I just purchased the coronet. If you want to quilt a queen size quilt you have to do it in sections. There is a you tube that shows how it is done on the Handiquilter Simply Sixteen which is basically the same machine as the coronet and the same frame.
https://www.youtube.com/watch?v=cKLlhc50tzU. It works a little different than the larger machines. You have to prepare your quilt sandwich before the load it on the frame. There is another you tube that shows you how to sandwich a quilt using an ironing board, iron and basting spray. I have made two quilts using this method and it works great. The site is :
https://www.youtube.com/watch?v=GPedPf4hdVY