Seller's Description
This is the newest old boat on the beach.Sails are 1985 NOS they have been raised about 6 times! and are beautiful! Always stored indoors. Mast is a refurbished all aluminum original Hobie 18 stock height, with rotator reinforcement. Tramp is very new with a large zipper pocket Wing tramps are 4 seasons old with drink pockets Wings are original SX wings that have been refurbished with new welds and paint. All blocks are new Harken. All sheets are new All shrouds are new tripple trapeze new chain plates are new (I have another new set as well) Spinnaker is rigged on a roller furler. Spin. pole is carbon fiber. Honda 2.4 hp outboard with rebuilt carb - runs perfect! Starts with 3 pulls or less, cold or hot, pushes the cat at about 5 kts. New Cheeta mount. Original Hobie light blue hulls with reinforcements for the wings. New Ausi rudder gudgeons New Ausi rudder system - latest version fiberglass rudders aluminum trailer with DOT fat beach tires (no sinking into the beach) lifejacket box on trailer - new All lifejackets a few seasons old, adults to kids Trap harness - Ronstan - used twice Gloves - two sets, Gill sail box on trailer - needs some work, but works fine and is secure. Varnished oak raised floor in cat box for circulation. large double swing wheel on trailer easy to move on grass LED lights on trailer. Lots of extra parts, extra boom, extra dagger boards. It is ready to go I will be sailing her until sold, If you want a ride let me know. We sail at the Ocean Springs Yacht Club in Mississippi. $8000 OBO, do me a favor and read the list one more time before making an offer.
Specs
- Designer
- Hobie Alter
- Builder
- Hobie Cat
- Associations
- ?
- # Built
- ?
- Hull
- Catamaran
- Keel
- Twin Daggerboard
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 18′ 0″ / 5.5 m
- Waterline Length
- ?
- Beam
- 8′ 0″ / 2.4 m
- Draft
- 0′ 7″ / 0.2 m — 2′ 5″ / 0.8 m
- Displacement
- 400 lb / 181 kg
- Ballast
- ?
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 240′² / 22.3 m²
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- 27′ 11″ / 8.5 m
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
- ?
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
-
70.9
>20: high performance
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
- ?
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
- ?
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
-
4.4
>2.0: better suited for coastal cruising
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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