Tank Subtractor Gearbox

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This is a compact dual differential subtractor gearbox which uses the bevel differential rather than the traditional spur gear ones.
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MOC-15812

Name Tank Subtractor Gearbox
Designer jobosho
Designed 2018
Inventory 87 parts
Theme Technic
Old Trafford

4 COMMENTS

  • 10 months, 2 weeks ago xilanium Level 25 MOC Designer
    Great compact Subtractor Gearbox! Thank you for sharing it.

    p.s. Useful to replace the 2 x 3L input axles and 2 x 4L output axles by 4 x Technic Axle 5.5 With Stop when fiddling with it ;-)
    p.s. Red input = driving, Green input = steering
  • 11 months, 4 weeks ago wnpllrzodiac Level 10
    hello, can you explain the main advantage of this design?
    I mean compare with two motor propel wheel directly(NO gear box needed).
  • 1 year, 7 months ago LegoGlen Level 13 MOC Designer
    Cool gearbox, really compact, I raced down and built it straight away, works really well.
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Help Guide - BI File Types

This MOC also has a 3D digital file available (eg LDD, MPD, etc): 3D Model