Youtuber and Lego build master Brick Technology released a video showing the creation of a fully functional five-speed manual transmission with reverse.
It's not only a Lego masterpiece but shows the intricate workings of a manual transmission and even showcases the importance of gear ratios.
The build begins with a more simplistic 2-speed gearbox, driven by an electric motor.
The transmission is then built out even further, as two more gear sets are added.
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In the end, there are a total of 5 speeds that follow a normal manual transmission layout. Once the main bulk of the transmission was complete, Brick Technology made a shifter.
Building the shifter required some trial and error. Reinforcing pieces were added that eventually lead to a very precise and tight transmission.
It was then that the shifter was added to the 5-speed transmission before Brick Technology tried it out. Once in place, there were a few kinks to iron out before it was perfected.
After this was done, Brick Technology worked on adding in the reverse.
Finally, it was hooked up to a Lego dyno. The completed Lego build was run on the dyno shifting between all five gears and reverse while at full speed.