Longboard: ORC Rating

GPH

526.1

OSN

513.8

LOA

10.825 m

Displacement

2914 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8115

Medium

1.026

High

1.1932

Triple Offshore

Low

1.0285

Medium

1.2622

High

1.4448

Boat Specifications

Dimensions

Length overall: 10.825 m
Beam: 3.44 m
Draft: 2.6 m
Displacement: 2914 kg
Crew weight: 473 kg
Wetted surface: 24.84 m²

Sails

Mainsail: 54.69 m²
Genoa: 34.21 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 127.88 m²

Design

Type: Riptide 35-2
Builder: James Betts Enterp
Designer: Paul Bieker
Year built: 2012
Stability index: 110.5

Performance data

Polar CSV

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

6,41.1,5.865465,52,6.59,60,6.9,75,7.12,90,7.05,110,6.82,120,6.69,135,6.15,143.3,5.60007,150,5.19
8,38.4,6.533167,52,7.32,60,7.54,75,7.76,90,7.78,110,7.75,120,7.76,135,7.41,146.9,6.73257,150,6.52
10,37,6.799097,52,7.64,60,7.91,75,8.25,90,8.38,110,8.51,120,8.57,135,8.31,150,7.48,152.3,7.341368
12,36.6,6.962977,52,7.82,60,8.14,75,8.62,90,8.9,110,9.04,120,9.39,135,9.3,150,8.3,150.7,8.244758
14,36.4,7.069256,52,7.96,60,8.31,75,8.88,90,9.4,110,9.54,120,10.05,135,10.38,147.6,9.474992,150,9.24
16,36.3,7.13463,52,8.06,60,8.44,75,9.08,90,9.75,110,10.09,120,10.69,135,11.37,147.1,10.707226,150,10.38
20,36,7.156834,52,8.15,60,8.59,75,9.37,90,10.27,110,11.44,120,11.93,135,13.58,146.7,13.807009,150,13.32

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.59	6.9	7.12	7.05	6.82	6.69	6.15	5.19
8	7.32	7.54	7.76	7.78	7.75	7.76	7.41	6.52
10	7.64	7.91	8.25	8.38	8.51	8.57	8.31	7.48
12	7.82	8.14	8.62	8.9	9.04	9.39	9.3	8.3
14	7.96	8.31	8.88	9.4	9.54	10.05	10.38	9.24
16	8.06	8.44	9.08	9.75	10.09	10.69	11.37	10.38
20	8.15	8.59	9.37	10.27	11.44	11.93	13.58	13.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.1°	4.42	143.3°	4.49
8	38.4°	5.12	146.9°	5.64
10	37°	5.43	152.3°	6.5
12	36.6°	5.59	150.7°	7.19
14	36.4°	5.69	147.6°	8
16	36.3°	5.75	147.1°	8.99
20	36°	5.79	146.7°	11.54

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°	6.59	7.32	7.64	7.82	7.96	8.06	8.15
60°	6.90	7.54	7.91	8.14	8.31	8.44	8.59
75°	7.12	7.76	8.25	8.62	8.88	9.08	9.37
90°	7.05	7.78	8.38	8.90	9.40	9.75	10.27
110°	6.82	7.75	8.51	9.04	9.54	10.09	11.44
120°	6.69	7.76	8.57	9.39	10.05	10.69	11.93
135°	6.15	7.41	8.31	9.30	10.38	11.37	13.58
150°	5.19	6.52	7.48	8.30	9.24	10.38	13.32