Interesting Crank Lever Mechanism - Part 1
![Interesting Crank Lever Mechanism - Part 1](/content/images/size/w2000/2023/08/image-7-1.png)
This is a simple crank rocker mechanism that originated from a video on Facebook. Let's create it using blocks!
Assembly Steps:
▼ Materials for the imitation millstone section.
![](https://blog.gigotoys.com/content/images/2023/08/image-1.png)
▼ Construct the rotating part imitating a millstone.
![](https://blog.gigotoys.com/content/images/2023/08/image-2.png)
▼ Create the handle part (remember to use a bearing where rotation is needed!).
![](https://blog.gigotoys.com/content/images/2023/08/image-3.png)
▼ Next, assemble the puppet part.
![](https://blog.gigotoys.com/content/images/2023/08/image-4.png)
▼Ha! A rather peculiar-looking figure.
![](https://blog.gigotoys.com/content/images/2023/08/image-5.png)
▼Strike a pose!
![](https://blog.gigotoys.com/content/images/2023/08/image-6.png)
▼Attach the puppet~~90% completion. Once you add the battery compartment, you can give it a test run!
![](https://blog.gigotoys.com/content/images/2023/08/image-7.png)
★ Scientific Principle
![](https://blog.gigotoys.com/content/images/2023/08/image-8.png)
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Linkage: The component that connects the crank and the rocker, enabling the motion between them. It is referred to as a linkage.
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Crank: A linkage with a fixed axis capable of performing a 360-degree rotational motion. It is called a crank.
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Rocker: A linkage with a fixed axis that undergoes a specific angle of oscillating motion. It is referred to as a rocker.
The completed video can be found here!
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