prindle 18.2 catamaran

PRINDLE 18-2

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• Performance Catamarans Manuals
• Prindle 18-2
• Owner's manual

Performance Catamarans Prindle 18-2 Owner's Manual

• page of 41 Go / 41

Table of Contents

• Preparation
• Deluxe 4-Way Jib System
• Standard Jib System
• Tiller Crossbar
• Tiller Extension
• Rudder Blades
• Rudder Lock Bolt
• Adjusting the Helm
• Rudder Alignment
• Diamond Wires
• Main Halyard
• Hoisting the Mainsail
• Mainsheet and Traveler
• Righting Line
• Tightening Rig Tension
• Downhaul Systems
• Trapeze Positioning
• Loosening the Rig
• Lowering the Sails
• Dolphin Striker
• Foam/Fiberglass Battens
• Outhaul Systems
• Mast Rotation
• Barberhauler
• Glossary of Terms

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• 1 Deluxe 4-Way Jib System
• 2 Rudder System
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Summary of Contents for Performance Catamarans Prindle 18-2

Page 2: table of contents, page 3: preparation.

• Page 4 If the 3/88” bolts bind at all, remove the bolts and check fit of bolt without the beam on. DO NOT force bolts as you could strip out the alu- minum plate inside the hull. If the bolt con- tinues to bind, use a 3/8-16 tap and rethread the hole to rectify the problem.

Page 5: Trampoline

• Page 6 Center the trampoline in the front. Lace up the back of the trampoline with 1/4" x 19’ lac- ing line. Begin by tying a double overhand knot in one end of the line and thread through the right/aft grommet. Slide the sides down each side of the trampo- line track.
• Page 7 Always tighten rear lace line first. Stand at the Tighten starting at the front. back of the boat and tighten lines by bracing your foot or knee on the rear crossbar for leverage. Pull tight. Tie line off under trampo- line.

Page 8: Standard Jib System

• Page 9 Shackle the jib blocks to each of the two bul- The jib blocks have a ratchet which can be let blocks on the crosswire. turned off and on by using the button on the side of the block. Adjust the cleat angle as high as possible using the side set screws.

Page 10: Jib Sheet

Page 11: rudder system, page 12: rudder blades, page 13: rudder alignment.

• Page 14 CAUTION!!!! Check for overhead wires before raising mast. A mast which comes in contact with electrical powerlines can cause serious injury or death. Prindle 16 mast step hinge in use Prindle 15 mast step hinge in use...
• Page 15 Stand on trampoline with one foot on rear crossbar to steady yourself. Prindle 18 mast step hinge in use...

Page 16: Diamond Wires

• Page 17 Be sure to tape the locking nuts on turn- buckles after you have adjusted the wires so that they will not unturn. SAILING NOTE: The looser the diamond wires are the more the mast will bend and the flatter the sail will become (and vice versa).

Page 18: Main Halyard

Page 19: boom, page 20: downhaul, page 21: jib, page 22: righting line, page 23: tightening rig tension, page 24: reaching, page 25: trapeze positioning, page 26: onshore, page 27: tacking, page 28: balance, page 29: righting.

• Page 30 ing your boat, The skipper carry your jib bag should uncleat on board. Grab the main while onto the righting the crew uncleats line, scoop up a the jib. bag of water and hold it over your The crew should shoulder while reach around the leaning back.

Page 31: Section Iii: After Sailing

• Page 32 Roll tightly without (below the shrouds) 3 or 4 times. Cleat off any folds. If it is using the main halyard cleat. windy, put the jib under the hiking strap to keep it from blowing away while you lower the main. To lower the main on the Prindle 15 and 18, hoist the...

Page 33: Trailering

• Page 34 support on the trailer. Store hinge in down position. Place the top of the mast in the rear mast support making sure the mast does not extend beyond the rudder castings. Trailer the Prindle 15 and 18 with curf up to prevent damage to rear support padding and mast.

Page 35: Section Iv: Maintenance

Page 36: battens, page 37: hulls, page 38: mast rake, page 39: glossary of terms.

• Page 40 Rigging..lines, wires and spars used for support and operation of mast and sails Rudder ......wing shaped devies used to steer the boat Shackle .
• Page 41 Masthead Head Mast Leach Batten Diamond Wire Luff Spreader (18) Mainsail Forestay Jib (16 & 18) Clew Tack Boom Foot Front Crossbar Mainsheet Tiller Rudders Trapeze Wire Shroud Waterline Transom Keel Rear Crossbar...

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• Sailboat Guide

Prindle 18-2

• Description

Seller's Description

18’ Prindle Catamaran sailboat (18.2). Perfect working condition. Hulls are solid and sails are crisp. Twin trapeze. Never beached, and always stored indoors for winter. Comes with a dolly for launching. 2,495 OBO. This boat is amazingly fast and fun to sail. I do not have a trailer.

Rig and Sails

Auxilary power, accomodations, calculations.

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

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

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.

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 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.

Ballast / Displacement * 100

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.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

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.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

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.

CSV = Beam ÷ ³√(D / 64)

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• Prindle 18.2

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• Prindle 18-2/ 19

Prindle 18-2/ 19 Catamaran Trampoline - Bias Cut Mesh

• I have read the item description and agree to the stated build lead time. I understand that everything is built-to-order.

Product Description

Our heavy-duty bias cut mesh trampoline is very well built with these unique features:

• Bias cut one-piece design for uniform tension
• Rear lacing only with built in rear line catcher
• Two 12" x 12" pockets near mast base
• Adjustable hiking straps
• Made of high-quality and very durable trampoline mesh (8oz. polypropylene basket weave mesh)
• Sewn with large size V-138 UV-stabilized polyester thread (Teflon thread available for ultimate UV resistance)
• Heavily reinforced with 3" wide heavy-weight polypropylene webbing in grommet areas
• At least seven rows of stitching in high-load areas like where the side and back of the tramp laces up (compared to 2 rows from other manufacturers)
• Multi-layer construction in high-stress sections to better spread the load--at least three layers of mesh and a layer of webbing
• We personally pound each #4 spur grommet by hand (spur grommets are tough; they have 'teeth' that bite into the fabric)
• Aft grommets installed on 4" centers
• Large jib strop pocket for jib leads

• One-year warranty against defects in materials and workmanship
• Two Sections: main section plus the aft lace strip
• Two Halyard Pockets
• Hiking Straps

Available Options  (at an extra cost) :  

• Tenara Teflon Thread  - By adding this option to your trampoline order we'll sew your new SLO Sail and Canvas trampoline in Tenara Teflon thread by Gore. Tenara has a 15 year warranty in the sun. If you store your boat on the beach this is the best thing you can add to extend the life of your trampoline. Our standard thread is a V-138 polyester thread that is UV stabilized and will last 5-7 years+ in the sun. 
• Zippered Pocket  - A larger zippered pocket perfect to hold water bottles, lunch, or sunscreen. The pocket dimensions are roughly 15"x18" and 4" tall. Dimensions may vary slightly depending on the trampoline because of other things getting in the way of a bigger pocket such as hiking straps and lacing grommets, trapeze grommets, jib strop grommets etc. We put the pocket inboard of the hiking straps on Hobie 14 and Hobie 16's on the starboard side of the trampoline. Prindle trampolines will have the zippered pocket on the port side of the trampoline inboard of the hiking straps and opposite the standard halyard pocket we include on all trampolines.
• Lace Kit  - Pre cut 1/4" (and sometimes 1/8") line to lace up your new trampoline. Available in white or black.

Additional Info:  

CLICK HERE  to learn more about Tenara Teflon thread.

Watch the exciting video below to see SLO Sail and Canvas products (mainsail, jib, and trampoline) in action off of Ventura, California!

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