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12 

e)

 

  Attach the steering springs  to  the  three  armed  steering  horn 

           and the tailwheel  horn.  Make   sure   you   keep   the   over-all 
           length of  the  springs  equal so  the  tailwheel  and  rudder   are 

              properly aligned. 

            

 

 

INSTALL THE POWER SYSTEM 

For this section you will need the Fuselage and: 
       (1)   Fiberglass Cowling 

      (4)   M3 x 10mm Screws 

(1)   Balsa Triangle Stock 
(4)   M4 x 20mm Socket-Head Bolts 
(4)   M4 Split-Ring Lock Washers 
(4)   M4 Blind Nuts 
(1)   Hook-&-Loop (Velcro®) Straps 
(1)   Electric Motor, ESC, Prop, LiPo Battery (not furnished) 

❑ 

13)  Install your Motor 

 
a)

 

    NOTE: The mounting  of    the   electric  motor   in   the   EDGEtra 

             assumes that your motor has  a  typical "X" or "cross"  mounting 
             plate  on the  back  of  the  motor.   Also  note  that  the  firewall 
             portion of the  laser-cut  plywood  Motor  mount   Is   adjustable  
             fore  and aft  to   accommodate different length motors.  In this 
             step we will adjust the  motor  mount  for your particular electric 
             motor. For the EDGEtra we need a total  distance from the front 
             of  the  firewall   to  the  motor’s   thrust  washer  to  end  up   at 
             exactly    8-5/8”.   This distance allows the  cowl  to fit  properly. 
 
b)

 

    Assemble    your    motor    according    to    the    manufacturer's 

             instructions.  Then carefully measure thedistance from the back 
             of the mounting plate to the front of the thrust washer *. 

   

             * 

The “thrust washer” is the part of the prop adaptor where 

           the back of the propeller will be located.   

 

 

 

c)

 

  Subtract the  measurement  taken  in  the  previous  step  b)  from 
  8-5/8”.  The result is the distance you need to locate the front of 

           the firewall  from   the  front  of   the  adjustable   motor   mount.  
           (With   the   motor  we  are  using   in  these  photos,  the   motor 
           measurement is 2-5/8”.  So 8-5/8”  minus  2-5/8” = 6”.   Your 
           result may be different depending on your motor.)   

        

 

 
 
 
d)

 

  Carefully measure  and  mark  the  distance   determined   in  the 
  previous step from  the  front  of  the  firewall to the front of the  
  adjustable   motor   mount.    Do   this    alongside    each  of   the 

           adjustment slots on both sides of the box (four marks total). 

 

e)

 

  After you have all four slots marked, carefully align the front face 
  of the adjustable mount to line up with  the  marks.   Make  sure 
  you  end  up with  the   adjustable  mount   straight   and   square 
  in   the   box.   If  it  is  not,  recheck   your   marks  and  adjust  as 
  necessary. 
 
 

f)

 

  Tack glue the adjustable mount in place using thin CA.   Recheck 
  once  more  to make sure that the front of the firewall is  at  the 

           correct  distance from  the  back of the motor mount  box.  That 
           distance  plus  the  length   of   your  motor   must   equal  5-3/8”. 
           When  satisfied  it  is correct,   glue  the  firewall  securely to  the 
           rest of the motor mount box using medium CA – DO NOT GLUE 
           THE FRONT FACE OF THE MOTOR MOUNT BOX AT THIS TIME.    

 

g)

 

  Remove the X mount   plate  from  the  back  of  your  motor  and 

   

       center  it on the mount.    Once you are sure it is properly  located, 

           mark  the mounting holes with a pencil.   Set  the  X  mount   aside 
           and drill out the mounting holes with a 7/32" dia. drill. Install four 
           M4 Blind Nuts in the holes, on the back side of the mount.  Put a 
           couple drops of Medium CA glue  on  the  flanges   of   the   blind  
           nuts  to  secure them to the plywood, but be  careful  not  to  get 
           any of the glue in the threads.  

       

 

 
 

Содержание Edgetra ARF

Страница 1: ......

Страница 2: ... on prop size NOTE The Castle Creations ESCs that we used as well as many of the other ESC s on the market have a BEC Battery Eliminator Circuit built in BEC allows you to use the same battery pack to Power both your motor and your radio system eliminating the normal radio battery pack As the dual purpose battery runs down in flight the BEC circuit in the ESC will shut down the motor and leave eno...

Страница 3: ... Phillips Head Screws Control Horns Etc 5 Painted Fiberglass Horns for ail 2 elev 1 rud 2 Pushrods 2 3mm x 70mm dia Steel Aileron Pushrods 1 3mm dia x 140mm Steel Elevator Pushrod 5 Metal R C Links elev 1 rud 4 5 Ball Link pushrod connectors ail 4 elev 1 5 M3 x 16mm Machine Screws for Ball links 5 M3 Locking Nuts 2 Pull Pull Rudder Parts Kit Miscellaneous 1 Aluminum Wing Joiner tube 4 1 4 20 x 1 3...

Страница 4: ...u must be careful around seams or color joints Getting too much heat on the seams may cause them to creep or come loose You must also be careful when using a heat gun when working around the windshield and side windows heat will distort the clear plastic material Recommended Temperatures To adhere the covering 220OF 250OF 104OC 121OC To shrink the covering 300OF 320OF 149OC 160OC NOTE In this manu...

Страница 5: ... is now in the proper position for permanently gluing them in place with thin CA glue d Flex the aileron down and hold it in this position Remove the pins from one hinge and then carefully apply 3 4 drops of thin CA glue directly onto the hinge in the gap You will notice that the glue is quickly wicked into the slot as it penetrates both the wood and the hinge We suggest using a fine tipped applic...

Страница 6: ...Y TAIL INSTALLATION For the following steps you will need 1 Fuselage 1 Aluminum Wing Tube 2 Wings 4 Nylon Wing Bolts 1 Horizontal Stabilizer Elevator set 1 Vertical Fin Rudder Set 5 Install the Horizontal Stabilizer and Elevator a Remove the elevator and hinges from the horizontal stabilizer and set them aside for now Draw a center line on the stabilizer mount and on the horizontal stabilizer Test...

Страница 7: ...joiner into the elevator halves with the rounded center section pointing to the trailing edges of the elevatorhalves line the halves and joiner up using a straight edge and mark where the joiner exits the halves of the elevator h Remove the joiner and roughen the fiberglass that slides inside the slots using sandpaper For added bite add grooves to the fiberglass with a sharp file or a Dremel tool ...

Страница 8: ...alcohol and a soft paper towel Let the epoxy completely cure 7 Now it s time to install the rudder a Using a hobby knife carefully cut through the covering on the tail to expose the lowest hinge pocket then carefully insert one side of the three CA hinges into the hinge slots in the rudder using the same techniques you did for the ailerons back in Step 2 of this manual install the rudder on to the...

Страница 9: ...ad an M3 nut and a metal clevis onto the brass rigging coupler Do this step four times c Slide one of the crimp tubes onto the nylon coated braided steel wire then thread the wire through the hole in the brass rigging coupler and back through the crimp tube d Loop the wire back through the crimp tube and pull the loops tight there s not much extra wire so being conservative here will give you a li...

Страница 10: ...id like Locktite on all bolts and nuts used in the assembly of the landing gear 11 Assemble and install the main landing gear a Slide the threaded portion of the axle into the large hole of the landing gear leg and secure it with an M4 nut on each side Apply a drop of blue thread locking compound to each nut before tightening them When tightening the nut keep the flats of the hexnut on the axle si...

Страница 11: ...er The front edge of the steering horn should be 3 8 back from the leading edge of the rudder Mark the location of the two steering arm holes on the bottom edge of the rudder b Using a 5 64 drill bit drill a hole at each location you marked making sure to keep the drill bit straight to the rudder you do not want the drill bit to come out the side of the rudder c Thread one of the M3 5 PWA screws i...

Страница 12: ...e you need to locate the front of the firewall from the front of the adjustable motor mount With the motor we are using in these photos the motor measurement is 2 5 8 So 8 5 8 minus 2 5 8 6 Your result may be different depending on your motor d Carefully measure and mark the distance determined in the previous step from the front of the firewall to the front of the adjustable motor mount Do this a...

Страница 13: ...orarily connect it to the receiver d Connect the ESC s motor wires to the motor Operate the motor and check the direction of rotation NEVER DO THIS WITH A PROPELLER INSTALLED If you need to reverse the rotation refer to the instructions that came with the motor and ESC SAFETY ISSUE We strongly recommend the use of an arming switch for your motor installation With an arming switch you can install y...

Страница 14: ...the cowl When you are satisfied with the cowl s placement tape it in place using masking tape b Use a 1 16 bit to drill holes in the firewall for the cowl mounting screws through the pre drilled holes in the cowl c Remove the cowl and thread a M3 x 10mm screw into each of the four cowl mounting holes then remove the screws d Apply a drop or two of thin CA to each of the four cowl mounting screw ho...

Страница 15: ...n the bottom surface of the pilot and use epoxy to glue the figure in place b Before applying glue to the canopy attach the hatch to the fuselage There are two locating pins at the front and two hooks at the rear Slide the pins into the pin slots in the rear side of the firewall lower the rear end of the hatch onto the fuselage and allow the hooks to catch Now slide the hatch toward the rear of th...

Страница 16: ...k the balance point on the top of the wing next to the fuselage Make the same marks on both sides of the fuselage Flip the aircraft upside down inverted and place your fingertips on the balance point on both sides of the airplane and carefully lift the plane No part of the model should be touching anything except your fingertips If the EDGEtra will sit on your fingertips in a level attitude then i...

Страница 17: ...gh at the initial aileron settings but they can be very axial with practice Inverted flight is easy requiring surprisingly little down elevator for level flight The EDGEtra also performs nice inside and outside loops snap rolls Immelmann turns stall turns Cuban eights and spins As with any aircraft getting consistently good results is a matter of practice While still at altitude throttle the engin...

Страница 18: ... A TOY Flying machines of any form either model size or full size are not toys Because of the speeds that airplanes must achieve in order to fly they are capable of causing serious bodily harm and property damage if they crash IT IS YOUR RESPONSIBILITY AND YOURS ALONE to assemble this model airplane correctly according to the plans and instructions to ground test the finished model before each fli...

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