Foam Dart GUN (pullback loading)

by senns, published

Foam Dart GUN (pullback loading) by senns Jan 2, 2017


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8153Views 1303Downloads Found in Mechanical Toys


This is my Nerf compatible Foam Dart Gun inspired by http://www.thingiverse.com/thing:16726

Assembling and Test Video: https://youtu.be/g2fyyax5hDA

all parts are printed with a layer height of 0,15mm

If you want a nice and smooth fit you have to sand the cylinder and barrel.

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I haven't sanded inside of the cylinder yet, but after printing it's inside diameter is 24.80mm and the piston's outside diameter is 22.15mm, after sanding that cap will just increase. Am I missing something? I don't think that will work.
I also had problems finding just the right front spring. Bought bag of same diameters except wire being 2mm thick, the spring is waaay to strong for this.
Well, this has been good project to teach my son some troubleshooting and patience :)

After long and hard searching for the main spring, it would be cheaper to buy big Nerf gun than to build this. Those springs are very very hard to find and when you find them, you get to pay over 50 euro for pack of 10. The gun will not work with other size spring, I tried couple of different. Also, couple of printed parts have wrong diameters in them, you need to do a lot of troubleshooting. I can't recommend anyone to print this, it's just easier to design your own nerf gun from scratch!

Awesome, thanks for sharing! My cousins will love it. :D

What exactly is the rubber part that absorbs the impact?

could u take a version for normal plate 20x20 cm?

BOM or where you sourced your parts please

Very awesome design!!!!!

Any luck finding the right springs?

bought all parts at amazon in the third picture you can see some info about them

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