Flying Spark

by peabody124, published

Flying Spark by peabody124 Jul 4, 2014
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This is a 3d printed mini quad designed to be strong and easy to travel with, having arms that can be quickly removed or replaced.
You can see a writeup on it here with some flight videos.
It is designed in OpenSCAD around the Sparky flight controller which is a small flight controller I designed that fits within the body. The forward facing camera is a Mobius and the battery slides in below both of these. This keeps the design slick looking and aerodynamic.
I'm quite happy with the performance (10+ min with 1500mAh) and the resulting videos (e.g. https://vimeo.com/99939830 )

2014-09-01: uploaded minimal.stl which is a more minimal body component that keeps the flight controller exposed.


I printed the arms and body with 30% infill, 3 shells. Then simply plug the arms into the body and drop one screw through the locking hole to secure each arm. Can be disassembled in a few minutes.

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  I just finished printing it and I'll be ordering the electronics tonight.  I really like the design.     It's even better than the first quad copter I built with the hobbyking sk540 frame.    To keep weight down I am going to attempt to use nylon screws.  I may end up using this quad copter more than my DJI Phantom 1.1.  If this quad flies as good  as it looks I will print another one using carbon fiber reinforced PLA.   Again thanks for posting this.  This is a great platform to build upon. 

I just starting building this quad copter. I have a question about the controller.... does the sparky 2.0 flight controller fit ?
I should have pictures of my quad to post shortly.

hey this is great do the have to original file that I can use to edit, I want to mod it to fit the naze32. let me know thanks.

I need to clean up the OpenSCAD file to make it publishable. I'll try and do it in the next few days.


Any progress on making a bottom plate/cover that will hide/protect the esc's etc...?



No, sorry I got sidetracked. Email me at this user name on gmail and I'll send you the scad file. That would be awesome. My ESCs are just a bit too big to fit (but also just got some KISS ESC)

Ok thanks. Email sent. Cheers

How could I've missed that! Great work so far James, as usual.
I'm gonna print that for sure, I still have a sparky laying around.. :)

Yeah I need to make a modified body with some mounting holes or a flat spot for a GPS. There are just so many types (and I didn't need one for this revision) I hadn't yet.

Can you say a bit more about how the body is printed? are there supports? Looks great, light and protective. Thanks!

No supports. If you look at the cad files on the blog writeup ( http://buildandcrash.blogspot.com/2014/07/flying-spark-3d-printed-mini-quad.htmlhttp://buildandcrash.blogspot.... ) you can see that the internal structures all have a triangular hat over them which makes it print as is.
I printed with 3 shells and 30% infill (with rafts, which is important for the arms).

nice design, wish you can add the esc/power cables to the main body.

Yeah i agree. I designed a tray on the bottom to internalize that stuff, but it didn't quite fit. Hopefully for the next revision i'll get everything nicely on the inside.