tag:blogger.com,1999:blog-5376628436133716219.post1392747684804100476..comments2024-03-27T20:33:20.382-07:00Comments on Why I hate physics: Flux and the Air GapMarty Greenhttp://www.blogger.com/profile/17624084719249673373noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5376628436133716219.post-43922280918427895362013-01-11T08:34:03.878-08:002013-01-11T08:34:03.878-08:00A tighter air gap does cause ripple to be produced...A tighter air gap does cause ripple to be produced in the output torque, but most rotors (sometimes stators) have a slight twist in them. Industry calls it a skew. This skew decreases the ripple, but at the cost if decreasing the flux leakage between rotor and stator.<br /><br />You are right that bigger air gap would also reduce it, but it also. increases the leakage flux.Johnnoreply@blogger.com