Smoke: ORC Rating

GPH

718.4

OSN

699

LOA

7.65 m

Displacement

1429 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5833

Medium

0.7754

High

0.8692

Triple Offshore

Low

0.7441

Medium

0.9347

High

1.037

Boat Specifications

Dimensions

Length overall: 7.65 m
Beam: 2.76 m
Draft: 1.5 m
Displacement: 1429 kg
Crew weight: 450 kg
Wetted surface: 11.94 m²

Sails

Mainsail: 19.14 m²
Genoa: 17.53 m²
Spinnaker: 32.46 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 25R
Builder: Conrad Gdansk
Designer: Doug Peterson
Year built: 1978

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,40.9,4.193935,52,4.77,60,5.02,75,5.19,90,5.13,110,4.95,120,4.77,135,4.3,149,3.733227,150,3.69
8,40.9,4.987739,52,5.52,60,5.67,75,5.76,90,5.76,110,5.75,120,5.64,135,5.24,150,4.61,152.5,4.509528
10,38.2,5.344485,52,5.83,60,5.96,75,6.07,90,6.16,110,6.17,120,6.08,135,5.82,150,5.4,156,5.166683
12,36.8,5.482488,52,6.02,60,6.17,75,6.34,90,6.51,110,6.6,120,6.47,135,6.19,150,5.88,180,5.38
14,36.4,5.52868,52,6.11,60,6.32,75,6.58,90,6.76,110,6.99,120,6.87,135,6.58,150,6.22,180,5.84
16,36.4,5.541104,52,6.16,60,6.39,75,6.75,90,6.96,110,7.36,120,7.28,135,6.96,150,6.59,180,6.18
20,37.5,5.558683,52,6.15,60,6.43,75,6.87,90,7.31,110,7.88,120,8.19,135,7.85,150,7.33,180,6.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.02	5.19	5.13	4.95	4.77	4.3	3.69
8	5.52	5.67	5.76	5.76	5.75	5.64	5.24	4.61
10	5.83	5.96	6.07	6.16	6.17	6.08	5.82	5.4
12	6.02	6.17	6.34	6.51	6.6	6.47	6.19	5.88
14	6.11	6.32	6.58	6.76	6.99	6.87	6.58	6.22
16	6.16	6.39	6.75	6.96	7.36	7.28	6.96	6.59
20	6.15	6.43	6.87	7.31	7.88	8.19	7.85	7.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.9°	3.17	149°	3.2
8	40.9°	3.77	152.5°	4
10	38.2°	4.2	156°	4.72
12	36.8°	4.39	180°	5.38
14	36.4°	4.45	180°	5.84
16	36.4°	4.46	180°	6.18
20	37.5°	4.41	180°	6.87

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.77	5.52	5.83	6.02	6.11	6.16	6.15
60°	5.02	5.67	5.96	6.17	6.32	6.39	6.43
75°	5.19	5.76	6.07	6.34	6.58	6.75	6.87
90°	5.13	5.76	6.16	6.51	6.76	6.96	7.31
110°	4.95	5.75	6.17	6.60	6.99	7.36	7.88
120°	4.77	5.64	6.08	6.47	6.87	7.28	8.19
135°	4.30	5.24	5.82	6.19	6.58	6.96	7.85
150°	3.69	4.61	5.40	5.88	6.22	6.59	7.33