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Classic design by John Alden. Navy hull, white with cream decks. Large, clear windows (with OceanAir shades) allow for a very open and bright main cabin. Beautiful varnished mahogany interior with maximum storage capacity. Spacious v-berth with cabinetry on both sides, wet bath extends the full width and is located between the two cabins. Main cabin has a port side dinette with table that drops to make a double sleeping berth and a single starboard berth. Galley is well equipped with two-burner alcohol stove, deep dry-storage locker, hot/cold pressurized water and manual foot pump. The huge cold box was previously converted to 12-volt refrigeration with a new condenser in 2022. Tanks: 2 water totaling 130 gallons, 25 gallon fuel tank, 13 gallon holding tank (installed in 2020 with new Jabsco head). Refit completed in 2008, prior to my purchase in 2018. I have tried to keep Integra in excellent condition with engine maintenance in 2019, bottom paint in 2019 and an additional coat in 2021, regular bottom cleaning and hull waxing. Priced to sell “as is” $28,750
Equipment: Yanmar 30 Diesel engine with just 405 hrs Garmin echoMAP 7” Chartplotter Ray marine SmartPilot Autopilot 12000 BTU Mermaid Marine Air Cooling / Reverse Cycle Heat, with hoses replaced in 2022/23 Anchor Windlass with 35# CQR VHF 500 radio and VHF 75 handheld Large Magma propane grill ProNautic P 30A battery charger (2019) 2 AGM Group 31 Dual Purpose Batteries (2019) 30amp galvanic isolator and breaker (2018) Edson pedestal Teak table in cockpit Dinghy davits (no dinghy) Mounting block for small engine Deck stepped mast with steps
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)
Alden design #1000. Clifford Swain, who drew the lines for this yacht, was chief designer for the Alden firm at this time. Available with standard or dinette interior (shown here).
(Thanks to ‘Snurrbart’, for providing updated information.)
Keel/CB version: BU: 3.75’; BD: 9.0’
Also available as a yawl.
I: 38.66’
J: 13.55’
P: 33.92’
E: 15.60’
PY:17.00’
EY: 6.75’
Total SA: 584 sq.ft.
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