MAD BLUE — ORC Rating

GPH

611.8

OSN

593

LOA

10.57 m

Displacement

3515 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6687

Medium

0.8987

High

1.0156

Triple Offshore

Low

0.8593

Medium

1.1064

High

1.2392

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 1.98 m
Displacement: 3515 kg
Crew weight: 474 kg
Wetted surface: 23.03 m²

Sails

Mainsail: 34.6 m²
Genoa: 25.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 89.03 m²

Design

Type: J 105
Builder: TPI
Designer: JOHNSTONE
Year built: 1991
Stability index: 113.4

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.

6,43,4.771973,52,5.32,60,5.6,75,5.79,90,5.8,110,5.86,120,5.7,135,5.12,143.3,4.664647,150,4.32
8,40.6,5.650154,52,6.33,60,6.56,75,6.72,90,6.86,110,6.98,120,6.86,135,6.36,146.9,5.682098,150,5.49
10,38.8,6.197568,52,6.9,60,7.08,75,7.22,90,7.34,110,7.58,120,7.52,135,7.18,149.2,6.519513,150,6.47
12,37.6,6.424418,52,7.16,60,7.35,75,7.55,90,7.58,110,8.04,120,8.07,135,7.76,150,7.14,150.1,7.128877
14,37.5,6.567061,52,7.28,60,7.5,75,7.8,90,7.92,110,8.41,120,8.6,135,8.33,149.3,7.617588,150,7.57
16,37.2,6.628753,52,7.36,60,7.6,75,7.97,90,8.22,110,8.71,120,9.13,135,8.97,150,7.98,173.9,7.03986
20,37.5,6.705713,52,7.44,60,7.7,75,8.18,90,8.66,110,9.29,120,10.04,135,10.76,142.6,10.019957,150,9.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.6	5.79	5.8	5.86	5.7	5.12	4.32
8	6.33	6.56	6.72	6.86	6.98	6.86	6.36	5.49
10	6.9	7.08	7.22	7.34	7.58	7.52	7.18	6.47
12	7.16	7.35	7.55	7.58	8.04	8.07	7.76	7.14
14	7.28	7.5	7.8	7.92	8.41	8.6	8.33	7.57
16	7.36	7.6	7.97	8.22	8.71	9.13	8.97	7.98
20	7.44	7.7	8.18	8.66	9.29	10.04	10.76	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.49	143.3°	3.74
8	40.6°	4.29	146.9°	4.76
10	38.8°	4.83	149.2°	5.6
12	37.6°	5.09	150.1°	6.18
14	37.5°	5.21	149.3°	6.55
16	37.2°	5.28	173.9°	7
20	37.5°	5.32	142.6°	7.96

Loading polar chart…