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Option #1) Cut one or more cooling slots in the bottom of the  cowl  as 
                    shown.  A Dremel® Tool, or similar rotary hand-tool, with an 
                    assortment of bits is without a doubt the  best  tool  to  use 
                    for making cutout in the fiberglass cowling.  However, if you 
                    do not have access to such a tool, you can cut  the  opening 
                    with a drill, a hobby knife, and a sanding block.   First  drill a 
                    series of almost touching 1/8” holes inside the pattern lines; 
                    then use the knife to  cut through  the  connecting  material 
                    between  each  hole;   and  finally  finish  the  edges  of   the 
                    opening with the file or a sanding block. 

 

Option #2)  If you need more air flowing  out of the  fuselage,  make an 
                     additional air exit hole by removing  the  covering  material 
                     over the  hole in the  bottom  of  the  fuselage,  behind  the 
                     cabin. 

 

 

The installation of your electric motor is now completed.  Skip the 

next section on glow power and proceed directly to Page 17, Step 
48 about installing a “Receiver Battery Pack”.

 

GLOW POWER SYSTEM

 

Skip this section if you

’re using an electric power setup

 

The RASCAL 80 is a large airplane and is very adequately powered with 
the 2-stroke or 4-stroke engine sizes suggested.  The airplane does not 
benefit from being over-powered. Doing this tends to put undue stress 
on the airframe without any real gain in performance.  This airplane 
was always intended to "fly on the wing", not on excessive power.   

The  engine  shown  in  these  instructions  is  a  typical  .46  size  2-stroke 
engine.  The engine is mounted in the  inverted position.  The engine 
installation for either 2-stroke or 4-stroke power plants is basically the 
same. The main difference is often times the throttle arm location on 
the carburetor.  The materials provided in this kit should be useful for 
almost  any  2-stroke  engine  installation.    Installation  of  a  4-stroke 

engine  may  require  some  alterations  and/or  specialized  fittings  (not 
supplied). 

 For this section you will need the Fuselage and: 

     (1) Fiberglass Cowling 
     (4) M3 x 10mm Screws 
     (2) Nylon Engine Mounts 
     (4) M4 x 20mm Mounting Bolts 
     (4) M4 Flat Metal Washers 
     (1) Fuel Tank 
     (1) Rubber Stopper Assembly 
     (1) Fuel Pick-Up Weight (clunk) 
     (1) Fuel Line Tubing for inside tank 
     (1) Nylon Throttle Pushrod Tube 
     (1) 17-3/4" long Wire Throttle Pushrod with Z-bend 
     (1) Metal Pushrod Keeper with Set Screw and Hex Nuts 
     (2) Zip-ties 

You will also need to acquire these items (not supplied): 

    

(1)  R/C Engine and suitable Propeller 

    

(4)  Socket-Head Engine Mounting Bolts, to fit engine 

    

(4)  Lock Nuts for engine mounting bolts 

    

(4)  Flat Metal Washers for engine mounting bolts 

    

(4)  6 in. lengths of Silicone Fuel Line Tubing 

    

(1)  Silicone Sealer (common kitchen & bath type) 

❑ 

34) Start by putting the Fuel Tank together. 

a)

 

   Locate the Rubber   Stopper   Assembly.   Note   that   there   are 

            Three black nylon  tubes   going   through   the   rubber  stopper.                     
            One of the tubes will be used  for  the  Fuel  Pickup  Tube,  which 
            will then connect to the engine carburetor. 
            Another tube will be  used  for  the  Tank  Vent,  which   is   most 
            often  then  connected  to  the  pressure  fitting on  the  muffler. 
            The  third  tube can   be   used   for  a   separate  Fill  Line  if  you 
            desire,  or   it  is  capped   off   and  the  tank  filling   is  done   by 
            removing the  fuel  line  at  the carburetor   and   filling   through 
            that line.  
  

b)

 

   Orient the stopper so that one of the tube s is  towards  the  top 

            and then bend that tube up  at  a   45-degree  angle.   This  tube 
            will be the tank vent line.  Do  not  apply  heat  to  the  tube  –  it 
            will   bend   without    heat.  Just   over-bend   it   to   nearly   90- 
            degrees  and  then   let   it  relax,  to  see  where  it  will  end   up. 
            Repeat if necessary until the tube will stay at 45-degrees. 
 

c)

 

   Attach the metal Fuel Pick-Up Weight on one end of the  silicone 

            Fuel Line Tubing that goes inside the tank.  Cut the other  end of 
            the fuel line tubing to a length that will allow the clunk to   reach 
            the back of the tank, without getting stuck on  the  walls  of  the 
            tank.  Test fit in  the  tank  and  adjust  as  necessary.   With  the 
            stopper assembly in place, the fuel clunk should sit just in  front 
            of the rear of the tank and move freely  inside  the  tank.   If  not 
            pull the assembly back out and  trim  the  tubing   back  until  the 
            stopper moves freely. The top of the vent tube  should  rest  just 
            below the top of the tank. It should  not   touch  the  top  of  the  
            tank. 

 

 

d)

 

   Once you are satisfied with the fit of both the fuel clunk line and 

            the vent line you can  tighten  the  screw  to  expand  the  rubber 

Содержание Rascal 80 eg

Страница 1: ......

Страница 2: ...ystems and we make the following recommendations based on our successful on field experience GLOW POWER RECOMMENDATIONS ENGINE We recommend the following engine sizes for the RASCAL 80 2 STROKE 46 to 55 cu in 4 STROKE 53 to 65 cu in SIG carries O S Engines for the Rascal 80 and we suggest the following engines 2 Stroke O S 46AXII SIG Part OSMG0548 2 Stroke O S 55AX SIG Part OSMG0557 4 Stroke FS56 ...

Страница 3: ...ortment Pin Vise for Small Dia Drill Bits Hobby Knife with Sharp 11 Blades Small Power Drill with Selection of Bits Dremel Tool with Selection of Sanding Grinding Bits Scissors Sandpaper Covering Iron Trim Seal Tool Masking Tape Paper Towels Alcohol and or Acetone for Epoxy Clean up COMPLETE KIT PARTS LIST The following is a complete list of all parts contained in this kit Before beginning assembl...

Страница 4: ...f the iron using a thermometer 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 and...

Страница 5: ...the plug to the end rib direct it through the round hole in the bottom surface of the wing panel By that time the servo itself should be next to the servo mount cutout and ready for mounting f Fit the servo into the servo mount in the wing panel note that the servo is positioned so that the servo arm is at the forward end toward the wing leading edge Take up any slack in the servo wire as you inse...

Страница 6: ...Next assemble and install the aileron pushrods a Slide a short piece of Fuel Tubing onto the small end of the Metal R C Clevis Screw the Hex Nut on the Aileron Pushrod Wire all the way up to the end of the threads Then screw the metal clevis halfway onto the threaded end of the Aileron Pushrod Wire b Clip the metal clevis into the last hole in the nylon control horn Lay the other end of the pushro...

Страница 7: ...e Axle Tighten the wheel collar set screw securely 7 Slide the wheel on the axle and test to make sure it spins freely on the axle If it does not turn freely drill out the plastic hub of the wheel with an 11 64 or 17 drill bit 8 Slide a second wheel collar onto the axle and up to the wheel Leave a small gap between it and the wheel so the wheel will turn freely and then tighten the wheel collar se...

Страница 8: ...glued permanently onto the rear of the fuselage We suggest using slow curing epoxy glue for this job to allow time to position the stab accurately and make any final adjustments that might be needed Apply the glue to both sides and reset the stab in place Use pins to hold it in place Re check the alignment Wipe away any excess epoxy with rubbing alcohol and a soft paper towel Allow the glue to cur...

Страница 9: ...will mount the Tailwheel Assembly in place on the lower rear end of the fuselage a Begin by placing the three armed rudder steering horn on the bottom of the rudder The front edge of the steering horn should be 1 4 back from the beveled 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 mark...

Страница 10: ...le that fits your switch and mount using the screws supplied with your switch 23 Assemble and install the elevator pushrod a First slide a small piece of Fuel Tubing onto the small end of the Metal R C Clevis Next screw the Hex Nut that is on the Pushrod Wire all the way up to the end of the threads Then screw the metal clevis halfway onto the threads b Locate the pre cut upper pushrod exit hole f...

Страница 11: ...tray Note that the rudder servo goes in the center servo opening with the output shaft to the rear of the fuselage Be sure to drill pilot holes through the plywood tray for the mounting servo mounting screws a Locate the pull pull hardware bag and lay out the parts b Thread 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 n...

Страница 12: ... 1 Fiberglass Cowling 4 M3 x 10mm Screws 1 Plywood Electric Motor Mount 1 Plywood Battery Box 1 Balsa Triangle Stock 4 M4 x 20mm Socket Head Bolts 4 M4 Flat Metal Washers 4 M4 x 16mm 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 25 NOTE The mounting of the electric motor in the Rascal 80 assumes that yo...

Страница 13: ...e pieces of triangle stock in all the corner joints inside the motor mount box 29 If you have not already re attached the X mount plate to the back of your motor do so now Then use 4 M4 x 16mm Socket Head Mounting Bolts and Lock Washers to bolt your motor in place on the plywood motor mount box 30 Install your ESC a Solder appropriate battery connectors not supplied to the battery leads of your ES...

Страница 14: ...to Glue the plain side to the wood not the fuzzy side Epoxy glue works best for this step c Cut the hook strap in half and then glue one end of it to the other box side The hook side should be glued against the wood Epoxy glue works best for this step d Trial fit the assembled battery box inside the fuselage Note that there are slots in the plywood fuselage floor to accept the tabs on the bottom o...

Страница 15: ...propeller not furnished and the included spinner optional on your motor Be sure to balance the propeller before installation 33 COOLING IS IMPORTANT With a fully cowled motor it is very important to make sure your power system is getting proper cooling Air flowing into the front of the cowling must have a place to exit the cowl In fact it s best to have more air exit area than inlet area to create...

Страница 16: ... Stopper Assembly 1 Fuel Pick Up Weight clunk 1 Fuel Line Tubing for inside tank 1 Nylon Throttle Pushrod Tube 1 17 3 4 long Wire Throttle Pushrod with Z bend 1 Metal Pushrod Keeper with Set Screw and Hex Nuts 2 Zip ties You will also need to acquire these items not supplied 1 R C Engine and suitable Propeller 4 Socket Head Engine Mounting Bolts to fit engine 4 Lock Nuts for engine mounting bolts ...

Страница 17: ...d location on the firewall This can be easily done by lining a pencil up with the throttle arm on the carburetor and marking the firewall 38 Set your engine aside and unbolt the engine mounts from the firewall Drill clearance holes for your engine mounting bolts all the way thru the engine mount beams at the four locations you marked in the previous step We recommend that you secure the engine mou...

Страница 18: ...o and check the operation of the throttle pushrod Make adjustments as needed to get full range of carburetor travel You can adjust the overall length of the pushrod with the Pushrod Keeper Use the EPA End Point Adjustment feature of your transmitter to accurately dial in the desired amount of servo travel Also make sure there is no binding in the throttle linkage which could cause unnecessary batt...

Страница 19: ...ve the cowl and tape two 1 2 by 4 strips of tag board to each side of the fuselage c Use a 1 16 bit to drill holes in the firewall for the cowl mounting screws through the tag board d Slide the cowl back into position with the four pieces of tag board on the outside of the cowl Carefully reposition the cowl and tape it in place with low tack masking tape Now drill the four cowl mounting holes thro...

Страница 20: ...e window in place until the glue dries CONGRATULATIONS Your RASCAL 80 EG ARF is completely assembled However it is NOT ready for flight There are a few very critical pre flight tasks we must perform before flying These are extremely important and should be approached with patience and care BALANCE YOUR AIRPLANE This may be the single most important step in preparing your airplane for flight All ai...

Страница 21: ...irplane making sure the surfaces are moving in the correct directions Also check each control linkage to be sure they are secure and that nothing is loose With all the controls checked make a range check with your radio system making sure everything is working perfectly After starting and warming up the engine taxi the RASCAL 80 out to the take off position on the flying field holding up elevator ...

Страница 22: ...ion shall be to replace those parts of the kit proven to be defective or missing The user shall determine the suitability of the product for his or her intended use and shall assume all risk and liability in connection therewith JOIN THE AMA The governing body for radio control model airplanes in the United States is the ACADEMY OF MODEL AERONAUTICS commonly called the AMA The AMA SAFETY CODE prov...

Страница 23: ... top hatch from the fuselage grasp the hatch near the top of the windshield and lift straight up to disengage the rear magnets When that happens and the bottom rear corner of the hatch clears the front fuselage former the hatch will lift back and off easily SIG MFG CO INC 401 S Front St Montezuma Iowa 50171 U S A Copyright 2016 SIG MFG CO INC Printed in Vietnam Also Available from SIG ...

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