Recent content by alasz11

No problem. I plan on working on it over Christmas vacation, we'll see how it goes then.

hmm... alright, well, thanks guys, I think I've got the information I need to attempt this project. You've been very helpful, keep up the good work

ah, I vaguely remember the term ferrous, it has to do with outer electrons, right? Is there some harm in this? Would having the tube be made or iron and part of the electromagnet work against me? It seems like it would just be that much more repulsion all the way up and down it. Also, I read...

I don't think it needs to be steel specifically, can't any kind of metal become and electromagnet (like copper or iron)? Or is steel going to give the best magnetic force? Edit: Well, regardless, here's some steel tubing at various lengths and wall thicknesses...

Yes, I was reaching that conclusion in my mind but I'm glad you confirmed it :) Does anyone know where you I can get the materials I'd need for this? I've done some Froogle searching but nothing really came up. I basically need a tube (probably at least an inch inner diameter, I've found ones...

Interesting that that article mentions paintball markers, my project is for a similar application. I'm trying to come up with a better way to pull the spring in airsoft guns, the current way most are done is just using a motor to turn gears to pull the spring back, but that takes a large battery...

Thanks! Now, how exactly would that work in practice? I've drawn up kind of an example (in the attachment). If I were to run wires from each end of the battery to the electromagnet, would that change the charge? So that every time I want to change the charge (to make the permanent magnet be...

Hi, I'm considering working on something (vague, I know), but the whole thing hinges on whether or not it's possible to change the polarization of a magnet, and how. The basic premise is that I need two magnets which are attracting each other (so one positive and one negative charge), but I...