Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!tut.cis.ohio-state.edu!sei!rsd From: rsd@sei.cmu.edu (Richard S D'Ippolito) Newsgroups: sci.electronics Subject: Re: Electromagnetic Devices & piezo electrics Message-ID: <21710@as0c.sei.cmu.edu> Date: 27 Feb 91 16:42:27 GMT References: <12581.27c9138d@ecs.umass.edu> Reply-To: rsd@sei.cmu.edu (Richard S D'Ippolito) Organization: Software Engineering Institute, Pittsburgh, PA Lines: 16 In article <12581.27c9138d@ecs.umass.edu> rryan@ecs.umass.edu writes: > Does anyone out there know of an electromagnetic device that is capable >of producing large amounts of force (>200 ft. lbs.) within a high amount of >accuracy (+-.001 in.). I know that this may not be possible but that's what >makes this project oh so much fun. What?? First you ask for a device to produce force, then you give the output value in units of energy (no, it's not torque), and then you give an _error_ spec, which you miscall "accuracy", in units of length! Indeed, this project will be much fun! Cheers, Rich