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  1. Replies
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    Weighs not quite 7500, so be careful

    Weighs not quite 7500, so be careful
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    383

    Earlier Pacemaker just says "A reversing type,...

    Earlier Pacemaker just says "A reversing type, packless pump driven by the initial drive shaft". In other words - probably at the opposite end from the clutch and input sheave
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    I'll assume you actually got the 20 stud, 80...

    I'll assume you actually got the 20 stud, 80 idler and 56 tooth gear box gears all on and meshing properly

    You can assure yourself it is either doing what its supposed to or not.

    Put it in 20...
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    368

    Scan from 1913 BIG catalog - though I have yet to...

    Scan from 1913 BIG catalog - though I have yet to find a reference to three step cones. The 1 1/2 was gone by the BIG 1923 catalog

    323414
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    Might be helpful from 1940. Says 19 5/8" front...

    Might be helpful from 1940. Says 19 5/8" front of lathe foot to back of drive foot. This is a catalog dedicated to 9" South Bends at that time. SB marked it as being Catalog 50-A

    323408
  6. Here is the catalog from about 1917 - thanks to...

    Here is the catalog from about 1917 - thanks to Greg Menke for hosting it for me

    http://pounceatron.dreamhosters.com/docs/kt/kt-milwaukee-catalogue19-circa1917-port.pdf

    Had a head like it, gave...
  7. A bush from anything (hardwood, plastic) that...

    A bush from anything (hardwood, plastic) that fits the bar and the spindle bore back there has worked for me over many years
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    Requiring only a smaller radius tool and some...

    Requiring only a smaller radius tool and some "figuring"

    323354
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    TheIronTree It needs to fit which ever draw...

    TheIronTree

    It needs to fit which ever draw back nut you happen to have (like L1) and the other end needs to be long enough to suit you.

    323335
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    31? 41? (these would be 3" bar machines) Help...

    31? 41? (these would be 3" bar machines)

    Help us to help you
  11. Replies
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    1,105

    Need the 56 working and the 40 stored doing...

    Need the 56 working and the 40 stored doing nothing - if you want the threading (20 TPI) to be right

    You can fairly plainly see this in the photo in Post #3

    Or better yet from the link in Post...
  12. (above) Timekiller commenting in other thread ...

    (above) Timekiller commenting in other thread

    My Sidney Tritrol Lathes brochure (someone penciled 12/32 on cover) says the 3 1/2 X 5 TPI spindle was used on the 14 and 16. As can be seen in upper...
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    Note behind the stored 40 should be this gearbox...

    Note behind the stored 40 should be this gearbox gear
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    One of the how-to threads on posting photos ...

    One of the how-to threads on posting photos

    https://www.practicalmachinist.com/vb/south-bend-lathes/posting-pictures-south-bend-forum-372508/?highlight=photos

    have fun
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    :D No doubt just fine Walter - but then I sold...

    :D No doubt just fine Walter - but then I sold that lathe and that great hook spanner you made in 2009
  16. Here is a 25" from about 100 years back. Shop...

    Here is a 25" from about 100 years back. Shop number tag interesting but remains to be seen if anyone ever connects such with dates. This is a double back gear cone head and is quite heavy duty for...
  17. The larger the "bolt circle" the less the stress...

    The larger the "bolt circle" the less the stress the "Dutchmen" have to put up with. So maybe a larger piece than 1 1/4"
  18. So.... is that a 25 HP IDLER or a 25 HP starting...

    So.... is that a 25 HP IDLER or a 25 HP starting capability?

    AR wants you should get an ADX 50 to start a 25 HP:D
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    Profile shows an email for Earl if you want to...

    Profile shows an email for Earl if you want to try that
  20. Added scans to Post #2

    Added scans to Post #2
  21. Its a Jig Bore class spindle. So that means it...

    Its a Jig Bore class spindle. So that means it can reliably bore holes that are a higher class than a mill would do. I'll shoot the pages from Catalog KT 57 and include them in an edit tomorrow
    ...
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    1/2" pitch is 2 TPI "one full thread over 2...

    1/2" pitch is 2 TPI

    "one full thread over 2 inches" is 1/2 thread per inch

    Since you stated your coarsest thread is 4 TPI - you would need an 8 to one "speed up compound " in the left end...
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    Here is one quite a bit later - in 1901 Manning,...

    Here is one quite a bit later - in 1901 Manning, Maxwell & Moore hard bound catalog

    323024

    And one for sale a few years back in the Denver area

    323036323037323038323039
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    Further to that - do you have the right stud gear...

    Further to that - do you have the right stud gear installed? There are two of them to choose from

    322938

    A look at your chart on your quick change gear box in the first column on left will...
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    That's a fine looking pinion Kevin

    That's a fine looking pinion Kevin
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