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Quiet Flight a pristine 2002 Catalina 470
The Catalina 470 features a unique, structural fiberglass grid is bonded to the hull and provides both strength for the hull and a massive foundation for securing bulkheads, equipment, engine and tanks. The generous deck beam is carried well aft providing for an expansive cockpit with twin steering stations and large master stateroom below. The Catalina 470 embodies all that is essential to safe passagemaking and all that is desired in performance, function, comfort and luxury. Quiet Flight is a two cabin model, in the aft cabin is a large queen size bed. On the transom a well engineered Arch is mounted, a set of dinghy davits and solar panels are installed on the arch.
Please contact Fokke de Jong at (954) 763-3971 for more information.
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)
Wing keel versions draft: 5.5’/1.68m
Tall rig with mast moved aft:
I: 62.67’ / 19.10m
J: 17.83’ / 5.43m
P: 56.92’ / 17.35m
E: 20.00’ / 6.10m
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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