How to Make Hydraulic JCB From Cardboard | Inspire Award Science project | diy | howtofunda
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Creating a simple hydraulic JCB (excavator) model using syringes is a fun and educational way to learn about hydraulic systems and mechanical principles.

Here's a step-by-step guide to building your own hydraulic JCB model:

In this video, learn how to make a fully functional Hydraulic JCB using cardboard and syringes! This working model is perfect for science exhibitions, school projects, and fun engineering experiments.



Materials Needed:

Cardboard or thick paper
Syringes (2 large and 2 small)
Flexible plastic tubing (thin, clear tubing works well)
Craft sticks or popsicle sticks
Hot glue gun and glue sticks
Scissors
Pen or marker
Water


Instructions:

Prepare the Base:

Cut out a rectangular piece of cardboard or thick paper to serve as the base of the JCB model.

Build the JCB Arms:

Take two craft sticks and glue them together side by side to create a longer arm. Repeat this step to make the second arm.

Attach the Syringes:

Glue one large syringe to the end of each arm. These will represent the hydraulic cylinders that control the movement of the JCB arms.

Create the Hydraulic System:

Attach a short length of flexible plastic tubing to the end of each large syringe (the part you push to expel the liquid). These will serve as the hydraulic lines.

Assemble the JCB Bucket:

Take two small syringes and glue them together side by side. These will represent the bucket of the JCB.

Attach the Bucket to the Arms:

Glue the open ends of the small syringes to the other end of the JCB arms, creating a hinge-like connection.

Connect the Hydraulic Lines:

Attach the other ends of the flexible plastic tubing from the large syringes to the small syringes on the JCB bucket. This completes the hydraulic system.

Test the Hydraulic JCB:

Fill one large syringe with water and push the plunger to see the hydraulic system in action. As you push the plunger, water will be forced through the tubing into the small syringes, causing the JCB bucket to move up and down.

Through this DIY hydraulic JCB model, you can learn about hydraulic systems, how pressure is transmitted through fluids, and how mechanical devices can be operated using simple principles of fluid dynamics.

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