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1983 Cape Dory 30 with Trailer
The Cape Dory 30 with Cutter Rig is well balanced and extremely seaworthy. Cape Dory’s are well built boats that hold their value over time. This boat has been stored in a barn on its’ trailer since it was decommissioned in 2013. Worm Gear Wheel Steering is almost bulletproof. Volvo MD7A Diesel. The interior needs some work to bring back to it’s traditional style. With a bit of work, this boat will be a great buy for Cape Dory fans and sailing traditionalists.
ACCOMMODATIONS:
V Berth forward with filler to make double berth Private head is next aft with toilet to port and sink to starboard Main cabin has opposing settees with center drop leaf table. Port settee pulls out to make a double. Starboard berth is a single. Shelves outboard on each side for books and storage. Galley is athwartships aft. Needs new stove, sink to port and icebox. Additional counterspace to starboard. Interior needs new cushions and interior teak needs to be cleaned and re-oiled. Upgrading interior will restore Cape Dory Classic Styling.
Equipment: DECK/SAILS/RIGGING:
Cutter Rig is very efficient to handle. Easy to single hand Deck is in good shape Worm Gear Wheel Steering is nearly bulletproof Needs Compass for Binnacle Trailer in good condition
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)
Derived from an earlier boat called the NAUGUS 30, originally built in 1967 by Naugus Fiberglass Industries, (Marblehead, MA) (6 built). The tooling was later sold to Cape Dory Yachts and renamed CAPE 30. Thanks to NAUGUS 30 owner Ben Smith for providing extra information.
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