Got inspired by a video, so I designed this. Its not perfect but it works.
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updated March 3, 2025

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I saw this video:

 https://www.youtube.com/watch?v=FiGefPPbdHc&t=86s&ab_channel=Airzone

and I thought it was cool, I couldn't find anything about making my own one so I did a bit of research and made a design that is heavily inspired by that video. I didn't design the flywheels they where found on thing verse

 https://www.thingiverse.com/thing:2585080/files

I used the G4.6_8.0mm_CW and CCW they aren't meant for the motors but they fit.

When it came to parts I had some T-motor Velox V3 2207 1750kv motors so this design is strictly designed around those, running off a 4s lipo battery.

Make sure the battery is capable of handling at least 90a and 80a continuous.

I have no real expertise with circuitry so I found a website that gave me all the information I needed.

https://suild.com/docs/0

Instead of using this for wiring motors I just wire up a solenoid instead. Because the flywheel motors draw more current then the solenoid I was confident it would be strong enough to handle the solenoid.

The motors are hooked up to two 40a esc which are just hooked up to esc tester to control them. When wiring up the motors just make sure they spin they right way. To make them spin the other way just switch the middle wire and any of the 2 outside wires around.

Its entirely possible to make this a full auto by using a raspberry pi, but I don't know how to code so this model is just semi auto.

You could also put in a rev switch but I didn't see a point, to me this is more a about making a jolt overpowered then functional.

I just did this on a whim with no real knowledge in these subjects so if anything is incorrect/ unsafe or there's a better way of doing everything then just let me know and I'll change the information.

Everything else was bought on AliExpress

  • 1x 12V 35mm solenoid  
  • 2x 40A esc
  • 1x 6x6x5mm pcb tactile switches
  • 1x fast connecter 1 in 4 out
  • 1x small voltmeter
  • 1x IRLB3034 mosfet
  • 1x 1N5408 diode
  • 1x 10k ohm resistor
  • 1x esc tester
  • 1x male xt60 connector with 10cm leads
  • mixture of m3 nuts and bolts

Everything is 3d printed out of petg.

To hold everything in place I just used hotglue, to hold the mag to the main body I used super glue. 

The button is pace behind the trigger, there is a blob of hot glue on the trigger so when you pull the trigger it it hits the button with the blob of hotglue.

There is most likely much more efficient and just overall better designs that could be made. I linked the original fusion file so if you want to make changes you can.

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