Seller's Description
Our Seafinn 41 is looking for the next adventurous soul to take her wherever you want to go! This boat is in excellent condition and in addition to the regular specs, the following projects have been completed. We have kept up on regular maintenance. Motivated to sell!
Recent improvements:
Teak decks completely restored in 2018
All deck fittings removed, restored and rebedded in 2018
Standing rigging serviced and tuned in 2018
Main mast rewired including LED anchor light replacement - in 2019
Mast plate installed - in 2018
Windlass serviced and restored - in 2018
New 12volt panel in 2018
Galley remodel (new corian countertops, new fridge, new stovetop, new sink and faucet) in 2018
New automatic propane shutoff in 2018
Rear head remodel (new shower sump, new fixtures, new sink and faucet, new Tacma electric head installed) in 2018
New custom black water holding tank (24 gallons) with tank monitoring system in 2018
New canvas in 2018
New alternator for engine battery in 2018
Transmission rebuilt in 2017
New raw water pump in 2018
New engine battery 2018
New house batteries 2017
Electronics updated (Raymarine Sea120) in 2016
2 New, 30 amp Smartplug installed 2016
Websasto diesel forced air heater installed in 2017
Equipment: Specs:
Vessel Name: COCO MAR
Home Port: Bellingham, Washington LOA: 433 LWL: 359 Beam: 1110 Draft: 51 Builder: Kaarina Yachts, Finland Type of Vessel: Seafinn 411
Model Year: Displacement: 1989 24,400#
Hull: fiberglass
Fuel: Diesel
Engine: Perkins 4.236, HP: 85
Indicated Hours: 5292
Steering: Hydraulic
Type of Equipment: Rudder Description: Material: FRP cored
Hydraulic steering Bilge Pumps: Manual bilge pump, (1) 12VDC remote mounted diaphragm type auto/manual switched
Holding tank: new 24 gallon holding tank with manual pump out pump, and a deck plate.
Fuel tanks 2 - Capacity: 200 gallons reported Material: Stainless steel
Fresh water: 120 gallons reported
Heater: HL 32 Webasto diesel fired forced air heat. Also, engine coolant heater, fan forced
Batteries & Voltage: (2) L16 6V deep cycle wet
Specs
- Designers
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- Builders
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- Associations
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- # Built
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- Hull
- Monohull
- Keel
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- Rudder
- ?
- Construction
- ?
Dimensions
- Length Overall
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- Waterline Length
- 134′ 6″ / 41 m
- Beam
- 36′ 1″ / 11 m
- Draft
- 19′ 8″ / 6 m
- Displacement
- ?
- Ballast
- ?
Rig and Sails
- Type
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- Reported Sail Area
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- Total Sail Area
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Mainsail
- Sail Area
- ?
- P
- ?
- E
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- Air Draft
- ?
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
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- Model
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- HP
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- Fuel Type
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- Fuel Capacity
- ?
- Engine Hours
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Accomodations
- Water Capacity
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- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 3
Calculations
- Hull Speed
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Hull Speed
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.
Formula
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
- Sail Area/Displacement
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Sail Area / Displacement Ratio
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.
Formula
SA/D = SA ÷ (D ÷ 64)2/3
- SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D: Displacement in pounds.
- Ballast/Displacement
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Ballast / Displacement Ratio
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.
Formula
Ballast / Displacement * 100
- Displacement/Length
- ?
Displacement / Length Ratio
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.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
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Comfort Ratio
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.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
- ?
Capsize Screening Formula
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.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
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