 From http://www.mocpages.com/moc.php/11413
This rotating Stargate is 19 inches tall with light-up chevrons. An RCX drives a treadmill, which spins the inner ring randomly for x seconds, then reverses direction, seven times. Won best medium space award and best brick mod at BrickFest 2005.
About this creation
This is my rotating, light-up Stargate. It was constructed over a period of approximately 3 months in mid-2005, and first displayed at BrickFest 2005, where I'm honored to say it took both the Best Medium Space and Best Brick Mod awards.
The gate itself is constructed of four main parts: The base, the walkway, the inner ring, and the outer ring.
The base contains two motors and an RCX unit which drives a hidden treadmill. On top of the treadmill rests the inner ring, whose outer portions are intentionally knobby in order to grab onto the tread. 1x tiles lining the inside walls of the base keep the inner ring standing upright and snug.
The outer ring sits on the inner ring, and is slightly cantilevered between where the outer ring meets the base and the outer supports... this helps support the outer ring and take some of the weight off the inner ring. Some weight needs to be applied, however, since the inner ring is driven by friction against the tread. The inner surface of the outer ring is made up mostly of 1x2 bricks that form a smooth curve.
Posted by Administrator on Friday 20 October 2006 - 11:56:00
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