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redbugsullivan

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Reply with quote  #1 
Can anyone guide me on how to find a spec sheet on long bobbins? I have a micrometer that does both Standard and metric. I can measure and see the differences between one type of bobbin and other.

I can find pics of shuttles for reference. But, I cannot seem to find a general spreadsheet that gives guidance to the stats of the measurements and which shuttles they fit. 

I long for more specific data.  My growing collection needs sorting!! I know there are folks desperate for the right shuttle and more long bobbins. Will someone please point me in the right direction to sort some of these bits out!!

And Steve, thank you for guiding me to starting a new topic. Being sick and tired isn't just a phrase...

Annette
 

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Annette
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jon

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Reply with quote  #2 
Problem with shuttle and bobbins is there is so much variety and many are similar in size.  Dimensions would be helpful but have never come across any.  I  use old catalogs, known Boye contents, and sewing machines on hand to figure out what I have.  Still have a large pile of unknowns but the basics I can pick out.  Best to take pics of the unknowns with specs and perhaps someone will recognize them.

Jon
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Farmer John

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Reply with quote  #3 
Annette, I have prepared such a list, showing overall length, the distance between flanges, flange diameter, and end point configuration (pointed or rounded), and relative Boye # for the bobbins.  For the shuttles, outside diameter, overall length, bore diameter, .  I have done the same for round bobbins 15,66,Elna, Necchi, L, National,Pfaff H, Featherweight D, and White.  For additional round bobbins,  (ABDEFGHIJKLM<MA<P R S), a dimension chart is available fromthethreadexchange.com.
     My lists are in long hand, and this being day one on windows 10 on a new laptop, I wouldn't attempt such a computer project..
John
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redbugsullivan

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Reply with quote  #4 
Wow, Farmer John. I wish I had the extra time to help you. What a worthy accomplishment!

What are my take-aways from this? A data base should be made. ISMACS, NeedleBar, and other groups benefit and help us keep these old machines and their bits from the scrap heap. So, if I start a GoogleDocs spreadsheet with data I have (for those who do not know about such things, it is a shareable database that others can edit and add to as needed) then others would be able to add to it. 

There must be a clearinghouse point. Suggestions?

Here is my background for these points. I am an elementary school teacher with an extensive background in spreadsheets for data. This isn't rocket science, it just requires being purposeful from the beginning. Of course, this effort will require several folks willing to help.  It isn't horribly time consuming, but does take patience. 

What do you folks think? Can "we" think smarter and not work harder?

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Annette
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redbugsullivan

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Reply with quote  #5 
Well, I did it. Broke down and bought a Boye Display case. Step two, use the already created tool that correlates brand of machine with the appropriate needle, shuttle and bobbin. Step three, add column for dimensions of length and width. Too much info can be just that, too much.

There are printed versions of shuttles, their specific design identifiers as images. These images can be shifted to a useable table sorted by...  Boye shuttle number? The vision in my brain is that of a catalog. 

Of course, it will forever be revised. Farmer John, sending you a PM.


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Annette
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cindythequilter

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Reply with quote  #6 
Wow.  A list like that would be wonderful.  Especially with the measurements for long bobbins.  I would love to be able to get a few more for my machines as well.  Is this list/catalogue going to be open for people to view?
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redbugsullivan

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Reply with quote  #7 
The list would be available for any group to share. The objective is to build the knowledge base. There are several ways to find the information but it takes persistence, time, and lots of digging through texts, graphics, and more to locate answers.

Life is short, our hobbies should be enjoyed, and any help with the process is a blessing!

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Annette
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SteveH-VSS

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Reply with quote  #8 
Feel free to post it!  I'd love to be able to add to it myself.
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Saxonbowman

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Reply with quote  #9 
That sounds great! It will be nice to cross reference some of the harder to find bobbins. I have one or two that I might add if somebody doesn't beat me to it.
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karen

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Reply with quote  #10 
There are a few opportunities to purchase unusual (for this area) machines that I don't pursue.  I don't know anything about the shuttle type, size, needles or anything else about machines that are not Singer compatible.
It reminds me of the 1980's, when my sister's family bought their first home computer.  They were told that it was IBM compatible and came with software that could be read on an IBM pc.  This big family investment was an Amiga, basically a games computer. You could do a little artistic stuff, but it was not compatible with IBM pcs.  Too late, it took them another 4 or 5 years to venture into the pc purchasing world.  By this time their oldest son was not going to let his parents be bamboozled.
This is how I regard many machines.  I don't know what I don't know.  So I just leave it.
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redbugsullivan

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Reply with quote  #11 
Karen, this is a totally understandable response. I own one of the earliest Apple computers. This database is all about the here and now. 

How long is your shuttle, how wide is the bobbin? Those machine needles, what are their specs?

This will take the conversation ever...


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Annette
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Deb Milton

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Reply with quote  #12 
I wonder what has become of this project?  I’ve only been a member of this group for a few months and found a link to this thread in a google search.
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jon

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Reply with quote  #13 
Quote:
Originally Posted by Deb Milton
I wonder what has become of this project?  I’ve only been a member of this group for a few months and found a link to this thread in a google search.



Perhaps someone has a private bobbin project going on.  A survey of common bobbin measurements and photos would be useful and a good excuse to dust off the micrometers and calipers.

Jon
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