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The owner bought this boat in 2009
Standard features
Well kept 40 foot Oday used in fresh water only. Lots of nice equipment, auto pilot,inverter/charger, newer frig compressor, yanmar 50 hp., new volvo dripless shaft seal, new batteries, Mac Sail genoa (2014), recondition main, barrier coat done in 2014, 3 blade maxprop, Garmin 173 chartplotter 2014, large cockpit, windless, roller furling headsail, Dutchman main flaking system, led lights
Improvements to the hull, deck, rigging, engine, or interior
Sole replaced with mahogany.
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)
Based on the SUN FIZZ 39 > O’DAY 39 by Briand, with modifications by Hunt Associates. Differences from the O’DAY 39: Extended ‘suger scoop’ stern, different interior layout.
Shoal draft version:
Draft: 4.90’ / 1.49m
Displacement: 18500 lbs./ 8392 kgs.
Later models (> hull #135) have taller rig.
I: 52.00’ / 15.85m
J: 15.25’ / 4.65m
P: 46.00’ / 14.02m
E: 13.25’ / 4.04m
See O’DAY 40 +135 for some slightly different specs on later boats.
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