View Single Post
Old 09-13-2013, 07:30 AM
  #14  
Prism99
Power Poster
 
Join Date: Dec 2008
Location: Western Wisconsin
Posts: 12,930
Default

Originally Posted by mighty
If tension and threading are good could be a warped bobbin.
Yes! Also, overfilling can warp a bobbin.
Prism99 is offline