Recent content by TimT

Thanks so much for the replies. My goal is have the force on the plunger be relatively constant over the distance it travels. Or, to phrase it another way, a person pulling on the plunger would have to exert a constant force of 200N to bring the plunger out from a fully depressed position...

I'm trying to construct an electromagnet that, when a loose piece of iron is inside the solenoid, will create a field that will attract that piece of iron with at least 200N of force. My thought is that I can fill half of the solenoid with an iron core, leaving space in the other half for the...