featherweight finally working
I had purchased my FW several months ago at a pretty good price except it did not have a bobbin case. I bought a reproduction case frm EBay. It never did work quite right, but it would sew. I had read that some machines did not work with the reproduction cases. I decided to buy an authentic case. My machine is just humming along now. There is no hitch when I turn the wheel to pick up the bobbin thread, and it no longer has a cracking sound. It sews wonderfully now.
Just thought I would share.