old tractor LANZ HP 4WD 1923 (scale 1/4)

Discussion in 'Engines From Castings' started by ZAPJACK, Jan 5, 2018.

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  1. Sep 23, 2018 #41

    Gordo

    Gordo

    Gordo

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    Beautiful work and some interesting set ups. Keep up the good work.
     
  2. Sep 24, 2018 #42

    ZAPJACK

    ZAPJACK

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    Some other pictures
    LeZap
    144.jpg 145.jpg 146.jpg 147.jpg
     
  3. Dec 25, 2018 #43

    ZAPJACK

    ZAPJACK

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    Still running ! but fitting takes a lot of time
    Here is the four half dive shaft.
    and the mess on my workshop
    LeZap
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  4. Dec 29, 2018 #44

    ZAPJACK

    ZAPJACK

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    Here is the blank mounting of rear axle. Included: differential, Hooke's joint and frame pivot.
    The last pictures are the machining of hexagonal inside hole.
    LeZap
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  5. Dec 30, 2018 #45

    Brian Rupnow

    Brian Rupnow

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    Zapjack--that rear axle assembly has spurred a memory. Back in the 1930's and 1940's you could buy an "Autotrack" kit to convert an automobile to a tractor. There were two very large steel wheels with an internal ring gear on them, and a separate axle for those wheels to mount on. Also provided in the kit were two small pinion gears which mounted to the original car axle. The car body was removed, and the car's rear axle mounted to the frame without springs. The separate axle for the large steel wheels mounted to the frame far enough forward of the car axle that the pinion gears on the original car axle mated with the large internal ring gears on the wheels. They had awesome power, but you had to make a large box and attach it to the cars frame and fill it with rocks to get traction to the wheels. They had so much torque that a few people were killed when the rear wheels hit an obstacle that prevented them from turning and the car chassis "walked" right up the internal ring gears and flipped over backwards crushing the driver.----Brian
    [​IMG]
     
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  6. Dec 30, 2018 #46

    OldRon

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    Those conversions were sold buy Sears, Roebuck and Company.
     
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  7. Dec 30, 2018 #47

    ZAPJACK

    ZAPJACK

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    Thanks Brian for those informations.
    Really amazing kit's
    I translate it in french and publish on local forum.
    Regards
    LeZap
     
  8. Jan 1, 2019 #48

    LorenOtto

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    I have just stumbled onto you build and am very impressed. You do beautiful work and I will be following your build.
     
  9. Feb 10, 2019 #49

    ZAPJACK

    ZAPJACK

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    After lot of troubles for the machining of the small 14-tooth gear (chain driven) the last was the good one
    LeZap
    175.jpg 176.jpg 177.jpg 178.jpg 179.jpg
     
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  10. Feb 11, 2019 #50

    ZAPJACK

    ZAPJACK

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    Now the cast iron flywheel and clutch.
    To get a maximum accuracy, center in bronze is machined together with the flywheel
    LeZap
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  11. Mar 3, 2019 #51

    ZAPJACK

    ZAPJACK

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    Next step of the clutch lever bearing
    Complete from bar-stock
    Regards
    LeZap
    DSC_0830.jpg DSC_0831.jpg DSC_0833.jpg DSC_0835.jpg
     
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  12. Mar 3, 2019 #52

    k2steve

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    That is one neat crazy universal mill, What is that?
    Great looking work!
     
  13. Mar 4, 2019 #53

    ZAPJACK

    ZAPJACK

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    Raw parts from barstock
    Failed one
    Finished one
    LeZap
    201.jpg 202.jpg 203.jpg
     
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  14. May 5, 2019 #54

    ZAPJACK

    ZAPJACK

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    Here is the machining of the clutch pads. It's not a centrifugal clutch, but drive by hand-lever.
    The Ferodo is made from leather.
    LeZap
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  15. May 5, 2019 #55

    bobden72

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    Nice work, almost identical to the clutch arrangement on my Case traction engine I built. Keep the pictures coming.
     
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  16. May 8, 2019 #56

    ZAPJACK

    ZAPJACK

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    Some view with blank mounting
    LeZap
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  17. May 13, 2019 #57

    ZAPJACK

    ZAPJACK

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    All the parts are first sand blasted before painting
    coat of primer, two coats of RAL7031 (grey) and a finishing coat of two component varnish
    LeZap
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    Last edited: May 13, 2019
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  18. May 13, 2019 #58

    johnmcc69

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    Very nice work! Looks like the full size machine!

    John
     
  19. May 13, 2019 #59

    MADJACK

    MADJACK

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    Beautiful work!
     

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