Trashcan Monster, Part 2

Moving to 1/2" tubing and fittings definitely sped up the prop.  I think as a general rule of thumb you should go up a size or two on the fittings and tubing.  Even though the cylinder, valve and accumulator all have 1/4" NPT connections, look at the difference between these two fittings:

Halloween Yard Haunt Sound System

I have always had sound for my yard haunts.  Even going back to my childhood I had a basic system - a Halloween record playing through an outdoor speaker.  Over the years it has evolved. 

Trashcan Monster, Part 1

For Halloween 2016 I'm going to try to build a "trashcan monster" shock prop, using a metal trash can from Home Depot.

After getting tired of hooking up a laptop to my Jack in the Box prop to tweak settings, I decided to see what I could do with a small backlit 16x2 display and a pushbutton menu design.  Anything that needs to be adjustable could be done through this interface, simplifying things.