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Amel Sharki, hull #49 Repowered with Volvo-Penta D2-55 approx. 1000 hrs. Including Balmar hi output Alternator, 165A. Mastervolt 50A shore power charger. Smart plug shore power cable. 4ea Mastervolt D4 AGM battery bank. Excellent full batten main and mizzen sails, furling jib, A sail with ATN snubber, storm sail and mizzen ballooner all in great shape. Compact strand s.s. standing rigging with Norseman fittings. All new chain plates and stem head fitting. High end Harken and New England Ropes running rigging and hardware. Anderson self tailing winches. Inboard air conditioning with reverse cycle heat. Inboard diesel heater. Full canvas includes sail covers and cockpit enclosure with no-seeum screens and new Isinglass panels. Algrip above waterline, including non skid decks. Simrad Broadband Radar and chart plotter. Neco auto pilot with spare parts. Emergency tiller. Three waterproof collision bulkheads standard from Amel factory. Standard Horizon VHF marine radio with ram mike and AIS. ACR Global Fix Pro GPS EPIRB. SEA 235 SSB. All interior and navigation lights are LED. 1.8KW inverter. PEX plumbing with 4 stage water purification. 200 gal. fresh water supply. Legal marine sanitation system with 33 gal. black water holding tank. Pump out from deck port or overboard manually when offshore. 90 gal. Stainless steel Diesel fuel tank has 2 inspection/clean out ports. Fuel tank is pristine. Raycor 500 fuel filter with new diesel hoses. Lofrans Tigress windless. Hi strength G4 all chain rode. Crosby shackles and 60lb. Manson Supreme anchor from New Zealand. Second kedge anchor with combination chain and rope rode. Stow-able dinghy davits with lifting hardware. Amel boarding ladder. Winslow 4 person Ultra-light-offshore vacuum packaged valise life raft. Needs cert.
Equipment: amelsharki49.com
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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