Nacra F20 Carbon Assembly & Rigging Manual Download Page 8

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Step 5.

After hand tightening the bolts, work your way around the boat and tighten

all the beam bolts to about 24 Nm on the torque wrench. Do not exceed the
recommended 24 Nm as over tightening results in damaged threads.

1.3.2 Fixing the mast rotation cleats

Get the two mast rotation cleats from the rigging box and screw them in the
pre drilled holes in the hull, which are located about 80 cm behind the front

beam.

1.3.3. Mounting the staymasters

Mount the staymaster onto the hull with the bolt and nut. Make sure the nut

is inboard. Tighten it firmly, but make sure the staymaster is still able to turn

a little.

Step 5

Placing the side stay adjusters

Fixing the mast rotation cleats

Summary of Contents for F20 Carbon

Page 1: ......

Page 2: ..._________________________________________________________ 15 1 5 1 Fixing the snuffer ring and shute __________________________________________________________________ 15 1 6 Mast ____________________...

Page 3: ...9 2 2 Rigging the boat ___________________________________________________________________________________ 50 2 2 1 Spinnaker pole _____________________________________________________________________...

Page 4: ...________________________________________ 67 3 4 Side stay tension ___________________________________________________________________________________ 67 3 5 Rudder rake________________________________...

Page 5: ...anual If you take your boat out of the box you have to begin with the Part 1 Assembly In that section the whole boat is being pre pared for Part 2 Rigging If you get your boat on the trailer and your...

Page 6: ...il Forestay Wire supporting the mast in aft direction Located in front of the boat Goose neck A fitting used to connect the boom to the mast Halyard Rope used to raise or lower sails Head The top of t...

Page 7: ...g the right way The front beam has a jib track mounted which should be on top and facing the front of the boat The rear beam has two eyelets mounted on the back which should be facing the back of the...

Page 8: ...rotation cleats Get the two mast rotation cleats from the rigging box and screw them in the pre drilled holes in the hull which are located about 80 cm behind the front beam 1 3 3 Mounting the stayma...

Page 9: ...g procedure MUST be completed with the mast taken off Step 1 Unscrew the nuts above and under the front beam on the dolphin striker pin Make sure there is exactly 25 mm between the top of the front be...

Page 10: ...ing line To do this tie one end of the aft lacing line to a button which is located the most right or left of the rear beam it does not matter on which side you start With the other end of the line we...

Page 11: ...11 Step 4 Tighten the rear lacing line firmly and then tie it down at the end Step 3 Step 4 Step 4...

Page 12: ...d When moving to the next trampoline spanner it is important to run the lacing line under the part of the line which came from the previous spanner look at the pictures Re peat this process and tie th...

Page 13: ...the box Step 2 Put the aft trapeze shock cord through the trapeze hole in the hull and tie a knot on the outside to prevent the shock cord from getting through the hole again Step 3 Go under the tram...

Page 14: ...aker block Take a block from the box and tie it onto the trampoline using a small rope Make sure you do two loops Look at the picture for the location Spinnaker block Make sure to do two loops and tig...

Page 15: ...innaker pole It is quite convenient to mark the 135 cm point on the spinnaker pole with a pencil Step 4 Make sure that the snuffer ring is facing slightly down on the spinnaker pole and then drill two...

Page 16: ...bolt and metal washer diamond wires and grease out of the box It is preferable to place the mast on supports this makes it easier to build the mast Step 2 Grease the threads of the diamond wires and...

Page 17: ...ond wire at the end and let the other person turn the diamond wire in the brass diamond adjuster block You may have to use pliers since the diamond wire thread is slippery due to the grease Don t forg...

Page 18: ...n on the diamond wires since we still have to attach them in the top Step 6 Push the mast base in the mast Step 7 Screw the two screws on the left and right side of the mast into the mast foot Put a p...

Page 19: ...r Then bend the dia mond wire connector to the mast again 1 6 3 Spreader arms Step 1 Take the forward and aft spreader bars and spreader bar adjuster screws from the box Grease the thread of the sprea...

Page 20: ...s the pre bend of the mast We will discuss and measure this later in the manual Step 4 Attach the spreaders to the mast with the clevis pins and rings Make sure the rings are on the bottom Don t forge...

Page 21: ...the spreader rake by placing a sail batten or something else on the diamond wires directly besides the spreader arm Then measure the spreader rake with the tape measure The pre bend should be between...

Page 22: ...www nacrasailing com 1 6 4 Making sure the mast is straight Step 1 After the mast is assembled have a look from the mast base along the mast rail to see if the mast is straight If it is skip this par...

Page 23: ...side Tie a figure 8 knot to prevent it from sliding back again Step 2 Take the other end of the spinnaker bale line and take it through the middle of the block Step 3 Go around the mast with the spinn...

Page 24: ...sure the tape covers the area of the mast when the block is pulled down by the spinnaker 1 6 6 Mainsail halyard Step 1 Mount the wheel for the mainsail halyard in the top of the mast with a clevis pin...

Page 25: ...ep 3 Tie a figure 8 knot at the bottom of the mast and tie the other end of the halyard to the eyelet on the metal halyard locking ring Do this with a figure 8 knot Tie everything to the mast Step 3 S...

Page 26: ...the shackle to the mast hound in the bottom hole Use plastic washers on both sides Tighten the shackle firmly and secure it with some thin wire to make sure it does not come off Put some tape around t...

Page 27: ...Take all of the parts from the box Step 2 Take the trapeze line from the trapeze hook through the trapeze block Make sure that you put this line through the side of the trapeze block where the distanc...

Page 28: ...rapeze wires Step 1 Take the other shackle two trapeze wires 4 plastic washers and 4 adjusta ble trapeze units for the race package we just assembled them but for the standard type we do this in step...

Page 29: ...e bottom of the trapeze wires Tigh ten all the shackles firmly and put tape around them 1 6 11 Cleats Step 1 Attach the two cunningham cleats on the mast Step 2 Attach the spinnaker cleat on the mast...

Page 30: ...st base as shown on the picture Make sure the lines don t cross In the end you should have two ends on both sides of the mast coming out of the cunningham cleats Step 2 Take the short cunningham line...

Page 31: ...er of the eye screw The basic setting is fully screwed in so no visible thread See the trim sheet for tips To adjust the rudder rake the angle which the rudders make under the boat it is possible to s...

Page 32: ...top Don t put the phillips screws in yet because we need to align the rudders Step 6 Lock the rudders in the down position Look at the pictures for instructions It s the same when you re out on the w...

Page 33: ...g edges of the rudder blades The trailing edge should be 2 mm more out than the leading edge Move the rudders in or out to attain the right measure ment Step 6 Locking the rudders part 2 The rudder is...

Page 34: ...rubber rod to lock the position Make sure the length of the rubber rods on both ends are about equal Step 9 At last you can adjust the sliding bolt to adjust kick up tension We recom mend the setting...

Page 35: ...do this for the other side Step 4 Tie a spinnaker tension shock cord to the middle of the spinnaker sheet Ma ke sure the knot can not move so tighten it properly Step 5 Take the other end of the shoc...

Page 36: ...ox and put both ends through the two holes in the trampoline Tie a figure 8 knot to the end in the middle of the trampoline underneath the tramp The right end of the tack release line can hang under t...

Page 37: ...der the trampoline With the tack line go through the block under the front beam then go through the tack release ring then go through the tack line cleat and then through the block near the middle of...

Page 38: ...p 4 Go through the pulley on the jib track with the thin jib sheet Step 5 Put the rest of the jib sheet in the bag in the trampoline We will do the rest when the spinnaker pole is being mounted in the...

Page 39: ...line Step 3 Go through the big hole in the middle of the trampoline and put the rest of the line in the trampoline bag We will do the rest when the mast is raised in the rigging section 1 8 6 Rightin...

Page 40: ...g line from accidentally sliding through the hole while sailing Step 3 Put the rest of the line in the trampoline bag 1 8 7 Mainsheet Take the mainsheet and the two mainsheet blocks from the box Put t...

Page 41: ...41 Mainsheet Mainsheet Mainsheet Mainsheet...

Page 42: ...on the Nacra F20 Carbon are made out of one single rope Take the loose end of the main sheet and put it through the cleat and the blocks on the traveler cart Step 2 Tie either of the twin ends to one...

Page 43: ...in the picture Don t forget to tape the rings Step 3 Take the mast and place the mast base on the trampoline near the mast ball on the front beam Support the back of the mast to prevent is from scrat...

Page 44: ...he mast belongs to the crew and the one that is most on the back of the mast belongs to the helm The trapeze shockcord which comes out of the two sides of the front beam belongs to the crew and the on...

Page 45: ...rough the spinnaker hoist block Step 2 Go through the gap in the right rake adjuster bars with that same end Go through the slot at the starboard side of the mast Step 3 Go to the top of the mast and...

Page 46: ...overhead wires and be sure the area behind the boat is clear of people A mast which comes in contact with electrical power lines can cause serious injury or death Step 2 One person takes the top of th...

Page 47: ...p as well Be sure to hold the mast base on the mast ball with your foot Step 5 The person who is lifting the mast steps on the trampoline while lifting the mast It is important that the person at the...

Page 48: ...with a clevis pin When you do this for the first time fit the clevis pin in one of the holes We have to check the mast rake now Check the tuning guide for tips Step 6 Step 5 Step 6 CAUTION Check for...

Page 49: ...rson stands on the trampoline and pushes the mast forward while holding the mast at right angle with the front beam The other person takes out the clevis pin from the forestay adjuster while holding a...

Page 50: ...pole bridles that are attached to both hulls Then put it on the spinnaker pole pin on the front beam Make sure the jib sheet is on top of the spinnaker pole Step 4 and 5 Support the mast CAUTION Check...

Page 51: ...ront end of the spi pole to the hulls with two clevis pins Don t forget to tape the rings Also take the spin pole line and tie it to the spinnaker pole in front of the spinnaker shute look at picture...

Page 52: ...r end down to a pulley on the jib track Take the end from the trampoline bag and put it through the pulley on the spinnaker pole Step 2 Tie the jib sheet down to the pulley attached to the on picture...

Page 53: ...d of the jib traveler should already be attached to the jib track Take the other end through the clamcleat on the beginning of the spinnaker pole 2 2 5 Cunningham Step 1 Take the two ends of the cunni...

Page 54: ...boom and connect it to the boom connector on the mast with a phillips screwdriver 2 2 7 Mast rotation Step 1 We previously put the one end of the mast rotation line in the trampoline bag and tied dow...

Page 55: ...ase Step 2 Take the end which goes through the spinnaker hoist cleat and take it through the pulley in the front of the trampoline Step 3 Then go through the cleat at the back of the trampoline which...

Page 56: ...he spinnaker shute and then go through the snuf fer ring Tie the end down to the spinnaker pole Tie the other end to the spinnaker pole Step 6 Take the spinnaker shute and attach the two shockcords to...

Page 57: ...he ring as shown on the picture It is best to fix the spinnaker on the port side of the boat Step 2 Follow the leading edge of the spinnaker then take the head of the spinna ker and tie the spinnaker...

Page 58: ...e all the bridle wires 2 3 2 Raising the jib Step 1 Take the jib halyard and make sure the halyard is not tangled or turned It should be running free to the halyard ring in the top of the mast Step 2...

Page 59: ...hen close the zipper completely Step 6 The jib cunningham can be adjusted on both sides of the boat by a black rope coming from under the trampoline near the front beam From there it runs through a cl...

Page 60: ...b a bit Then hold the jib in position with one hand and pull on the other side of the halyard to twist the S hook Then pull down the jib When you do this properly the S hook will go through the ring a...

Page 61: ...the sail and tie a knot as shown on the picture Step 3 Pull on the two batten tension lines with the knot in it and just get rid of the wrinkles in the sail It is not necessary to over tension the ba...

Page 62: ...ne pulling on the halyard Step 3 When you reach the top of the mast the ring slides over the mainsail lock and you should be able to hear a click Make sure the mast is facing the sa me way as your sai...

Page 63: ...mpoline bag and take the cunningham off the sail Also take the tack out of the mast rail It is best to be with to people again one person at the mast and the other behind the trampoline with the halya...

Page 64: ...ulls the sail down Twisting the mast like this will unlock the ring Step 4 As you are pulling the sail down it is best to roll up the sail at the same time Step 5 When the sail its totally down and ro...

Page 65: ...haul line and tie a 8 knot on one end Take the other end through the hole in the clamcleat on the end of the carbon boom Then go through the sail and pull the line through the clamcleat Tie a figure 8...

Page 66: ...he extended trapeze wire to the transom and see where it touches It should touch the transition from transom to deck Step 4 To put your mast forward or aft first loose the side stays Then adjust the p...

Page 67: ...have a bit of sag 3 5 Rudder rake You turn the adjustable eye that is screwed into the lower rudder casting fully in 3 6 Front beam pre bend There should always be pre bend on the front beam This is d...

Page 68: ...lace If the leak is from fiberglassed area no fittings this should be reglassed to insure proper permanent bonding sealing Masts should be regularly inspected for water tightness and diamond wire wear...

Page 69: ...services that authorized Nacra dealers can provide New Nacra catamarans fully assembled Nacra Inter and Prindle catamaran parts and accessories Expert advice on boat rigging repair and maintenance A d...

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