Recent content by yomega

I was planning for the hole to be used only for coiling the wire on extra layers but i will try the Teflon tape i tried electric tape but it just slipped off

I managed to source some high quality magnet wire and I was wondering if having a hole in the center of the core would really affect the magnet i was having problems with the wire slipping as i was making the extra layers so if the wire could return to the bottom through a hole it may help. If...

Thanks for the suggestion I will try that and the rod is five feet simply because it was something i had on hand the final product is likely going to be very different than my prototype

I just guessed at the turns I know it is 30 ft of wire around a 3/4in thread and I placed a magnet to the rod and it gets a pretty good connection

It currently only has one layer with probably 100 turns maybe more. I have some rubber coated wire all tho i doubt that would work any better. As for the treads I did some research on it and it won't interfere with the field but it does very well to guide the wire in a smooth spiral.

I am working on a project to make a large scale electromagnet and try as I might I just can't get past one part. Getting it to magnetize. I have built the unit primarily out of a 5 ft rod of threaded steel (I will be replacing it with iron I just happened to have the rod already) wrapped in...

I got this equation from a few friends and to be honest i don't even fully understand it myself yet but i hope it helps 1. The force generated by an electromagnet is approximately: F = mu_r^2 * mu_o * N^2 * I^2 * A / (2 * L^2), where mu_r is relative magnetic permeability of the magnet...