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Standard features
Formosa 41 Ketch
Boat REF# · 273410 Length · 410 Year · 1976 Construction · GRP Underwater profile · Long Keel Sleeping berths · 7 Engine · 1 x diesel 50hp, Beta Marine 4 Cylinder (2017) Lying · Tacoma, WA USA - Shown by Appointment
View COMPLETE SPECS - 360 VIRTUAL TOUR - up to 80 PHOTOS - VIDEO of this sailboat by copying and pasting the link>
https://tacoma.boatshed.com/formosa_41_ketch-boat-273410.html
Brokers Comments: A commonplace piece of advice when buying an older used boat is to buy one that someone else has put all new stuff into! This Formosa 41 Ketch is one of these. The list of new or newer equipment on this boat is lengthy. Re-powered, rigging, sails, life lines, stanchions, fiberglass work, windlass, anchor chain, navigation electronics, and the list goes on. These are items that are costly when renewing a boat. A little upholstery work inside this boat and it will be good for quite a long while… and be able to take you on wonderful adventures.
Shes ketch-rigged for easy sailing with one or two people.
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)
Also known as the YANKEE CLIPPER 41. ATLANTIC CLIPPER. Similar to CT-41, SEA WOLF 40, SEA TIGER 41.
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