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Posted (edited)

Well, in my book that rules out anything with a stitch length lever that flips up and down. Those settings are mere suggestions and repeatability is all but absent.

Dials for stitch length adjustments are a step in the right direction, which only the modern heavy stitchers have. Having two dials to pre-set two stitch length and switching between them with a button press is easy/convenient.

Examples: Durkopp Adler 969

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and Juki LS-2342H

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The most precise and repeatable stitch length machines are probably electronic wheel driven machines with stepper motor drives, like the Pfaff 1591, but those are medium duty machines:

 

Edited by Uwe

Uwe (pronounced "OOH-vuh" )

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Posted

impressive machines these Pfaffs :huh: - wondering if there will be someone who will (or can) restore them in 50 - 75 years  ;)

~ Keep "OLD CAST IRON" alive - it´s worth it ~

Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2

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Posted

The Pearson/BUSM no6 harness stitcher uses a rotating dial with the stitch length indicated in stitches per inch, which is always accurate when stitching the heavy, stiff leathers for which it was designed as (a) it is a needle feed, so no chance of slippage (b) in normal use the needles are kept straight by us of the needle steady and (c) it has a true square motion drive on the needle, as opposed to the more common pendulum motion which changes stitch length depending on the thickness of the material. Shame they stopped making them about forty years ago...

Out of interest, why do you want this feature? I have never felt at a disadvantage using a machine without it -- I always use some scrap of the same substance and thickness as the project as a test sample, and that can be used to check stitch length.

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Posted
1 hour ago, T Moore Medicine Hat Saddlery said:

To match the stitching when Re lining saddles. I have not had good luck with the 441 and adler  machines in the past.   I have a pearson but the stitch length knob does not work oro]rely. Maybe it just needs to be corrected 

Ah yes I remember you had some issues with stitch length. Did you look at the tightness of the gibs as I suggested?

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Posted

You might inquire in your general area to see if there are any Mennonite or Amish harness shops. If so, ask if any of them have a Union Lockstitch machine. I have owned two of them and they will match holes well. They have true square drive and needle feed (with a jump foot) and the needles don't bend much if you are using a #3 to #4 needle (perfect for 6 cord or #346 thread). It would be worth your time to check out one in working condition.

The Campbell Randall lockstitch machines are even more reliable feeders because the awl feeds the leather.

Posted IMHO, by Wiz

My current crop of sewing machines:

Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.

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Posted
49 minutes ago, T Moore Medicine Hat Saddlery said:

MattS

I have the pearson sewing really nice right now but the knob that is supposed to adjust the stitch length don't adjust anything it just spins and the stitch remains the same. I love the machine but it's just sewing 7 to the inch 

 

Does the screw on the back of the stitch length adjusting dial touch the corresponding screw on the large arm at the top back of the machine at any point? It should touch as you turn the handle somewhere between 12 o'clock and 1 o'clock.

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