Very nice work. Looks like you could benefit from having a vacuum impregnating varnish tank. Building one might make a good video series. ;) Edit: Can't argue with the results of that second resistance test!
I've wondered about one of those. The problem discouraging me is the cost of the resin. I've reached out to motor shops who will not re-impregnate an old motor because it can contaminate their resin and cause it to cure prematurely. So far, I've had fairly good success with sprayon and other insulating coatings. If I did more of this, I might try to build or locate a vacuum impregnating tank.
Ah, I hadn't realized the resin was so expensive. But, I guess everything is these days. Makes sense about the contamination. I hadn't thought of that.
Hard to know! I think they probably pull it through with a string attached to the end of the wicking material. I have seen pictures of this before but didn't think to add them on the wicks I built here.
Thanks for the comment. As for the motor's design, it is not engineered to be reversible. However, at the point where I was replacing the stator lead wiring, I could have separated the start-winding from the run winding at the Common point. At that point I could have converted it to a four-wire motor which would be reversible.
Ahhh...this takes me back. And the feeling you get after completion, you can't buy that.
Thank you!
Nice job there
Thanks!
Very nice work. Looks like you could benefit from having a vacuum impregnating varnish tank. Building one might make a good video series. ;) Edit: Can't argue with the results of that second resistance test!
I've wondered about one of those. The problem discouraging me is the cost of the resin. I've reached out to motor shops who will not re-impregnate an old motor because it can contaminate their resin and cause it to cure prematurely. So far, I've had fairly good success with sprayon and other insulating coatings. If I did more of this, I might try to build or locate a vacuum impregnating tank.
Ah, I hadn't realized the resin was so expensive. But, I guess everything is these days. Makes sense about the contamination. I hadn't thought of that.
Wow, I had no idea there was that much wicking material in there! I guess they had to have put that in there before pressing in the bearing?
Hard to know! I think they probably pull it through with a string attached to the end of the wicking material. I have seen pictures of this before but didn't think to add them on the wicks I built here.
very good filming and commentary, wondering if that motor is one directional or can you make it run forward and reverse.
Thanks for the comment. As for the motor's design, it is not engineered to be reversible. However, at the point where I was replacing the stator lead wiring, I could have separated the start-winding from the run winding at the Common point. At that point I could have converted it to a four-wire motor which would be reversible.