Sportsman Aviation F-20 TIGERSHARK 40, Instructions For Final Assembly

Page 1: ...RF is distributed exclusively by Global Hobby Distributors 18480 Bandilier Circle Fountain Valley CA 92708 All contents copyright 2004 Global Hobby Distributors Version V1 0 February 2004 Kit Product...

Page 2: ...knowledgeable help with assembly and during your first flights Your local hobby shop has information about flying clubs in your area whose membership includes qualified instructors If there is no hob...

Page 3: ...and to protect the parts Keep a couple of small bowls or jars handy to put the small parts in after you open the accessory bags We re all excited to get a new airplane in the air but take your time T...

Page 4: ...rful This size engine will fit within the required engine mounting area and it won t require an after market muffler With this engine the airplane will be very fast and have a lot of extra power for g...

Page 5: ...hand before beginning assembly We have organized the parts as they come out of the box for easier identification during assembly Before you begin assembly group the parts as we list them below This wi...

Page 6: ...4 M3 x 18mm Socket Cap Screws 4 M3 x 30mm Socket Cap Screws 4 M3 Lock Nuts 12 M3 Flat Washers ENGINE MOUNT ASSEMBLY 1 320cc Fuel Tank 1 Large Diameter Metal Plate 1 Small Diameter Metal Plate 1 Metal...

Page 7: ...g iron to the medium high temperature setting Allow the sealing iron to heat up for approximately 5 7 minutes After the sealing iron has reached temperature lightly apply the sealing iron to the wrink...

Page 8: ...f the wing center section joint that you remove as much covering material from the root ribs as possible Do not omit this procedure or the wing center section joint may fail during flight Use a ruler...

Page 9: ...t of 30 minute epoxy Working with only one wing panel for now apply a thin layer of epoxy inside the wing joiner box and to only half of the wing joiner Make sure to cover the top and bottom as well a...

Page 10: ...around the wing hold down dowels When satisfied with the fit cut away and remove the covering material from the gluing surfaces then glue the leading edge support into place using a generous amount of...

Page 11: ...ould be few or no gaps between the base of the wing fairing and the wing The center of the wing fairing at the front should be centered over the wing centerline too IMPORTANT There should be a 1 16 wi...

Page 12: ...3 INSTALLING THE FRONT WING FAIRING IMPORTANT It s not necessary but the two plywood wing screw doublers can be glued to the wing fairing if you prefer With the wing installed onto the fuselage positi...

Page 13: ...PORTANT You may need to carefully cut a shallow bevel in the stabilizer directly above and below each nylon bearing The bevel should be deep enough so that when you push the torque rod into place the...

Page 14: ...ed The trailing edge should not be allowed to move from side to side With the wing mounted to the fuselage use a ruler to measure the distance between the tips of the stabilizer and the tips of the wi...

Page 15: ...gaps between the stabilizer and the fuselage fill them using 30 minute epoxy for added strength Again before the epoxy sets up remove any excess epoxy using a paper towel and rubbing alcohol Remove t...

Page 16: ...rods using a thin layer of 5 minute epoxy to glue the nylon bearings into the stabilizer Remove any excess epoxy using a paper towel and rubbing alcohol and allow the epoxy to set up WARNING Be caref...

Page 17: ...nly the covering itself Cutting down into the balsa structure could weaken the stabilizer and cause it to fail during flight Mix and apply a generous amount of 30 minute epoxy to the gluing surfaces o...

Page 18: ...tive control Using a modeling knife carefully cut away and remove the covering material from over the precut slot in the root end of one aileron Notice that there is a predrilled hole in the slot to a...

Page 19: ...hinge Turn the wing over and repeat for the other side of the hinges Remove any C A that may run down the hinge line using C A Debonder Allow the C A and epoxy to dry for about 15 minutes then pivot t...

Page 20: ...r half tight against the stabilizer pivot the elevator half down about 45 and apply 5 6 drops of thin C A to the exposed area of each hinge Turn the fuselage over and repeat for the other side of the...

Page 21: ...Gear Wires 1 Nose Gear Wheel 2 Main Gear Wheels 1 Nylon Steering Arm 4 Nylon Landing Gear Straps 4 Nylon Spacers 4 Wheel Collars 5 M3 x 5mm Machine Screws 8 M3 x 12mm Wood Screws 1 29 Pushrod Wire w Z...

Page 22: ...2 INSTALLING THE MAIN GEAR WHEELS Slide one nylon spacer onto each axle followed by one main gear wheel The recessed side of the wheel should be toward the nylon spacer Secure each wheel into place us...

Page 23: ...Blue Threadlocker to the machine screw before installing it to prevent it from loosening during use Slide one nylon spacer onto the nose gear wire and push it against the wheel collar Carefully push...

Page 24: ...ely in place Blind nuts have been preinstalled into the back of the firewall to thread the screws into We suggest applying Blue Threadlocker to the screws to secure them into place IMPORTANT The engin...

Page 25: ...Rubber Stopper 1 Fuel Pick Up Clunk 1 M3 x 20mm Machine Screw 1 Silicon Fuel Tubing 2 Aluminum Tubing Ernst Airplane Stand Ruler 220 Grit Sandpaper w Sanding Block YOU LL NEED THE FOLLOWING PARTS FROM...

Page 26: ...tank opening IMPORTANT Don t overtighten the machine screw or you might strip the threads in the small metal plate With the rubber stopper assembly installed double check to make sure that the fuel pi...

Page 27: ...e fuselage sides PRO TIP IMPORTANT Make sure that the foam rubber does not interfere with the steering pushrod wire and that the fuel tubing is not kinked between the fuel tank and the forward bulkhea...

Page 28: ...ant it to be able to rotate without binding To prevent the connector nut from loosening during flight apply a drop of thin C A to it Allow the C A to dry before proceeding Connect your radio system an...

Page 29: ...ollets with the flanges toward the bottom of the servo Install the rudder servo into the left side cutout in the plywood servo tray as shown Again make sure to drill 1 16 diameter pilot holes for the...

Page 30: ...e support bulkheads in front of the rudder torque rod Carefully snap the clevis into the nylon adjustable rudder control horn Use a couple of pieces of masking tape taped between the rudder and the st...

Page 31: ...PPLIES SECTION 15 ELEVATOR CONTROL SYSTEM INSTALLATION STEP 1 INSTALLING THE ELEVATOR SERVO Install the rubber grommets and brass collets onto your elevator servo making sure to install the collets wi...

Page 32: ...shown IMPORTANT Before installing the elevator pushrod assembly it s very important to apply a couple of drops of thin C A to the machine screws in the wheel collars that secure the two elevator pushr...

Page 33: ...to ensure the integrity of the stabilizer Kwik Bond Thick C A Kwik Bond 5 Minute Epoxy 1 Phillips Head Screwdriver Needle Nose Pliers Excel Modeling Knife Electric Drill 1 16 5 64 Drill Bits Ernst Air...

Page 34: ...as shown Again make sure to drill 1 16 diameter pilot holes for the mounting screws IMPORTANT The servo output shaft should be toward the trailing edge of the wing STEP 3 INSTALLING THE AILERON PUSHR...

Page 35: ...he servo arm and the ailerons are still centered If the ailerons are not centered adjust the clevises until they are Move the ailerons up and down several times to ensure that the linkage assembly doe...

Page 36: ...is angled down to match the angle of the top of the fuselage When satisfied with the alignment use pieces of masking tape to hold the cowling securely in place and aligned STEP 2 INSTALLING THE COWLIN...

Page 37: ...d straight WARNING Be careful not to let the sandpaper scratch the canopy Using a pair of scissors carefully cut out the canopy along the molded scribe line When satisfied with the fit remove the cano...

Page 38: ...lage It is held in place using four M2 x 10mm flange head wood screws too STEP 4 INSTALLING YOUR RECEIVER AIRBORNE BATTERY SWITCH We don t suggest permanently installing the receiver and battery until...

Page 39: ...ane It is not recommended that the C G be located any farther back than 6 Balance the F 20 Tigershark 40 ARF with the fuel tank empty Install the wing onto the fuselage Apply two short pieces of maski...

Page 40: ...control surfaces VERY IMPORTANT We do not suggest increasing the control throws beyond the recommended sport flying settings unless you are a very proficient flyer Higher control throws will cause the...

Page 41: ...lines before going out to the flying field for the first time Do not test fly your model for the first time without first having it safety checked by an experienced modeler Do not fly your model highe...

Page 42: ...42 Full Size Elevator Pushrod Assembly Template...

Page 43: ...es No 7 Was any of the assembly difficult for you If yes please explain Yes No ____________________________________ ____________________________________ ____________________________________ __________...

Page 44: ...Hobby Distributors Attn Global Services 18480 Bandilier Circle Fountain Valley CA 92728 8610 Post Office will not deliver without proper postage _____________________________ ________________________...