Recent content by Davx1992

Thanks for answer, My calculations: 1000 turns Current: 1A , length 0,04m H=25000 Then : (0.00000126/2) * 25000^2 = 393,75 Then: 393,75* 0.00005527000m² = 0,021 ?? Is it correct, and is it kg or lb?? What I calculated?

Yeap, I made electromagnets with bolt inside. It was weak. I think problem is with wire, its too tight problably. And when I made my coil current was 0,5 A. Now I think that i have to make solenoid with 0.5 or 0.6 mm wire, with 1A current, but I don't know how to calculate force, what I can...

Hello, I have some problems with my solenoid calculations. I have spent many hours, on searching for Formulas, and answers, but exact answer I cannot find. I made 2 electromagnets, and then tried with solenoids. Last solenoid was made with 120 m long wire, 0,3 mm, center diameter was 12 mm and 4...