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TOMBOY is a shining example of a two-owner MKII beloved by the same owner since 1998. As one of the first MKII’s ever produced it was befitting she was featured as the cover model for Swan’s fleet brochure. She has spent her entire life cruising San Francisco Bay, never chartered or raced. And it shows. Under the watchful eye of Swan dealer and service provider at KKMI, no expense has been spared in the meticulous maintenance of this pedigree yacht.
Most notably this past year a new Volvo D-2 50hp engine & saildrive were installed by KKMI. While at the yard she also benefitted from new upper and lower rudder bearings. A labor-intensive job her next owner won’t have to consider for years to come. Her exhaust hoses were replaced when the owner dropped in fresh batteries. She also sports fresh bottom paint with PropSpeed. Invoices for this work alone total over $85,000.
Her offshore cruising capabilities are top notch. Large genoa tracks add versatility for trimming and sail selection. A slick Navtec tuning station allows the helmsman to equalize the ship’s hydraulics while running back stays add assurance in heavy offshore air. Cleverly positioned chain plates set the shrouds in board for safe passage up to the foredeck. An optional removable bowsprit sets the asymmetrical spinnaker. To round it all out there is a delivery dodger for foul weather.
Her vacuum-bagged decks are in serviceable condition and do not show their age. As a testament to her professional stewardship, this vessel is in stellar shape cosmetically. Her gelcoat topsides and stainless show to a high luster. Her windows and hatches are craze-free and their aluminum framing show no signs of pitting. Her signature double boot striping, navy canvas and the ship’s interior all show like-new. North Sails main & jib have been updated in 2016. There’s even a tender w/outboard included.
You will be hard pressed to find a tidier MKII anywhere in the world.
All service and repair records are available on request.
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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