SIG RASCAL 110 EG ARF Assembly Manual Download Page 5

If  sometime  in  the  future  you  need  replacement  covering  or 
matching  paint  for  repairs,  they  are  available  from  your  local
hobby dealer or online from Hanger-9.

How To Tighten Loose Covering

After you open your RASCAL 110 and take all the covered parts
out of their plastic bags, the covering may begin to wrinkle.  This
is not unusual and is no cause for alarm.  

Your airplane was built and covered in a part of the world, which
has relatively high humidity and therefore, the wood was likely 
carrying a fair amount of moisture.  When exposed to drier air,
the wood typically loses this moisture, dimensionally "shrinking"
in  the  process.    In  turn,  this  may  cause  some  wrinkles.
However,  wrinkles  are  easy  to  remove  by  just  using  a  hobby
type  heat  iron.   

Caution:

Trying  to  remove  the  wrinkles  by 

hastily  going  over  them  with  a  heat  gun  can  lead  to  more 
problems.   You  should  take  your  time  to  carefully  go  over  the
entire model with a covering iron, as we will describe.

We  suggest  using  a  model  airplane  covering  iron  for  this
process.  Cover the iron's shoe with a thin cotton cloth, such as
an old t-shirt, to prevent scratching the covering as you work.

After  covering  your  iron,  the  next  step  is  to  set  the  iron  to  the 
correct temperature.  This is critical for achieving a good result!
The iron should be set to about 220

O

F - 250

O

F (104

O

C - 121

O

C)

as  measured  on  the  bottom  of  the  iron  using  a  thermometer.
This  is  the  recommended  temperature  for  adhering  the 
covering.

If  you  do  not  have  a  thermometer,  you  can  find  the  correct 
temperature  by  trial  and  error.    Set  your  iron  to  a  medium 
setting.    Glide  the  iron  over  some  of  the  covering  that  is  over
solid wood, such as the sheeted wing center section.  Observe
the  covering  to  see  if  any  bubbles  appear.    If  bubbles  appear,
the  covering  is  getting  too  hot!   Turn  down  the  temperature  of
the  iron.    If  no  bubbles  appear,  turn  up  the  heat  slightly  and
repeat the test.  Keep adjusting until you "zero in" on the correct
temperature.  Find the temperature that will get the covering to
stick down without forming bubbles or causing the seams to pull
away.  

Once  your  iron  is  set  to  the  correct  temperature,  go  over  the
entire framework of the airplane, making sure that the covering
is  securely  bonded  to  the  structure  everywhere  the  covering
comes in contact with the wood underneath.  This takes some
time, but is worth the effort.

After  you  have  all  the  covering  secured  onto  the  solid  areas,
turn  the  temperature  of  the  iron  up  to  approximately  300

O

F  -

320

O

F  (149

O

C  -  160

O

C).    This  is  the  correct  temperature  for

shrinking the covering material.

Use the iron to tighten up any wrinkles in the "open" areas of the
model (no wood underneath the covering).  Glide the iron over

the  wrinkle  for  a  few  seconds,  then  remove.    Repeat  until  the
covering is tight with no wrinkles.

If wrinkles keep coming back on the tail surfaces, you may need
to "ventilate" the areas between the ribs.  Otherwise the air that
is  sealed  in  those  relatively  small  areas  will  expand  when  the
heat  is  applied  and  actually  cause  the  covering  to  stretch
instead of shrink.  Use a pin to poke a tiny hole in the covering
between  each  rib,  on  the  bottom  of  the  part.   That  will  let  the
expanding air escape and the covering to shrink properly.

Caution When Using Heat Guns:

You can also use a hobby-

type  heat  gun  to  shrink  the  covering,  but  you  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 - 220

O

F - 250

O

F (104

O

C - 121

O

C) 

To shrink the covering  - 300

O

F - 320

O

F (149

O

C - 160

O

C)

__________________________________________________

NOTE:

In  this  manual,  any  references  to  right  or  left,  refer  to

your  right  or  left  as  if  you  were  seated  in  the  cockpit  of  the 
airplane.

The  wings  are  designed  as  a  2-piece  system,  with  separate
right  and  left  wing  panels  joined  by  an  aluminum  tube  wing 
joiner.  Due to the high strength of the wing joiner tube, the wing
panels do not need to be permanently glued together.  Gluing
them permanently together is optional - your call.  The obvious
benefit to leaving the wing panels separate is the fact that they
can be easily transported or stored.  To help protect your wings
from  unnecessary  damage  during  the  following  steps,  we 
recommend  that  you  cover  your  work  surface  with  an  old 
blanket or piece of soft cell foam. 

HINGING THE AILERONS & FLAPS

As received in the kit, the wing panels have the ailerons and flaps
hinged in place, but the hinges have not been permanently glued.
Gluing the hinges will be the very first step.  Use a slow setting
glue that will give you plenty of time to work the hinges into place.
If using epoxy we recommend using a slower setting time such as
30 min epoxy or longer.  Traditional yellow or white water-based
wood glue is another good choice for installing these hinges.

1) Remove  the  aileron  and  flap  from  the  wing  panel  and 

then pull all of the hinges out of off their holes.  

a) Spread  a  little  dab  of  petroleum  jelly  or  lithium  grease 

on  the  pivot  point  of  each  hinge.   Work  it  into  the  rivet 
and  hinge  area  to  prevent  glue  from  seeping  into  the 
hinge and locking it up.

5

WING ASSEMBLY

Summary of Contents for RASCAL 110 EG ARF

Page 1: ... mm Flying Weight 11 13 lbs 4990 5897 g Wing Loading 17 20 oz sq ft 51 60 g dm2 Glow Power 2 Stroke 1 2 1 5 cu in 20 25 cc 4 Stroke 1 2 1 8 cu in 20 30 cc Gas Power 1 2 1 8 cu in 20 30 cc Electric Power 1600 2600 watt 200 270 kv Brushless Motor 80 120A ESC 8S 12S Lipo Battery Pack Radio Required for Glow or Gas 5 Channel with 7 Heavy Duty Servos Ail 2 Elev 1 Rud 1 Thro 1 Flaps 2 for Electric 5 Cha...

Page 2: ... design is aerodynamically clean for a high wing model These two factors result in very good performance when using engines in the suggested range Over powering this model is totally unnecessary and not recommended GLOW ENGINE We recommend the following sizes for the RASCAL 110 2 Stroke 1 20 1 50 cu in 20 25 cc 4 Stroke 1 20 1 80 cu in 20 30 cc Some glow engines that have been popular in the RASCA...

Page 3: ...aterial is a good method because it can be removed later if you change your mind Whatever you do if you aren t using the flaps make sure they are secure and cannot move from neutral position CHANNELS The RASCAL 110 requires a minimum 5 channel radio system when using the flaps or a 4 channel radio system without the flaps We highly recommend the use of a modern programmable computer radio Such rad...

Page 4: ...Right Wing Strut 1 Left Wing Strut 1 Plywood Electric Motor Mount 1 Plywood Battery Tray 2 3 3 8 long Wire Pushrod threaded both ends w Hex Nuts for flaps 2 4 long Wire Pushrod threaded both ends w Hex Nuts for ailerons 1 5 long Wire Pushrod threaded both ends w Hex Nuts for elevator 1 17 3 4 long Wire Pushrod threaded one end w Hex Nut for throttle 1 15 long Nylon Pushrod Tube for throttle pushro...

Page 5: ...ng the covering material Use the iron to tighten up any wrinkles in the open areas of the model no wood underneath the covering Glide the iron over the wrinkle for a few seconds then remove Repeat until the covering is tight with no wrinkles If wrinkles keep coming back on the tail surfaces you may need to ventilate the areas between the ribs Otherwise the air that is sealed in those relatively sm...

Page 6: ... hatches 4 Servos with Mounting Screws not furnished 2 24 Servo Extension Cords for ailerons not furnished 2 12 Servo Extension Cords for flaps not furnished 1 Dual Servo Y Harness for ailerons not furnished 1 Reversing Dual Servo Y Harness for flaps not furnished It will be helpful to have your radio system charged and ready to use It is a good idea to test and center your servos before installat...

Page 7: ...e out to the center section you shouldn t need a string to do this over the short distance Make sure both the flap and aileron servo wires exit the wing panel through the round servo wire hole in the bottom surface of the wing It s a good idea to label the servo leads to easily identify the flap from the aileron d Mount the flap servo and hatch to the wing using four M2 3 x 7mm screws that are pro...

Page 8: ...d use a standard Y harness more readily available than the reversing type by simply flipping one of the flap servos over to face the same direction as the other flap servo In other words the arms for both flap servos would be on the right or left side of the airplane instead of mirror image like the aileron servos always are To do this on the RASCAL 110 you would need to also flip one of the flap ...

Page 9: ... the fuselage Step back and check the alignment of the stabilizer to the wing a First view the model from directly in front Check to see if the stabilizer is level with the wing without tilting one way or the other b Carefully square the stabilizer to the fuselage and wing in the top view This is easiest to do by taking mea surements from the same point on each side of the airplane c Use a fine li...

Page 10: ...ut tilting one way or the other If needed use masking tape to hold it in alignment until dry Wipe off any excess glue rubbing alcohol and a soft paper towel Let dry 17 The elevators are now hinged to the horizontal stabilizer The hinging method is exactly the same as used with the aileron hinges back in Step 1 18 Before hinging the rudder to the vertical stab it is best to attach the control horns...

Page 11: ... and use the M3 x 15 socket head bolts to secure it to the fuselage We recommend using some blue thread locker to ensure the bolts do not come loose 22 Install the elevator servo and pushrod a Start by attaching a 36 long servo extension cord to a elevator servo Secure the connectors together with tape string or heat shrink tubing Insert the servo in the open slot on the right rear side of the fus...

Page 12: ...e pull pull fitting as shown Use an ordinary pliers to crimp the swage tube flat around the cable to secure it in place b Screw a metal clevis onto the threaded end of the pull pull fitting Screw it halfway onto the threads leaving room for adjusting in both directions Then clip the clevis into the outside hole on one side of the rudder servo control arm NOTE Make sure you cross the pull pull cabl...

Page 13: ...l also be installed Because of the size of the airplane it is much easier to take care of these steps now before adding the main landing gear For the following steps you will need 1 Clear Plastic Windshield 7 M2 3 x 7mm Screws 1 Right Plastic Side Window 1 Left Plastic Side Window 8 Magnets only for electric power installations 29 Mount the windshield on the fuselage a First place the windshield o...

Page 14: ...nets are pushed all the way into each pocket Wipe up any excess epoxy around the edges c Once the epoxy has dried lay the fuselage on one side Insert the side window and mark the location of the two magnets on the rear plastic flange of the window with a felt tip pen Take the window back out and use sandpaper to rough up the plastic frame over where the magnet will be glued This will help ensure a...

Page 15: ... it up with the mounting holes in the aluminum landing gear Using two M3 x 12mm socket head bolts to fasten the wheel pant to the gear 35 Attach the landing gear to the bottom of the fuselage using four M4 x 20mm Socket Head Bolts and four M4 Split Ring Lock Washers Tighten these four mounting bolts firmly in place Skip this section if you re using an electric motor As mentioned in the front of th...

Page 16: ...eam engine mounts Simple throttle hookup via flex cable pushrod assembly Bottom of cowling is opened up for engine head to stick out and for cooling O S GEMINI 1 60 TWIN CYLINDER 4 STROKE ENGINE The cowling is split into two pieces along the horizontal thrust line Note hardwood mounting blocks epoxied along edge of lower cowl for top cowl mounting screws This engine came with an engine mount Plywo...

Page 17: ... firewall to the prop washer Carburetor sticks out of right side of cowling Bottom of cowling opened up for cylinder head and good cooling First Place Engines www fpengines com Skip this section if your using a glow or gas engine This kit does include a laser cut plywood universal motor mount that will work for almost all brushless motors that will likely be used in the RASCAL 110 For that reason ...

Page 18: ...ep from the back edge of the motor mount box towards the front Do this along side each of the adjustment slots on both sides of the box d After you have all the slots marked move the firewall until you have the front of the firewall lined up with the marks Make sure you end up with the firewall straight and square in the box If it is not recheck your marks and adjust as necessary e Tack glue the f...

Page 19: ...or mount box Make sure to soak in plenty of CA to make a strong joint f Mount the plywood motor mount onto the fuselage with four M4 x 25 bolts and M4 flat washers You can access the head of the bolts through the slots in the side of the mount using a ball end hex wrench or driver as shown 39 A set of four M4 x 20mm socket head bolts and M4 lock washers are provided to mount your motor to the moto...

Page 20: ...d air out of the cowling so that more cool air can come in This positive air flow keeps your motor running cool Note that there is a generous sized cutout at the bottom rear edge of the cowling for air exit You may choose to make some additional holes in your cowling to ensure proper airflow Perhaps an opening at the front of the cowl in front of the motor or cylinder head will be needed Or in the...

Page 21: ...balancing fixture may not be practical However you can get acceptably accurate results by first placing a piece of tape temporarily on each side of the fuselage just beneath the wing at the 4 1 2 location Then simply use your fingers beneath each wing panel to pick the model up at the C G location Another method is for you and a friend to pick the model up at the wingtips at the main spar location...

Page 22: ...lined up with the center of the runway with the nose pointed directly into the wind Hold a little up elevator and smoothly advance the throttle do not slam the throttle full open all at once As the airplane begins moving forward gradually back off of the up ele vator input using the rudder only sparingly to correct any engine torque and or wind induced deviations from a straight take off run Allow...

Page 23: ...that the RASCAL 110 wing is 1522 square inches in area and this amount of square footage is going to want to stay flying Therefore your landing approach should take into account the airplane s impressive glide ratio The flaps have been added to the design to help curb the floating With practice and becoming accustomed to the glide of this airplane you ll soon be landing at very low speeds putting ...

Page 24: ... SENIOR SPORT ARF Should you encounter any problem building this kit or discov er any missing or damaged parts please feel free to contact us by mail or telephone SIG MFG CO INC P O Box 520 401 South Front Street Montezuma IA 50171 0520 USA PHONE 1 641 623 5154 FAX 1 641 623 3922 SIG WEB SITE www sigmfg com SIG E MAIL mail sigmfg com LIMIT OF LIABILITY The craftsmanship attention to detail and act...

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