http://thegravitygroup.com/gravitycast/iaapa-ad-installation-2-the-mystery-is-revealed/ A behind the scenes look at The Gravity Group, LLC, a wooden roller coaster design firm in Cincinnati, OH Tue, 06 Mar 2012 14:15:29 +0000 hourly 1 http://wordpress.org/?v=3.1.4 http://thegravitygroup.com/gravitycast/iaapa-ad-installation-2-the-mystery-is-revealed/comment-page-1/#comment-337 Andy Hoffman Fri, 13 Nov 2009 15:22:51 +0000 http://thegravitygroup.com/gravitycast/?p=400#comment-337 So no wheels under the zero car? So no wheels under the zero car?

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