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1985 Catalina 25 (Swing Keel) purchased new in 1985 - one owner. Sailed only in fresh water. Owner selling due to health reasons. The boat is located in slip K-31 of the Davis Hollow Marina in Moraine State Park, Butler County, in western Pennsylvania, north of Pittsburgh. More pictures are available at http://www.bananawind.us/Sundancer.htm
Equipment: 1984 or 1985 Trail Rite dual axle trailer with surge brakes
New battery
Dinette cabin configuration
Bimini
S/S turnbuckle covers
S/S jib rollers
Solar panel
Harken flexible furler - #furl unit-00 w/o helifoil
SR mariner instruments: cockpit display, NAV station display, wind, speed, water depth, mileage log, boat speed, wind direction
VHF radio
Dinette table
Propane stove
Propane grill
Lazy jack system
Spinnaker pole set up
Brass bell
Lighted compass
Silverware
Dishes
Cockpit cushions
Cockpit table
Life jackets
Horseshoe ring
9.9 HP Yamaha motor (purchased used in 1990)
Mast raising and lowering devices
Mass support for trailering
Gas pistons to assist raising pop top
Pop-top enclosure
Gas pistons to assist pulling motor up
Portable tiller tamer
Screens for companionway
Screen for forward hatch
Anchor with 200 feet of rode and 6 feet of chain
Porta potti
Flag halyard
Spinnaker
Mainsail and jib sail recently cleaned by Sailcare
Toolbox with miscellaneous sailing hardware
Stainless steel lifeline, cup holders
Four oversize covered fenders
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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