There are several designs utilizing ServorRams® in motion bases. Below, there is a link to a QuickTime movie of a USNAVY motion base using a previous generation of ServoRams®. These motion bases feature:

	Emag-400 Series Motion Base (PDF)
	Emag-2000 Series Motion Base (PDF)
	Emag-3300 Series Motion Base (PDF)

Key Benefits

	No Hydraulics - no mess, no cooling, no pumps or high-pressure pipes
	No ballscrews - no noise, no wear, no windup or slow response
	Inherent force sensing allows body motion interaction
	Simple, wide-tolerance, robust mechanical design
	Fully sealed (waterproof) machinery
	Very low maintenance requirement
	Off-the-shelf power units and controllers
	Unsurpassed performance - an order of magnitude better than the best hydraulic system
	Faster, smoother and more precise response
	Self-contained and fully-automatic counterbalancing
	High power efficiency through patented design features

Related Documents (in Adobe Acrobat PDF format - download free viewer here)

	Notes on the Use of Electromagnetic Rams in Motion Bases (13K PDF)
	The performance of the ServoRam in motion systems (47K PDF)

Demo Media (in Apple's QuickTime format - download free viewer here)

USNAVY Stewart Platform using ServoRams® - Watch QT Movie [9.2MB] To download, right click on the link and choose "Save Target As...". Note: Since this machine was manufactured, AMT has developed a range of yet more powerful, efficient and compact rams, allowing many other types of motion base to be constructed.