Joe Cool: ORC Rating

GPH

760.2

OSN

733.2

LOA

10.089 m

Displacement

5627 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5801

Medium

0.8194

High

0.9801

Triple Offshore

Low

0.7499

Medium

1.0127

High

1.1649

Boat Specifications

Dimensions

Length overall: 10.089 m
Beam: 3.06 m
Draft: 1.87 m
Displacement: 5627 kg
Crew weight: 600 kg
Wetted surface: 23.13 m²

Sails

Mainsail: 26.78 m²
Genoa: 33.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: S&S 34
Builder: J. Rodgers
Designer: Sparkman&Stephens
Year built: 1968

Performance data

Polar CSV

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

6,42.7,3.93243,52,4.41,60,4.66,75,4.83,90,4.77,110,4.37,120,4.1,135,3.58,150,3.05,168.5,2.724699
8,40.9,4.590837,52,5.21,60,5.49,75,5.72,90,5.66,110,5.27,120,4.98,135,4.49,150,3.95,169.4,3.570937
10,41.6,5.242057,52,5.88,60,6.11,75,6.28,90,6.29,110,6.06,120,5.78,135,5.23,150,4.69,170.9,4.314301
12,41.1,5.692952,52,6.26,60,6.43,75,6.57,90,6.61,110,6.5,120,6.34,135,5.93,150,5.36,171.9,4.959477
14,40.5,5.865288,52,6.44,60,6.61,75,6.77,90,6.83,110,6.77,120,6.66,135,6.39,150,5.98,171.8,5.587121
16,40,5.939603,52,6.53,60,6.72,75,6.94,90,7.05,110,7.01,120,6.91,135,6.67,150,6.41,173.9,6.114621
20,40.2,6.02255,52,6.59,60,6.79,75,7.12,90,7.38,110,7.49,120,7.41,135,7.14,150,6.9,176.9,6.719833

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.41	4.66	4.83	4.77	4.37	4.1	3.58	3.05
8	5.21	5.49	5.72	5.66	5.27	4.98	4.49	3.95
10	5.88	6.11	6.28	6.29	6.06	5.78	5.23	4.69
12	6.26	6.43	6.57	6.61	6.5	6.34	5.93	5.36
14	6.44	6.61	6.77	6.83	6.77	6.66	6.39	5.98
16	6.53	6.72	6.94	7.05	7.01	6.91	6.67	6.41
20	6.59	6.79	7.12	7.38	7.49	7.41	7.14	6.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	2.89	168.5°	2.67
8	40.9°	3.47	169.4°	3.51
10	41.6°	3.92	170.9°	4.26
12	41.1°	4.29	171.9°	4.91
14	40.5°	4.46	171.8°	5.53
16	40°	4.55	173.9°	6.08
20	40.2°	4.6	176.9°	6.71

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°	4.41	5.21	5.88	6.26	6.44	6.53	6.59
60°	4.66	5.49	6.11	6.43	6.61	6.72	6.79
75°	4.83	5.72	6.28	6.57	6.77	6.94	7.12
90°	4.77	5.66	6.29	6.61	6.83	7.05	7.38
110°	4.37	5.27	6.06	6.50	6.77	7.01	7.49
120°	4.10	4.98	5.78	6.34	6.66	6.91	7.41
135°	3.58	4.49	5.23	5.93	6.39	6.67	7.14
150°	3.05	3.95	4.69	5.36	5.98	6.41	6.90