5.87	5.99	6.13	6.27	6.43	6.37	6.15	5.85
14	5.98	6.14	6.34	6.44	6.77	6.74	6.5	6.18
16	6.03	6.22	6.52	6.67	7.06	7.1	6.87	6.51
20	6.04	6.26	6.68	7.04	7.39	7.71	7.64	7.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	2.93	148.4°	3.11
8	41.8°	3.48	152°	3.9
10	40.5°	3.94	153.3°	4.63
12	38.7°	4.2	164°	5.26
14	38.1°	4.29	177.2°	5.74
16	37.8°	4.33	179°	6.07
20	39°	4.27	178.1°	6.69

Loading polar chart…