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S/V Enso is a Roger Hewson-designed Aft-Cockpit Masthead Sloop a proven offshore performer designed for extended cruising. The deck plan is thoughtfully designed for safety and ease of handling with a high aspect, balanced rig and a powerful hull shape that yields excellent sea kindliness and directional control. Her readily-managed sail plan and rigging provide an excellent balance between light air performance and heavy weather stability.
Equipment: Beta-50 Diesel Engine (2019) 250 hours TMC-60 transmission Aquadrive thrust bearing Factory rebuilt Maxprop VP Edson single lever control
Garmin electronics pkg (2019): 7608 Chartplotter Phantom 18 Radar Wind (GNX) Depth, Speed, Temp Reactor 40 autopilot Garmin 800 AIS module NMEA 2k integrated engine monitoring
Lewmar Electric Winches Primaries and main halyard Lewmar folding wheel Maxwell windlass Spinnaker pole stored on mast Classic main w/2 reef points 135% Genoa 120% Genoa Asymmetric Spinnaker
4.2 Kw Fischer Panda Genset Marine reverse cylcle air CNG stove w/spare tanks Freezer/Fridge/Microwave
Full list of equipment and specs available
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)
Hull #63 - #91.
Shallow draft wing keel (5.0’)
Keel/cb version (BU: 4.75; BD: 8.5’)
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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