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Blaster for 13.5mm foam darts (like Nerf darts)

by ChatToBrian, published

Blaster for 13.5mm foam darts (like Nerf darts) by ChatToBrian Sep 23, 2016

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3034Views 399Downloads Found in Toys & Games

Summary

https://youtu.be/T97seDFbOkE

This blaster is a truly working and very nice shooting riffle to fire nerf compatible foam darts. It works as a semi automatic A.R. style rifle and It is mostly printed, except for the 2 motors that have to be used and some screws, nuts, glue and threaded rods.

The prints are BIG. This means that printing will take some time, like days :-)

I hope you guys will have a great time making this blaster. Please make it together with your kids and show them how much fun it is to make a cool project like this. As you do, they will fall in love with designing and 3D printing.

Please consider buying me a cold drink, as a blaster like this would easily cost over $150,00 to $250,00 to buy while you can now make it for less then $50,00.

Print Settings

Printer:

Any 3D printer will do

Resolution:

0.2

Infill:

25%


Notes:

Make sure to print the parts one after the other. Don't do more parts together on one build plate.

Also, check the laws in your country. Printing this in all black would not be legal here in the Netherlands. Some countries may want you to have an orange barrel and shoulder part.

Post-Printing

Sand the parts, bind them together using 5mm threaded rods and use glue if needed.

Things you will need are:

  • 2 motors 30mm - 12volt DC
  • 2 m5 threaded rods
  • Some glue (I use hot glue)
  • Nuts and rings m5
  • Foam Darts, like Nerfs or compatible darts
  • Battery inserts (springs and a plate) to make the power supply
  • 8 AA size batteries.

This thing is about a 150 hours print and uses a little bit more then 1KG of filament !!!

How I Designed This

The blaster is drawn in 123D Design.

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Hope you dont mind but I took the effort to Redesign the magazine to hold 11 darts, and be pushed by a rubber band for better feeding. as well as I created a hinge system to be able to make the gun have a collapsible stock. May I post them as a remix?

Yes please do so.
I would love to see what you made out of it :-)

Keep going !!! Love your work !

Sorry to bother you but how long should the M5 threaded rods be?

I will measure exact when I am home again (this weekend) but it's a little under 80cm each

Hi bbriggstkd,

You will need motors like these:
http://www.ebay.com/itm/DC3V-12V-680mA-Motor-20160RPM-High-Speed-Large-Torque-Motor-for-Super-Model-/322225736876?hash=item4b06268cac:g:ppkAAOSwgZ1XreZB

I found them in a local hardware store, and for a previous project a disassembled some from a photo printer.
If they are less then 30mm, you will need to fill the space with hot glue. If you can find them exactly 30mm, they can be press fitted.

Also, If you print the flywheels, make sure to use 5 or more perimeters. There is a hole in the middle of 1mm, but that needs to be wider and therefore you need to drill in it. Make it a little less wide then it should be. Then, press fit the motor to the flywheel. (in between a vice or something similar).

I like this design. Can you post some pictures, instructions and details on the assembly. How do you assemble the motors? Can you give some pictures of the motors. I live in the US so I'd have to find something compatible with what you have but I don't know what to look for.

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