In trying to make a strong electromagnet the challenge for me was in finding soft ferrite cores but I was able to finally find a couple of U cores and since they're hard to come by I bought two since it didn't cost all that much more. But basically I was wondering what the effect would be of using the same magnet wire to wind one U core and then continue the wire onto a second U core and having both stacked together. What comes to mind is mutual inductance, but as far as field strength/size I have zero clue what the outcome will be other than I am guessing it will be stronger assuming I am winding in the proper directions.
So, assuming I laid out two U cores size by side and winding magnet wire on each leg of each U core (no windings on the bottom) I would start on the left leg of the first U core and arbitrarily wind clockwise applying multiple layers on that leg, then I would proceed to the second leg of the first U my direction of winding would then be counter-clockwise with multiple layers. At that point I would begin with the first leg on the second U core and I would now wind clockwise on that leg and then counter-clockwise on the second leg of the second U core. Does this sound right?
On all legs I would be winding multiple layers of wire so that each leg fills up nearly half the space of the gap between the U, and my idea was that when winding say top to bottom on a given leg I wouldn't send a straight length of wire back to the top and then down, I would simply continue winding back from bottom to top in the same wrap direction as I did from top to bottom.
The final configuration would be taking those two U cores and stacking them (as opposed to side by side during winding). Does my idea make sense or is there a better way in using two U cores like this? This is territory where I have like no experience but I truly appreciate the insights you all have to offer. Thanks very much.
(EDIT: When I say stacked together I mean stacked in such a way so that if you were looking at them directly forward, the other U core would be hidden behind the one in front)
So, assuming I laid out two U cores size by side and winding magnet wire on each leg of each U core (no windings on the bottom) I would start on the left leg of the first U core and arbitrarily wind clockwise applying multiple layers on that leg, then I would proceed to the second leg of the first U my direction of winding would then be counter-clockwise with multiple layers. At that point I would begin with the first leg on the second U core and I would now wind clockwise on that leg and then counter-clockwise on the second leg of the second U core. Does this sound right?
On all legs I would be winding multiple layers of wire so that each leg fills up nearly half the space of the gap between the U, and my idea was that when winding say top to bottom on a given leg I wouldn't send a straight length of wire back to the top and then down, I would simply continue winding back from bottom to top in the same wrap direction as I did from top to bottom.
The final configuration would be taking those two U cores and stacking them (as opposed to side by side during winding). Does my idea make sense or is there a better way in using two U cores like this? This is territory where I have like no experience but I truly appreciate the insights you all have to offer. Thanks very much.
(EDIT: When I say stacked together I mean stacked in such a way so that if you were looking at them directly forward, the other U core would be hidden behind the one in front)