Seller's Description
Searunner34 - Build in 1983 plywood/epoxy - Tohatsu 9.8 4stroke sail pro main engine/new in 2023 - Full battened Mainsail on a boom furler - genoa on roller furler - hank on jib spinnaker and stormsail. - Dodger and Bimini. - 2 30gal fresh water tanks - 25 gal fuel tanks - Depth sounder - Garmin Chartplotter - Standard Horizon Vhf with Ais, - Autohelm wheel pilot - 9.8 inflatable dinghy/new in 2023 with tohatsu 6hp 4stroke - 280w solar power - 450Ah trojan 105 / new in 2023 - honda generator 2000eu - 33lb mantus anchor with 150ft 5/16 chain - second anchor is a 33lb rocna with 50ft 3/8 chain - danfort 30lb with 15ft 3/8 chain and rode as a stern anchor. - Two flame propane stove - Waeco 12v portable fridge/50ltr - two double berth, Matresses new in 2023 - marine head jabsco manual. I have lived and sailed on my Trimaran for the last10 years permanently and sailed it thru the panama canal. The boat is always bone dry and at present in the Sea of Cortez/Mexico and ready to sail. If you have more questions, feel free to ask…. Armin
Specs
- Designers
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- Builders
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- Associations
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- # Built
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- Hull
- Trimaran
- Keel
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- Rudder
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- Construction
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Dimensions
- Length Overall
- 33′ 11″ / 10.4 m
- Waterline Length
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- Beam
- 20′ 11″ / 6.4 m
- Draft
- 2′ 11″ / 0.9 m
- Displacement
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- Ballast
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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
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- P
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- E
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- Air Draft
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Foresail
- Sail Area
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- I
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- J
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- Forestay Length
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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
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- Engine Hours
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Accomodations
- Water Capacity
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- Holding Tank Capacity
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- Headroom
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- Cabins
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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
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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
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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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