HMS SURPRISE — ORC Rating

GPH

613.6

OSN

596.2

LOA

11 m

Displacement

5316 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6603

Medium

0.8974

High

1.0276

Triple Offshore

Low

0.8537

Medium

1.1052

High

1.2323

Boat Specifications

Dimensions

Length overall: 11 m
Beam: 3.25 m
Draft: 2.22 m
Displacement: 5316 kg
Crew weight: 550 kg
Wetted surface: 26.1 m²

Sails

Mainsail: 45.69 m²
Genoa: 29.21 m²
Spinnaker: 80.71 m²
Asymmetric spinnaker: 0 m²

Design

Type: VROLIJK 37
Builder: QBOATS
Designer: JUDEL/VROLIJK
Year built: 2003
Stability index: 123.9

Velocity Prediction

Polar CSV

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

6,42.6,4.781978,52,5.35,60,5.65,75,5.89,90,5.83,110,5.78,120,5.58,135,5,144.2,4.487933,150,4.2
8,41.4,5.705822,52,6.4,60,6.67,75,6.87,90,6.93,110,6.96,120,6.79,135,6.17,148.7,5.383524,150,5.31
10,40.6,6.361362,52,7.03,60,7.22,75,7.35,90,7.47,110,7.55,120,7.45,135,7.06,150,6.31,151.4,6.230189
12,39.3,6.55174,52,7.25,60,7.45,75,7.65,90,7.71,110,7.99,120,7.9,135,7.56,150,7.1,157.4,6.759024
14,39.3,6.668043,52,7.33,60,7.54,75,7.86,90,8.03,110,8.36,120,8.39,135,8.01,150,7.57,169.4,6.999443
16,39,6.69115,52,7.37,60,7.59,75,7.97,90,8.32,110,8.61,120,8.88,135,8.49,150,7.98,178.1,7.394065
20,39.1,6.816603,52,7.48,60,7.71,75,8.03,90,8.65,110,9.2,120,9.5,135,9.62,150,8.92,178.1,8.194505

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.35	5.65	5.89	5.83	5.78	5.58	5	4.2
8	6.4	6.67	6.87	6.93	6.96	6.79	6.17	5.31
10	7.03	7.22	7.35	7.47	7.55	7.45	7.06	6.31
12	7.25	7.45	7.65	7.71	7.99	7.9	7.56	7.1
14	7.33	7.54	7.86	8.03	8.36	8.39	8.01	7.57
16	7.37	7.59	7.97	8.32	8.61	8.88	8.49	7.98
20	7.48	7.71	8.03	8.65	9.2	9.5	9.62	8.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.52	144.2°	3.64
8	41.4°	4.28	148.7°	4.6
10	40.6°	4.83	151.4°	5.47
12	39.3°	5.07	157.4°	6.24
14	39.3°	5.16	169.4°	6.88
16	39°	5.2	178.1°	7.39
20	39.1°	5.29	178.1°	8.19

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