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  1. ZAPJACK

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

    Now the cast iron flywheel and clutch. To get a maximum accuracy, center in bronze is machined together with the flywheel LeZap
  2. ZAPJACK

    Gipsy Major 4 Cylinder Engine in 1/3 scale

    Hi, No casting problems. I buy it directly by Reinhold in Germany. It was the last kit (only 10 made!!!) But, I'm busy with the Lanz HP. After this, I will back on the Gipsy. The BR2 is also in my desk.... From april, I will have much more free-time, and of course more time for my hobby regards...
  3. ZAPJACK

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

    After lot of troubles for the machining of the small 14-tooth gear (chain driven) the last was the good one LeZap
  4. ZAPJACK

    Gipsy Major 4 Cylinder Engine in 1/3 scale

    Hi Joerom, I'm also busy with this project. Regards LeZap
  5. ZAPJACK

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

    Thanks Brian for those informations. Really amazing kit's I translate it in french and publish on local forum. Regards LeZap
  6. ZAPJACK

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

    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
  7. ZAPJACK

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

    Still running ! but fitting takes a lot of time Here is the four half dive shaft. and the mess on my workshop LeZap
  8. ZAPJACK

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

    Some other pictures LeZap
  9. ZAPJACK

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

    Now the intake cover from bar-stock and the gasoil fuel-cap First blank mounting LeZap
  10. ZAPJACK

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

    After the frame and fitting accessories on it, here is the muffler completely coming from bar-stock in middle steel. After machining, the parts are completely polished. LeZap
  11. ZAPJACK

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

    Next steps of the frame. Polishing the welded zone. It’s after finishing that I understand the high importance of all the sizes, angles, … There is lot of measurement on the gear box, differential, front axle, frame pivot, all angles are so important Don’t forget, it’s an articulated 4WD type...
  12. ZAPJACK

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

    Here is the frame on the jig No any stress during the TIG welding. But welded carefully, one time on the left side and one time on the right side LeZap
  13. ZAPJACK

    ZAPJACK's workshop

    Last but not least, a new Maprox chuck (Swiss made) Ultra thin and direct mounting on W20 spindle LeZap
  14. ZAPJACK

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

    This is the articled joint housing. Again, with lot of Zero setting, controls, .... LeZap
  15. ZAPJACK

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

    This is the articled join (articulated tractor) and the universal join LeZap
  16. ZAPJACK

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

    Again a complicate parts with lot of "zero setting" How can I qualify this kind of job? with the boring head. Is it "external boring" ?? LeZap
  17. ZAPJACK

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

    114 & 115 is the finished differential body 116 is the rear differential housing. The steel axle is for the zero setting and to be sure that all the axles are perfect square 117, 118 & 119 are the rear axle bearing. Again, I often use steel axle for zero setting and square fitted LeZap
  18. ZAPJACK

    ZAPJACK's workshop

    Oups! sorry, the car was a mistake. But by the way it's standard cabriolet with AMG kit. Arkograf, is a tool for the marking HSS tools for exemple. Or all kind of marking on hard metal Regards LeZap
  19. ZAPJACK

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

    machining the differential housing. It's a basic spur gearing differential At first, centering with a centering microscope and with dial test indicator. Finally, machining carefully LeZap
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