Full-Auto Nerf Rayven





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Published on Apr 22, 2013

This is my full-auto Nerf Rayven.
I use a Hitec HS-82MG servo to actuate the trigger lever and dart pusher like a crank and slider mechanism. There is also an Arduino inside of the blaster that controls the servo and drives the ammo counting display.

I used this blaster at the last SFSU HvZ game (4/21/2013). :)

This blaster is pretty fun to use, but has a handful of problems:
- On three trustfires (in series), it lasts roughly 3 hours before needing a battery swap
- Squibbing still happens, at a little less frequently than one in 18 darts
- Less accurate than my semiautomatic Rayven
- The Blue Display for the ammo counter is hard to read in the sunlight.

I'm looking at increasing the firing rate by increasing the voltage going into the servo. I currently have a 7805 5v Voltage Regulator that's feeding the servo, but the servo is rated for up to 6v. Changing the Voltage Regulator to a 7806 6v should improve the firing rate by a bit.


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