JILORIO: ORC Rating

GPH

645

OSN

625.8

LOA

10.3 m

Displacement

5456 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.708

Medium

0.9639

High

1.1075

Triple Offshore

Low

0.9103

Medium

1.184

High

1.3208

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.96 m
Displacement: 5456 kg
Crew weight: 570 kg
Wetted surface: 25.62 m²

Sails

Mainsail: 34.69 m²
Genoa: 34.98 m²
Spinnaker: 77.99 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: Felci Yachts
Year built: 2003

Performance data

Polar CSV

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

6,42.7,4.517532,52,5.05,60,5.32,75,5.55,90,5.49,110,5.4,120,5.26,135,4.79,146.1,4.252949,150,4.07
8,41.2,5.316216,52,6,60,6.29,75,6.51,90,6.47,110,6.55,120,6.39,135,5.87,150,5.13,150.4,5.106413
10,40.9,6.006455,52,6.66,60,6.86,75,7.01,90,7.06,110,7.16,120,7.07,135,6.74,150,6.04,152.1,5.929174
12,39.7,6.329611,52,6.96,60,7.13,75,7.28,90,7.33,110,7.52,120,7.45,135,7.21,150,6.78,157.2,6.465168
14,38.9,6.424727,52,7.08,60,7.27,75,7.48,90,7.55,110,7.85,120,7.83,135,7.55,150,7.21,180,6.59
16,38.6,6.461763,52,7.13,60,7.33,75,7.63,90,7.79,110,8.12,120,8.21,135,7.93,150,7.53,180,7.07
20,39.3,6.474205,52,7.15,60,7.36,75,7.75,90,8.17,110,8.48,120,8.84,135,8.77,150,8.26,180,7.72

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.05	5.32	5.55	5.49	5.4	5.26	4.79	4.07
8	6	6.29	6.51	6.47	6.55	6.39	5.87	5.13
10	6.66	6.86	7.01	7.06	7.16	7.07	6.74	6.04
12	6.96	7.13	7.28	7.33	7.52	7.45	7.21	6.78
14	7.08	7.27	7.48	7.55	7.85	7.83	7.55	7.21
16	7.13	7.33	7.63	7.79	8.12	8.21	7.93	7.53
20	7.15	7.36	7.75	8.17	8.48	8.84	8.77	8.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.32	146.1°	3.53
8	41.2°	4	150.4°	4.44
10	40.9°	4.54	152.1°	5.24
12	39.7°	4.87	157.2°	5.96
14	38.9°	5	180°	6.59
16	38.6°	5.05	180°	7.07
20	39.3°	5.01	180°	7.72

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°	5.05	6.00	6.66	6.96	7.08	7.13	7.15
60°	5.32	6.29	6.86	7.13	7.27	7.33	7.36
75°	5.55	6.51	7.01	7.28	7.48	7.63	7.75
90°	5.49	6.47	7.06	7.33	7.55	7.79	8.17
110°	5.40	6.55	7.16	7.52	7.85	8.12	8.48
120°	5.26	6.39	7.07	7.45	7.83	8.21	8.84
135°	4.79	5.87	6.74	7.21	7.55	7.93	8.77
150°	4.07	5.13	6.04	6.78	7.21	7.53	8.26