Narjis: ORC Rating

GPH

656.7

OSN

635.5

LOA

10.2 m

Displacement

4258 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6035

Medium

0.8328

High

0.969

Triple Offshore

Low

0.7834

Medium

1.0378

High

1.1802

Boat Specifications

Dimensions

Length overall: 10.2 m
Beam: 3.42 m
Draft: 1.86 m
Displacement: 4258 kg
Crew weight: 610 kg
Wetted surface: 24.75 m²

Sails

Mainsail: 31.21 m²
Genoa: 26.64 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 70.15 m²

Design

Type: Crest 10.20
Builder: van Workum
Designer: Kees vd Stadt
Year built: 2004
Stability index: 108.9

Performance data

Polar CSV

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

6,44.4,4.324868,52,4.79,60,5.1,75,5.34,90,5.39,110,5.41,120,5.23,135,4.71,144.8,4.234255,150,4
8,42.6,5.135192,52,5.76,60,6.08,75,6.33,90,6.5,110,6.57,120,6.39,135,5.84,147.5,5.217032,150,5.07
10,41.8,5.808369,52,6.47,60,6.71,75,6.89,90,7.11,110,7.18,120,7.08,135,6.73,147.5,6.141869,150,5.99
12,40.2,6.258215,52,6.88,60,7.05,75,7.2,90,7.48,110,7.61,120,7.52,135,7.23,148.9,6.738552,150,6.67
14,38.8,6.454196,52,7.09,60,7.27,75,7.46,90,7.71,110,8.07,120,7.99,135,7.64,150,7.07,151.6,6.968692
16,38.7,6.547669,52,7.18,60,7.41,75,7.71,90,7.88,110,8.5,120,8.49,135,8.11,150,7.37,173.6,6.711829
20,39,6.601077,52,7.24,60,7.49,75,7.98,90,8.4,110,9.07,120,9.58,135,9.17,150,8.04,177.2,7.388821

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.79	5.1	5.34	5.39	5.41	5.23	4.71	4
8	5.76	6.08	6.33	6.5	6.57	6.39	5.84	5.07
10	6.47	6.71	6.89	7.11	7.18	7.08	6.73	5.99
12	6.88	7.05	7.2	7.48	7.61	7.52	7.23	6.67
14	7.09	7.27	7.46	7.71	8.07	7.99	7.64	7.07
16	7.18	7.41	7.71	7.88	8.5	8.49	8.11	7.37
20	7.24	7.49	7.98	8.4	9.07	9.58	9.17	8.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.09	144.8°	3.46
8	42.6°	3.78	147.5°	4.4
10	41.8°	4.33	147.5°	5.18
12	40.2°	4.78	148.9°	5.77
14	38.8°	5.03	151.6°	6.13
16	38.7°	5.11	173.6°	6.67
20	39°	5.13	177.2°	7.38

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°	4.79	5.76	6.47	6.88	7.09	7.18	7.24
60°	5.10	6.08	6.71	7.05	7.27	7.41	7.49
75°	5.34	6.33	6.89	7.20	7.46	7.71	7.98
90°	5.39	6.50	7.11	7.48	7.71	7.88	8.40
110°	5.41	6.57	7.18	7.61	8.07	8.50	9.07
120°	5.23	6.39	7.08	7.52	7.99	8.49	9.58
135°	4.71	5.84	6.73	7.23	7.64	8.11	9.17
150°	4.00	5.07	5.99	6.67	7.07	7.37	8.04