Ahshaena: ORC Rating

GPH

740.2

OSN

718.8

LOA

7.65 m

Displacement

1499 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5691

Medium

0.7538

High

0.846

Triple Offshore

Low

0.723

Medium

0.9081

High

1.0003

Boat Specifications

Dimensions

Length overall: 7.65 m
Beam: 2.76 m
Draft: 1.51 m
Displacement: 1499 kg
Crew weight: 326 kg
Wetted surface: 12.09 m²

Sails

Mainsail: 18.12 m²
Genoa: 17.28 m²
Spinnaker: 31.64 m²
Asymmetric spinnaker: 0 m²

Design

Type: Conrad 25R
Builder: Gdansk, Poland
Designer: Peterson
Year built: 1976
Stability index: 106

Performance data

Polar CSV

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

6,41.2,4.19981,52,4.71,60,4.9,75,4.99,90,4.89,110,4.76,120,4.58,135,4.11,147.8,3.59256,150,3.5
8,39.7,4.873931,52,5.39,60,5.53,75,5.61,90,5.58,110,5.58,120,5.45,135,5.01,150,4.44,152.9,4.336042
10,37.6,5.200118,52,5.72,60,5.84,75,5.94,90,6,110,6.04,120,5.94,135,5.66,150,5.21,157.4,4.939287
12,37,5.334098,52,5.89,60,6.02,75,6.17,90,6.27,110,6.39,120,6.3,135,6.06,150,5.75,170,5.280218
14,37,5.396705,52,5.96,60,6.12,75,6.34,90,6.45,110,6.7,120,6.64,135,6.4,150,6.11,177.2,5.696801
16,37.2,5.448634,52,6,60,6.18,75,6.45,90,6.63,110,6.97,120,6.97,135,6.74,150,6.43,179,6.04092
20,38.1,5.464238,52,6.03,60,6.23,75,6.57,90,6.9,110,7.44,120,7.69,135,7.52,150,7.08,179,6.651013

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.71	4.9	4.99	4.89	4.76	4.58	4.11	3.5
8	5.39	5.53	5.61	5.58	5.58	5.45	5.01	4.44
10	5.72	5.84	5.94	6	6.04	5.94	5.66	5.21
12	5.89	6.02	6.17	6.27	6.39	6.3	6.06	5.75
14	5.96	6.12	6.34	6.45	6.7	6.64	6.4	6.11
16	6	6.18	6.45	6.63	6.97	6.97	6.74	6.43
20	6.03	6.23	6.57	6.9	7.44	7.69	7.52	7.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.16	147.8°	3.04
8	39.7°	3.75	152.9°	3.86
10	37.6°	4.12	157.4°	4.56
12	37°	4.26	170°	5.2
14	37°	4.31	177.2°	5.69
16	37.2°	4.34	179°	6.04
20	38.1°	4.3	179°	6.65

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°	4.71	5.39	5.72	5.89	5.96	6.00	6.03
60°	4.90	5.53	5.84	6.02	6.12	6.18	6.23
75°	4.99	5.61	5.94	6.17	6.34	6.45	6.57
90°	4.89	5.58	6.00	6.27	6.45	6.63	6.90
110°	4.76	5.58	6.04	6.39	6.70	6.97	7.44
120°	4.58	5.45	5.94	6.30	6.64	6.97	7.69
135°	4.11	5.01	5.66	6.06	6.40	6.74	7.52
150°	3.50	4.44	5.21	5.75	6.11	6.43	7.08