BLOSSOM: ORC Rating

GPH

698.5

OSN

676.9

LOA

10.75 m

Displacement

6290 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5767

Medium

0.7865

High

0.9151

Triple Offshore

Low

0.7414

Medium

0.9734

High

1.0955

Boat Specifications

Dimensions

Length overall: 10.75 m
Beam: 3.46 m
Draft: 1.9 m
Displacement: 6290 kg
Crew weight: 480 kg
Wetted surface: 26.1 m²

Sails

Mainsail: 27.28 m²
Genoa: 36.69 m²
Spinnaker: 82.77 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 35 CLASSIC
Builder: Dufour Yachts
Designer: Michel Dufour
Year built: 1972

Performance data

Polar CSV

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

6,43.5,4.066865,52,4.54,60,4.81,75,5.02,90,4.96,110,5.06,120,4.93,135,4.52,147.5,3.983915,150,3.89
8,42,4.76354,52,5.34,60,5.64,75,5.9,90,5.95,110,6.13,120,6,135,5.51,150,4.87,151.5,4.801909
10,42,5.369075,52,6.03,60,6.29,75,6.48,90,6.62,110,6.74,120,6.67,135,6.36,150,5.71,153,5.566738
12,42,5.880415,52,6.44,60,6.63,75,6.79,90,6.92,110,7.1,120,7.05,135,6.82,150,6.43,158,6.093721
14,41.2,6.073777,52,6.64,60,6.82,75,7,90,7.04,110,7.41,120,7.38,135,7.16,150,6.83,180,6.27
16,40.7,6.120287,52,6.71,60,6.92,75,7.17,90,7.23,110,7.64,120,7.71,135,7.49,150,7.14,180,6.71
20,41.8,6.15714,52,6.72,60,6.95,75,7.33,90,7.59,110,7.92,120,8.19,135,8.15,150,7.77,180,7.32

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.54	4.81	5.02	4.96	5.06	4.93	4.52	3.89
8	5.34	5.64	5.9	5.95	6.13	6	5.51	4.87
10	6.03	6.29	6.48	6.62	6.74	6.67	6.36	5.71
12	6.44	6.63	6.79	6.92	7.1	7.05	6.82	6.43
14	6.64	6.82	7	7.04	7.41	7.38	7.16	6.83
16	6.71	6.92	7.17	7.23	7.64	7.71	7.49	7.14
20	6.72	6.95	7.33	7.59	7.92	8.19	8.15	7.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.95	147.5°	3.36
8	42°	3.54	151.5°	4.22
10	42°	3.99	153°	4.96
12	42°	4.37	158°	5.65
14	41.2°	4.57	180°	6.27
16	40.7°	4.64	180°	6.71
20	41.8°	4.59	180°	7.32

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°	4.54	5.34	6.03	6.44	6.64	6.71	6.72
60°	4.81	5.64	6.29	6.63	6.82	6.92	6.95
75°	5.02	5.90	6.48	6.79	7.00	7.17	7.33
90°	4.96	5.95	6.62	6.92	7.04	7.23	7.59
110°	5.06	6.13	6.74	7.10	7.41	7.64	7.92
120°	4.93	6.00	6.67	7.05	7.38	7.71	8.19
135°	4.52	5.51	6.36	6.82	7.16	7.49	8.15
150°	3.89	4.87	5.71	6.43	6.83	7.14	7.77