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Shannons are highly regarded for their exceptional strength, classic styling, comfortable interiors and functional deck layouts. Many Shannons have circumnavigated, and their owners praise the sea kindly motion, excellent direction control, stability, and the numerous sail combinations offered with the ketch sail plan.
That being said, she is in need of some work, but is defiantly able to get underway. I think she would be a good project boat for someone who has the time, skills and knowledge to take on such a project. I had a full survey on her completed Nov. 10, 2022, that I am willing to share with you. The boat is currently in the water, and I am living aboard while I take care of the A, B and C items from the survey. If you are interested in the boat, I am available at any time to show you around the boat. As far as sale price…it is negotiable as long as you are able to show that you can get Insurance on the boat.
Equipment: Perkins 4-236, Vetus Bow thruster, 6kw Northern Lights Gen, 4 Racor filters,7 fuel tanks,2 Holding tanks, Hot water tank, Lighthouse 1501 windlass, 80 lb Manson Supreme anchor w/150’of the chain, 250’ 7/16” spare portion of chain, 45lb Lewmar Delta Anchor, Rail mounted barbecue, 13 winches, Spinnaker pole, Cruising spinnaker with ATN sock, Cockpit mainsail winch - electric, Mack Pack sail covers, cockpit dodger and bimini, Midship companionway dodger, 4 New Kiddle Mariner 110 Fire extinguishers, Achilles 11 foot Hard bottom dinghy w/15hp yamaha, 12” Furuno Navnet EX2 Plotter, Furuno Nav Net 2 with 7” color display (radar, plotter, fish finder, AIS), 4ea. 30 multi displays on bulkhead, forward end cockpit, and much more…
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)
A pilot house version was the AEGEAN 51.
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