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If youre in the market for a comfortable and affordable sailboat, our ODay 39 is well worth considering.
This is a 3 cabin, 1 head boat. We purchased it in 2017 from a 3rd owner in Waukegan IL. Always been a freshwater boat. Built like a tank performance cruiser. Expect to average 6-7kt in good conditions on a crossing.
There is a possibility of taking over a mooring ball in Fish Creek which is an excellent base for exploring the beautiful Door County and beyond.
Last year alone, we spent over 2 months off grid living and cruising Door Co WI including over 3 weeks with another family. We have cruised all over Lake Michigan since 2020
Please contact me if you’re interested as I have many more photos and videos I could share.
Equipment: Regularly upgraded during our ownership, including: Cutlass bearing 2024 Garmin sensors & instruments speed/depth/temp wind speed 2023 All windows replaced, porthull gaskets & nets 2023 OpenCPN navigation with MaianaAIS transmitter & receiver 2023 OGO composting toilet 2023 Tankless propane water heater 2023 Complete plumbing with reverse osmosis 2023 Huge sink with pull down faucet and drinking water tap 2023 200AH lithium, 2000W inverter & microwave 2022 New dinghy & 2.5hp Suzuki outboard 2022 Most underwater thru hulls replaced 2022 New mattresses & cushions throughout 2021 New alternator 2021 Oversized Rocna anchor 2021 New mainsail, stack pack and storm jib 2020 New fuel pump & filters 2019 300W solar, charger & batteries 2018
Air Conditioning (present and functional but haven’t used in years) Water heater (present and functional but disconnected since the tankless install)
Sail inventory by age/use: Storm jib, Main, Asymmetrical, Jib, Genoa, Old main
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)
Built under license from Jeanneau. In France called SUN FIZZ. Both companies at the time were owned by Bangor Punta. Later redesigned by Hunt Assoc. as the O’DAY 40.
Shallow draft version:
Draft: 4.90’ / 1.49m Disp.: 18700 lbs./ 8482 kgs.
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