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the rudder pushrod wire.

b) Hold the rudder 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.

c) Use a pair of pliers to firmly grasp the pushrod wire at the 

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

O

UPWARDS.  Make the bend as sharp as possible.

d) 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.

e) Insert  the  bent  end  of  the  pushrod  wire  in  the  hole  in  the 

control  horn,  from  the  bottom.    Then,  slide  the  nylon 
pushrod keeper up to the control horn and snap its tab end 
over the exposed wire.

f) Remove the tape holding the rudder in neutral position.

❑

20) Now,  we  complete  the  aft  end  of  the  elevator  pushrod.

Start by centering the elevator servo output arm in neutral position.
Use a small piece of tape to hold the elevator in neutral position.

a) Slide  one  of  the 

nylon 

pushrod 

keepers over the aft 
end  of  the  elevator 
pushrod wire.

b) Hold  the  aft  end  of 

the elevator pushrod 
wire  against  the 
side  of  the  nylon 
control horn and use 
a  fine  tip  pen  to 
mark 

the 

exact 

8

bottom of the stabilizer.  Carefully place the stabilizer back 
on the fuselage.  Again, use a small weight or pins to hold 
it  in  position.    Make  sure  the  stabilizer  is  square  with  the 
fuselage  by  measuring  from  the  trailing  edge  of  the  wing 

back  to  the  leading  edge  of  the  stabilizer,  on  both  sides.   
Shift  the  stabilizer  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 there to glue the elevator
hinges  permanently  in  place.    Let  the  glue  dry  a  minimum  of  10
minutes before flexing the hinges

❑

17) Mount  a  nylon  control  horn  on  the  LEFT  SIDE  of  the 

rudder.  Refer back to steps 13 and 14, where we cut off the pegs
of a control horn and then, glued the horn to the elevator - use the
same steps to prepare and install the control horn for the left side
of the rudder.  

❑

18) The fin and rudder assembly is now glued in place on top

of the stabilizer and fuselage, again using SIG Epoxy Glue.

a) First,  trial  fit  the  fin/rudder  in  place,  without  any  glue.    If 

needed, make adjustments to the bottom of the fin to allow 
full contact with the top of the stabilizer and the fuselage.

b) Mix a small amount of glue and apply it to the bottom edge 

of the fin and to the sides of the fin leading and trailing edge 
stubs.  Carefully set the fin/rudder assembly in place on the 
fuselage.    Make  sure  that  the  fin  is  90

O

to  the  horizontal 

stabilizer.    Use  low-tack  masking  tape  to  hold  the  fin  in 
correct position.  Wipe off any excess epoxy using alcohol 
and paper towel.  Let the glue dry.

(see photo at top of next column)

❑

19) Now, we complete the aft end of the rudder pushrod.  Start

by centering the rudder servo output arm in neutral position.  Use
a small piece of tape to hold the rudder in neutral position.

a) Slide one of the nylon pushrod keepers over the aft end of 

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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