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

    ZAPJACK

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    Some other pictures
    LeZap
    144.jpg 145.jpg 146.jpg 147.jpg
     
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  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
    158.jpg 159.jpg 160.jpg 161.jpg 162.jpg
     
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  4. Dec 29, 2018 #44

    ZAPJACK

    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
    163.jpg 164.jpg 165.jpg 166.jpg 167.jpg 168.jpg 169.jpg 170.jpg
     
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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

    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

    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

    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.
     

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