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5’7” Headroom in Main Cabin Main Salon w/Port & Starboard Settee Centerline Fold Down Teak Dinette Table Open Layout w/V Berth Forward L Shaped Galley to Port w/Single Sink Top Loading Ice Box Work Space in Galley Chart Table Navigation Area to Starboard Storage Beneath Chart Table & Light Double Width Berth Beneath Cockpit to Port Port Light in Transom Port Aft Private Head Compartment w/Sink & Storage Hanging Locker Deck, Sails & Rigging New Self-Tailing Lewmar Winches New Tiller New Mainsail and 150% Genoa 2022 New Running Rigging Rebuilt Rudder New Battery Bulkhead Mounted Compass Single Lifelines w/Stainless Steel Bow Pulpit & Stern Rail Fin Keel w/Transom Hung Rudder Anchor Locker Forward & Anchor Roller Forward Opening Hatch Self Draining Cockpit w/Deep Locker & Storage for Fuel Tank Boarding Ladder Aluminum Toe Rail Original Main & Headsail Cockpit Cushions Deck Wash Down System Which Generates 40 psi of Water
Equipment: https://www.snugharborboats.com/boats-for-sale/1986-jeanneau-tonic-23-buford-georgia-8261588/
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)
A keel/cb version was also available.
Photo courtesy Adam Hunt.
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