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  4. PT-19 CORNELL EP ARF
  5. Instructions For Final Assembly

WATT AGE PT-19 CORNELL EP ARF Instructions For Final Assembly

Summary of PT-19 CORNELL EP ARF

  • Page 1

    1 pt-19 cornell ep arf specifications: ● wing span: 32 inches (812mm) ● wing area: 164 square inches (10.58dm 2 ) ● length: 24.5 inches (622mm) ● weight rtf: 14 - 15 ounces (396 - 425gr) ● wing loading: 12.3 - 13.2 ounces per square foot (37.4 -40gr/dm 2 ) ● functions: ailerons, elevator, rudder and...

  • Page 2

    2 table of contents this r/c airplane is not a toy! If misused or abused, it can cause serious bodily injury and/or damage to property. Fly only in open areas and preferably at a dedicated r/c flying site. We suggest having a qualified instructor carefully inspect your airplane before its first flig...

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    3 thank you for purchasing the wattage pt-19 cornell ep arf. Before completing the final assembly of your new air- plane, please carefully read through this instruction manual in its entirety. Doing so will ensure your success the first time around! Pt-19 cornell ep arf features ● prebuilt from high...

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    4 this section describes our recommendations to help you in deciding which types of accessories to purchase for your new wattage pt-19 cornell ep arf. Please read through this entire section very carefully. We have provided you with tips and recommendations that, if followed, will result in a great ...

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    5 section 2: lithium polymer battery warnings - please read if you will be using a lithium polymer (lipo) flight battery with your pt-19 cornell ep arf, please read and understand the warnings listed in this section. Also make sure to read any and all warnings included in the packaging with your bat...

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    6 the covering material used on the wattage pt-19 cornell ep arf is real iron-on, heat-shrink covering material. It is possible with heat and humidity changes that the covering on your airplane may wrinkle or sag. This trait is inherent in all types of heat- shrink material. To remove any wrinkles t...

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    7 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 will ensure that you have all of the parts before you begin assembly and it will also help you become familiar with each part. I...

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    8 ❑ test-fit the wing joiner into each wing panel. It should slide easily into each wing panel, up to the centerline you drew. ✦ ✦ ✦ ✦ ✦important✦ ✦ ✦ ✦ ✦ when the wing joiner is installed, it should not fit tightly into the wing panels. It should actually be slightly loose. This will ensure that wh...

  • Page 9

    9 ❑ carefully slide both wing panels together with the wing joiner temporarily installed (without using glue). ❑ while holding the two wing panels together firmly, make sure that both wing panels are lined up at both the leading and trailing edges, then look carefully at the center-section joint: th...

  • Page 10

    10 ❑ after the c/a has fully cured, set the wing into the wing saddle and secure it into place, using the m3 x 20mm flange-head self-tapping screw. ☞ don't overtighten the screw or you'll crush the wing. It only needs to be tightened snugly. Step 2: aligning the horizontal stabilizer ✦ ✦ ✦ ✦ ✦import...

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    11 ❑ using a ruler, builder's triangle and a pencil, carefully measure and draw a vertical centerline across the top of the horizontal stabilizer. ❑ slide the stabilizer into the mounting slot and temporarily align it. The stabilizer should be pushed forward completely, and when viewed from above th...

  • Page 12

    12 step 3: mounting the horizontal stabilizer ❑ remove the stabilizer from the fuselage. ❑ using a modeling knife, carefully cut away and remove the covering material from between the lines you drew. Do this on both the top and the bottom. ❑ slide the elevator joiner wire into the stabilizer mountin...

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    13 ❑ to make it less messy during installation, apply masking tape to the fuselage around the side of the mounting slot that the stabilizer will slide into. Apply masking tape to the top and bottom of the corresponding side of the stabilizer, too. ❑ partially slide the stabilizer into the mounting s...

  • Page 14

    14 step 1: hinging the ailerons ✦ ✦ ✦ ✦ ✦important information about the c/a style hinges included with your pt-19 cornell ep arf✦ ✦ ✦ ✦ ✦ the pt-19 cornell ep arf uses c/a style hinges to hinge the control surfaces. These hinges are designed to be glued into place, using thin c/a. Do not glue these...

  • Page 15

    15 ❑ push the aileron and its hinges into the hinge slots in the trailing edge of the wing, making sure that the torque rod wire is firmly seated within the precut slot in the aileron. ☞ the aileron should be pushed firmly up against the trailing edge, so that there is a minimal hinge gap (no more t...

  • Page 16

    16 ❑ repeat the previous procedures to hinge the second elevator half to the stabilizer. After the c/a and epoxy have fully cured, gently grasp the elevator halves and stabilizer and pull on the elevator halves like you are trying to pull out the hinges. The hinges should hold securely. If one or mo...

  • Page 17

    17 step 4: hinging the rudder ❑ hinge the rudder, using the same techniques that you used to hinge the elevator halves. The rudder is hinged using two hinges. When hinging the rudder, make sure that the top of the rudder is even with the top of the stabilizer and that there is no more than a 1/32" w...

  • Page 18

    18 ❑ slide the cowling into place and align it. When aligned properly, the front of the cowling should be centered around, and be flush with or slightly behind, the front of the gear box. The black anti-glare shield masking lines on the cowling should line up with the corresponding black anti-glare ...

  • Page 19

    19 ❑ secure the cowling to the fuselage, using three m2 x 8mm wood screws, then install your propeller to finish off the installation. ☞ make sure that the back of the propeller doesn't rub against the front of the cowling. ❑ kwik bond thin c/a ❑ # 0 & # 1 phillips head screwdrivers ❑ wire cutters ❑...

  • Page 20

    20 ❑ thread a nylon clevis onto the pushrod wire and snap the clevis into the outermost hole in the control horn. ☞ hold the pushrod wire with a pair of pliers to prevent it from turning or twisting when threading on the clevis. ❑ use a piece of masking tape, taped between the elevator and the stabi...

  • Page 21

    21 ❑ remove the pushrod assembly from the fuselage and make a z-bend in the pushrod wire at the mark you drew. Continued on next page ☛ ☛ ☛ ☛ ☛ ❑ remove the masking tape from the elevator and double-check that both the servo arm and the elevator are still centered. If the elevator is not centered, a...

  • Page 22

    22 ❑ remove the masking tape from the rudder and double-check that both the servo arm and the rudder are still centered. If the rudder is not centered, adjust the clevis until it is. Move the rudder right and left several times to ensure that the pushrod assembly does not bind. It should operate smo...

  • Page 23

    23 ❑ using a modeling knife, cut away and remove the covering material from within the outline you drew. ❑ glue the aileron servo tray into place, using a generous amount of 5 minute epoxy. Remove any excess epoxy, using a paper towel and rubbing alcohol, and allow the epoxy to set up before proceed...

  • Page 24

    24 ❑ thread one nylon clevis onto each pushrod wire and snap the clevises into the adjustable control horns. ☞ hold the pushrod wires with a pair of pliers to prevent them from turning while installing the clevises. ❑ remove the masking tape from the ailerons and double-check that the servo arm and ...

  • Page 25

    25 ❑ working with one landing gear wire for now, secure the landing gear wire to the wing, using one nylon landing gear strap and two m2 x 8mm wood screws. Position the nylon landing gear strap approximately 3/8" in from the outside edge of the landing gear wire, and make sure that the middle of the...

  • Page 26

    26 ❑ (2) clear windscreens ❑ (1) black striping tape ❑ (1) double-sided foam tape ❑ (1) decal set ❑ (1) plastic leading edge fairing you'll need the following parts from the kit: section 14: final assembly ❑ pacer formula 560 canopy glue ❑ # 1 phillips head screwdriver ❑ wire cutters ❑ excel modelin...

  • Page 27

    27 ❑ test-fit and glue the two windscreens to the fuselage, using a thin bead of formula 560 canopy glue. Remove any excess glue, using a paper towel and water, and use pieces of masking tape to hold the windscreens in place until the glue completely dries. Step 3: installing the electronic speed co...

  • Page 28

    28 step 5: installing the flight battery ❑ slide your flight battery through the front cockpit cutout and onto the battery tray. Push the flight battery as far forward as possible, then secure it into place, using the velcro ® strap. ✦ ✦ ✦ ✦ ✦important✦ ✦ ✦ ✦ ✦ when you balance the airplane later, y...

  • Page 29

    29 section 17: preflight check and safety ● check the operation of the throttle. To do this, do the following: a) plug the flight battery into the esc and turn on the radio system. ✦ ✦ ✦ ✦ ✦warning✦ ✦ ✦ ✦ ✦ do not turn the receiver on unless the transmitter is turned on first. Always turn the transm...

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  • Page 31

    31 telling us what you like and don't like determines what model kits we make and how we make them. We would appreciate it if you would take a few minutes of your time to answer the following questions about this kit and your modeling interests. Simply fold this form on the dotted lines, seal with t...

  • Page 32

    32 fold along dotted line fold along dotted line global hobby distributors attn: global services 18480 bandilier circle fountain valley ca 92728-8610 post office will not deliver without proper postage _____________________________ _____________________________ _____________________________ (return ...