Veleros que aguantan el mal tiempo y los que nunca lo haran

[Cedemont]

Otro barcazo para el que le guste navegar seguro. El First 345 de los 80

http://www.youtube.com/watch?v=9mPvC...ure=grec_index

http://www.youtube.com/watch?v=qRS-q...eature=related

http://www.youtube.com/watch?v=e763K...eature=related

http://www.youtube.com/watch?v=5K3Hn...eature=related


FIRST 345

INPUT

Loa = 11,00 m
Lh = 10,55 m
Lwl = 9,08 m
Bmax = 3,49 m
Bwl = 3,14 m
Draught T = 1,45 m
Body draught Tc = 0,57 m
Moulded depth H = 1,75 m
Disp = 5700 kg
Ballast = 2050 kg
Sail area = 50,73 m2
Mast height = 15,01 m
Heeling Arm = 6,58 m
Power = 21 KW

OUTPUTS

Length/Beam Ratio (2Lwl + Lh)/3B = 2,74
Lwl/Bwl Ratio Lwl/Bwl = 2,89
Length/Draught Ratio Lh/T = 7,28
Beam/Draught Ratio Bmax/T = 2,41
WL beam/Body draught Bwl/Tc = 4,69
Ballast/Disp Ratio W/Disp = 0,36
Displacement/Length Ratio D/L = 212,37
Sail Area/Disp. Ratio SA/D = 16,16
Sail Area/Wetted surface SA/WS = 2,05
Power/ Disp. Ratio HP/D = 2,27 HP/ton
Hull speed HSPD = 7,31 Kn
Potential Maximum Speed PMS = 7,90 Kn
Velocity Ratio VR = 1,08
Best motoring speed (1.1) CSPD = 6,00 Kn
Capsize Safety Factor CSF = 1,97
Motion Comfort Ratio MCR = 24,00
Roll Period T = 2,78 Sec
Roll Acceleration Acc = 0,12 G's
Stability Index SI = 0,80
Angle of Vanishing Stability AVS = 120 º
Dellenbaugh Angle DA = 16,13 º (14 kn wind)
Wind pressure coefficient WPC = 1,31

Estimated STIX 38,68


Fuente: Guillermo Gefaell