curved gear LEGO Technic 11x11 Curved Gear Rack | Part 24121

curved gear LEGO Technic 11x11 Curved Gear Rack | Part 24121Engineer Powerful Rotational Systems Unlock new dimensions of mechanical movement with the LEGO Technic 11x11 Curved Gear Rack. This massive ring gear is a testament to sophisticated engineering, designed to create smooth and powerful rotation from a linear or rotational input. By meshing a standard gear against its internal or external teeth, you can build large scale rotating platforms, powerful steering systems, and other complex functions that

Engineer Powerful Rotational Systems

Unlock new dimensions of mechanical movement with the LEGO® Technic 11x11 Curved Gear Rack. This massive ring gear is a testament to sophisticated engineering, designed to create smooth and powerful rotation from a linear or rotational input. By meshing a standard gear against its internal or external teeth, you can build large-scale rotating platforms, powerful steering systems, and other complex functions that require a high-torque, wide-diameter rotational base. It's a cornerstone component for any serious Technic MOC builder.

Applications for Monumental Builds

This gear rack's unique shape and large size make it the go-to solution for a variety of advanced mechanical challenges.

• Heavy-Duty Rotating Turrets: Use it as the core rotational ring for the turrets of large tanks, the superstructure of massive cranes, or any model that needs a robust, 360-degree turning capability.
• Unique Steering Mechanisms: While most steering uses a straight rack, this curved rack can be used to create unconventional and highly specialized steering systems for unique vehicles.
• Large-Scale Gearboxes: Integrate it into custom-built, large-scale gearboxes to act as a massive planetary ring gear, enabling complex and powerful gear reductions.

To construct your next mechanical marvel, combine this gear rack with other parts from our Technic gears collection, and build a sturdy frame using Technic beams and pins and connectors.

Key Specifications

• Part ID: 24121
• Dimensions: 11x11 Studs
• Function: Large Ring Gear / Curved Gear Rack
• Compatibility: Features both internal and external gear teeth for versatile connections.

A Little Piece of Trivia

The 11x11 curved gear rack is a relatively recent innovation in the Technic parts library, first appearing in 2016. It made its spectacular debut in the flagship 42055 Bucket Wheel Excavator set, where four of these racks were used to create the massive, smooth-turning slew ring for the excavator's superstructure. Its introduction provided designers with a new, incredibly robust way to create large-diameter rotating functions, paving the way for even bigger and more ambitious models.

Ready to build on a truly massive scale? Add this powerful curved gear rack to your inventory and start engineering your masterpiece!

LEGO® parts are intended for builders aged 4 and up. They may pose a choking hazard for children under 3 years old.