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1987 Cal 33-2 4’ 8” draft Ready to go back to the Bahamas
Equipment: Dig Radar 2016 Chart Plotter 2016 St 4000 Auto helm 2016 wind/depth/knot VHS and hand held VHS EPIRB
All Running rigging 2016 Main excellent Headsail ok All lines run back to cockpit Lazy Jacks
Yanmar 3GM 30F fwd/reverse cable 2018 Throttle cable 2018 Full exhaust hose 2018
2 house battery 2018 1 starting battery 2 50’ 30 amp shore cords 1 50amp x (2) 30 amp adp 1 20 amp house x 30 amp boat adp
Isotherm frig 2016 Hot water Htr 2016 6500 btu a/c 12000 btu heat/ac Led cabin lights Microwave Propane stove/oven Headliner 2016 cabin sole 2016
Bimini Dodger 8’ west Marine raft 3.5 merc 4 stoke led nav lights revere coastal life raft west marine ditch bag cockpit cushions gas grill front anchor 16 lb fortress
Dock lines Fenders Life Jackets (4) 5gal water jugs (4) 5 gal Fuel jugs
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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