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Sells 2 Nanni N5 230hp CR2 motors 230hp@2600rpm
Inverters ZF-325-1A Complete instrumentation Additional alternator 24V 150A, Nanni mounting Almost new, 15 hours of operation
TECHNICAL DESCRIPTION
John Deere engine block, 4 cylinders in line, 4.5L Application class: 3000h/year! Replaceable wet liners 4 valves per cylinder Water-cooled exhaust manifold Injection system Common-rail injection system Fuel heater Primary and secondary fuel filters Lubrication system Full-flow replaceable oil filter Oil level gauge Oil cooler Cooling system Closed cooling circuit with heat exchanger Gear-driven raw water pump Coolant circulation pump Water-cooled exhaust elbow
Electrical system & Instrumentation
Alternator 24 V / 50 A Additional Mastervolt 24V/150A alternator, lithium park compatible 24 V starter motor Full instrumentation with key-operated Start/Stop switch and alarms Turbocharger Seawater-cooled intake air
Inverter :
ZF 325-1a Ratio = 2.417 Rating :Continuous operation possible Angle = 7
Accessories :
Silent blocks supplied
Contacts : contact@internatmotors.fr ( 33) 04 91 65 46 10
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
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