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Topic: Gennaker


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  Gennaker - Wikipedia, the free encyclopedia
A gennaker is a recently-developed sail used when sailing downwind; it can be described as a cross between a genoa and a spinnaker.
The gennaker is a specialty sail primarily used on racing boats, bridging the performance gap between a genoa, which develops maximum driving force when the apparent wind angle is between 35 and 60 degrees, and a spinnaker, which has maximum power when the apparent wind is between 100 and 140 degrees.
A gennaker is optimal for a beam reach, while an asymmetric spinnaker is optimal for a broad reach or run.
en.wikipedia.org /wiki/Gennaker   (263 words)

  
 Thompson Yacht Design : T590 - yacht design, construction and fitting
The gennaker halyard is endless, running down through the centre of the gennaker, so as the crew pulls the centre of the gennaker to drop it, they are also hauling the halyard down - more on that later.
The gennaker is set up while still on the trailer: the crew hoists the gennaker first, then releases the halyard while hauling on the part of the gennaker halyard in the cockpit which is now the chute cord, to pull the gennaker into the chute, or tunnel.
To drop the gennaker, the crew releases the prod, which retracts automatically on its bungie, and hauls on the chute cord to bring the gennaker in through the tunnel.
www.tboat.com /T590-editorials.html   (2643 words)

  
 Sailing Magazine Archives
The gennaker is raised from a bag called a "turtle" which is hung from the pulpit.
Release the hank of the gennaker and attach the #1.
The gennaker is then repacked in the turtle in the same manner as the original packing instructions at the beginning of this article.
www.landsend.bc.ca /archives.htm   (3521 words)

  
 Using a Gennaker
One for the headsail and one for the gennaker or spinnaker.
Hoisting the gennaker on a broad reach is ideal.
Assume sail is full and you are reaching downwind, simply snuff the sail with the snuffer (or douse the sail), gybe the main and walk the gennaker to the other side of the boat, then open it again on the new course and tack.
www.cruisingdirect.com /UsingaGennaker.htm   (1781 words)

  
 Gennaker repair sorted aboard Cheyenne
The cuben gennakers are four years old and we have had problems with both of them this trip, despite their faultless history till now.
Dawn is just now brightening the gloom around us and the repairs to the big gennaker are looking fine, but we are going to have to remain cautious with the sail to the finish.
Traditionally most of the need for the big gennaker is in the trip down the Atlantic, and it is seldom used in the south.
www.ybw.com /auto/newsdesk/20040121111822ywnews.html   (1926 words)

  
 Melges Performance Sailboats - Zenda, Wisconsin
Gennaker sheets pass through (Photo 1) a 001 2.25 in block, 2600 57 mm Carbo block or Harken Ratchamatic® (depending on preference).
Then the gennaker sheet goes to the cheek block—Hexaratchet® 016 (3 in) and 015 (3 in cheek) in the middle of the cockpit.
Forward of the gennaker cheek blocks are the jib cheek blocks (Hexaratchet® 016 and 015).
www.melges.com /2005_m24_valenti_cockpit.html   (450 words)

  
 Sail Tip #72
Instead, a pendant, which places the whole sail higher off the deck, is sewn to the tack and attached to a shackle or a block and tackle at the bow.
The gennaker is primarily used to bridge the performance gap between a genoa, which develops maximum driving force when the apparent wind angle is between 35 and 60 degrees, and a spinnaker, which has maximum power when the apparent wind is between 100 and 140 degrees.
To summarize, a gennaker is optimal for a beam reach, while an asymmetric spinnaker is optimal for a broad reach and the spinnaker is best for a run.
www.offshore-sailing.com /eblast63/tip75/tip75.html   (480 words)

  
 SetSail.com - the serious cruising sailor's website
* Rigging a Gennaker on a Sabre 425
Hi, The gennaker tack can be set on the windward hull bow, or on a bridle or double tack line between the headstay and windward hull bow.
I think "Gennaker" was the name that North Sails used to describe their sail and Screecher might have been the name that Ulmer Sails chose (I could be wrong about this).
www.setsail.com /c_central/sail_advice/sail_advice.html   (9449 words)

  
 Rigging a Gennaker
The most common set up for the tack line is to position a snatch block on a robust part of the anchor platform forward of the pulpit.
There are a number of variations on the procedure for hoisting the gennaker, depending on how you store it.
1) Pack the gennaker in a spinnaker turtle bag with the tack corner at one end of the bag, the clew at the other end and the head in the middle.
www.cruisingdirect.com /RiggingGennaker.htm   (977 words)

  
 At sea. Day 6: Ellen "right on the edge" - bymnews.com   (Site not responding. Last check: 2007-10-20)
22 to 25 knots of wind...25 is the max for the gennaker, but I unrolled it anyway...we got the shift, greater than predicted.
Distance to go now is 695 miles, I’ve got to average 18.5 knots between here and the finish...doing 19 now...tonight when the breeze kicks in its going to be strong.
I’m going to try leaving the gennaker up furled...think it should be already if I get a good furl.
www.bymnews.com /new/content/view/661/90   (539 words)

  
 [No title]   (Site not responding. Last check: 2007-10-20)
During early night wind 30 kts and veering to West, set gennaker on pole again and sailed angle to wind, obtaining ESE course.
Gennaker on bowsprit, staysail, foresail, main staysail and mainsail.
Gennaker on pole, staysail, foresail, main staysail, main sail.
www.hollandjachtbouw.nl /html/news/transatlantic1112.htm   (962 words)

  
 5000 Handbook | Rigging & Tuning Guide   (Site not responding. Last check: 2007-10-20)
The weights are held under the aluminium retaining bar on the centre spine of the boat between the gennaker control cleats and the mainsheet cleat.
The sheets are the same as for a jib in that they pass behind the luff of the gennaker not around the front.
The gennaker halyard take up elastic runs from the aft pole support through the block 200 millimetre in from the outboard end of the pole, back into the boat and is attached to a floating block through which passes the gennaker halyard.
laser5000.lasersailing.com /handbook_rigging.htm   (1464 words)

  
 Gennaker Furling Systems
Groupama was 2nd in the multihull class using Facnor carbon and Facnor gennaker furlers.
Gennakers improve performance in calm seas and can be raised very quickly.
It's drum is fitted with waterproof sealed bearings and furls the sail more easily than the conventional drum.
www.eurospars.com /pages/gennaker.asp   (199 words)

  
 Topaz Tres Topper International Sailing Dinghy Boats
In the three sail set-up with a modern, highly advanced rig, fully battened mainsail, retracting pole and single-line hoist and drop gennaker system, the Topaz is every inch a top racing boat.
When you are out on the trapeze, gennaker launched and fully powered up, few sailing experiences will come close.
Yet the loads on the gennaker can easily be managed by young sailors even in a big breeze.
www.wet-windy.co.uk /2120_topaz_tres.html   (245 words)

  
 Harken: Anatomy of a Melges 24
The mainsail cunningham is a 3:1 tackle made of a 244 Micro fiddle and 235 Micro with shackle and becket.
The gennaker halyard cleat is mounted on an aluminum bracket supplied by Melges (Photo 2).
On the Melges, there are tricks on how to uncleat the gennaker halyard and improve douse performance.
www.harken.com /rigtips/melges24mastbase.php   (175 words)

  
 boats.com - Feature: Thrill Without Spill   (Site not responding. Last check: 2007-10-20)
His aim was to design a boat for intermediate sailors which would introduce the thrill factor without too much of the fright factor - in other words, gennakers made easy.
Although the set up of the controls means the gennaker crew has to move into the middle of the boat to work, he or she can kneel in front of the cleats to operate each line in sequence - Thompson's daughter, Kim, decided knee pads would be helpful next time.
Gybing was easy, although we managed one wineglass through not sheeting on quickly enough as we went on to the new board.To drop the gennaker, the crew releases the prod, which retracts automatically on its bungie, and hauls on the chute cord to bring the gennaker in through the tunnel.
www.boats.com /content/default_detail.jsp?contentid=14745   (2147 words)

  
 [No title]
Seldén is introducing a new gennaker bow sprit for deck assembly.
The bow bracket is a stainless steel ring with a polyamide (PA) inner lining through which you slide the bow sprit to active position.
When you are done with the gennaker, slide the bow sprit back and secure it to the aft pad-eye.
www.seldenmast.com /page.cfm?id=5581   (138 words)

  
 Sailboats For Sale - X3 Sailing Dinghy and Sailboats From Sail Extreme
Gennaker and jib packages are optional at additional cost.
Gennaker packages include gennaker, halyard, cleats, sheets, blocks, tailbag, foreguy system and bowsprit (the latter for X3 FUN only).
This 5m rig version offers faster, and more exciting sailing and is suitable for an adult and child or an individual with a minimum of 70kg body weight.
www.sailextreme.com /aboutx3.htm   (659 words)

  
 North Sails Oregon   (Site not responding. Last check: 2007-10-20)
Gennakers feature panels that are shaped along both the horizontal and vertical axis to produce a uniquely smooth flying shape that is both exceptionally stable and easy to trim.
The G-2 Gennaker, the largest and most powerful Gennaker made by North Sails, is designed to excel in light-to-moderate running and reaching conditions.
North's most versatile Gennaker is smaller and flatter than the G-2, but designed with the same forgiving shape.
www.northsailsoregon.com /crdownwind.html   (517 words)

  
 Sail Whisper's Log: Avalon, Santa Catalina Island
We flew the gennaker in the light winds, but we quickly discovered that the sail is happiest in at least 7 knots of wind if there is any swell running.
We snuffed the gennaker within 5 miles of Newport Beach and proceeded into the harbor under motor and mainsail.
Whisper's gennaker (or spindrifter, or asymmetrical spinnaker, or "big pretty sail").
www.sailwhisper.com /logs/news_20020815.html   (1322 words)

  
 Harken Yacht Equipment Catalog OnLine - Furling Systems Spinnaker Staysail & Gennaker Furling   (Site not responding. Last check: 2007-10-20)
Systems include a lower drum with snap shackle, fairlead and Cam-Matic cleats and an upper swivel with provision for halyard attachment.
Gennaker furling was developed for large singlehanded boats and huge ocean going multihulls.
The 1900 Gennaker furler is ideal for drifters and reachers on multihulls to 45' (14 m).
www.harken.ru /6/ssgf.htm   (314 words)

  
 The Maryland School of Sailing & Seamanship
After these discussions the crew enthusiastically launched the gennaker at 1010 and we began to make some good speed on a course of about 130 degrees with winds out of the SSW at 10-12 knots.
An assessment of the wind conditions as we cleared the Bermuda land mass reveal WSW to SW winds which would be favorable for a gennaker reach, at least for a while.
The gennaker tack pennant parted sending this huge sail into an uncontrolled flap out in front of the boat in the 15 knot breeze.
www.mdschool.com /bermuda_1999_tealmonday.htm   (11170 words)

  
 BoatU.S.: Practical Sailor Gear Reviews and Articles   (Site not responding. Last check: 2007-10-20)
The only difference is that the cruising boat is more likely to use an asymmetrical “gennaker” style downwind sail than the conventional symmetrical spinnakers used by most racing boats.
In addition, the cruising boat may want to set a headsail on the pole for deep running or for heavier air, when the gennaker may not be the right call.
Unfortunately, most cruising spinnakers are at their best at apparent wind angles of 120° to 140°—just about as deep as you can jib-reach in the same wind velocities.
www.boatus.com /reviews/sail/articles/4163-1.asp   (160 words)

  
 Untitled   (Site not responding. Last check: 2007-10-20)
In order to race against PHRF boats using symmetric spinnakers, the standard asymmetric reaching spinnaker had to be redesigned to allow the boats to sail deeper angles.
The TrueMax gennaker is a direct result of the early racing asymmetries designed for the J/105, J/130 and Melges 24.
The luff was made longer, the draft was moved higher and the head of the sail was made bigger.
www.monmouth.com /~nsnj/crusegenaker2.htm   (359 words)

  
 Gennaker & code 0 furlers - Facnor
Facnor Gennaker and Code Zero furlers are used by the most demanding ocean racing teams in the world and are becoming standard equipment on a wide variety of boats.
Large Gennakers, Code Zeros, and Staysails are easy to handle using Facnor Gennaker and Code Zero furlers.
Either racing or cruising, the gennaker furler is the perfect complement to the Jib furler.
www.facnor.com /uk/products/gennaker__code_0_furlers/default.asp   (191 words)

  
 Luna Rossa Races in Challenge for the Louis Vuitton Cup 2000
He veers off in the middle of the spectators to effect the change of gennaker, then goes in hot pursuit...
Cayard per ammainare il gennaker rotto ed issarne un'altro si rifugia fra le barche del pubblico.......e, cambiato il gennaker, si lancia ad una rimonta che ha dell'incredibile arrivando alla seconda boa di poppa con un vantaggio di 1'23".
Puis la douche froide (apparente): le gennaker se déchire et Cayard prend la route hors du bassin de compétition, en plein milieu des spectateurs, pour effectuer le changement.
luna-rossa.com /lrraces/2000/01/27   (989 words)

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