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Fresh bottom job 2019 New PSS dripless shaft Engine top end rebuild 2016 Yanmar 2qm15. Never skipped a beat. 1680 hours All new standing rigging and Harken roller furler Mast pulled all new wires and lights New stainless steel chain plates 2016 No leaks New batteries Sterling 20amp battery charger Solar panel/ Blue sky Mppt charge controller 12v icebox fridge conversion 4 New Lewmar self tail winches All LED lights New running rigging 2019 Spinnaker in a ATN sock Quantum Laminate racing foresail New North Sail main in 2012 New inverter
Equipment: Raymarine auto pilot GPS at navstation and pilots wheel Tic tach wind, depth, speed 25lb delta anchor with 50 of 3/8 chain Isotherm fridge New foot operated whale pumps at both sinks Extra main sail and jib in delivery condition 150 jib 100 jib 100 racing lamanate jib Spin lock clutches All lines lead aft
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)
Yanmar 2GM Diesel was available as an option.
Keel/CB version:
Draft (BD): 6.90’/2.10m
Draft (BU): 4.00’/1.22m
Displacement: 10485 lbs./4756 kgs.
Ballast: 4705 lbs./2134 kgs.
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