KORZEO: ORC Rating

GPH

641.8

OSN

624.2

LOA

8.7 m

Displacement

3014 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6452

Medium

0.8623

High

0.9772

Triple Offshore

Low

0.8272

Medium

1.0489

High

1.1753

Boat Specifications

Dimensions

Length overall: 8.7 m
Beam: 3.44 m
Draft: 1.88 m
Displacement: 3014 kg
Crew weight: 554 kg
Wetted surface: 20.19 m²

Sails

Mainsail: 29.26 m²
Genoa: 27.29 m²
Spinnaker: 74.38 m²
Asymmetric spinnaker: 0 m²

Design

Type: BONGO 870
Builder: 3C COMPOSITE
Designer: ROLLAND Pierre
Year built: 2006

Performance data

Polar CSV

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

6,42.4,4.590664,52,5.17,60,5.46,75,5.67,90,5.6,110,5.6,120,5.45,135,4.95,145.5,4.428933,150,4.21
8,40.9,5.384642,52,6.07,60,6.3,75,6.46,90,6.48,110,6.59,120,6.49,135,6.07,149.5,5.2923,150,5.27
10,39.4,5.939952,52,6.54,60,6.69,75,6.81,90,6.92,110,7.06,120,7,135,6.72,150,6.17,153,6.026892
12,38.2,6.146157,52,6.76,60,6.92,75,7.09,90,7.15,110,7.53,120,7.49,135,7.15,150,6.74,162,6.319288
14,37.5,6.201524,52,6.86,60,7.07,75,7.37,90,7.48,110,7.97,120,8.02,135,7.65,150,7.14,180,6.59
16,37.5,6.239338,52,6.9,60,7.14,75,7.58,90,7.82,110,8.24,120,8.57,135,8.2,150,7.6,180,6.99
20,37.9,6.323787,52,6.94,60,7.17,75,7.74,90,8.35,110,8.8,120,9.37,135,9.67,150,8.67,180,7.84

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.17	5.46	5.67	5.6	5.6	5.45	4.95	4.21
8	6.07	6.3	6.46	6.48	6.59	6.49	6.07	5.27
10	6.54	6.69	6.81	6.92	7.06	7	6.72	6.17
12	6.76	6.92	7.09	7.15	7.53	7.49	7.15	6.74
14	6.86	7.07	7.37	7.48	7.97	8.02	7.65	7.14
16	6.9	7.14	7.58	7.82	8.24	8.57	8.2	7.6
20	6.94	7.17	7.74	8.35	8.8	9.37	9.67	8.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.39	145.5°	3.65
8	40.9°	4.07	149.5°	4.56
10	39.4°	4.59	153°	5.37
12	38.2°	4.83	162°	6.01
14	37.5°	4.92	180°	6.59
16	37.5°	4.95	180°	6.99
20	37.9°	4.99	180°	7.84

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°	5.17	6.07	6.54	6.76	6.86	6.90	6.94
60°	5.46	6.30	6.69	6.92	7.07	7.14	7.17
75°	5.67	6.46	6.81	7.09	7.37	7.58	7.74
90°	5.60	6.48	6.92	7.15	7.48	7.82	8.35
110°	5.60	6.59	7.06	7.53	7.97	8.24	8.80
120°	5.45	6.49	7.00	7.49	8.02	8.57	9.37
135°	4.95	6.07	6.72	7.15	7.65	8.20	9.67
150°	4.21	5.27	6.17	6.74	7.14	7.60	8.67