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6

e) Repeat these steps to install the other aileron servo in the 

other wing panel.

❑

6) Note that there are two holes pre-drilled in the bottom of the

aileron, under the covering material, for the control horn mounting.
Puncture  the  covering  material  directly  over  these  two  holes  to
accept  the  two  "pegs"  of  the  control  horn.    Use  a  sharp  knife  to
remove the small strip of covering material between the two holes.
Then,  glue  the  nylon  control  horn  in  place  using  thick  CA  glue.
Apply a small amount of glue to the two pegs and a small amount
of glue to the bottom of the control horn base itself.  With the three
small holes in the control horn facing forward, firmly press the horn
into the two pre-drilled holes in the aileron, until the base bottoms
out  on  the  elevator  surface.    If  any  glue  oozes  out  onto  the 
covering, it can be easily removed with SIG CA Debonder.

❑

7) In preparation for installing the aileron pushrods, center the

aileron  servo  output  arms  in  neutral  position.    Also,  secure  the
ailerons in neutral position with small pieces of tape.

a) Working  on  one  aileron  at  a  time,  slide  one  of  the  nylon 

pushrod  keepers  over  the  plain  unbent  end  of  the  aileron 
pushrod wire.

b) Insert  the  Z-bend  end  of  the  aileron  pushrod  wire  into  the 

outermost hole of the servo output arm (if the holes in your 
servo arm are too small for the wire, drill out the holes with 
a #60 or 3/64" dia. drill bit).

c) Hold the pushrod wire against the side of the nylon control 

horn and use a fine tip pen to mark the exact position of the 

control  horn  hole  on  the  wire.   

NOTE:

The  wire  will  be 

installed in the 2nd hole from the end of the horn.

d) Use a pair of pliers to grasp the pushrod wire at the mark 

just  made,  and  then  bend  the  plain  end  of  the  wire  90

O

towards the center of the wing.  Make the bend as sharp as 
possible.

e) The  excess  length  of  pushrod  wire  can  now  be  cutoff, 

leaving  a  3/16"  end  leg  to  pass  through  the  control  horn 
hole.  Use a good sharp pair of wire cutters to do this.  Clean 
off any burs on the end of the wire, caused by the cutting.

f) Insert the bent end of the pushrod wire into the hole in the 

control  horn.    Slide  the  nylon  pushrod  keeper  up  to  the 
control horn and snap its tab end over the exposed wire on 
the opposite side of the control horn.

g) Remove  the  pieces  of  tape  holding  the  aileron  in  neutral 

position.

h) Repeat  these  steps  to  bend  and  install  the  other  aileron 

pushrod on the other side of the wing.

NOTE:

Later, when you turn on your full radio system for the first

time, you may find that the length of the aileron pushrod wires did
not  come  out  exactly  perfect,  leaving  the  ailerons  slightly  out  of
neutral  position.    If  so,  you  can  make  small  corrections  to  the 
overall  pushrod  length  by  slight  tweaking  of  the  V-shaped 
adjustment bend that is provided in the middle of the pushrod wire.

FUSELAGE:

For this section, you will need the fuselage, the elevator pushrod
wire, the rudder pushrod wire, and 2 servos.

❑

8) Remove the Battery Hatch from the bottom of the fuselage

in preparation for mounting the elevator and rudder servos.  Note
that there is a molded plastic latch built into the front of the hatch.
Simply turn the plastic latch 90

O

and remove the hatch.

❑

9) Mount the elevator and rudder servos in the fuselage, using

the screws that came with the servos.

a) Begin  by  positioning  the  servos  in  place  in  the  plywood 

servo tray built into the fuselage.  Note in the picture that the 
servos  should  be  located  out  against  the  sides  of  the 

Содержание KADET EP-42B

Страница 1: ...1 SIG Mfg Co Inc Wingspan 42 in 1067 mm Wing Area 330 sq in 21 3 dm2 Length 34 in 864 mm Flying Weight 24 26 oz 680 737 g Wing Loading 11 7 12 7 oz sq ft 36 39 g dm2 Radio Req 4 Channel Micro Receiver 4 Micro Servos ...

Страница 2: ...rque Hitec HS 55 7 9 grams 15 in oz Airtronics 94091 9 0 grams 18 in oz NOTE Any other brand of servo that is in the same size and torque range will also work just fine 2 INTRODUCTION Congratulations on your purchase of the SIG KADET EP 42B The KADET EP 42B is the latest addition to the long line of legendary SIG KADET trainers Did you know that the first SIG KADET was introduced in 1973 Since tha...

Страница 3: ... the possibility of warping the thin control surface parts Recommended Temperatures To adhere the covering 220O F 250O F 104O C 121O C To shrink the covering 300O F 320O F 149O C 160O C First use the hot iron to go over all the seams and color joints in the covering making sure they are all sealed down and well adhered Then hold the hot iron over the wrinkle to lightly shrink the material do not p...

Страница 4: ...atch of epoxy glue Use a wire or stick to coat the inside of the slot in the end of the left wing panel with glue Also coat the stub of the plywood wing joiner that is sticking out of the right wing panel and the bare wood end ribs of both wing panels Then put the wing panels together Squeeze the panels tightly together aligning the leading and trailing edges of the wing panels with each other Wip...

Страница 5: ...y appearance not wet A dry appearance indicates that almost all of the glue has properly soaked into the hinge and wood A wet appearance indicates that excess glue is puddled in the hinge gap Excess glue can become brittle with age and cut the hinge Also NEVER USE CA ACCELERATOR KICKER ON CA HINGES AILERON HOOKUP For this section you will need the assembled wing 2 aileron servos and appropriate ch...

Страница 6: ...a pair of pliers to grasp the pushrod wire at the mark just made and then bend the plain end of the wire 90O towards the center of the wing Make the bend as sharp as possible e The excess length of pushrod wire can now be cutoff leaving a 3 16 end leg to pass through the control horn hole Use a good sharp pair of wire cutters to do this Clean off any burs on the end of the wire caused by the cutti...

Страница 7: ...stabilizer sits with a sanding block until the stabilizer will sit level c Remove the stabilizer Mix a small amount of epoxy glue and apply it to the mating surfaces of the fuselage and opening in the plywood tray so that the ends of the servo arms line up with the plastic pushrod tubes already installed in the fuselage b Once you have the servos correctly positioned drill small pilot holes throug...

Страница 8: ...tabilizer slightly if necessary until both measurements are the same Wipe off any excess glue using a paper towel or rag soaked in rubbing alcohol Allow the glue to dry 16 As received the rudder is only temporarily attached to the fin with 3 unglued CA hinges in the pre cut slots Refer back to page 3 step 4 of this manual for instructions on gluing CA hinges and use the same procedures described t...

Страница 9: ... fuselage to make the next step easier to do d Use a pair of pliers to firmly grasp the pushrod wire at the mark just made Look inside the fuselage to make sure that the Z bend end of the pushrod is parallel to the jaws of your pliers What we re getting ready to do is bend the aft end of the pushrod wire 90O SIDEWAYS to the fuselage meaning sideways when the servo arm is re installed on the servo ...

Страница 10: ...typically require soldering of these wires and this requires the use of a soldering iron and flux For our ESC and battery connectors we chose to use a Kavan 6321 K 2 connector set These great little connectors are small lightweight and self polarizing a Solder a battery connector to the two black negative and red positive wires on the ESC Solder the corresponding connector to your flight pack batt...

Страница 11: ...ction of movement If needed use the servo reversing feature in your transmitter to make the ailerons move in the correct direction b If necessary reposition the aileron servo output arms as close to 90O to the servo case as possible Be sure to reinstall the output arm retaining screws after making the adjustment c With the servo output arms now squared up check the positions of the two ailerons Ad...

Страница 12: ... trailing edges MOUNTING THE COWL 35 From the kit contents locate the plastic cowl and the four remaining T2 x 6 mm PWA screws Note that the correct mounting location and position of the cowl is with its forward face approximately 1 4 6 mm behind the front face of the 3 5 mm lock nut and centered with the motor a Slide the cowl in place over the motor and onto the front of the fuselage Use pieces ...

Страница 13: ... it might go Some models will try to climb while others may want to go down Some will try to turn left others right Some models will be doing both at the same time It doesn t mean that there is anything wrong with the model but these minor differences must be trimmed out 13 sheet with a sharp 11 hobby knife or a sharp scissors Small decals can be easily applied to the model by simply removing the ...

Страница 14: ...s an incorrect control input can produce almost instant problems that in turn demand almost instant correction This is especially true at lower flight altitudes A good flight instructor will climb your model to an altitude that gives him a good chance of saving your airplane when you make these inevitable mistakes This altitude is generally referred to as 2 mistakes high When you get into trouble ...

Страница 15: ...h important liability insurance in case your R C model should ever cause serious property damage or personal injury to someone else ACADEMY OF MODEL AERONAUTICS 5161 East Memorial Drive Muncie IN 47302 Telephone 765 287 1256 AMA WEB SITE www modelaircraft org CUSTOMER SERVICE SIG MFG CO INC is committed to your success in both assembling and flying the KADET EP 42B ARF Should you encounter any pro...

Страница 16: ......

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