Ugears STEM lab Variator Wooden 3D Model 147138
Ugears STEM lab Variator Wooden 3D Model 147139
Ugears STEM lab Variator Wooden 3D Model 147140
Ugears STEM lab Variator Wooden 3D Model 147141
Ugears STEM lab Variator Wooden 3D Model 147142
Ugears STEM lab Variator Wooden 3D Model 147143
Ugears STEM lab Variator Wooden 3D Model 147144

Ugears STEM lab Variator

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SKU: 4820184121188


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The Variator is a mechanism which adjusts the force of the engine by alternating the gears ratio. Most drivers and car enthusiasts are familiar with CVT (Continuously Variable Transmission). The Ugears Variator STEM lab model embodies this key part of an automobile, so there is no need to get your hands dirty in order to grasp the principle!

In 1879 Milton Othello Reeves, a prominent US businessman, came up with a mechanism for sawmills. Later this transmission got fitted to car engines. Now the CVT is used in a variety of machines requiring a smooth changing of gear ratios. These include cars, motorboats, quad bikes, conveyor belts and many more.

The contents include:

  • Wooden pre-cut ecological plywood parts. No glue or extra tools are required.
  • Easy-to-follow user-friendly color manual.
  • Practical lab problems which you can use this model for.
  • QR-code with which you will download the model pocket study guide. It features the description of its mechanism and its operation, key characteristics, formulas, and engaging practical challenges.
  • QR-code for downloading of the AR-application, an innovative method to discover more exciting things in the world of science
Complete Your Set:

Ugears Automaton Cyclist, UGears Carousel, Ugears STEM lab Curvimeter, UGears STEM LAB Differential

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How Ugears STEM lab Variator Works

The Ugears STEM lab Variator is a completely functional wooden copy of a Belt-driven Friction Cone CVT. The drive ratio is varied by moving the belt or wheel up and down the axis of a conical roller. The belt is powered manually with the help of the reducer. The rotation is then transferred to the cone pulleys. Change the gears with the help of the transmission fork and see how the driven cone pulley speed increases or decreases while the drive cone pulley’s speed stays unchanged. Because of the model’s open design, the whole process is visible in order to satisfy an inquisitive mind!

Ugears STEM lab Variator Video


Dimensions: 8.1 × 7.4 × 2.5 in

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Ugears - NATURAL - Made of woo

Made of wood


Assembling without glue and chemicals


Details are already cut and ready to assemble

Ugears - MECHANICAL - The models produce motion

The models produce motion

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