The Unofficial LEGO Technic Builder's Guide
(A) A power pulley system is perfect for lifting heavy loads.
(B) The travel of this rack-and-pinion steering system is minimized by articulated tie rods.
(C) The scissors lift combines the concepts used in the Sarrus and Scott-Russell linkages for seriously impressive range.
About the Author
Pawel "Sariel" Kmiec is a LEGO Technic enthusiast based in Warsaw, Poland. A prolific blogger and model builder, Sariel's LEGO creations have been featured in many magazines, the world's most popular LEGO blogs, and even prompted the LEGO Group to use his help in developing some of its products. Sariel is a guest blogger for the official LEGO Technic website and is a 2012 LEGO Ambassador for Poland. He is YouTube's most-viewed LEGO Technic builder. Check out his models and more at sariel.pl.