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General condition and any additional information
Beautiful 1987 Irwin 38. In the water and ready for her new owner to enjoy and cruise the world.
Extensive list of upgrades, replacements, and improvements.
2022 - Full survey done Rig out and inspected Lightning diffuser New spreader light Copper Coat bottom touched up and wet sanded to 400 Any remaining blisters fixed with epoxy New Tides Marine rudder shaft seal Skeg bracket through bolted Topsides wet sanded to 3000, Coconut oiled, and waxed 2 new Lewmar hatches in salon New exhaust hoses on Yanmar 4JH3E 6 coats of Epiphanes varnish in salon and galley New 3gph Shurflow fresh water pump New Sony stereo
2021 - All raw water hoses replaced on engine New fuel lift pump New shaft seal Heat exchanger Barnacle busted New graphite shaft stuffing New engine hour counter (was at 2178 when I purchased) New battery bank (lead acid) New gear shift cables New 3000 watt inverter New shore power connections New Jabsco manual toilet in forward head New Lifeproof tile in forward head 5 coats of Epiphanes varnish in forward head New stainless counter top on galley island New Whale hot water heater and hoses New Rule 3700 bilge pump and float switch New Mermaid 16k BTU air conditioner and air ducts New march pump for AC New Vitrifrigo compressor, cold plate and Starboard fridge floor 2 new macerators for fore and aft holding tanks
2018 - New standing and running rigging New LED masthead light New B and G Triton package New USB charger on pedastal New motor mounts, shaft, cutlass bearing, and Shark rope cutter Engine aligned with shaft Mast Awlgripped Matterhorn White New Cabrera spreader lights New mast wiring Leather stitched spreader boots 3 new through hulls (2 available for a water maker) Foredeck and starboard side deck re-cored with Corecell and glassed with 1708 Deck re-gelcoated white Windlass serviced and mount reinforced with G10 backing plate Windlass rewired and new battery New bow cleats reinforced with G10 backing plate New Lewmar forward hatch New Triton propane controller New aft berth cushions
2017 - New Masterflush 8100 electric toilet in aft head New 18 gal holding tank for aft head New teak and holly cabin sole New Victron battery monitor and solar controller New wind generator guts New salon cushions Diesel tanks polished and inspection ports added 4 new Newfound Metals stainless opening ports (forward) Items done before my ownership (prior to 2016) - Salon windows replaced Force 10 stove Led interior lights Icom radio M423 Mastervolt battery charger Dinghy davits (off boat at moment but included) Quantuum stack pack and mainsail Doyle 110% jib 120 3/8 chain to 70 5/16 chain to 100 of 1/2 nylon anchor rhode 270 watts solar (2x200 watt panels new not installed included) Harken headsail furler Max Prop.
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)
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