Recent content by rrold1

What I mean is wire wound around a regular permanent magnet. I want to cancel the field of the permanent magnet to allow the rod to release. If energizing a coil around the permanent magnet won't do it, is there a method of doing this? I understand that a latching solenoid would do the trick...

Hi All, I have a project and was hoping for some help here. I need to build a type of solenoid that will move a 3/4 inch diameter rod vertically about four inches and hold it there for a minute plus. This will have to be powered by a battery so energy use is a concern. I have an idea on how...