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The Corsair F-31 RS One Design Trimaran is the ultimate boat for high performance and maximum flexibility. The outside amas easily fold in for little space in marinas and roadtrailering to any destination. Even shipping wordwide in a container is possible. Set up is very easy and no crane needed, stepping the mast and folding out the amas is accomplished in two hours and you are ready to go. Averal cruising speed is above 10 kts. even upwind. 15 kts and more are no problem. Almost all lines leading to the cockpit, short handed and even one handed sailing is very easy and stressfree. 5 Winches / lots of strong cleats / all halyards with dyneema-core (2012). This very special Corsair F-31 RS One Design is an original Ian Farrier design. Probably one of the last and best build 31s. The 31 OD / One Design Tris were a special and limited edition with special carbon race daggerboard and rudder, carbon beams, amas specialbuild without edges for less weight and better water- and sailperformance ( and best looking ). The original limited serie was only for dayracing and minimum comfort. This special Tri was build originaly for the corsair manager in 2009 on individual request. She is a custom combination of the 31 RS and 31 OD and has the best available insidedesign with comfort for familycruising and is still very light for racing. Actually there was only one boat ever build in this perfect OD and Cruising Combination. Probably, because of build for the Corsair manager, also one of the best assembled. Zig Zag is THE ONE of this kind worldwide. History of Zig Zag. Because of changing the managers, Zig Zag was sitting at Corsair Marine the first year. Second year as showroorm-demoboat of a Corsair Dealer. No water until 2011, first owner, who almost never sailed her. 2012 I bought her and furtheron Zig Zag was also only sailed / watered less then 4 weeks per year. Rest of time under a complete cover on hardstand and fulltime serviced.
www.corsairsailing.de
Equipment: youtu.be/CtF-W5oNLpk
youtu.be/kYSncffNfhM
North Norlam cruising laminate mainsail, one North hangdesign jib, one North zipperdesign jib with bartels endless cockpitfurling , North gennaker with two stage sock for easy set up, North reacher with endless cockpitfurling. All Sails new from 2012 with very little sailingdays. Always taken off, serviced and drystored. Carbon Bowsprit with Colligo Dyneema Tiedown. 2012 new trampolins black edition. Main Sail redesigned from rolling boom to strongtrack sliding system with lazy-jacks and lazy backs. 1 to 2 halyard with dyneema core for easy and safe handling. Main down in seconds! Rollingboom for storing sail still usable. Third Reef added for save and comfortable sailing. Turning mast with cunninghum. Complete set for one handed dropping and storing mast on board included. New and not yet attached Colligo synthetic throuts with all aluminum attachingparts. Flux-Gate-Compass, Advansea depth, speed, temp. Lowrance GPS Plotter. ICOM Marine UHF with mastantenna. Pioneer CD radio with waterproof speakers in cockpit. All lights incl. top and navigationlights LED. Daggerboard and rudder can be fully retracted. Draft is less than 6’. Beaching and slip to trailer easy possible. Honda BF 20 ultralong outboard 2012 new ( about 250 hrs. ), professional serviced every year. Electric and pullstart. 20 hp and same weight as BF15. Spare holdingbracket for a dinghy outboard. Extra long tiller extensions. Spacious V-berth with and under-mattress storage. Two sleepingpossibilitys in the saloon. Total sleeps 4 easily. Plenty of storingspace. Easy to access pumpout Porta Potty. XL (160 -180 L) stainless steel water tank with levelgag and freshwaterpump. Deckshower, stainless sink. Stove alcohol or spiritus. Electric system added in 2012 with landcharger 15 amps. Outboard generator 15 amps. AGM battery 2015. Plenty of energy to come around without marinas. Easy to access compressor fridge with extra thick insulation under the steps. Bimini. Two piece, off and on water easy to attach, almost complete sun- and weatherprotection canvas. Adjustable table for saloon and cockpit. Boat comes including pot and pan, automatic lifewests, flares, docklines, fenders ( with socks ) toolbox and plenty of spareparts. Fortress alumium anchor plus spare anchor with chains and ropes. Zig Zag is in excellent condition and absolutely unique. Just hop on and go for it. Best timing / deal for a new owner. After I bought in 2012 . throwing lots of time and very much money to improve as much as possible and get to the best conditions. . and now selling because of too little time. Full Service Hardstand ( next to Ao Po Marina ) can be taken over by buyer on Phuket / Thailand. In my opinion the best, full year around, very safe sailingspot on the planet. Thai-VAT paid and thai-registrated and insured by ( german ) owner. Shipping worldwide in container possible and affordable ( separate costs on request ). Money in Zig Zag since originally build.over 200.000 USD.
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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