Karpo: ORC Rating

GPH

572.8

OSN

555

LOA

13.58 m

Displacement

12773 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6999

Medium

0.9592

High

1.1084

Triple Offshore

Low

0.9052

Medium

1.1885

High

1.332

Boat Specifications

Dimensions

Length overall: 13.58 m
Beam: 4.36 m
Draft: 2.3 m
Displacement: 12773 kg
Crew weight: 720 kg
Wetted surface: 45.3 m²

Sails

Mainsail: 62.59 m²
Genoa: 51.64 m²
Spinnaker: 160.49 m²
Asymmetric spinnaker: 186.11 m²

Design

Type: Elan 450
Builder: Elan Marine
Designer: Rob Humphreys
Year built: 2007
Stability index: 117.7

Performance data

Polar CSV

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

6,44.4,5.038681,52,5.57,60,5.9,75,6.13,90,6.07,110,6.23,120,6.1,135,5.47,140.1,5.200966,150,4.6
8,42,5.974609,52,6.66,60,6.97,75,7.19,90,7.27,110,7.51,120,7.41,135,6.85,146.9,6.004402,150,5.81
10,40.6,6.611602,52,7.41,60,7.67,75,7.87,90,7.95,110,8.25,120,8.21,135,7.85,146,7.237308,150,6.92
12,40,6.983929,52,7.8,60,8.05,75,8.26,90,8.29,110,8.68,120,8.7,135,8.45,150,7.82,154.1,7.570386
14,39.6,7.151078,52,7.97,60,8.24,75,8.5,90,8.59,110,8.96,120,9.11,135,8.91,150,8.38,160.4,7.908223
16,39.4,7.259941,52,8.08,60,8.34,75,8.67,90,8.85,110,9.19,120,9.49,135,9.37,150,8.81,171.8,8.102842
20,39.4,7.350528,52,8.17,60,8.44,75,8.86,90,9.24,110,9.58,120,10.01,135,10.32,150,9.69,177.2,8.890614

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.9	6.13	6.07	6.23	6.1	5.47	4.6
8	6.66	6.97	7.19	7.27	7.51	7.41	6.85	5.81
10	7.41	7.67	7.87	7.95	8.25	8.21	7.85	6.92
12	7.8	8.05	8.26	8.29	8.68	8.7	8.45	7.82
14	7.97	8.24	8.5	8.59	8.96	9.11	8.91	8.38
16	8.08	8.34	8.67	8.85	9.19	9.49	9.37	8.81
20	8.17	8.44	8.86	9.24	9.58	10.01	10.32	9.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.6	140.1°	3.99
8	42°	4.44	146.9°	5.03
10	40.6°	5.02	146°	6
12	40°	5.35	154.1°	6.81
14	39.6°	5.51	160.4°	7.45
16	39.4°	5.61	171.8°	8.02
20	39.4°	5.68	177.2°	8.88

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°	5.57	6.66	7.41	7.80	7.97	8.08	8.17
60°	5.90	6.97	7.67	8.05	8.24	8.34	8.44
75°	6.13	7.19	7.87	8.26	8.50	8.67	8.86
90°	6.07	7.27	7.95	8.29	8.59	8.85	9.24
110°	6.23	7.51	8.25	8.68	8.96	9.19	9.58
120°	6.10	7.41	8.21	8.70	9.11	9.49	10.01
135°	5.47	6.85	7.85	8.45	8.91	9.37	10.32
150°	4.60	5.81	6.92	7.82	8.38	8.81	9.69