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Thread: Hand Crank Discussion

  1. #1
    Super Member SteveH's Avatar
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    Hand Crank Discussion

    hey folks,

    I have had a couple people approach me regarding this age old issue.

    I am SO new to this whole world that sometimes I think things are possible when folks who know WAY more say "been there, tried that".

    With that admission up front I would like to enlist the aid of anyone who feels like helping.

    The goal is to produce one of the following:
    1. A complete handcrank mechanism with 3:1 gears that can be mounted on "non-bossed" machines WITHOUT drilling new holes in the head.
    2. An attachment that will allow non-bossed machines to use existing Singer or PRC handcranks.

    Makitmama sent me this photo of a rare 127 conversion handcrank
    Name:  127 handcrank.jpg
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    What I am looking for right now is a photo of both types (this and the PRC version) from the angle of the red arrow looking at this area.

    Also a photo of diagram of how the area indicated by blue arrow looks on a "normal" treadle machine.

    I like the idea of a clamped on mount at the shaft that then arc's under the handwheel to the handcrank.

    If there is a point at the red arrow area that will allow mounting (bolting, etc) then we could be good to go.

  2. #2
    Super Member SteveH's Avatar
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    Ok, I forgot that "I" had one of the original Singer version.. duhhhh
    Name:  annotated image.jpg
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  3. #3
    Senior Member Pat M.'s Avatar
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    The hand crank I ordered fits my 15-91 clone perfect. screws went right in.

  4. #4
    Super Member SteveH's Avatar
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    cool! I am assuming that your "15-91 clone" does have a motor mount "boss" or lump?

    if your hand crank is a Chinese (PRC) version could you take a photo that is similar to the original singer photo above?

  5. #5
    Super Member cabbagepatchkid's Avatar
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    That would be awesome!! I have a beautiful Singer from the late 1800's that has no motor boss. I would love to be able to put a hand crank on it.
    ~~Cathy~~

  6. #6
    Super Member jlhmnj's Avatar
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    Quote Originally Posted by SteveH View Post
    cool! I am assuming that your "15-91 clone" does have a motor mount "boss" or lump?

    if your hand crank is a Chinese (PRC) version could you take a photo that is similar to the original singer photo above?
    On the new hand cranks I've gotten, the body is cast in one piece. I've had the same thought about mounting a crank on an old head without the boss. Simplest thing I could think of was casting or machining a boss, attaching it to the head and then attaching crank to the boss. Project wasn't feasible for me because I have a bunch of Singers waiting for a hand crank with bosses factory applied but the idea I find very interesting.

  7. #7
    Junior Member makitmama's Avatar
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    Steve, I have a 66 out of a treadle in repaint right now. So if you want a pic of the wheel end, with a ruler overlaid, I can do that pretty easily. I still the the problem with this kind of mount is that the 27 had a low bobbin winder, and most others have one that also attaches to the wheel shaft. Your metal piece for there is going to have to be really thin.
    Cil



    I'm a Queen.... at least my pantyhose say I am!


    (proud caretaker of a magenta 221, purple 222, assorted 66's, a 301, a pink Atlas and Monarch, and Granny's 201-2.

  8. #8
    Super Member SteveH's Avatar
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    Sokey.... I am not at the "here is how we will do this" stage. really. I am just trying to gather the pertinent information to be ABLE to come up with that plan.

    Still waiting for pictures of the new style of handcranks.

    Yes, I would love pictures of your 66 wheel area. I have a red eye "lump" that I could take apart as well but with the Howe and all....

    It sounds like I need to get some mechanical info for the 27 as well. I will look at my 28 and my 128 hand cranks as well.

  9. #9
    Senior Member Mom3's Avatar
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    Steve,

    At some point in my internet surfing I saw a handcrank mount on a non-boss head where the crank mounted to the wooden base NOT to the head.

    Don't know if this info helps any - and of course I don't recall where I saw this.

  10. #10
    Super Member jlhmnj's Avatar
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    Quote Originally Posted by Mom3 View Post
    Steve,

    At some point in my internet surfing I saw a handcrank mount on a non-boss head where the crank mounted to the wooden base NOT to the head.

    Don't know if this info helps any - and of course I don't recall where I saw this.

    I also saw this, it was in the Treade On site and applied to a Willcox and Gibbs Chainstitcher. The W&G was attached to a nicely made "box" case and the crank fastened to the side of the case at the correct height.

    Jon

  11. #11
    Power Poster miriam's Avatar
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    Quote Originally Posted by jlhmnj View Post
    I also saw this, it was in the Treade On site and applied to a Willcox and Gibbs Chainstitcher. The W&G was attached to a nicely made "box" case and the crank fastened to the side of the case at the correct height.

    Jon
    It would be hard to come up with a correct height - there are variations in the height on the machines. I have an old long bobbin machine with a motor attached pretty unique - might work for HC - I'll shoot it and some Chinese hand cranks later.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  12. #12
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    I have a Singer handcrank model 128 (do not have picture) made 12/1949 in Elizabethport, NJ...my question is what is the benefit of a handcrank. I have no clue as this machine was given to me by a relative and I really would like to know if it is usable or just a decoration. Why are people looking to convert to handcranks??

  13. #13
    Power Poster miriam's Avatar
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    You do not have to plug in a hand crank. You might need to mend a sail on a sail boat or fix a tent on the ground. You can sew on your back porch. I want one that will do embroidery some machines have an oddly placed boss or none at all - a HC will sew slow and I can control the speed closer. With the coal generated electric being shut down by the pres. you might want to save money on electric in the next few years.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  14. #14
    Super Member J Miller's Avatar
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    What Miriam says about sewing slow with a HC is so very true. You can literally stitch one stitch at a time consistently and accurately.

    Joe

  15. #15
    Power Poster miriam's Avatar
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    It would be nice for the fancy stitches. How about a HC on a Singer 401???
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

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    Thanks for the info. I may try to get it running. I am a little terrified by the long shuttle bobbin. I guess it would be good during times when power is out. I hate to get rid of it because it belong to my DIL's mother and she gave it to me because she felt I would appreciate it. This board is so helpful. I thank all of you for the info I get every day.

  17. #17
    Power Poster miriam's Avatar
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    Muv's blog has a real good illustration of how to thread the shuttle - she has lots of videos on her blog, too. Muv is the best!!! http://lizzielenard-vintagesewing.bl...ta-manual.html
    I printed it out and put it on card stock with the machine.
    Last edited by miriam; 01-08-2013 at 06:20 AM.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  18. #18
    Super Member J Miller's Avatar
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    How would you put a hand crank on a 401? No external motor bracket boss there.

    I could put a HC on my Alden? I wonder how hard it would be to hand crank that one?

    Joe

  19. #19
    Power Poster miriam's Avatar
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    It's why there is no HC on my 401... The Singer 319 & 306 boss is off set - won't turn right. an off set mount on the HC unit might work...
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  20. #20
    Super Member Caroline S's Avatar
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    It is interesting thread Steve. I have an 1893 Singer 27 that is a perfect candidate to convert to a hand crank. I does not have a boss to mount one though.

    Check out this link,
    http://www.singersewinginfo.co.uk/screw_threads/, perfect for your technical mind.
    Sweet Caroline

  21. #21
    Super Member BoJangles's Avatar
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    I use a HC for free motion thread play when you want/have to be perfectly accurate with your stitches! Great idea Steve!

    How about starting at an easier point and designing a HC for some of our non Singer machines that are impossible to fit a Singer/Chinese HC on even if they have a motor boss? I have a beautiful 1910 New Home that I'd love to get a HC for, but the only HC's available are for Singers! It is virtually impossible to find a HC for any machine, except a Singer, unless you get lucky and can find a vintage HC that was made for your machine.

    Nancy
    Last edited by BoJangles; 01-08-2013 at 07:19 AM.

  22. #22
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    Thanks Miriam. Good info...printed it and also saved it to a folder on desktop

  23. #23
    Power Poster miriam's Avatar
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    Quote Originally Posted by Todie's Mom View Post
    Thanks Miriam. Good info...printed it and also saved it to a folder on desktop
    Muv is a QB member and she has a lot of info on the sticky notes.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  24. #24
    Super Member SteveH's Avatar
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    Quote Originally Posted by Caroline S View Post
    Check out this link, http://www.singersewinginfo.co.uk/screw_threads/, perfect for your technical mind.
    Ohhh thank you.... Bookmarked

  25. #25
    Super Member SteveH's Avatar
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    Yes, the whole point of this is to be able to develop a HandCrank process/mechanism that will work on non-bossed (or offset bossed) machines.

    I think that the most probable way to do this is to mimic the singer RARE device at the beginning of this thread, however nothing is clear yet. NOTE: It works by clamping around the shaft behind the handwheel. and is not connected to the head at all.

    The details we have so far are:
    1. Some machines have bosses for motors
    2. Some machines have off-set bosses for motors
    3. Some machines have NO bosses for motors
    4. Machines have different diameter handwheels
    5. Incorporating bobbin winders is important (if possible)
    6. Original singer handcranks have mounting screws on the bottom
    7. (in theory) New clone handcranks are cast as one piece.(crank and arm) (no photos yet...)
    8. All machines have a shaft that is central to the handwheel....

    I am planning to keep my thoughts mostly to myself until I have most of the details sorted out but I'll say that my idea includes inspiration from the "jackrabbit" (motor on spring-loaded base to contact treadles and run them as electrics) as well.

    Nancy, can you shoot me a photo of the boss area on your New Home?
    Last edited by SteveH; 01-08-2013 at 08:42 AM.

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