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Thread: Converting a machine to hand crank

  1. #1
    Super Member ArizonaKAT's Avatar
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    Converting a machine to hand crank

    Is this possible? While searching for my hand crank machine, I've found a good amount of machines that look like they should be hand cranks but don't have the crank. Can you put a hand crank on a machine that's never had one?

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    Super Member Charlee's Avatar
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    It depends on the machine. Send a PM to Mizkaki (Cathy)...she's a WIZARD at it!
    One day, you'll only be a memory for some people. Do your best to be a good one.

    http://charleeturner.blogspot.com

  3. #3
    Super Member quilt addict's Avatar
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    For Singer machines, you have to check that there is boss in the casting to accept the screw for the hand crank. Generally this is on the side just under the balance wheel. It is possible to drill and tap a hole also to accept the hand crank. I don't know but I am sure that other machines have a similar set up.
    Lisa

  4. #4
    Super Member ArizonaKAT's Avatar
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    Can someone post a pic of the actual wheel on their machine? I can't find a detailed pic of the actual hand crank.

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    Senior Member Mom3's Avatar
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    As quilt addict said you have to have the motor boss. The motor boss is nothing more than a hole in the casting just under the hand wheel.

    Original handcrank machines had a spoked wheel that the crank attached to - however - you can notch a solid wheel to accept a handcrank. Personally, I wouldn't notch a solid wheel but to each his own in that thought process.

    I converted my Singer Red Eye to a handcrank but my Red Eye had a spoked wheel and the motor boss hole. I was lucky enough to find an original handcrank but there are imported handcranks available from Sew Classic: http://shop.sew-classic.com/Hand-Cra...lt-SCMI604.htm On that page you will also see a replacement spoked wheel. You can also zoom in on the handcrank to get a good look at it.

    Also on that site are directions for notching a solid wheel to accept a handcrank: http://blog.sew-classic.com/2009/05/...ack-again.aspx

    Shari

    Quote Originally Posted by ArizonaKAT View Post
    Can someone post a pic of the actual wheel on their machine? I can't find a detailed pic of the actual hand crank.

  6. #6
    Power Poster miriam's Avatar
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    http://www.youtube.com/watch?v=x75Pywf723s someone hand cranking a FW - not very efficient though

    http://www.treadleon.net/sewingmachi...k/fwcrank.html
    I think what they did with the wheel would work for any hand wheel.

    You need not only the motor mount boss but it has to line up with the center of the wheel.
    My 319 has the boss but it is not lined up straight with the center of the hand wheel so it will not hand crank.
    I have a Singer 66 redeye I hoped to HC - no motor boss - it merely has a tapped hole to hold a motor. The shaped part is not there and it goes at an angle rather than straight up and down - so that won't hold a HC.

    here is another type of HC only one revolution per crank though.
    http://www.ebay.com/itm/FEATHERWEIGH...46235745492338
    Last edited by miriam; 03-20-2012 at 03:45 AM.
    NEVER let a sewing machine know you are in a hurry.
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  7. #7
    Super Member cabbagepatchkid's Avatar
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    Close up pics of handcrank

    Here are a couple of close up pics of the motor boss hole (just below the spoked wheel in the picture) and an attached hand crank. I love the little "clinkety clink" sound of a hand crank sewing machine when you are cranking it
    Attached Images Attached Images

    ~~Cathy~~

  8. #8
    Senior Member Mom3's Avatar
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    Just to let you know how much fun a handcrank can be: We visited with our son and family recently, I brought 3 of my 'girls' with me included my Red Eye handcrank. Our little grandsons (ages 2 & 4) cranked the sewing machine when I did the straight seams on book bags that I made for them.

    By popular demand, from our grandsons, I have to bring the Red Eye back when we come to visit again.

    Shari

  9. #9
    Super Member BarbaraSue's Avatar
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    I made my Singer 128 into a hand crank. I followed Sew-Classic.com on the details. My DH used a hacksaw to cut the slot for the hand crank. It works beautifully.
    Good Luck on getting yours!
    To make lots of quilts, is to have lots of scraps, and I do, and I do.
    BarbaraSue

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    Hi CABBAGEPATCHKID, WOW, THIS IS TRULY A BEAUTIFUL MACHINE, I AM PRESENTLY TRYING TO RESTORE A MODEL 66, THE GRAPHICS ARE ALL GOOD EXCEPT THEN ONES ON THE FLAT BED ITSELF, AND I WAS ABLE TO COMPLETELY DISASSEMBLE THE MACHINE, AND BUFF ALL OF THE NICKLE PLATED PARTS BACK TO THEIR ORIGINAL SHINE. BACK WHEN THESE MACHINES WERE BUILT, SINGER WAS NOT USING CHROME PLATE, JUST NICKLE PLATE, AND IT IS VERY BRIGHT, BUT NOT "WHITE BRIGHT" LIKE CHROME, ALL OF THE IMPORTED REPRODUCTIONS I HAVE FOUND ARE CHROME PLATED, AND JUST LOOK TOOOO NEW, UNREALISTIC ACTUALLY. ANYWAY I FELL IN LOVE WITH YOUR HAND CRANK MACHINE AND HAD TO COMMENT. DOES ANYONE KNOW OF A TRICK FOR CLEANING THE HEAD WITHOUT REMOVING THE GRAPHICS? ANY ADVISE WOULD BE APPRECIATED. Duane Hampton planeshavings42

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    Barbrasue, wish you would post a picture of your model 128 converted to hand crank, would love to see it...planeshavings42 Duane Hampton

  12. #12
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    There's a really good post about spoked wheels by Rain in his blog:
    http://vssmb.blogspot.com/2011/07/lo...eels.html#more

    If you find a machine with a spoked wheel and a motor boss, the repro crank is all you need. That would be the easiest.

  13. #13
    Power Poster miriam's Avatar
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    I have an old red eye with no boss - I made it into a 1 x 1 ratio HC for my grand daughter. She has some vision problems and this is much easier for her. I got the part at NAPA.
    Name:  4H 010.JPG
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    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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    Senior Member Cecilia S.'s Avatar
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    I am very interested in this thread.

    WARNING: Moronic questions may follow; I am the Novicest of Novices!

    So, not having seen in person a hand crank, I had envisioned that one would simply attach a nice handle to the wheel, to enable it to be turned by, um, hand. But it was illustrated on this thread that this will pretty much mean one complete crank rotation per stitch. Hmmmm. Is that correct?

    It was also mentioned that one need a spoked wheel; could someone kindly tell me why one needs a spoked wheel?

    What is a "motor boss"? (Told you I know almost nothing...)

    Finally, one of the photos shows a more complicated handcrank mechanism which seems to drive the handwheel with a belt, thereby presumably giving a more effective number of stitches per hand-crank rotation?

    I would like to learn more, as I aspire to convert my latest rescue into a hand crank. Perhaps. ;-)

  15. #15
    Super Member manicmike's Avatar
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    Quote Originally Posted by Cecilia S. View Post
    So, not having seen in person a hand crank,
    http://www.youtube.com/watch?v=D9DAZTh8744
    Here you go. Generally three stitches per crank rotation. They're great for children to learn sewing (all the old children's machines were HC).
    EDIT: Motor boss is the raised bit the motor is mounted on and can slide up and down. Cranks are mounted on the same boss
    Singers: model 12 MOP (1885) Improved Family (1886) 29k58 (1939) 44K11 (1921) 96k41 (1947) 103K (1950) 2 x 201K23 206k11 (1950) 222k (1959) 320k2(1959) 331K4 (1964) 451K145 (1960)
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    Junior Member MadCow333's Avatar
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    The shuttle machines make a lovely handcranker.

    People griped about the Chinese repro handcranks feeling notchy and annoying, not smooth. I opened mine up and put grease in there, either the Singer grease if I had some or red grease or white lithium grease from the auto parts store.

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    Power Poster miriam's Avatar
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    Quote Originally Posted by miriam View Post
    I have an old red eye with no boss - I made it into a 1 x 1 ratio HC for my grand daughter. She has some vision problems and this is much easier for her. I got the part at NAPA.
    Name:  4H 010.JPG
Views: 480
Size:  143.8 KB
    This one has one revolution. The usual HC has 1 revolution and 3 stitches. The 1:3 turns backwards. This one turns toward me. It did not need a machine boss. The machine does not have a boss but someone did drill a hole and tap it for a bolt - the regular Chinese HC will not fit - it needs the raised area to work the Chinese HC.
    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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    Hi Miriam, I'm hoping you are still subscribed to this thread! I am trying to hand crank a singer industrial machine which has no motor boss and this looks ideal but I can't find the part anywhere, do you have a link I can look at please and is there a tutorial?

    Quote Originally Posted by miriam View Post
    I have an old red eye with no boss - I made it into a 1 x 1 ratio HC for my grand daughter. She has some vision problems and this is much easier for her. I got the part at NAPA.
    Name:  4H 010.JPG
Views: 480
Size:  143.8 KB

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    It's a "suicide" knob for a steering wheel, that may help in finding them. Start by checking auto parts stores. Or find yourself a vintage tractor that has one and take it off.
    My name is Cathy - and I'm addicted to old sewing machines and their attachments.

  20. #20
    Super Member SteveH's Avatar
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    Curious? Why would a person want to hand crank at 1:1 on an industrial?

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    Member DKuehn's Avatar
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    Quote Originally Posted by SteveH View Post
    Curious? Why would a person want to hand crank at 1:1 on an industrial?
    To improve arm wrestling skills.

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    Because I have no other choice! She's the size of a 15 and I don't have room for a treadle. I'm also missing the special bracket that helps mount them on a table top. They aren't that common round here so i don't want to drill and tap for a bolt, and I'd need to buy the motor boss bit (which are available but expensive)
    I am also just a teensy bit of a masochist

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    Quote Originally Posted by SteveH View Post
    Curious? Why would a person want to hand crank at 1:1 on an industrial?

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    That helps a lot Macybaby, thank you

  24. #24
    Super Member SteveH's Avatar
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    Quote Originally Posted by tiny-umbrellas View Post
    Because I have no other choice! She's the size of a 15 and I don't have room for a treadle. I'm also missing the special bracket that helps mount them on a table top. They aren't that common round here so i don't want to drill and tap for a bolt, and I'd need to buy the motor boss bit (which are available but expensive) I am also just a teensy bit of a masochist
    Oh, I get why to make it a handcrank, it is just that the 3:1 that you get from an actual handcrank makes it SO much easier to sew with.

    So that machine has the spoked wheel, (which the regular handcrank would connect to to operate) but no motor boss.

    There are a couple of options I see.

    One is you could make it a portable electric. If it is a 15 base, then a case would fit. Making a bracket to mount the motor to the case not the machine would not be too difficult

    The other option is that some makes of machines used bed or base mounted handcranks. one of those might be able to fit

    the last is the wheel spinner. You may have to buy them online. they are not legal on cars in several states so not many parts stores do not carry them (at least around here that is)

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    Thanks Steve!

    Quote Originally Posted by SteveH View Post
    One is you could make it a portable electric. If it is a 15 base, then a case would fit. Making a bracket to mount the motor to the case not the machine would not be too difficult
    I'm not sure about the exact size, i'll have to measure the pins and the base. There was a bracket that was supposed to be part of the machine that helped it to bolt into a table but i might not need it I do have a spare motor hanging around, so i wonder how that could work! Getting the bases here is tricky, might have to buy a trashed machine and part it out

    Quote Originally Posted by SteveH View Post
    The other option is that some makes of machines used bed or base mounted handcranks. one of those might be able to fit
    I have seen some of those for sale, i don't know how to calculate what measurements need to fit for it to work, any ideas?

    Quote Originally Posted by SteveH View Post
    the last is the wheel spinner. You may have to buy them online. they are not legal on cars in several states so not many parts stores do not carry them (at least around here that is)
    They are legal here in Australia afaik, sold in tractor parts shops and also as mobility aids for driving cars

    I'm starting to thinkt his might just work! Trying to source some 128x4 needles from the local industrial machine shop.

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