DORIAN: ORC Rating

GPH

779.9

OSN

753.4

LOA

8.85 m

Displacement

3720 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5129

Medium

0.7062

High

0.8371

Triple Offshore

Low

0.6602

Medium

0.8731

High

0.9933

Boat Specifications

Dimensions

Length overall: 8.85 m
Beam: 2.97 m
Draft: 1.64 m
Displacement: 3720 kg
Crew weight: 400 kg
Wetted surface: 18.76 m²

Sails

Mainsail: 14.58 m²
Genoa: 22.9 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 48.41 m²

Design

Type: YCA 29
Builder: THAMES MARINE
Designer: J. EVERITT
Year built: 1979

Performance data

Polar CSV

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

6,44.5,3.631263,52,3.99,60,4.22,75,4.37,90,4.47,110,4.56,120,4.42,135,4.04,145.2,3.641238,150,3.45
8,43,4.320755,52,4.78,60,5.01,75,5.17,90,5.41,110,5.5,120,5.38,135,4.98,149.8,4.39675,150,4.38
10,41.8,4.802301,52,5.34,60,5.56,75,5.73,90,5.98,110,6.08,120,6.01,135,5.71,150,5.15,153.4,5.010321
12,41,5.154301,52,5.7,60,5.89,75,6.05,90,6.28,110,6.41,120,6.37,135,6.16,150,5.77,159.7,5.427082
14,39.9,5.396491,52,5.93,60,6.09,75,6.25,90,6.47,110,6.67,120,6.65,135,6.47,150,6.16,172.7,5.665925
16,39.2,5.522976,52,6.07,60,6.23,75,6.41,90,6.61,110,6.88,120,6.91,135,6.74,150,6.45,177.9,6.034053
20,39.4,5.616425,52,6.16,60,6.34,75,6.61,90,6.78,110,7.23,120,7.37,135,7.24,150,6.94,179,6.571001
24,40.6,5.557961,52,6.13,60,6.34,75,6.7,90,6.94,110,7.56,120,7.82,135,7.79,150,7.42,179,7.031071

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.99	4.22	4.37	4.47	4.56	4.42	4.04	3.45
8	4.78	5.01	5.17	5.41	5.5	5.38	4.98	4.38
10	5.34	5.56	5.73	5.98	6.08	6.01	5.71	5.15
12	5.7	5.89	6.05	6.28	6.41	6.37	6.16	5.77
14	5.93	6.09	6.25	6.47	6.67	6.65	6.47	6.16
16	6.07	6.23	6.41	6.61	6.88	6.91	6.74	6.45
20	6.16	6.34	6.61	6.78	7.23	7.37	7.24	6.94
24	6.13	6.34	6.7	6.94	7.56	7.82	7.79	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.59	145.2°	2.99
8	43°	3.16	149.8°	3.8
10	41.8°	3.58	153.4°	4.48
12	41°	3.89	159.7°	5.09
14	39.9°	4.14	172.7°	5.62
16	39.2°	4.28	177.9°	6.03
20	39.4°	4.34	179°	6.57
24	40.6°	4.22	179°	7.03

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	3.99	4.78	5.34	5.70	5.93	6.07	6.16	6.13
60°	4.22	5.01	5.56	5.89	6.09	6.23	6.34	6.34
75°	4.37	5.17	5.73	6.05	6.25	6.41	6.61	6.70
90°	4.47	5.41	5.98	6.28	6.47	6.61	6.78	6.94
110°	4.56	5.50	6.08	6.41	6.67	6.88	7.23	7.56
120°	4.42	5.38	6.01	6.37	6.65	6.91	7.37	7.82
135°	4.04	4.98	5.71	6.16	6.47	6.74	7.24	7.79
150°	3.45	4.38	5.15	5.77	6.16	6.45	6.94	7.42