erc PIPER J-5 Manual
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erc PIPER J-5 Manual

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  • Page 2: Glossary Of Terms

    Congratulations on your purchase of the eRC J-5 Cub Trainer. You’re about to embark on an exciting and addictive adventure into model aviation. This J-5 Cub is designed for beginners and not only flys great, but looks like the real thing too. It comes with everything you need to teach yourself to fly and you’ll learn basic terminology along the way as well as how to assemble the...

  • Page 3: Safety Statement

    Safety Statement This is not a toy. You are responsible for the safe operation of this model and any damage or harm it may cause. Before flying the J-5 Cub for the first time please read through the instructions carefully and make sure that your radio equipment is working properly.
  • Page 4 Assembly Open the box and carefully remove all the parts. 1. Fuselage 2. Propeller/Spinner 3. Wing 4. Wing Struts 5. Landing Gear 6. Horizontal Stabilizer/Elevator Vertical Stabilizer/Rudder...

  • Page 5: Attaching The Wing

    Attaching the Wing 1. Find the 4 long screws and the 4 orange plastic washers. 2. Hold the wing near the top of the fuselage and push all the wires into the hole.
  • Page 6 3. Set the wing on top of the fuselage and make sure all the wires go into the hole. Use the included screwdriver to secure the wing to the fuselage. Make sure the wing is tight to the fuselage and does not wiggle.
  • Page 7 5. Use a small pair of pliers or a metal rod with a hook to carefully pull the wires for the wing through. Find both of the matching 2-pin connectors with red and black wires and plug them together making sure the wires match colors.
  • Page 8 Attaching the Wing Struts 7. Start with one side of the wing by locating two long struts, the strut connector, and 8 screws. 8. The struts are identical and have ends with short tabs and ends with longer tabs. Use two screws and attach the longer tab end of the struts to the fuselage.
  • Page 9 9. Note the different strut position holes on the wing. For the beginner 3-channel setting, you will attach the front strut to hole #2 on the right hand side nearest the front of the wing using the provided screws. Attach the back strut to hole #1 on the left hand side nearest the back of the wing.
  • Page 10 10. Use the screws provided to secure the strut connector to the wing and to attach the strut connector to the strut. Do this on both sides of the wing. 11. The completed strut assembly should look like the photo below. Repeat these steps for the other wing.

  • Page 11: Attaching The Tail

    Attaching the Tail 12. Trial fit the Vertical Stabilizer and Horizontal Stabilizer. These are parts 6 and 7 from the parts listing. Note how they key into each other. Place them onto the fuselage as seen in the photo. 13. Screw the tail wheel bracket in place using the long screws provided.

  • Page 12: Installing The Landing Gear

    14. Connect the rudder pushrod clevis to the rudder control horn using the outermost hole. You’re almost done now. Installing the Landing Gear 15. Push the landing gear into the slot just behind the battery hatch. Insert the plastic keeper and secure with a screw. 16.
  • Page 13 Installing the Prop 17. Locate the prop, spinner, washer, nut and 2 screws. 18. First, slide the spinner back plate onto the motor shaft. Then put the propeller on so that the raised lettering on it faces forward. Next slide the washer on the shaft followed by the nut. 19.
  • Page 14 20. Install the spinner with the two screws provided. Finishing Up 21. Re-install the radio compartment cover. 22. Install the battery into the battery hatch in the nose of the airplane and secure using the latch.

  • Page 15: Preparing For Flight

    Your airframe is now complete. You did it! Take a minute and admire the beautiful model that you just put together. Take a photo and post it on forum at http://forums.hobby-lobby.com Preparing for Flight Battery Charging and Care You must first charge your flight battery before flying.

  • Page 16: Center Of Gravity

    Safety Instructions for charging and using Lipo batteries. • Do not put the battery on, or near anything, that can catch fire. • Charge the battery on a non-flammable base, i.e. a metal tray. • Do not disassemble the battery. •...
  • Page 17 Control Surface Check Note: For Receiver-Ready version, use your radio manual for proper setup. Turn the transmitter on and move the throttle stick to the low throttle position. The left hand stick controls throttle. The right hand stick controls elevator (forward/backward) and rudder (left/right). Install the flight battery and plug it into the matching connector inside the fuselage.
  • Page 18 Let’s ensure that the control surfaces move in the proper direction. Stand behind the airplane with nose facing away from you. Move the right stick to the right. The rudder should point to your right. If the rudder moves to the left, you need to move the Ail switch on the transmitter.
  • Page 19 Next, move the right stick back. The elevator should point up. If it points down, you need to move the Ele switch on the transmitter. Check again to ensure that moving the stick backwards moves the elevator up. Now let’s center the control surfaces. The trim tabs on your radio move the control surfaces a small amount.
  • Page 20 Now look at the elevator and rudder. They should appear level with the rest of the surface as seen in the photo below. If the rudder or elevator is not level, center it with the trim tabs. For instance, if the elevator is pointing down, you can move the elevator trim tab to move the elevator up until it is level.

  • Page 21: Control Throws

    Control Throws This section is for the receiver ready version. If you purchased the Read-To-Fly J-5 with the radio included, skip down to the “At the Field” section. The control surfaces should move the following amounts for 3 and 4-channel setups. Rudder –...

  • Page 22: At The Field

    At the Field When choosing a flying site, it is important to have plenty of space to fly. Avoid areas with pedestrians, trees, buildings, cars, or power lines. An area the size of a football field with no obstructions nearby is perfect.

  • Page 23: Taking Off

    Taking off Your J-5 Cub can take to the air with a hand launch or an ROG (Rise Off the Ground). For hand launching, it is a good idea to have a second person help. Turn on the transmitter first and then connect the flight battery. Hold the plane level and above and to the side of your head while pointed into the wind.
  • Page 24 Landing That battery will last about 8-10 minutes and then it will be time to land. Point the plane into the wind and reduce power until the model slowly descends. At 2 feet off the ground, apply a small amount of backward movement on the elevator stick to flare and allow the plane to softly touch down.

  • Page 25: Channel Control

    4-Channel Control After you’ve learned to fly around comfortably and land safely with 3-channel control (rudder, elevator, and throttle) you are ready to add the ailerons and experience 4-channel flying. The following instructions will guide you through the 4-channel setup process. Enjoy.
  • Page 26 It should look like this when done. Remove the clevis that is attached to each aileron control horn. Now you will need to move the ailerons up and down about 15 times to work the hinges in. They will be stiff at first and should move freely when done.
  • Page 27 Open the radio bay with a screwdriver. Remove the servo plug from the #2 channel in the receiver and plug it into the #4 channel. This is connected to the rudder servo. Now find the servo lead from the wing that has not been connected.
  • Page 28 If the ailerons move backwards, change the position of the AIL reverse switch on the face of the radio. Now move the left hand stick to the right while standing behind the plane. The rudder should move to the right. If the rudder moves backwards, change the position of the RUD reverse switch on the face of the radio.
  • Page 29 4-Channel Flying You will find that flying with all 4 channels will give you greater control and allow you to perform more aerobatics. The right hand stick will still be used to turn the airplane. It does this by using the ailerons now instead of the rudder to roll the plane into a bank.

  • Page 30: Troubleshooting

    Troubleshooting Warranty Information Thanks for your eRC J-5 Cub purchase. This airplane and its components are warrantied to be free from physical, mechanical, and electronic defects at the time of purchase. You should check the mechanical operations and general physical condition of the airplane prior to flying.
  • Page 31 Spare Parts for ERC J-5 Cub Part No Description Retail ERC2201 J-5 Airframe Only $129.99 ERC2210 7.4V 2S 1600mAH Lipo Battery $19.99 ERC2202 Fuselage $39.99 ERC2203 Main Wing Set $27.99 ERC2206 Tail Wing Set (Rudder&Elevator) $13.99 ERC2207 Cowl with Dummy Engine $5.99...

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