FROGFOOT: ORC Rating

GPH

515.9

OSN

501

LOA

12.15 m

Displacement

4919 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8921

Medium

1.1837

High

1.3652

Triple Offshore

Low

1.1507

Medium

1.4687

High

1.6812

Boat Specifications

Dimensions

Length overall: 12.15 m
Beam: 4.2 m
Draft: 2.61 m
Displacement: 4919 kg
Crew weight: 950 kg
Wetted surface: 30.73 m²

Sails

Mainsail: 58.27 m²
Genoa: 42.25 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 177.72 m²

Design

Type: KER 40
Builder: MCCONAUGHY YACHTS
Designer: JASON KER
Year built: 2011

Performance data

Polar CSV

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

6,42.8,5.683291,52,6.38,60,6.76,75,7.07,90,6.98,110,7.02,120,6.81,135,6.07,142.4,5.566146,150,5.09
8,41.6,6.873513,52,7.61,60,7.86,75,8.02,90,8,110,8.19,120,8.11,135,7.64,143.6,6.932592,150,6.44
10,39.2,7.329557,52,8.09,60,8.32,75,8.57,90,8.56,110,8.95,120,8.94,135,8.42,149,7.653115,150,7.57
12,37.9,7.477023,52,8.3,60,8.63,75,9.12,90,9.23,110,9.46,120,9.8,135,9.27,150,8.38,152.3,8.177154
14,37.3,7.555249,52,8.42,60,8.81,75,9.49,90,9.88,110,9.98,120,10.4,135,10.29,148.9,9.120986,150,9.02
16,36.6,7.623152,52,8.5,60,8.92,75,9.7,90,10.43,110,10.54,120,11.01,135,11.52,146.1,10.289004,150,9.87
20,36.7,7.720364,52,8.74,60,9.24,75,9.93,90,11.01,110,11.76,120,12.31,135,13.68,142.1,13.433296,150,12.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.38	6.76	7.07	6.98	7.02	6.81	6.07	5.09
8	7.61	7.86	8.02	8	8.19	8.11	7.64	6.44
10	8.09	8.32	8.57	8.56	8.95	8.94	8.42	7.57
12	8.3	8.63	9.12	9.23	9.46	9.8	9.27	8.38
14	8.42	8.81	9.49	9.88	9.98	10.4	10.29	9.02
16	8.5	8.92	9.7	10.43	10.54	11.01	11.52	9.87
20	8.74	9.24	9.93	11.01	11.76	12.31	13.68	12.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.17	142.4°	4.41
8	41.6°	5.14	143.6°	5.58
10	39.2°	5.68	149°	6.56
12	37.9°	5.9	152.3°	7.24
14	37.3°	6.01	148.9°	7.81
16	36.6°	6.12	146.1°	8.54
20	36.7°	6.19	142.1°	10.6

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°	6.38	7.61	8.09	8.30	8.42	8.50	8.74
60°	6.76	7.86	8.32	8.63	8.81	8.92	9.24
75°	7.07	8.02	8.57	9.12	9.49	9.70	9.93
90°	6.98	8.00	8.56	9.23	9.88	10.43	11.01
110°	7.02	8.19	8.95	9.46	9.98	10.54	11.76
120°	6.81	8.11	8.94	9.80	10.40	11.01	12.31
135°	6.07	7.64	8.42	9.27	10.29	11.52	13.68
150°	5.09	6.44	7.57	8.38	9.02	9.87	12.24