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AJ Aircraft Acuity Assembly Instructions Manual

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62" AJ Acuity
Assembly Instructions

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Summary of Contents for AJ Aircraft Acuity

  • Page 1 62” AJ Acuity Assembly Instructions...

  • Page 2: Congratulations

    Congratulations The all-new AJ Aircraft Acuity was designed to give you all of the precision flight abilities of expensive composite aircraft, in a more traditional balsa & plywood frame. Designed by our own F3A pattern champion Andrew Jesky, this 62" model will be a perfect introduction to competition pattern aerobatics. With a tall &...

  • Page 3: Table Of Contents

    Radio Installation & Setup ..............................23 Features Specs: What's in the box:  Wing Span - 62"  62” Acuity Airframe  Length - 60"  Fiberglass Cowl & Wheel Pants  AUW (dry) - 5-6 lb  Carbon reinforced landing gear mount ...

  • Page 4: Optional Configurations

    Optional Configurations You have the option of using a pull-pull rudder servo or a push-pull rudder servo setup. Fasteners, control horns and servo connecting rods are provided for optional rudder setups. Recommended Items for Completion  Hacker A50-12s  Falcon 16x10 prop ...

  • Page 5: Covering

    Covering The covering on your Laser may have developed loose areas through temperature and humidity changes between manufacturing and shipping. This may also occur during the summer heat. The covering may require retightening a few times during your first summer of flying. Take a few minutes to go over all of the seams making sure all edges are secure.
  • Page 6 Carefully locate the aileron control horn slots. Use a Slip each of the aileron hinges into the wing. Align the covering iron to bond the covering in the area the control end of the aileron to the wing tip. horn will sit. Trim the covering away to expose the slots. Be sure not to cut through to the top side covering.
  • Page 7 Check the aileron position at the hinges and wing tip Use sand paper to roughen the lower portion of the control horns on both sides. This will help the epoxy again before gluing. bond to the control horn parts. Start with the hinge near the wing tip. Flex the aileron slightly and apply a few drops of thin CA glue to one side.
  • Page 8 Apply epoxy to the slot in the aileron. Use a pin to help Connect the servo to a receiver and power supply. Turn push the epoxy in. on your transmitter. Set trim and sub trim to zero. Install a servo arm on the servo about perpendicular to the servo’s side.
  • Page 9 With the servo installed mark the mounting hole Check the length of the assembly to the servo with the locations. Pre-drill for servo mounting screws using a aileron level with the wing. Once the correct length of 1/16” drill. Install the servo with the wood screws that the assembly is found connect the servo arm to the servo.

  • Page 10: Landing Gear

    Landing Gear Slip the landing gear through the slot. Notice that there are right and left hand parts. The landing gear should be Landing gear parts bag contents are shown below. swept back. Use 4 flat washers from the parts bag with the screws removed earlier to attach the landing gear.
  • Page 11 File a flat on the wheel axels perpendicular to the axel Predrill a 5/64” hole into the wheel pant then add a wood wrench flats. screw to secure the wheel pants. Install the tail wheel after the rudder installation. Install the tailwheel using 3 wood screws. Position the joint of the tail wheel assembly directly over the rudder Install a wheel on the axel with a wheel collar.

  • Page 12: Fuselage

    Fuselage Carefully locate the horizontal stabilizer pocket. Use an Inspect the fuselage for any interior joints that may have iron to seal the covering around the edges of the pocket loosened as a result of shipping & handling. Apply thin before trimming.
  • Page 13 Use an iron to seal the covering around the edges of the Position the stabilizer perpendicular to the fuselage and pocket before cutting. Cut the covering then fold it into parallel to the main wing tube. Measure the distance the pocket and attach it with an iron. If you choose to between the canopy latch and the corners of the use a push-pull rudder servo cut open the back pocket on horizontal stabilizer.

  • Page 14: Elevator

     Use a covering iron to attach the covering around the Glue with 30 minute epoxy.  opening in the bottom of the fuselage. Use a new hobby Remove masing tape. knife blade to cut the covering from the opening. Roughen up the jointer plate for the elevator halves with sand paper so the epoxy will adhere better.
  • Page 15  Mask areas around the jointer plate to prevent excess Test fit the elevator to the horizontal stabilizer. epoxy getting where you don’t want it.  Align the end of the elevator to the end of the stabilizer.  Push the elevator tight against the stabilizer closing Prepare some 30 minute epxoy and apply it to the jointer the gap.
  • Page 16 Install the elevator servo using the same procedure used Assemble a ball link to each end of a connecting rod. when assembling the ailerons. Connect a ball link to a servo horn and the elevator control horn. Use a socket head screw, a flat washer and Connect the servo to a receiver and power supply.

  • Page 17: Rudder

    Rudder Pull-Pull Rudder Control The rudder is built with control horn slots for the push- The rudder control can be configured as a push-pull pull control system and the pull-pull control system. The system or as a pull-pull cable system. See the blue masking tape indicates the control horn locations.
  • Page 18 Tests fit the control horn to the slot. Use a file to modify The vertical stabilizer is already slotted for the hinges. the slot as needed. Center it side to side and align the Use a covering iron to secure the covering along the edge holes with the hinge line.
  • Page 19 Close the gap to the desired position. Flex the rudder Tread the brass cable eyes about half way into the ball slightly and apply a few drops of thin CA glue the bottom links. hinge. Again move the rudder back and forth to check its position.
  • Page 20 Pull the slack out of the cables and make sure the cables cross once inside the fuselage. Connect the ball links to the rudder control horn at 1.77” (45mm) between holes. (A 45mm hole spacing matches the rudder control horn.) Center the rudder in position aligned to the vertical stabilizer.

  • Page 21: Electric Motor

    Electric Motor The firewall is pre-assembled with thread inserts installed on a 58mm diameter bolt circle (41mm X 41mm sq). Use removable thread locker when installing the motor bolts. The cowl length is 4 5/16” (109.5mm) from the firewall. Use nylon zip ties or a hook & loop strap to secure the ESC to the bottom of the motor box.

  • Page 22: Cowl & Canopy

    Cowl & Canopy Install the canopy on to the fuselage. The cowl will be mounted using 4 wood screws through 4 Position the cowl onto the fuselage. holes in the side of the fuselage just in front of the firewall. Align the motor shaft with the center of the cowl.
  • Page 23 Assemble the T-Canaliser to the canopy using a machine screw and washer in the back hole. Finish the assembly by installing the T-Canaliser cover with 2 more machine screws. You may eliminate the T-Canaliser by installing the supplied filler plate instead. aj-aircraft.com Page 22...

  • Page 24: Radio Installation & Setup

    The center of gravity is located 7/16” (11mm) to 7/8” (22mm) behind the wing tube. Enjoy your new plane! We at AJ Aircraft sincerely hope you enjoy flying the 62” AJ Acuity. Feel free to create a support ticket at aj-aircraft.com if you have any problems, questions, or suggestions.

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