HIGH RISK: ORC Rating

GPH

584.9

OSN

568.9

LOA

13.042 m

Displacement

7130 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7184

Medium

0.9461

High

1.0763

Triple Offshore

Low

0.9162

Medium

1.1484

High

1.2673

Boat Specifications

Dimensions

Length overall: 13.042 m
Beam: 4.11 m
Draft: 2.44 m
Displacement: 7130 kg
Crew weight: 700 kg
Wetted surface: 30.78 m²

Sails

Mainsail: 43.71 m²
Genoa: 64.04 m²
Spinnaker: 128.51 m²
Asymmetric spinnaker: 0 m²

Design

Type: IOR 43
Builder: GERAGHTY
Designer: BOB SMITH
Year built: 1985
Stability index: 113.6

Performance data

Polar CSV

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

6,41.8,5.419356,52,6.04,60,6.3,75,6.44,90,6.29,110,5.88,120,5.73,135,5.18,144.2,4.685205,150,4.38
8,39.4,6.211714,52,6.92,60,7.1,75,7.2,90,7.11,110,7.01,120,6.88,135,6.37,148.7,5.617591,150,5.54
10,37.8,6.606299,52,7.33,60,7.49,75,7.6,90,7.58,110,7.62,120,7.55,135,7.2,150,6.52,152.3,6.392637
12,37,6.786575,52,7.52,60,7.7,75,7.86,90,7.89,110,8,120,7.99,135,7.72,150,7.23,157.7,6.884926
14,36.6,6.900697,52,7.63,60,7.81,75,8.04,90,8.13,110,8.3,120,8.36,135,8.13,150,7.71,168.2,7.120474
16,36.3,6.960917,52,7.69,60,7.88,75,8.15,90,8.33,110,8.52,120,8.69,135,8.53,150,8.1,177.2,7.488941
20,36.3,7.035365,52,7.77,60,7.97,75,8.3,90,8.62,110,8.87,120,9.26,135,9.4,150,8.87,179,8.231254

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.04	6.3	6.44	6.29	5.88	5.73	5.18	4.38
8	6.92	7.1	7.2	7.11	7.01	6.88	6.37	5.54
10	7.33	7.49	7.6	7.58	7.62	7.55	7.2	6.52
12	7.52	7.7	7.86	7.89	8	7.99	7.72	7.23
14	7.63	7.81	8.04	8.13	8.3	8.36	8.13	7.71
16	7.69	7.88	8.15	8.33	8.52	8.69	8.53	8.1
20	7.77	7.97	8.3	8.62	8.87	9.26	9.4	8.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.04	144.2°	3.8
8	39.4°	4.8	148.7°	4.8
10	37.8°	5.22	152.3°	5.66
12	37°	5.42	157.7°	6.37
14	36.6°	5.54	168.2°	6.97
16	36.3°	5.61	177.2°	7.48
20	36.3°	5.67	179°	8.23

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°	6.04	6.92	7.33	7.52	7.63	7.69	7.77
60°	6.30	7.10	7.49	7.70	7.81	7.88	7.97
75°	6.44	7.20	7.60	7.86	8.04	8.15	8.30
90°	6.29	7.11	7.58	7.89	8.13	8.33	8.62
110°	5.88	7.01	7.62	8.00	8.30	8.52	8.87
120°	5.73	6.88	7.55	7.99	8.36	8.69	9.26
135°	5.18	6.37	7.20	7.72	8.13	8.53	9.40
150°	4.38	5.54	6.52	7.23	7.71	8.10	8.87