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Forum > Sewing Machines > Bobbin capacity on 7 series Berninas ( Moderated by Sharon1952, EleanorSews)

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Bobbin capacity on 7 series Berninas
RipStitcher
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RipStitcher
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Date: 5/7/13 6:10 PM

Dumb question...

But those of you that have this machine, don't those new bobbins hold *at least* twice as much yardage as the typical bobbins?

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cornut
cornut
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Date: 5/7/13 6:46 PM

Bernina says 80% more. They are big that's for sure.

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Theresa

pinkymom
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In reply to RipStitcher <<


Date: 5/7/13 6:48 PM

Yes about that. They seems to never run out. One of the good thing about them.

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Bernina 200E, 750E, 1150MDC, Babylock Evolution, BLCS2, Juki 2010q, Simplicity Blindsticher.


RipStitcher
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Date: 5/7/13 7:21 PM

Yeah... it was that "80%" thing I saw on an email today that I was questioning in my head.

Those darn things seem to be at least twice as big around as a regular bobbin... which means they would hold over 100% more... well over 100% more.

(because each outer wrap of thread is quite a bit longer than those that are next to the bobbin's core)

80% means that they aren't twice as big.

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Video of how the Bionic Gear Bag works is here: www.BionicGearBag.com
Neglected personal blog is here: www.RipStitcher.com
Share pics on Instagram: RipStitcher

Tool junkie at heart!

Bernina 880 Sterling Edition & Bernina 550qe

Next up:
Babylock Sashiko
Babylock serger
& a new-new Sewmobile - see my last #sewmobile in Instagram

lelliebunny
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lelliebunny  Friend of PR
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In reply to RipStitcher <<


Date: 5/7/13 7:37 PM

From what I've been told, they can basically hold an entire small spool of metrosene thread. I don't have one, so I can't tell you for sure.

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it doesn't matter what type of sewing you do. you are sewing, and sewing is good.

ilesliemy
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Date: 5/7/13 10:59 PM

I just finished quilting a medium quilt with lots of quilting and used 2 bobbins. The CB hook Berninas like the older mechanicals and the 440, 630 etc were always larger than the rotary hook bobbins. The bobbin size is one reason I chose this over the PCP and I love my 710 and the bobbin is all I hoped it would be.
I think on the 780 you can tell the machine how full to wind the bobbin. I had no need to have an embroidery machine but it does have some cool features.
Leslie

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Bernina Gal

Maia B
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Maia B  Friend of PR
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Date: 5/8/13 1:33 AM

I'd love for someone who has both an 8 series and a 7 series machine to wind a bobbin on the 7, then wind that off unto an 8 series bobbin and see how much is left, approximately.

I like that on my 820, I can tell it how much to put on a bobbin, though it's pretty easy to do manually on the CB hook machines. Since the 7 and 8 series bobbins are opaque plastic, that programmability is handy.

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🌸 Plenty of machines, mostly Berninas 🌸

hpthecat
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Date: 5/8/13 2:40 AM

Being able to tell the machine how much to wind is one of my favorite features on my 820. Those bobbins are big, and sometimes the job at hand doesn't require the 40% more capacity. I love love love the "count down" feature of it telling you how much is left too-- I have not run out of bobbin thread ever since owning my 820. It's those simple things that make just plain regular all around sewing so much more enjoyable and less aggravating.

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Bernina 820, Babylock Audrey, BL Embellisher, BL Evolution Serger

iSewQuiltArt
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Date: 5/8/13 4:39 AM

Maia, I have both but not the time to sit and do it. Dont forget the inside of both bobbins is a different diameter and the width of the bobbin is also different so it is very hard to know how much thread there is. One way would be to have very sensitive scales and weigh the bobbin. Then wind bobbin and weigh the bobbin with fully wound thread.
And then you could tell which had larger capacity by weight.
How much thread they hold will also depend on the size diameter of the thread.
All I know and care about is that they both hold enormous quantities of thread and that keeps me sewing for a long time before I have to stop and insert another bobbin.
Happy!!

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Quilting up a storm
Bernina Girl, in possession of a small herd...

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