The default setting on my Pfaff is 2.5, but I figure the smaller the stitches, the more secure, so I set it to 2.0 for piecing. I don't go any smaller than that because that's the smallest stitch I can easily unsew with the seam ripper. The 2.0 setting translates into 14 stitches per inch---I had to put on the Ott light to count for ya! :p

Gee, my Viking "normal" is 2.5, and that's generally what I use, unless I'm paper-piecing. Then I go much smaller - as small as a 1.5 on little pieces. I've considered going to a 2.0, but haven't done it on a regular basis.

On one of my earlier quilts I decided to try to use up some thread I had around for years. Big mistake! Gave the quilt to my then teenage GS with alot of explanation of how he should appreciate and respect the quilt and he would always have it. tehe. Next thing I know, I am taking the quilt home to hand stitch many of the pieces together as the thread was literly falling apart. No lentgh of stitch would have made a difference.

I use 1.8 for piecing only. That is on both Janome machines--1600 and 9000. Keep a sharp seam ripper handy if needed.

I have a Janome 6600P and I use 2.5 for piecing. don't plan on unsewing, but ya never know.

I use the 1.5 on my Janome 6600 just in case it does come undone. But the thread is as important as the length. Use good quality thread in your quilts and you will have to worry a lot less about thread breakage.
Hope this helps.

I like 2.5 stitch length for piecing.

I have the Janome and I use 2.0 for piecing and 1.8 for strip piecing. This is my first time working with 100% aurifil cotton thread and I am worried about the life of the thread. I have always used a blend thread. I buy alot of vintage thread, and 100% cotton thread loses it tinsle strength as it ages. I will be long gone when the aurifil thread ages, but It still is one of my concerns.

What a great idea to move the needle on the janome for a quarter inch seam. my 1/4 " foot is bigger than 1/4" I am going to try it. Great ideas on QB - great sharing quilters!!!

I have been sewing about 46 yrs, and I use to make clothing and always used a smaller stitch. I use a small stitch for piecing also. I am able to unsew if I need to, never had a seam come out. Probably 1.8 or so. Use the length you like.