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	<title>Comments on: Halloween prop: the ground-breaker</title>
	<atom:link href="http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/feed/" rel="self" type="application/rss+xml" />
	<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/</link>
	<description>Fresh hacks every day</description>
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	<item>
		<title>By: costumes for kids</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-135746</link>
		<dc:creator><![CDATA[costumes for kids]]></dc:creator>
		<pubDate>Mon, 12 Apr 2010 20:01:08 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-135746</guid>
		<description><![CDATA[Great post!! It&#039;s more for scaring kids away than bringing them in. Then again, maybe that&#039;s what Halloween is about. Take things to the extreme.]]></description>
		<content:encoded><![CDATA[<p>Great post!! It&#8217;s more for scaring kids away than bringing them in. Then again, maybe that&#8217;s what Halloween is about. Take things to the extreme.</p>
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	<item>
		<title>By: iamavatar</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-133812</link>
		<dc:creator><![CDATA[iamavatar]]></dc:creator>
		<pubDate>Fri, 02 Apr 2010 15:32:21 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-133812</guid>
		<description><![CDATA[Awesome I&#039;ll have to try and put one of these together seems like a perfect addition to a home haunter]]></description>
		<content:encoded><![CDATA[<p>Awesome I&#8217;ll have to try and put one of these together seems like a perfect addition to a home haunter</p>
]]></content:encoded>
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	<item>
		<title>By: Halloween Costumes</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-129680</link>
		<dc:creator><![CDATA[Halloween Costumes]]></dc:creator>
		<pubDate>Sun, 14 Mar 2010 01:55:42 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-129680</guid>
		<description><![CDATA[That is really cool!  I have always wondered how these things were built.  I bet this really scared the kids.  It looks like you really put a lot of time into this. Great job!]]></description>
		<content:encoded><![CDATA[<p>That is really cool!  I have always wondered how these things were built.  I bet this really scared the kids.  It looks like you really put a lot of time into this. Great job!</p>
]]></content:encoded>
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	<item>
		<title>By: HauntedWolf</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-98058</link>
		<dc:creator><![CDATA[HauntedWolf]]></dc:creator>
		<pubDate>Fri, 02 Oct 2009 04:15:45 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-98058</guid>
		<description><![CDATA[Oops...I meant to say real cylinders are NOT much more than door closers.]]></description>
		<content:encoded><![CDATA[<p>Oops&#8230;I meant to say real cylinders are NOT much more than door closers.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: HauntedWolf</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-98057</link>
		<dc:creator><![CDATA[HauntedWolf]]></dc:creator>
		<pubDate>Fri, 02 Oct 2009 04:14:49 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-98057</guid>
		<description><![CDATA[There is a local supply house that we got a bulk price on...even so, they were still $22ish each.  You can buy them from FrightProps or MonsterGuts...both are good vendors.

Please don&#039;t use door closers...they weren&#039;t meant for this kind of thing.  Better to buy the real thing especially since they are that much more.  Better than accidentally hurting someone.

The cylinders on the zombie were only 2&quot; throw...door closers are closer to 5&quot;, not sure how well they would work.]]></description>
		<content:encoded><![CDATA[<p>There is a local supply house that we got a bulk price on&#8230;even so, they were still $22ish each.  You can buy them from FrightProps or MonsterGuts&#8230;both are good vendors.</p>
<p>Please don&#8217;t use door closers&#8230;they weren&#8217;t meant for this kind of thing.  Better to buy the real thing especially since they are that much more.  Better than accidentally hurting someone.</p>
<p>The cylinders on the zombie were only 2&#8243; throw&#8230;door closers are closer to 5&#8243;, not sure how well they would work.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Steve</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-97362</link>
		<dc:creator><![CDATA[Steve]]></dc:creator>
		<pubDate>Tue, 29 Sep 2009 19:56:51 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-97362</guid>
		<description><![CDATA[HauntedWolf,

Can you say where you buy your solenoids from?  They seem to be the most expensive part.]]></description>
		<content:encoded><![CDATA[<p>HauntedWolf,</p>
<p>Can you say where you buy your solenoids from?  They seem to be the most expensive part.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: dbear</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-97092</link>
		<dc:creator><![CDATA[dbear]]></dc:creator>
		<pubDate>Mon, 28 Sep 2009 19:03:13 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-97092</guid>
		<description><![CDATA[I mean a permanent link.]]></description>
		<content:encoded><![CDATA[<p>I mean a permanent link.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: dbear</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-97090</link>
		<dc:creator><![CDATA[dbear]]></dc:creator>
		<pubDate>Mon, 28 Sep 2009 19:01:39 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-97090</guid>
		<description><![CDATA[How about a special link on Halloween hacks like the cellphone hacks link? Make it easier to find them.]]></description>
		<content:encoded><![CDATA[<p>How about a special link on Halloween hacks like the cellphone hacks link? Make it easier to find them.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Matthew</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-97054</link>
		<dc:creator><![CDATA[Matthew]]></dc:creator>
		<pubDate>Mon, 28 Sep 2009 15:39:17 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-97054</guid>
		<description><![CDATA[I&#039;m not sure where to get small pneumatic cylinders like that on the cheep (try ebay?) but if you want a larger one, you can make it from a $6 pneumatic cylinder from a screen door closer. just take out the screw that you turn to make it close faster or slower, drill out the hole, tap it, and connect it to an air source. it will automatically return to a closed position when you release that air too...]]></description>
		<content:encoded><![CDATA[<p>I&#8217;m not sure where to get small pneumatic cylinders like that on the cheep (try ebay?) but if you want a larger one, you can make it from a $6 pneumatic cylinder from a screen door closer. just take out the screw that you turn to make it close faster or slower, drill out the hole, tap it, and connect it to an air source. it will automatically return to a closed position when you release that air too&#8230;</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: walt</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-97051</link>
		<dc:creator><![CDATA[walt]]></dc:creator>
		<pubDate>Mon, 28 Sep 2009 15:23:35 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-97051</guid>
		<description><![CDATA[looks pretty cool. wish there was more video of the finished product.

what&#039;s with all the haters?]]></description>
		<content:encoded><![CDATA[<p>looks pretty cool. wish there was more video of the finished product.</p>
<p>what&#8217;s with all the haters?</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: trollinator</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-96985</link>
		<dc:creator><![CDATA[trollinator]]></dc:creator>
		<pubDate>Mon, 28 Sep 2009 05:47:55 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-96985</guid>
		<description><![CDATA[what a fag, i mean a flaming homosexual. that  thing sucks major cock.]]></description>
		<content:encoded><![CDATA[<p>what a fag, i mean a flaming homosexual. that  thing sucks major cock.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: DarwinSurvivor</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-96789</link>
		<dc:creator><![CDATA[DarwinSurvivor]]></dc:creator>
		<pubDate>Sun, 27 Sep 2009 11:38:02 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-96789</guid>
		<description><![CDATA[I&#039;ve used those exact pneumatics pieces in high school. He should have closed the vents a little to slow down the cylinders so it wasn&#039;t quite a &quot;jerky&quot;.]]></description>
		<content:encoded><![CDATA[<p>I&#8217;ve used those exact pneumatics pieces in high school. He should have closed the vents a little to slow down the cylinders so it wasn&#8217;t quite a &#8220;jerky&#8221;.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: HauntedWolf</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-96768</link>
		<dc:creator><![CDATA[HauntedWolf]]></dc:creator>
		<pubDate>Sun, 27 Sep 2009 06:51:51 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-96768</guid>
		<description><![CDATA[That should have been pressure mat, not switch.]]></description>
		<content:encoded><![CDATA[<p>That should have been pressure mat, not switch.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: HauntedWolf</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-96767</link>
		<dc:creator><![CDATA[HauntedWolf]]></dc:creator>
		<pubDate>Sun, 27 Sep 2009 06:51:26 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-96767</guid>
		<description><![CDATA[I forgot to mention most of us will be using a pressure switch to trigger it...but any motion sensor should also work.  EFX-Tek has a PIR (passive infra red) sensor that interfaces directly to the Prop-1 controller.]]></description>
		<content:encoded><![CDATA[<p>I forgot to mention most of us will be using a pressure switch to trigger it&#8230;but any motion sensor should also work.  EFX-Tek has a PIR (passive infra red) sensor that interfaces directly to the Prop-1 controller.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: HauntedWolf</title>
		<link>http://hackaday.com/2009/09/26/halloween-prop-the-ground-breaker/comment-page-1/#comment-96766</link>
		<dc:creator><![CDATA[HauntedWolf]]></dc:creator>
		<pubDate>Sun, 27 Sep 2009 06:46:12 +0000</pubDate>
		<guid isPermaLink="false">http://hackaday.com/?p=16162#comment-96766</guid>
		<description><![CDATA[Casa Fear is a member of our local haunters group and we built these at one of our gatherings, so I hope I can help...

He is using a PicaBoo controller.  However the Prop-1 Controller available from www.efx-tek.com can also be used (it is on mine).  Search their forums and you will find source code.  I am using a VMusic2 to deal with the audio...The PicaBoo controller has built in sound support.

The cylinders can be found on eBay (if you are lucky), www.monsterguts.com or www.frightprops.com.  They are 2&quot; double acting cylinders.  The solenoids we used are actually 5 way...1 in, 2 out, 2 exhaust.  If using with a controller, these need to be 12VDC.

The total cost of the prop came it at about $200...depends on final cost of cylinders.  We found a killer deal on eBay for ours.  Your mileage may vary.

GREAT prop...you really need to see it in person to appreciate it.

Hope this helps...I&#039;ll monitor the thread and answer what I can....good luck!]]></description>
		<content:encoded><![CDATA[<p>Casa Fear is a member of our local haunters group and we built these at one of our gatherings, so I hope I can help&#8230;</p>
<p>He is using a PicaBoo controller.  However the Prop-1 Controller available from <a href="http://www.efx-tek.com" rel="nofollow">http://www.efx-tek.com</a> can also be used (it is on mine).  Search their forums and you will find source code.  I am using a VMusic2 to deal with the audio&#8230;The PicaBoo controller has built in sound support.</p>
<p>The cylinders can be found on eBay (if you are lucky), <a href="http://www.monsterguts.com" rel="nofollow">http://www.monsterguts.com</a> or <a href="http://www.frightprops.com" rel="nofollow">http://www.frightprops.com</a>.  They are 2&#8243; double acting cylinders.  The solenoids we used are actually 5 way&#8230;1 in, 2 out, 2 exhaust.  If using with a controller, these need to be 12VDC.</p>
<p>The total cost of the prop came it at about $200&#8230;depends on final cost of cylinders.  We found a killer deal on eBay for ours.  Your mileage may vary.</p>
<p>GREAT prop&#8230;you really need to see it in person to appreciate it.</p>
<p>Hope this helps&#8230;I&#8217;ll monitor the thread and answer what I can&#8230;.good luck!</p>
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