SeaFlower: ORC Rating

GPH

583.7

OSN

566.9

LOA

12.45 m

Displacement

9400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6964

Medium

0.9357

High

1.0534

Triple Offshore

Low

0.8992

Medium

1.1617

High

1.2879

Boat Specifications

Dimensions

Length overall: 12.45 m
Beam: 3.95 m
Draft: 2.23 m
Displacement: 9400 kg
Crew weight: 600 kg
Wetted surface: 35.56 m²

Sails

Mainsail: 53.19 m²
Genoa: 42.87 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 155.79 m²

Design

Type: X 4.3
Builder: X Yachts
Designer: Jeppesen
Year built: 2016
Stability index: 129.8

Performance data

Polar CSV

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

6,44.2,4.993649,52,5.52,60,5.85,75,6.09,90,6.07,110,6.21,120,6.07,135,5.45,143.3,4.976454,150,4.61
8,42,5.880415,52,6.55,60,6.86,75,7.09,90,7.21,110,7.41,120,7.31,135,6.78,147.1,6.002716,150,5.82
10,40.8,6.486172,52,7.24,60,7.5,75,7.69,90,7.81,110,8.08,120,8.03,135,7.69,148.2,7.000884,150,6.87
12,40.2,6.834285,52,7.6,60,7.84,75,8.05,90,8.08,110,8.5,120,8.51,135,8.25,149.8,7.64803,150,7.63
14,40,6.996983,52,7.77,60,8.03,75,8.3,90,8.39,110,8.8,120,8.96,135,8.72,150,8.08,150.5,8.042689
16,40,7.075308,52,7.86,60,8.13,75,8.48,90,8.65,110,9.03,120,9.37,135,9.21,150,8.42,171.8,7.486541
20,40.2,7.12232,52,7.92,60,8.21,75,8.68,90,9.09,110,9.44,120,9.93,135,10.29,150,9.11,175.4,8.286692

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.52	5.85	6.09	6.07	6.21	6.07	5.45	4.61
8	6.55	6.86	7.09	7.21	7.41	7.31	6.78	5.82
10	7.24	7.5	7.69	7.81	8.08	8.03	7.69	6.87
12	7.6	7.84	8.05	8.08	8.5	8.51	8.25	7.63
14	7.77	8.03	8.3	8.39	8.8	8.96	8.72	8.08
16	7.86	8.13	8.48	8.65	9.03	9.37	9.21	8.42
20	7.92	8.21	8.68	9.09	9.44	9.93	10.29	9.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.58	143.3°	3.99
8	42°	4.37	147.1°	5.04
10	40.8°	4.91	148.2°	5.95
12	40.2°	5.22	149.8°	6.61
14	40°	5.36	150.5°	7
16	40°	5.42	171.8°	7.41
20	40.2°	5.44	175.4°	8.26

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°	5.52	6.55	7.24	7.60	7.77	7.86	7.92
60°	5.85	6.86	7.50	7.84	8.03	8.13	8.21
75°	6.09	7.09	7.69	8.05	8.30	8.48	8.68
90°	6.07	7.21	7.81	8.08	8.39	8.65	9.09
110°	6.21	7.41	8.08	8.50	8.80	9.03	9.44
120°	6.07	7.31	8.03	8.51	8.96	9.37	9.93
135°	5.45	6.78	7.69	8.25	8.72	9.21	10.29
150°	4.61	5.82	6.87	7.63	8.08	8.42	9.11