HARRY: ORC Rating

GPH

751.4

OSN

725.9

LOA

8.59 m

Displacement

3657 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5388

Medium

0.7383

High

0.8684

Triple Offshore

Low

0.6902

Medium

0.904

High

1.0223

Boat Specifications

Dimensions

Length overall: 8.59 m
Beam: 2.89 m
Draft: 1.79 m
Displacement: 3657 kg
Crew weight: 300 kg
Wetted surface: 18.3 m²

Sails

Mainsail: 18.1 m²
Genoa: 20.68 m²
Spinnaker: 56.21 m²
Asymmetric spinnaker: 0 m²

Design

Type: Polo 86
Builder: GILHEMMER AS MARIN
Designer: T.Skjonsberg
Year built: 1979
Stability index: 142.9

Performance data

Polar CSV

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

6,43.2,3.758735,52,4.17,60,4.39,75,4.54,90,4.65,110,4.74,120,4.61,135,4.21,147.8,3.722554,150,3.64
8,40.8,4.372552,52,4.92,60,5.17,75,5.37,90,5.61,110,5.73,120,5.61,135,5.15,150,4.56,152.3,4.472587
10,40.8,4.927377,52,5.55,60,5.76,75,5.9,90,6.14,110,6.22,120,6.17,135,5.91,150,5.38,152.9,5.245937
12,40.6,5.386744,52,5.9,60,6.05,75,6.17,90,6.4,110,6.53,120,6.48,135,6.29,150,5.99,160.4,5.657829
14,39,5.571669,52,6.09,60,6.23,75,6.36,90,6.53,110,6.82,120,6.78,135,6.59,150,6.32,174.8,5.884217
16,38.4,5.691001,52,6.22,60,6.36,75,6.53,90,6.63,110,7.08,120,7.09,135,6.9,150,6.6,179,6.220947
20,38.5,5.737226,52,6.3,60,6.5,75,6.8,90,6.96,110,7.34,120,7.58,135,7.51,150,7.19,179,6.751028

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.17	4.39	4.54	4.65	4.74	4.61	4.21	3.64
8	4.92	5.17	5.37	5.61	5.73	5.61	5.15	4.56
10	5.55	5.76	5.9	6.14	6.22	6.17	5.91	5.38
12	5.9	6.05	6.17	6.4	6.53	6.48	6.29	5.99
14	6.09	6.23	6.36	6.53	6.82	6.78	6.59	6.32
16	6.22	6.36	6.53	6.63	7.08	7.09	6.9	6.6
20	6.3	6.5	6.8	6.96	7.34	7.58	7.51	7.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.74	147.8°	3.15
8	40.8°	3.31	152.3°	3.96
10	40.8°	3.73	152.9°	4.67
12	40.6°	4.09	160.4°	5.33
14	39°	4.33	174.8°	5.86
16	38.4°	4.46	179°	6.22
20	38.5°	4.49	179°	6.75

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°	4.17	4.92	5.55	5.90	6.09	6.22	6.30
60°	4.39	5.17	5.76	6.05	6.23	6.36	6.50
75°	4.54	5.37	5.90	6.17	6.36	6.53	6.80
90°	4.65	5.61	6.14	6.40	6.53	6.63	6.96
110°	4.74	5.73	6.22	6.53	6.82	7.08	7.34
120°	4.61	5.61	6.17	6.48	6.78	7.09	7.58
135°	4.21	5.15	5.91	6.29	6.59	6.90	7.51
150°	3.64	4.56	5.38	5.99	6.32	6.60	7.19