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Only 2 owners; 90 % of her life in fresh water.
Upgrades since 2021:
Axiom chartplotter, 480 watt solar panels, Axiom Raymarine , 2-way AIS, 400 amps of lithium batteries (bluetooth), Rainman Watermaker (37 gph), 2 000 watts inverter/charger, Starlink, Atlantic Tower arch, 11 1/2 ft hypalon dinghy and 15 hp Yamaha engine, shark-shaft, 2 200 watt generator, foldable wheel, battery monitor (bluetooth), Starlink, 43 in. TV etc,,
Let’s Sea can sleep 5-6 persons. It is the 2 bedrooms model. I bought her in 2021 in Delaware where she spent all her life, in fresh water. Since I bought her, I upgraded her to an ocean vessel. She’s been in salt only for 16 months.
Sailboat is presently in Green Cove Springs, FL.
Last survey in 2021.
Equipment: Based on the highly successful Beneteau 473 and designed by renowned naval architects Berret/Racoupeau Yacht Design, this unique 39-foot passagemaker answers a long awaited quest for the serious bluewater cruiser. Roomier, more spacious and boasting some of the best accommodations to be found, the 393 will be sure to please the most scrupulous of sailors; flawlessly combining comfort and performance into an exceptional vessel.
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)
Also called BENETEAU 393 and MOORINGS 403. Deep draft model: 6.25’.
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