Ever wondered how the Gardan Gear mechanism works, what the function is and how to fine tune it? With our GBC 20 Mining Lift you can explore this great Rotation to Linear movement mechanism yourself! Saif Choudhury from the USA did an amazing job and created this nice video of it!
Inspired? Get the building instructions and start engineering today: https://pv-productions.com/product/lego-gbc-20-42049-building-instructions/
See also our GBC C Model Building Instructions & other products: https://pv-productions.com/product-category/lego/