UK Sailmakers — ORC Rating

GPH

716.4

OSN

696.2

LOA

7.65 m

Displacement

1410 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5811

Medium

0.7773

High

0.8757

Triple Offshore

Low

0.7426

Medium

0.9385

High

1.047

Boat Specifications

Dimensions

Length overall: 7.65 m
Beam: 2.76 m
Draft: 1.5 m
Displacement: 1410 kg
Crew weight: 510 kg
Wetted surface: 11.92 m²

Sails

Mainsail: 18.69 m²
Genoa: 16.77 m²
Spinnaker: 36.67 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 25R
Builder: Gdansk, Poland
Designer: Peterson
Year built: 1976

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.

6,41.2,4.173229,52,4.73,60,4.97,75,5.14,90,5.08,110,5,120,4.83,135,4.35,149,3.744893,150,3.71
8,40.9,4.934819,52,5.49,60,5.65,75,5.73,90,5.78,110,5.79,120,5.68,135,5.28,150,4.63,152,4.541606
10,38.6,5.335753,52,5.83,60,5.96,75,6.06,90,6.19,110,6.21,120,6.11,135,5.87,150,5.44,155,5.230011
12,36.6,5.493154,52,6.03,60,6.18,75,6.35,90,6.55,110,6.65,120,6.54,135,6.25,150,5.92,180,5.41
14,36,5.549945,52,6.16,60,6.37,75,6.61,90,6.79,110,7.06,120,6.96,135,6.66,150,6.28,180,5.87
16,36,5.574667,52,6.22,60,6.46,75,6.8,90,6.97,110,7.44,120,7.4,135,7.06,150,6.66,180,6.21
20,37.1,5.566812,52,6.23,60,6.51,75,6.96,90,7.39,110,7.98,120,8.39,135,8.03,150,7.43,180,6.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.73	4.97	5.14	5.08	5	4.83	4.35	3.71
8	5.49	5.65	5.73	5.78	5.79	5.68	5.28	4.63
10	5.83	5.96	6.06	6.19	6.21	6.11	5.87	5.44
12	6.03	6.18	6.35	6.55	6.65	6.54	6.25	5.92
14	6.16	6.37	6.61	6.79	7.06	6.96	6.66	6.28
16	6.22	6.46	6.8	6.97	7.44	7.4	7.06	6.66
20	6.23	6.51	6.96	7.39	7.98	8.39	8.03	7.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.14	149°	3.21
8	40.9°	3.73	152°	4.01
10	38.6°	4.17	155°	4.74
12	36.6°	4.41	180°	5.41
14	36°	4.49	180°	5.87
16	36°	4.51	180°	6.21
20	37.1°	4.44	180°	6.92

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