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Herreshoff 12 1/2 by Cape Cod Shipbuilding, 2006 $24,000, Austin TX
A SPECIAL BOAT
Nathanael Herreshoff designed the H 12 1/2 in 1914. It has been in continuous production since then and is universally acclaimed as on of the finest small boats of all time. Today, new boats cost $60,000 +/- and all parts and accessories are readily available from Cape Cod Shipbuilding.
SPECIFICATIONS
LOA …………….. 15’ 9” LWL …………….. 12’ 6” Beam ………….. 5’ 10” Draft …………….. 29” full keel Displacement … 1,350 lbs. Ballast …………… 750 lbs. Lead Sail Area ……….. 140 sq.ft. Gaff Rig Spars ……………..Solid Sitka Spruce (mast, boom, gaff and jib boom)
FEATURES
Hull:
Gaff Rig Black hull, original gel coat, Buff deck, new Green antifouling
Solid Sitka Spruce mast, boom, gaff, jib boom, fresh varnish Full keel, 750 lbs. lead ballast, 29” draft Bronze - all hardware Harken mainsheet controls Teak floorboards Mahogany trim and seats Solo overnighting with air mattress and cockpit tent
Sails:
Gaff rig Tanbark main and self tending jib by Quantum Sails, Newport, R.I. Bronze clips on wood hoops for mainsail Like new condition - minimal use Custom Sunbrella sail covers and cockpit cover/tent
Motor: saltwater battery electric trolling motor
Trailer:
Triad Trailers single axle custom design for H 12 1/2 Keel guide and adjustable screw jacks for hull support New tires in 2020 Deestone tubeless 20.5 x 8.0-10 Spare tire tongue - mounted
Accessories:
Anchor, lines, fenders(bumpers) Keel bolt lifting harness All my ”stuff”
History:
In 2008 I purchased the boat, named the Black Pearl, still new, from its original owner in Massachusetts and trailered it back to Texas. Absolutely no problems. She has been used in fresh water only, including summers in Grand Lake, Colorado and Lake Travis, Austin, Texas. In my 12 years of ownership the boat has been in storage for 7 years. My H 12 1/2 is still like-new but my age and condition says she needs a new skipper.
SERIOUS INQUIRIES ONLY PLEASE
(713)443-9393
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)
The original boats were built by Herreshoff Manufacturing beginning in 1914 (357).
From 1943 to 1948, more were built by Cape Cod Shipbuilding (34 + 200, later in fiberglass), as well as the Quincy Adams Yacht Yard (51).
Cape Cod Shipbuilding came out with the BULLSEYE, built of fiberglass, with a similar hull but a different rig.
The DOUGH DISH, (one of the many nicknames previously associated with the class)is a faithful rendition of the 12 1/2, first built in 1972 of fiberglass by Doughdish Inc., of which 575 were built. They have been recognized and approved by the class to race on equal footing with the remaining, original wood boats.
Class rules permit a spinnaker of 140 sq. ft.
This listing is presented by SailingTexas.com. Visit their website for more information or to contact the seller.
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