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Currently on a trailer with the mast stepped. Includes 9’ Maxon dinghy and 6HP outboard. Fully equipped with instrumentation, all LED lighting, autopilot, all accessories. Just replaced all bulkheads. Trailer is optional with the purchase.
Equipment: Hot and cold pressurized water (hot water available on shore power) Two Harken #32 2-speed winches, self tailing Two Lewmar #16, 2-speed winches Life Sling and lifting hardware 2-12V auto bilge pumps and 1 manual bilge pump 30 amp Smartplug-equipped 50’ shore power cord with storage bag Navico tiller autopilot. Electrical connection has been upgraded to a more robust and reliable Powerlet-brand plug Raymarine ST50 tri-display with new transducer Complete Orion flare signaling kit with up-to-date flares (expire in September 2021) 12# Danforth anchor with approximately 20 feet of chain and 220 feet overall length 120V hot water heater Paneltronics 12V distribution panel All lighting is LED, both interior and navigation. Switchable motion-detection LED lighting in the lazarette and head Two Magma Barbeques included, one propane and one charcoal Stainless portable butane stove with spare canisters Bosun’s Chair Jabsco head with holding tank. Garmin GPS chartplotter (not installed) Waterproof floating Horizon handheld VHF radio Sony marine CD player/ stereo with aux input
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)
SAN JUAN 29 is similar.
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