75 lines
3.1 KiB
Markdown
75 lines
3.1 KiB
Markdown
+++
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title = "Build notes for the FT Mighty Mini Arrow"
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weight = 0
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sort_by = "weight"
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insert_anchor_links = "right"
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These notes are a condensed version of the [FT Arrow build video](https://www.youtube.com/watch?v=cD2Ca2oskVs).
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## Wings
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* Do an "A" fold on the spars and glue, stop 15mm from each edge. Use a triangle to make sure the spar folds are perpendicular.
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* Open the servo hole.
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* Cut the bevels, double on wing and single on elevon (on the elevon side).
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* Add a thin ribbon on glue on the bottom of the elevon hinge for strength, and scrape almost all of it off.
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* Remove servo pocket from the wing.
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* Fold the wing with the bottom on top, to curve the leading edge without crinkling the airfoil score cuts.
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* Cut the side pods if you aren't going to use a center pod.
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* Glue the side pod hinges.
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* Cut the main pod space on the top of the wing.
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* Skewer the wing score cuts.
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* Line up the spar's servo hole onto the wing and glue onto the top side.
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* Glue the airfoil's score cuts and fold the wing so the score cuts are glued up.
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* Cut the excess spar.
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* Probably put the servos in now, to avoid having to make a hook later.
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* Glue the leading edge, bottoms of the spar, and the end of the trailing edge, and press closed.
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### Joining the wings
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* Tape the wings together at the bottom, glue them together in the middle, lay them down and wipe the excess glue.
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* Cut the excess edge of the nose.
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## Center pod
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* Pop out the foam tabs on the wings, where the center pod will go.
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* Pop out the tabs on the center pod.
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* Do an "A" fold on the bottom plate.
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* Fold the little edge of the top of the center pod over (and/or add tape).
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* Glue the center pod on. The backs of the wing should both be at the same height. Note that still be open/exposed, not glued down. FT leave them like that, but I like to close them up with some tape at the end so junk doesn't get into the wing.
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* Install the control horns and servos (I use epoxy for the control horns as they tend to get ripped out with just hot glue).
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* Use the reflex checker foam to calibrate the wing's reflex.
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* Add a ziptie to the control rod so it doesn't bend.
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## Power pod
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* Install the motor onto the power pod and install the power pod. You probably don't need to glue this, just make sure it's tight.
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* Remove the foam from the sides of the nose.
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* Do a "C" fold on the back bit (and probably add some tape).
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* Carefully bend the nose.
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* Test fit it and glue the front part.
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* Use more tape to secure the front and sides.
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* Add some tape so you can pull the top open.
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* Add some glue to the bottom of the top hatch so it catches and secures on close.
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## Winglets
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* Only cut the top part of the wing, parallel to the bottom.
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* Line up the reference line on the winglets and glue (the front tip of the winglet should be flush with the leading edge).
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## Electronics
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* The rest is left as an exercise to the reader.
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* * *
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<p style="font-size:80%; font-style: italic">
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Last updated on November 27, 2020. For any questions/feedback,
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email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
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</p>
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