Designed
by Jason Forsythe
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Our Friends! *
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Designed
by Jason Forsythe |
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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 X-20 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 plans. Tape
them together and transfer to your 6mm Depron. Then cut out all of the parts
noticing the quantity of each part that is required. |
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Our Friends! * |
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| 2. Place the two wing halves together and tape them along the whole length of one side. This will act like a hinge and allow the wing halves to fold one direction only. | ||||||||||
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3. Fold the wing halves back a bit, and using your favorite glue (I use hot glue) add glue to one side. Immediately lay the glued halves flat with the taped side down. | |||||||||
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4. Cut out the elevons. Sand a 40-45 degree bevel in the elevons and the wings where they attach. Make sure you make a mirrored pair of elevons and sand the corresponding side of the wing. Attach with tape. | |||||||||
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5. Use a straight edge and indent the fuse sides (press down cautiously but firmly) in the correct location. This will allow the fuse sides to follow the curve of the nose. Make sure to make a mirrored pair! | |||||||||
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6. Glue one side around the nose. (If it does not match up perfectly, do not be concerned. The nose will be sanded round later). | |||||||||
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7. Glue the rest of the fuse side making sure to match the rear up correctly. | |||||||||
| 8. Repeat for the other side. | ||||||||||
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9. Use a straight edge and indent the top fuse piece to allow it to curve around the nose. | |||||||||
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10. Glue the fuse top to the sides starting from the front and working your way back. When you get close to the rear, leave enough unglued to allow you to add your motor and esc. Again, you will round the nose and fuse top later. | |||||||||
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11. Now glue in the rear of the fuse (Be sure to mount it straight up and down and at a 90 degree angle to the trust line!) | |||||||||
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12. Sand the fuse sides flush with the rear of the fuse. Also sand the nose and top of the fuse round. | |||||||||
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13. Glue two air intakes together. Sand the sides and the rear, but leave the front flat. Repeat making sure to make a mirrored pair! | |||||||||
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14.
Glue the completed intakes to the wing. Make sure it is butted up against
the fuse. |
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15. Attach your control horns to the elevons. | |||||||||
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16. Make two 5.25” long control rods with z bends at both ends. | |||||||||
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17. Center the servo arms on the servo and attach the control rods to the servo and the control horns. | |||||||||
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18. Slide the servo front to back until the elevon is flat with the servo arm at 90 degrees vertical. Then, hot glue or use double sided tape to keep the servo in that position. | |||||||||
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19. Poke holes in the side of the fuse right behind the servo and run the leads inside the fuse. | |||||||||
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20.
Attach your motor to your esc and MAKE SURE IT IS ROTATING THE CORECT DIRECTION
with the prop on the correct direction. |
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| 21. Make a slot in the top of the fuse at the rear. Slide the esc in the fuse and the motor wires in the slot. Glue the top down. | ||||||||||
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22. Glue a light ply motor mount to the rear and sand flush with the bottom of the fuse. Then, bolt your motor to the mount. | |||||||||
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23. Use the fuse side template and draw a canopy shape to your preference. Then, cut it out and use the paper to transfer your canopy design to the sides. | |||||||||
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24. Cut out the canopy along the lines you drew. | |||||||||
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25. Add your RX. Add Velcro to hold your battery. Make sure the CG is set at 10.75” back from the nose at the center of the plane for first flights. The CG can be moved back to 11” or even 11.25” when you are comfortable with the flight characteristics. | |||||||||
| 26. Set you control throws with .5” of movement in every direction. | ||||||||||
| 27. don’t forget that deltas need reflex (up trim) to fly level, the X-20 needs about 4mm of up trim. | ||||||||||
| 28.
Tape the canopy on or use magnets! |
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