Cheap motion activated coffin

Cheap motion activated coffin
This is how I built a coffin that has sound, fog, lights, and a motion activated lid. To watch a video see my photobucket site.
 
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Step 1Building the coffin

Building the coffin
I started by cutting a piece of plywood to the shape and size of the bottom of the coffin. From there I built a simple frame out of 2x4s. I attached 1x4s to make the exterior of the coffin.
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25 comments
Sep 23, 2011. 7:53 PMBrian Fuehrer says:
That is a great looking coffin you built there. Too bad it got ruined in the flooding of your storage shed. I do have a question if you dont mind me asking. When you say you watered down the grey paint, how much water did you add to how much paint? Was it a 50 50 solution? Thanks!
Aug 30, 2010. 6:19 PMbethehammer says:
very nice, more details on parts used, sources, and close up pictures of the key assemblies. Thanks!
Oct 20, 2008. 2:19 PMrpg007 says:
using the flasher relay does the coffin continuously open and close once activated?
Oct 24, 2007. 9:15 PMsavagemania says:
Does anyone have more info on how the solenoid and pneumatics work.
Jun 16, 2008. 5:43 AMphilipster says:
if it is the valve yuor talking about look around in Google and look for sprinkler hack a mod of turning a sprinkler into a airtight valve pretty handy too i made one :)
Jun 16, 2008. 5:40 AMphilipster says:
a pneumatic or the air one is like a hydrolic ram and the electric one uses a motor to push it up and a solenoid is sorta like a valve that uses a pin to lift up a valve to let what every your flowing through the valve if your talking about the valve one thats my way i i think thats what it is...
Oct 17, 2007. 10:26 AMaskickn1 says:
what is it that releases the air quickly when it shuts off? why is the air supply split into three different directions. Thanks for your info. great Idea.
Oct 7, 2007. 5:27 PMpadfan says:
May I suggest adding fake skeleton arms and hands to the door of the coffin. It will look like something is trying to escape.
Apr 25, 2007. 9:38 PMIAE says:
what's your foto bucet site????
Mar 14, 2007. 10:20 PMplace name here- says:
Cool I like the DIY pneumatic actuator system
Oct 23, 2006. 1:02 AMeaglemanusa says:
to cut down on the weight, I used L brackets instead of wood at all the joints and the bottom was just nailed into the sides. worked well.
Oct 16, 2006. 10:32 AMgiustie says:
wow amazing this would be a nice project to try...
Oct 12, 2006. 1:54 PMjasonmphoto says:
That looks fantastic. I'm curious about the weight of the coffin. Can one person lift and move it? Do you think 2x2's would be strudy enough for the inner framing?
Oct 8, 2006. 12:27 AMmbl85 says:
love it. have you ever thought about making a fog chiller to create a low lying for effect or fog waterfall to spew out of your coffin?
Oct 5, 2006. 6:45 PMzachninme says:
All I can say is "Wow" Really, that's it. I am just so amazed. Awesome job! (And glad to hear about photobucket movies!)
Oct 5, 2006. 5:05 PMewilhelm says:
Sorry that we don't yet support movies from photobucket! I just added it to the todo list.

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