FireFox Instructions
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Designed by Scott Lott
    IMPORTANT: This is NOT a beginner plane! If you are not already an intermediate to advanced flyer, do NOT get this plane, you will not be happy. Picture the MiG-31 FireFox as a super stunt plane, not something you want to start out on. If you are new to RC, get a flight simulator and learn how to fly before you attempt to fly anything.
 
 
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BEFORE YOU START: Please watch the Instructional videos, view all the pictures, before you start. This way you have an overview of what's going on and will be able to "fill in the blanks" yourself as you go along. After you have read all the instructions, seen the instruction videos, and studied the pictures, if you still have questions please email me and I will help you out.
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1. Print out the patterns and use them to cut your aircraft out of foam. Keep in mind all solid lines are to CUT on and all dotted lines are to SCORE AND FOLD on. While looking at the 3-D diagrams on page 2 of the tiled plans and the pictures provided, make sure you MIRROR parts like the engines on the fold and score lines.
2. Glue together your forward and rear wing halves then glue together the two large pieces placing a 6mm x 1mm carbon fiber strip between them for strength.
3. Make sure your engine pieces (they are dark green in the 3-D Diagram on page 2 of the plans) are scored and folded where needed, once again, MAKE SURE THEY ARE MIRRORED. Center and place the 2 pieces that go under the top of the engines (Purple in the 3-D Diagram), place a weight on top of the them and let them dry while you perform the next steps.
4. Center and place the three layers of your forward fuselage, place weights on them as well and allow them to dry. By the way, if you want additional structural support in the nose(not absolutely necessary) then now is the time to place a carbon rod between one of the layers of foam.
5. Cut 45 degree angles into each of your control surfaces as well as on the wings where the control surfaces go, then tape your control surfaces on.
6. Place a piece of piano wire (make it a kinda thick one) across the entire wingspan just forward of the elevons, glue and tape the piano wire down.
 
7. Set up the servos for the 2 elevons with the control rods making sure to center the servo horns. You may need to plug in your battery to center them. Now is the time to set up your control throws and solve any problems you may run into in the future. You want about an inch of flex in each direction.
8. Pull the weights off of your engine pieces and, if the glue is dry, place the 2 vertical stabilizers,glueing them in. 
9. Test fit your engine pieces onto the bottom fuselage once the stabilizers dry, you may need to cut holes for your servos. Once you test fit them and everything fits right, go ahead and glue them into place. MAKE SURE you have the servo wires and servos placed correctly. 
10. Pull the weights off of your forward fuselage and, if the glue is dry, glue it onto the bottom fuselage. 
11. Glue the 4 vent guards (blue and light brown on the 3-D Diagram) onto the bottom fuselage. 
 
12. Glue the bottoms of the engines in place. (Grey on the 3-D Diagram). 
13. Glue the KF airfoil pieces on. 
14. Glue the rear fuselage sides on. (Purple on the 3-D Diagram) then glue the wood for the motor stick mount in place, making sure its absolutely straight.
15. Cut the hole that will allow you to run your motor wires down to your speed control.(You may need to test fit your motor to see where the best location for the wires are.) 
16. Glue and/or screw your motor mount and motor in place on the wooden stick, make sure you have your motor already test fitted with the propeller and know where the propeller is going to be.
17.Fold and score the bottom air intake to make a hatch out of the back of it as shown here. Place a piece of wire(unbent paper clip here) and tape it across the bottom air intake as shown. This will hold the shape of the back for you. Then place and glue the bottom air intake onto the bottom of the main fuselage.
18. Install your speed controller and receiver, plugging in all servos and other electronics in properly. Double check that your glue is dry on the motor and do a test run with the speed controller plugged in, you want to make sure the propeller is spinning the correct direction before you glue and/or tape your speed controller down. 
19. Place velcro or something similar to hold the battery in place on the bottom of the main fuselage. WARNING DO NOT PLACE YOUR BATTERY ON THE HATCH. You want all of the weight of the battery supported completely by your battery strap or velcro attached to the MAIN FUSELAGE, NOT THE HATCH. 
20. Install a method to hold the hatch closed. The 2 methods that I recommend are as follows:
 
 

A) Glue earth magnets into place, as long as your battery doesn't fall this should be fine.

B) Stick a piece of piano wire across the bottom of the model with a curled end, this will allow you to pull the control wire out like a pin. If you use this method you may have to tape the end of the control wire in place to keep it from accidentally sliding out.

21. A couple notes that I found may help you while flying and using this model:

 

A) There are several parts that tend to attract damage during landing and light crashes. Here is an image outlining those parts and what you can do to make this a very tough model without too much work and/or weight.

B) For your first flights don't bend the wing ends down at all. The model is very stable while the wings are straight and very easy to fly. Once you get comfortable enough with the model, go ahead and bend the wings down UP TO 20 degrees.

C) Rolls are a lot less sensitive than pitch. If you have a digital radio, program less sensitivity on the elevator and more on the ailerons to give you consistent performance.

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