Pebbles: ORC Rating

GPH

644.5

OSN

627.3

LOA

8.013 m

Displacement

1471 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.716

Medium

0.9576

High

1.0935

Triple Offshore

Low

0.9234

Medium

1.1744

High

1.3345

Boat Specifications

Dimensions

Length overall: 8.013 m
Beam: 2.49 m
Draft: 1.67 m
Displacement: 1471 kg
Crew weight: 405 kg
Wetted surface: 15.11 m²

Sails

Mainsail: 24.09 m²
Genoa: 14.83 m²
Spinnaker: 43.04 m²
Asymmetric spinnaker: 69.84 m²

Design

Type: 8M one design
Builder: --
Designer: --
Year built: 1995

Performance data

Polar CSV

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

6,42.6,4.455934,52,5.01,60,5.3,75,5.52,90,5.73,110,5.83,120,5.66,135,4.99,144.5,4.495676,150,4.22
8,40.7,5.236539,52,5.9,60,6.12,75,6.28,90,6.52,110,6.64,120,6.55,135,6.15,148.5,5.383279,150,5.3
10,38.7,5.766049,52,6.36,60,6.52,75,6.66,90,6.83,110,7.24,120,7.18,135,6.79,150,6.19,154.1,5.991833
12,37.2,5.900594,52,6.56,60,6.77,75,7.05,90,7.13,110,7.68,120,7.9,135,7.44,150,6.8,163.3,6.30597
14,36.8,5.957054,52,6.64,60,6.89,75,7.36,90,7.58,110,8.12,120,8.49,135,8.22,150,7.38,180,6.58
16,37.4,6.029597,52,6.67,60,6.95,75,7.51,90,8.01,110,8.49,120,8.9,135,9.15,150,8.06,180,7.06
20,38.1,6.125029,52,6.79,60,7.13,75,7.64,90,8.44,110,9.17,120,9.95,135,11.41,140,11.278719,150,9.98

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.3	5.52	5.73	5.83	5.66	4.99	4.22
8	5.9	6.12	6.28	6.52	6.64	6.55	6.15	5.3
10	6.36	6.52	6.66	6.83	7.24	7.18	6.79	6.19
12	6.56	6.77	7.05	7.13	7.68	7.9	7.44	6.8
14	6.64	6.89	7.36	7.58	8.12	8.49	8.22	7.38
16	6.67	6.95	7.51	8.01	8.49	8.9	9.15	8.06
20	6.79	7.13	7.64	8.44	9.17	9.95	11.41	9.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.28	144.5°	3.66
8	40.7°	3.97	148.5°	4.59
10	38.7°	4.5	154.1°	5.39
12	37.2°	4.7	163.3°	6.04
14	36.8°	4.77	180°	6.58
16	37.4°	4.79	180°	7.06
20	38.1°	4.82	140°	8.64

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°	5.01	5.90	6.36	6.56	6.64	6.67	6.79
60°	5.30	6.12	6.52	6.77	6.89	6.95	7.13
75°	5.52	6.28	6.66	7.05	7.36	7.51	7.64
90°	5.73	6.52	6.83	7.13	7.58	8.01	8.44
110°	5.83	6.64	7.24	7.68	8.12	8.49	9.17
120°	5.66	6.55	7.18	7.90	8.49	8.90	9.95
135°	4.99	6.15	6.79	7.44	8.22	9.15	11.41
150°	4.22	5.30	6.19	6.80	7.38	8.06	9.98