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Buzzard Models F-22 Gym Flyer Instructions Manual

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A fun to fly jet, sized for indoor and backyard flying. Flies very smoothly and is also capable of extreme 
aerobatics. Constructed of extremely durable 6mm EPP foam this airframe will last a long time. Assembly is 
very easy, and can be completed in a few hours. 
 
Specs- 
Wingspan: 16.25" 
Length: 23.5" 
Weight: approx. 55 grams without battery, 70 grams AUW with battery 
Battery: 2S 300mah 
 
 
 
 
F-22 Gym Flyer 
 
Available from buzzardmodels.com 
   
 
 
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Summary of Contents for Buzzard Models F-22 Gym Flyer

  • Page 1   F-22 Gym Flyer        Available from buzzardmodels.com    A fun to fly jet, sized for indoor and backyard flying. Flies very smoothly and is also capable of extreme  aerobatics. Constructed of extremely durable 6mm EPP foam this airframe will last a long time. Assembly is ...
  • Page 2 Please read and understand all steps to these instructions before beginning assembly. This plane is not a toy  and is potentially dangerous to operate. Children should not operate this aircraft without adult supervision.  To start assembly, gather the required electronic hardware and building supplies. You will need some  foam-safe glue, some tape, and optional paint.
  • Page 3 Assembly fuselage sides and install carbon -​ Glue the two fuselage sides together, a little tape can help  hold them together until the glue dries. Glue all of the carbon rod reinforcements in place, they are all the  same diameter. It is a good idea to do this on a very flat surface, keep parts flat while glue dries.  Install lower fuselage and booms -​...
  • Page 4     Install battery holder -​ Glue the right and left battery holders to the lower fuselage and main fuselage, add  a small glue fillet to both sides. Install servos-​ Glue servos into place with output shaft towards the rear.   ...
  • Page 5 Assemble pushrods-​ insert the longer elevon pushrods into the innermost hole on two control horns,  making both a right and a left by alternating which side of the horn the pushrod is on. Do the same for the  shorter aileron pushrods, but use the outermost holes.    ...
  • Page 6 Install pushrods-​ Glue the assembled pushrods and control horns into the precut slots on the elevons and  ailerons. Keep the pushrods to the inside of the control horns.    Connect pushrods to servos-​ For both servos, find the long straight servo arms, and trim away one side.   ...
  • Page 7 Connect pushrods to servos-​ Insert the short pushrod into the outermost hole, from the servo side.    Connect pushrods to servos-​ Push each servo arm onto it’s servo so it is exactly vertical, slide ¾” length of  heat shrink tubing over all three pushrod pieces.   ...
  • Page 8 Connect pushrods to servos-​ While ensuring the fuselage, elevons, and ailerons are all aligned flat with your  work surface, use a soldering iron or other means to shrink the heat shrink tubing. Wick a small amount of  thin CA glue into the heat shrink tubing to lock it in place.   ...
  • Page 9 Adhere servo wires-​ Push RH servo wire through lower fuselage to LH side. Flatten and route the servo wires  in the slots under the main carbon spar, tape into place. I like to use ½” wide 3M blenderm tape, it sticks well  to the epp, and is nearly invisible once applied. ...
  • Page 10 Paint-​ Now is the time to paint if desired. There are many different ways to paint an EPP aircraft. Basic acrylic  craft paint work great. One of the keys to a good paint job on this type of aircraft is to apply a minimum  amount of paint and consequently weight.
  • Page 11 Prep motor and ESC-​ Solder motor directly to esc. Solder appropriate receiver lead. Add heat shrink tubing. If  using tube mount, test fit motor to tube, you may have to add a bit of packaging tape to the motor tube to  ensure a snug fit in the carbon tube engine mount. ...
  • Page 12 Install motor and esc-​ Install the motor with the wires exiting as shown on the aircraft’s RH side. If using a  tube mounted motor, apply a very small amount of medium CA glue and insert motor tube into carbon  motor mount. If using radial mounted motor, use screw supplied with the motor and install motor to radiall  mount.
  • Page 13   Flying Tips - ​ T he Buzzard Models F-22 has a rather low wing loading and does not like much wind.   For your first flight, I would recommend flying either in a large indoor area such as a gymnasium, or wait for a dead calm ...