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‘78 CATALINA 25 SAILBOAT (CANT BEAT THIS YEAR/MAKE) WITH 8-HP YAMAHA ENGINE, INCLUDING BRAND-NEW DINGHY AND OUTBOARD ENGINE (BOTH WITH LESS THAN 20 HOURS USE!!): $6,500!!! LOOKING FOR A NEW OWNER THAT WILL ENJOY SAILING AND TAKING CARE OF HER AS WE DID!!!! VERY GOOD CONDITION AND CAREFULLY MAINTAINED AND SERVICED BY THE CURRENT OWNER FOR THE LAST 8 YEARS. It’s a wonderful boat for anybody interested in sailing on the Chesapeake or large lakes and rivers. Completely outfitted and ready to sail. Bottom freshly painted in March 2023, plus MD registration paid until 2024. Our circumstances changed and we cannot keep the boat. The current slip at Herrington Harbour is reserved and if interested it can be re-rented in your name (Excellent marina resort with almost no available slips).
Equipment: 2011 Sobstad Racing Main Sail, “Softopper” Mainsail Cover (New in 2012) Yamaha 8-hp 4-stroke motor winter professionally serviced every year (most recent service December 2022, Interior upholstery, Mainsail cover, Mahogany & ash tiller, Upgraded boom vang (2012) Standard Rig w/ Fixed Keel (avoids common swing keel issues) 130% Genoa are Top-Of-The-Line! (Convenient Genoa Furler makes single-handed sailing easy) Origo 2-Burner Alcohol Stove Hydraulic Outboard Engine Life (for easy up and down) 3-Gal Gas Tank with Fuel Lines New Inclinometer (2022) All-Weather Cockpit Seat Cushions Marine Radio Sanipottie Portable Toilet (Model 960) Standard & Running Rigging in great shapel Running rigging replaced in 2021. Upgraded Stainless Steel Genoa Cars (New in 2012) Two Winch Handles for heavy winds Detachable Ladder Upgraded electric system with two (2) 12-volt batteries for long weekends on the bay. 6 West Marine Life Jackets Sailbags Bumpers Docking & extra rigging lines. Garmin Echomap 44DV Plotter/Chart Hardly used Weihai Ace 9-feet dinghy with hard floors (maybe 20 hours!!) 2.5 HP Suzuki outboard Ultra Low Emissions (20 hours!!!)
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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