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PCM SAL-DLG FIREWOR-X-TEND, Building Instructions

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Firewor-X-tend Building instruction                                                                                                        January 2009                             

5.4 Installation of the elevator 

Fix the 

carbon rod (2mm)

 with superglue 

in the rudder

. 

he elevator will keep the distance between the two carbon 

 

evertheless, 

check the elevator for free movability

. If 

 

 

Now you can mount the elevator.  
 
T
rods. If you move the spring without the elevator mounted, 
the spring may disappear inside the rudder. Only when the 
elevator is mounted, the spring will move along the track cut
out.  
 
N
necessary, enlarge the hole in the rudder. 

 

You can stick the 2 halves of the elevator to each other 

on 

the leading edge

 with an 

adhesive tape

 to avoid 

unintended demounting. 

 
 

www.pcm.at                                                                                                                                                            

8 

Summary of Contents for SAL-DLG FIREWOR-X-TEND

Page 1: ...Firewor X tend Building instruction January 2009 Wing span mm 2000 Takeoff weight g 420 Airfoil AG 455ct 02f AG47ct 02f von Mark Drela BUILDING INSTRUCTION SAL DLG FIREWOR X TEND www pcm at 1 ...

Page 2: ...abilizer 5 1 Installation of the CFR stab 5 2 Torsion spring for the rudder 5 3 Connection of the wire for the rudder 5 4 Installation of the elevator 6 Fuselage radio board 7 Controlling of the ailerons 8 Installation of throwing blade 9 Optimizing 10 Installation of antenna OTHER 11 Check list before starting 12 Notes for the use 3 3 3 4 6 6 7 7 8 9 10 13 15 17 18 18 www pcm at 2 ...

Page 3: ...rowing blade 1 piece Building instruction 2 What else do you need Epoxy glue for example UHU 300 endfest or Stabilit no fast hardening epoxy resin Super glue Cotton flocks for thickening glue Electrical equipment On Off switch cables plug Electronic equipment Steel wire shrinking tube Voltage control recommended f e DLG saver from Simprop 3 Electronic equipment Servos rudder Dymond D47 Futaba FS31...

Page 4: ...o the back Ailerons measure near fuselage Flaps negative start speed measure near fuselage Flaps positive thermal measure near fuselage Landing position measure near fuselage Snap Flap measure near fuselage Rudder measure at deepest point Angle of attack of elevator for first flight set elevator parallel to axis of boom slightly pulled 1 5mm www pcm at 4 ...

Page 5: ... order to continue this concept please account the following when you assemble the model Always use glue sparingly Grind all gluing spots thoroughly before you apply the glue Try to save weight especially when you finish and mount the stabilizer to avoid additional lead in the nose of the fuselage for the correct centre of gravity As Firewor X tend is constructed very similar to Fireworks 4 you wi...

Page 6: ...he stabilizer to the fuselage thread the kevlar wire through the boom to the hole in the fuelage cone Then check the good fit of the rudder The axis of the boom should be right angled to the hinge line of the rudder The kevlar wire should not chafe on the sharp carbon It must be free movable Sand the part of the boom which will be positioned in the stab and about 1 2cm before If the stabilizer is ...

Page 7: ...he spring into the balsa material and then harden the balsa with super glue 5 3 Connection of the wire fort he rudder Now you can hook in the kevlar wire into the lever Make a loop twist the end and put the end of the wire into a shrinking tube Shrink it and fix it with a drop of super glue Here show on Mini Fireworks In order to lead the wire into the boom drill a little hole in the carbon cover ...

Page 8: ...r for free movability If Now you can mount the elevator T rods If you move the spring without the elevator mounted the spring may disappear inside the rudder Only when the elevator is mounted the spring will move along the track cut out N necessary enlarge the hole in the rudder You can stick the 2 halves of the elevator to each other on the leading edge with an adhesive tape to avoid unintended d...

Page 9: ...freely movable also with canopy mounted and that the deflections of the levers are big enough Note that the holes in the servoboard are accessible and that the servos can be screwed without problems from outside You can variate the position of the servos with small blocks of wood Here you see the fuselage of Fireworks4 You can fix the servoboard with a drop of super glue to make the position check...

Page 10: ...than the servo itself Shorten the lever of the servo so that it can be moved inside the wing Pack the servo inside a shrinking tube so you will be able to remove it again Glue the servo with Stabilit Express or with a 5minute Epoxy Use a steel wire d 1mm as pushrod You can make a variable joint by cutting the steel and gluing a piece of carbon pipe on one end Drill a hole to lead the push rod thro...

Page 11: ... you can thread in the steel wire Hook the second part of the pushrod into the lever of the servo and thread it into the joining carbon pipe Hold the aileron in zero position with a ruler Now put a drop of super glue in the carbon pipe to fix the length of the pushrod Cover the hole in the shell with the carbon cover You can install the plug for the servo in the wing as shown www pcm at 11 ...

Page 12: ...pot Both wingtips left and right are prepared for the installation of a throwing pin or blade Mark the length of the blade Remember that the axis of the blade should be turned a little bit to the fuselage looking in direction of flight Now cut an opening into the wing with a small driller or a milling cutter Alignment Side view Tilt the blade on the upper side of the wing a little bit in the direc...

Page 13: ...lding instruction January 2009 If the cut is big enough put the blade through and align it in all directions see above When the position is correct fix the blade with super glue Ready mounted throwing blade www pcm at 13 ...

Page 14: ...on the inside The easier way is to connect the control surfaces with adhesive tape see picture As you nearly don t recognize a damage of the leading edge of the wing f e after hard landing we advise to put a strip of adhesive tape over the leading edge The film is thin enough not to disturb the aerodynamic but it surely will extend the lifetime of your Firewor X tend Cover the screws with a piece ...

Page 15: ...Firewor X tend Building instruction January 2009 You can thread in the wing from the front when mounting the wing on the fuselage Firewor X tend fuselage with ready glued carbon tile www pcm at 15 ...

Page 16: ...a to the end of the elevator Lead the antenna inside the fuse behind the wing and then leave the fuselage Another possibility is to lay the antenna inside the gap of the aileron For improving reception on carbon wings you can solder the antenna to a steel wire d 0 3mm which you fix at the end of the wing and let stand out to the back about 10 15cm Always TEST THE RECEPTION on ground before you fly...

Page 17: ...eption Leave the antenna inside the radio control and go away from the glider up to a distance of about 60m The control surfaces should not tremble 12 Notes for the use Firewor X tend ist parly built with visual carbon fibre To avoid heating of the carbon surface the model should not lie in the sun too long During flight heating by the sun is no problem as the model is cooled by the wind On ground...

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