Nacra F16 User manual

Assembly manual
Dear Customer,
Welcome to the Nacra family. We wish to thank you that you choose for Nacra Sailing.
It’s our constant endeavour to provide you with products that oer excellent performance
throughout their ownerships period. Which is why, in addion to producing great catama-
rans, we have also set up an extensive dealer network around the world.
Naturally, these Nacra Dealers knows everything there is to know about your catamaran and
provides you with the best service possible. So please nd your dealer in your region on
www.nacrasailing.com for any servicing needed and make sure that only genuine spares are
used for your Nacra.
This manual will familiarize you with the operaon and maintenance of your new Nacra. It
will also provide you with the important safety informaon which should be read and under-
stood before moving on to the assembly manual. The Assembly & operang manuals of our
catamarans can be found under the ‘aer-sales’ buon on our website;
www.nacrasailing.com.
If this is your rst sailboat, or you are changing to a new type of sailboat you are not familiar
with? For your own comfort and safety, please ensure that you obtain handling and operang
experience before assuming control of the catamaran. Nacra Sailing or Naonal Sailing Feder-
aons or yacht clubs will be pleased to advise you about sailing schools or competent instruc-
tors.
When you have any query, please feel free to contact your local Dealer.
Happy Sailing.

Introduction
Welcome to the Nacra Family!
First we want to thank you for choosing one of our 4 high performance catamarans.
It’s our constant endeavor to empower sailiors with excellent catamarans that oer excellent performance throughout their
ownership period. Which is why, in addion to producing great catamarans, we have also set up an extensive dealer
network around the world.
Naturally, these Nacra Dealers knows everything there is to know about your catamaran and provides you with the best
service possible. So please nd your dealer in your region on www.nacrasailing.com for any servicing needed and make sure
that genuine spares are used for your Nacra.
For assembling your catamaran the right way and for technical support a clear assembly manual is needed. In the Nacra
racing assembly manual you can nd everything you need for; building your Nacra from out of the box, rigging your Nacra,
seng the sails and for further back-up informaon about assambling your Nacra. Please take your me to get familiarised
with all the parts and with our instrucon wrien in the assembly manual.
The Nacra racing assembly manual is meant for:
For specied tuning check our tuning guides on www.nacrasailing.com
Happy sailing.

Table of content
0. Tools ........................................................................................................................ 7
1. Plaorm assembly ................................................................................................. 8
1.1 Hull assembly................................................................................................... 8
1.2 Front crossbar pre-bend ................................................................................. 9
1.3 Trampoline .................................................................................................... 10
1.4 Trapeze shockcord ........................................................................................ 11
1.5 Righng line................................................................................................... 11
1.6 Mast rotaon.................................................................................................12
1.7 Spihalyard blocks ........................................................................................... 12
1.8 Spinnaker blocks............................................................................................ 12
1.9 Spin tack system ............................................................................................ 13
2. Mast assembly ..................................................................................................... 14
2.1 Diamond wires............................................................................................... 14
2.2 Spreaders ....................................................................................................... 15
2.3 Diamond tension ........................................................................................... 16
2.4 Spreader rake................................................................................................. 16
2.5 Spinhalyard .................................................................................................... 17
2.6 Main halyard..................................................................................................17
2.7 Fixing the stays .............................................................................................. 18
2.8 Jibhalyard....................................................................................................... 19
2.9 Cunningham system ...................................................................................... 20
3. Rudders ................................................................................................................ 21
4. Rigging .................................................................................................................. 22
4.1 Preparaon ....................................................................................................22
4.2 Raising the mast............................................................................................. 23
4.3 Lowering the mast ......................................................................................... 25
4.4 Snuerbag......................................................................................................26
4.5 Spipole ........................................................................................................... 27
4.6 Jibsheet .......................................................................................................... 28
4.7 Tackline/ cunningham/ boom ....................................................................... 29
4.8 Mastrotaon..................................................................................................29
4.9 Spinhalyard .................................................................................................... 30
4.10Spinsheet .......................................................................................................30
4.11Mainsheet 1:10.............................................................................................. 31

5. Seng the sails ....................................................................................................32
5.1 Spinnaker ....................................................................................................... 32
5.2 Raising the jib ................................................................................................. 33
5.3 Lowering the jib..............................................................................................33
5.4 Baens............................................................................................................ 34
5.5 Raising the mainsail........................................................................................35
5.6 Lowering the mainsail ....................................................................................36
6. Parts...................................................................................................................... 38
6.1 arrival of parts................................................................................................ 38
6.2 Rigbox ............................................................................................................39
6.3 Crossbar kit .................................................................................................... 40
6.4 Spreader aachment kit................................................................................ 40
6.5 Diamond adjuster kit ..................................................................................... 40
6.6 1:16 cunningham kit ......................................................................................40
6.7 Misc kit...........................................................................................................41
6.8 Rigging set......................................................................................................42
6.9 standard vs. Race .......................................................................................... 43

NACRA EMPOWERING SAILORS SINS 1975
0. Tools
1. Torque wrench
socket 1/2
socket 5/16 hex
4. Wrench 17 mm
3. Wrench 9/16
5. Wrench 22 mm
6. Allen tool 3mm
7. Flat Screwdriver
8. Philips screwdriver
2. Wrench 7/16 2x
9. long nose Plier
10. Pump Plier
11. “Loose” tension gauge: xed
12 Grease: waterght + lithium based

NACRA EMPOWERING SAILORS SINS 1975
1. Platform assembly
1. Place the starboard and port hull next to each other
and make sure that the hulls are facing the same way
2. Open the crossbar kit and grease the eight beambolt
inserts on the hulls.
use a big wheel trolley and sterns to level the hulls .
3. Place the crossbars in the crossbar sockets on the
hulls and make sure that the crossbars are facing
the right way.
The front crossbar has a jib track mounted, which
should be on top and facing the front of the boat.
The rear crossbar has two eyelets mounted on the
back which should be facing the back of the boat.
Take me to align the crossbars !
4. Grease all bolts and make sure the berglass washer is at the boem and the metal washer on top .
The washers for the front crossbar are allready put in the slot on top of the front crossbar.
5. Handght all the bolts before pung tension on them.
6. Aer hand ghtening the bolts, use a torque wrench to ghten the beambolts to 30 Nm maximum.
Do not exceed the recommended 30 Nm, over ghtening the bolts results in damaged threads.
1.1 Hull assembly
Tools needed:
- torgue wrench
- sockets

NACRA EMPOWERING SAILORS SINS 1975
Grease the pre-drilled holes next to the
daggerboardcase. Screw the harken cam
cleat on the hulls using the harken screws.
Make sure the nylock nut locks the bolt, but the
staymaster must be able to pivot. As shown in
the picture.
Mount the staymasters onto the hull with the
bolt and nylock nut. The nylock nut should be
inboard.
1.2 Front crossbar pre-bend
 There should always be a pre-bend on the front crossbar. This is been achieved by the tension on the
dolphinstriker.
 On new beams the tension on the dolphinstriker must be reset aer: -2 hours of sailing and
-10 hours of sailing!
 During the season check the pre-bend regularly.
1. Release the tension on the nut located on top.
2. Release the tension on the nut located under the crossbar
3. Put grease on both nuts!
4. Measure 15mm from top crossbar to underside nut
4. screw the nut under the crossbar unl both nuts are ghtend.
When the mastpin starts to twist, xade it with the pump plier
wrench. Protect the mastpin from wearing!
Tools needed:
- wrench 7/16
- philips screwdriver
Tools needed:
- wrench 22
- pump plier

NACRA EMPOWERING SAILORS SINS 1975
3. Loop the rear lacing line through the e
rod as shown in the picture. Start at the
port side of the trampoline!
6. Tie the rear lacing line with
half hitch knot
7. Tie the side lace line to the
loop closest to the front
crossbar. Loop the lacing
line making sure the span-
nerbands and loop look
exactly the same as shown
in the picture
8. Make a loop with the side
lacing line at the last
9. go back two spanner bands
and take the lacing line
through te loop
10. e the lacing line with half-
hitch nut at the back of the
pre last spanner.
4. Loop the laces using the
trampoline e buons
5. Aer ghtening go back
one buon
Make sure the trampoline is in the middle of the catamaran.
The trampoline must
be in the middle of the
boat and in a straight
line before pung
tension on the line!!
1.3 Trampoline
1. Unscrew a beamcap on one side. Then slide the
front edge of the trampoline into the designated
slot. The hiking straps should be facing up.
2. Insert the trampoline e-rod into the
slot in the rear of the trampoline.

NACRA EMPOWERING SAILORS SINS 1975
 Tie the footstraps using the hiking
strap es.
 Use the strapeye on the rear crossbar
to e the footstrap in the middle.
1.4 Trapeze shockcord
1. Make a loop in the
trapeze shockcord.
2. Use the ring adjusted
in the middle of the
crossbar under the
trampoline to guide
the shockcord.
3. Tie the shockcord
on the rear lacing
line on port and
starboard side.
NOTE: F18 Infusion
The shockcord goes through the
tube in the hull.
1.5 RIghtning line
1. Tie one end of the rightning line on the
mastpin under the front crossbar, then
go through the eye in the middle of the
trampoline.
2. Tie a knot at the top of the trampoline
en put the remaining line in the
pocket.

NACRA EMPOWERING SAILORS SINS 1975
1.6 mast rotation
 Take the mast rotaon
line and aach one end
to the staymaster
2. Go through the
harken cleat and
under the side
lacing line.
3. Use the grommet located in the middle
of the trampoline. Put the remaining
line in the pocket.
1.7 Spinnakerhalyard blocks
1. Tie a carbo 29mm block in the middle of
the spin halyard shockcord. Lead the
shockcord under the hiking straps
2. Use the small grommets in the trampoline
and e both ends to the rear lacing line.
3. Mount a 29mm carbo block with the trampoline
block e.
Make sure you do two loops!
1.8 Spinnaker blocks
Aach the 57 mm carbo ratchmac single spinnakerblocks on
the strap eyes on the hull. Tie the spinnakerblock shockcord
between the spinnakerblocks.