Originally Posted by
JustAbitCrazy
Have you actually done this? Asking because I think the top thread is actually used at a faster rate than the bobbin thread. I think the top thread would run out long before the bobbin did.
I was thinking the same thing. I can't remember what I did, but a few years ago I did something that made me realize the upper thread was going at a faster rate.
I can tell when my machine runs out of thread because it sounds different.