Amount different classes of bobbins hold, comparatively
#1
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Join Date: Jul 2017
Posts: 809
Amount different classes of bobbins hold, comparatively
Does anyone know if this information is available? It seems to me like class 15 look like they hold more, but I've never measured it. Oh! I could weigh empty and full ones, and compare the weight of thread they hold. If no one knows where this info is, I'll try this.
#2
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Join Date: Nov 2010
Location: Utah
Posts: 2,093
Yes, a 15 class bobbin will hold more than a standard rotary bobbin, featherweight bobbin, 66 class bobbin. But I think a White Rotary will hold more, and a Bernina 7 Series machine will hold 75% more than the 15 class bobbin. M class bobbins hold about the same as a Bernina 7 Series bobbin. Don't have any charts with measurements, but I'm a sewing machine tech, and work with all kinds of bobbins.
Just a reminder...only use the bobbins that were intended for your machine.
Just a reminder...only use the bobbins that were intended for your machine.
#4
Super Member
Join Date: May 2017
Location: Sunny Florida
Posts: 4,431
It depends on if the bobbin is pre-wound or self wound according to this link.
https://www.superiorthreads.com/educ...obbin-capacity
I use pre-wound bobbins all the time for regular piecing. There is a lot of thread on them. Totally worth my time to use these. Yes, I also wind about 5 or 6 bobbins at a time when I feel like it. Lazy stitcher!
https://www.superiorthreads.com/educ...obbin-capacity
I use pre-wound bobbins all the time for regular piecing. There is a lot of thread on them. Totally worth my time to use these. Yes, I also wind about 5 or 6 bobbins at a time when I feel like it. Lazy stitcher!
#5
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Join Date: May 2008
Location: MN
Posts: 24,660
#8
I agree. I have started using the prewound Superior bobbins in my Janome and love them. I have been using the Magna-Glides for my LA.
#9
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Join Date: May 2011
Location: Pacific NW
Posts: 9,563
I agree, I think the size/weight of the thread is actually a bigger variable than the bobbin itself. I've used Bottom Line (60 wt) for several years and just recently bought a cone of MicroQuilter, which is 100 wt. I wound a bobbin full and it took forever to fill, quite a bit longer than it takes me to wind a bobbin with Bottom Line.
#10
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Thread Starter
Join Date: Jul 2017
Posts: 809
Yes, a 15 class bobbin will hold more than a standard rotary bobbin, featherweight bobbin, 66 class bobbin. But I think a White Rotary will hold more, and a Bernina 7 Series machine will hold 75% more than the 15 class bobbin. M class bobbins hold about the same as a Bernina 7 Series bobbin. Don't have any charts with measurements, but I'm a sewing machine tech, and work with all kinds of bobbins.
Just a reminder...only use the bobbins that were intended for your machine.
Just a reminder...only use the bobbins that were intended for your machine.
The reason I was thinking about this is that if one had 2 different machines to use for, say, FMQ, the type of bobbin, and therefore the amount of thread it holds, could be a deciding factor. So, I will try one of my 15 class bobbin machines instead of one that uses the 66 class bobbins. That way, I won't have to run out of bobbin thread as much. Its too bad that new Lydia uses 66's.
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