Intro: GIANT! Flying! :) MIG-25 FoxBat
Here are my pride and joy. My personally designed MIG-25 FoxBats. This started out as a free choice pattern development project for my drafting class. Instead of making a box or mailing tube I built a to scale model paper airplane. After some minor tweaks, I was able to make a close to scale flying model. My cousin and I then made a few of super-sized models, one to hang in the children section of the local library, one to hang in my office, and one for his bedroom.
Every scale that I have printed/cut/carved (from 10cm to 2m long planes), has glided far and extremely precisely. My teacher and I even played catch with one of the super-sized models in the school hallway.
- CNC knife, laser cutter, hot knife, dremel, or router.
- Scissors or Utility Knife (if you don't have a CNC, it will not fly as well, but will get the job done)
- Printer (also if you do not have a CNC)
- Hot Glue
-Felt Tip Markers and Paint
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Step 1: The Wings
Above are three files. A JPG for printing, a CNC for cutting flat wings, and a CNC file for carving aerodynamic wings.
The X's on the JPG denote areas for gluing.
The ducts are to be folded downwards, and the tail sections upwards, as shown.
Step 2: Body
Here is where things begin to differ
If you are cutting or carving a heavy or thick product such as paneling, cardboard, styrofoam board, plastic cardboard, or MDF you should use the first JPG.
If you are cutting out of a thin material such as paper, you should use the second JPG.
If you are CNC cutting a flay body use the first .crv file.
If you are CNC carving a shaped body use the second .crv file.
Step 3: Gluing, and Taping
Make sure to use an appropriate glue while assembling your aircraft. You do not want to melt your foam or have it come apart in use.
Place tape on all edges of your aircraft to avoid cuts and gouges (injury servility depends on material and mass/size).
Masking or painters tape works well for lighter models.
Duct tape works well to protect the foam from impacts and to protect you from the heavier materials.
Step 4: Painting and Marking
As long as you apply an even coat of paint to the entire aircraft its weight distribution and flight characteristics will not be severely effected.
Step 5: Fly, Display, and Enjoy
Play with, display, and give away the product of you hard work! You now have an airworthy MIG-25. If you have any aerodynamic modifications or design ideas, feel free to contact me :)